Ensemble: Minor indent fix.

.gitlab-ci.yml

@@ -638,7 +638,7 @@ shadow-release:
     - job: pkg-hash
       artifacts: true
   rules:
-    - if: $CI_COMMIT_BRANCH != 'master' && $CI_COMMIT_TAG
+    - if: $CI_COMMIT_TAG && $CI_COMMIT_TAG !~ /^v/
   artifacts:
     paths:
       - linux/pamhyr-gnulinux.tar.xz
@@ -672,7 +672,7 @@ tag-release:
     - job: pkg-hash
       artifacts: true
   rules:
-    - if: $CI_COMMIT_BRANCH == 'master' && $CI_COMMIT_TAG
+    - if: $CI_COMMIT_TAG =~ /^v/
   artifacts:
     paths:
       - linux/pamhyr-gnulinux.tar.xz

AUTHORS

@@ -1,4 +1,4 @@
 Sylvain COULIBALY, INRAE, 2020 - 2022
 Théophile TERRAZ, INRAE, 2022 - 2024
-Pierre-Antoine ROUBY, INRAE, 2023 - 2025
+Pierre-Antoine ROUBY, INRAE, 2023 - 2026
 Dylan JEANNIN, INRAE, 2026

doc/dev/documentation.org

@@ -1069,6 +1069,12 @@ gitlab-ci.
   sudo python3 -m pip install pyinstaller
 #+end_src
 
+In addition, you must install Glab[fn:glab] to allow the runner to
+proceed with the publication.
+
+[fn:glab] The Gitlab cli releases page:
+https://gitlab.com/gitlab-org/cli/-/releases
+
 *** Windows (Wine) {{{windows}}}
 
 The ci-runner environment for Wine need at least wine version 8, let

manifest.scm

@@ -20,4 +20,4 @@
        "python-pyqtgraph" "python-qscintilla"
        "python-numpy@1" "python-shapely" "python-pyshp"
        "python-matplotlib" "python-colorama"
-       "python-rasterio"))
+       "python-rasterio" "python-psutil"))

requirements.txt

@@ -4,7 +4,7 @@ PyQt5-sip==12.18.0
 #PyQtWebEngine==5.15.6
 QScintilla>=2.14.1
 pyqtgraph>=0.12.1
-matplotlib==3.8.3
+matplotlib==3.10.8
 numpy>=1.24.2
 colorama>=0.4.3
 pyinstaller>=5.11.0
@@ -14,4 +14,4 @@ platformdirs>=4.2.0
 pyshp>=2.3.1
 rasterio==1.3.11
 #fortranformat==2.0.3
-
+psutil>=7.2.2

src/Checker/Adists.py

@@ -1,5 +1,5 @@
 # Adists.py -- Pamhyr study checkers
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Checker/Checker.py

@@ -1,5 +1,5 @@
 # Checker.py -- Pamhyr abstract checker class
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Checker/Mage.py

@@ -1,5 +1,5 @@
 # Mage.py -- Pamhyr MAGE checkers
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Checker/Study.py

@@ -1,5 +1,5 @@
 # Study.py -- Pamhyr study checkers
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Meshing/AMeshingTool.py

@@ -1,5 +1,5 @@
 # AMeshingTool.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Meshing/Internal.py

@@ -1,5 +1,5 @@
 # Internal.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -166,7 +166,6 @@ class InternalMeshing(AMeshingTool):
         for i in range(len1):
             ltot1 += sect1.point(start1+i).dist(sect1.point(start1+i+1))
             alpha.append(ltot1)
-        alpha = list(map(lambda x: x/ltot1, alpha))  # target ratios
         for i in range(len2):
             ltot2 += sect2.point(start2+i).dist(sect2.point(start2+i+1))
             beta.append(ltot2)
@@ -181,6 +180,7 @@ class InternalMeshing(AMeshingTool):
             sect2.add_npoints(len1-len2)
             len2 = len1
         else:  # regular case
+            alpha = list(map(lambda x: x/ltot1, alpha))  # target ratios
             beta = list(map(lambda x: x/ltot2, beta))  # current ratios
             for i in range(len1 - len2):
                 beta.append(1.0)

src/Meshing/Mage.py

@@ -1,5 +1,5 @@
 # Mage.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Meshing/__init__.py

@@ -1,5 +1,5 @@
 # __init__.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Meshing/test_Meshing.py

@@ -1,5 +1,5 @@
 # test_Model.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/BoundaryCondition/BoundaryCondition.py

@@ -1,5 +1,5 @@
 # BoundaryCondition.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -514,42 +514,6 @@ class BoundaryCondition(SQLSubModel):
         self._sigma = float(value)
         self.modified()
 
-    @property
-    def d50(self):
-        return self._d50
-
-    @d50.setter
-    def d50(self, value):
-        self._d50 = float(value)
-        self.modified()
-
-    @property
-    def sigma(self):
-        return self._sigma
-
-    @sigma.setter
-    def sigma(self, value):
-        self._sigma = float(value)
-        self.modified()
-
-    @property
-    def d50(self):
-        return self._d50
-
-    @d50.setter
-    def d50(self, value):
-        self._d50 = float(value)
-        self.modified()
-
-    @property
-    def sigma(self):
-        return self._sigma
-
-    @sigma.setter
-    def sigma(self, value):
-        self._sigma = float(value)
-        self.modified()
-
     @property
     def header(self):
         return self._header.copy()

src/Model/BoundaryCondition/BoundaryConditionList.py

@@ -1,5 +1,5 @@
 # BoundaryConditionList.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/BoundaryCondition/BoundaryConditionTypes.py

@@ -1,5 +1,5 @@
 # BoundaryConditionTypes.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/BoundaryConditionsAdisTS/BoundaryConditionAdisTS.py

@@ -1,5 +1,5 @@
 # BoundaryConditionsAdisTS.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/BoundaryConditionsAdisTS/BoundaryConditionsAdisTSList.py

@@ -1,5 +1,5 @@
 # BoundaryConditionsAdisTSList.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/D90AdisTS/D90AdisTS.py

@@ -1,5 +1,5 @@
 # D90AdisTS.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/D90AdisTS/D90AdisTSList.py

@@ -1,5 +1,5 @@
 # D90AdisTSList.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/D90AdisTS/D90AdisTSSpec.py

@@ -1,5 +1,5 @@
 # D90AdisTSSpec.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/DIFAdisTS/DIFAdisTS.py

@@ -1,5 +1,5 @@
 # DIFAdisTS.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/DIFAdisTS/DIFAdisTSList.py

@@ -1,5 +1,5 @@
 # DIFAdisTSList.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/DIFAdisTS/DIFAdisTSSpec.py

@@ -1,5 +1,5 @@
 # DIFAdisTSSpec.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Ensembles/Distribution.py

@@ -0,0 +1,241 @@
+# Distribution.py -- Pamhyr
+# Copyright (C) 2026  INRAE
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# -*- coding: utf-8 -*-
+
+import struct
+import logging
+import itertools
+import numpy as np
+
+from tools import logger_exception
+
+from Model.Except import NotImplementedMethodeError
+from Model.Tools.PamhyrDB import SQLSubModel
+from Model.Scenario import Scenario
+
+logger = logging.getLogger()
+
+
+class Distribution(SQLSubModel):
+    _sub_classes = []
+
+    def __init__(self, id: int = -1,
+                 name: str = "", script: str = "",
+                 status=None):
+        super(Distribution, self).__init__(
+            id=id, status=status,
+            owner_scenario=0
+        )
+
+        self._name = name
+        self._type = "generic"
+        self._script = script
+        self._labels = []
+        self._default_values = []
+
+    @property
+    def name(self):
+        return self._name
+
+    @property
+    def labels(self):
+        return self._labels
+
+    @property
+    def default_values(self):
+        return self._default_values
+
+    @classmethod
+    def _db_create(cls, execute, ext=""):
+        execute(f"""
+          CREATE TABLE ensemble_distribution{ext} (
+            {cls.create_db_add_pamhyr_id()},
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            name TEXT NOT NULL,
+            script TEXT NOT NULL,
+            PRIMARY KEY(pamhyr_id)
+          )
+        """)
+
+        if ext == "_tmp":
+            return True
+
+        return cls._create_submodel(execute)
+
+    @classmethod
+    def _db_update(cls, execute, version, data=None):
+        major, minor, release = version.strip().split(".")
+        if major == "0" and int(minor) < 2:
+            cls._db_create(execute)
+        elif major == "0" and int(minor) == 2:
+            if int(release) < 8:
+                cls._db_create(execute)
+
+        return cls._update_submodel(execute, version, data)
+
+    @classmethod
+    def _db_load(cls, execute, data=None):
+        new = []
+        scenario = data["scenario"]
+        loaded = data['loaded_pid']
+
+        table = execute(
+            "SELECT pamhyr_id, deleted, name, script " +
+            "FROM ensemble_distribution " +
+            f"WHERE pamhyr_id NOT IN ({', '.join(map(str, loaded))})"
+        )
+
+        for row in table:
+            it = iter(row)
+
+            id = next(it)
+            deleted = (next(it) == 1)
+            name = next(it)
+            script = next(it)
+
+            new_distribution = cls(
+                id, name=name, script=script,
+                status=data["status"]
+            )
+            if deleted:
+                new_distribution.set_as_deleted()
+
+            loaded.add(id)
+            new.append(new_distribution)
+
+        return new
+
+    def _db_save(self, execute, data=None):
+        # Only save custom distribution
+        if self._type != "custom":
+            return True
+
+        if not self.must_be_saved():
+            return True
+
+        execute(
+            "INSERT INTO " +
+            "ensemble_distribution(pamhyr_id, deleted, " +
+            "  name, script) " +
+            "VALUES (?, ?, ?, ?)",
+            self.pamhyr_id, self.is_deleted(),
+            self._name, self._script
+        )
+
+        return True
+
+    def _data_traversal(self,
+                        predicate=lambda obj, data: True,
+                        modifier=lambda obj, data: None,
+                        data={}):
+        if predicate(self, data):
+            modifier(self, data)
+
+    def random(self, r):
+        raise NotImplementedMethodeError(cls, cls._load)
+
+
+###########################
+# DISTRIBUTION IMPLEMENTATION #
+###########################
+
+class Uniform(Distribution):
+    _sub_classes = []
+
+    def __init__(self, id: int = -1,
+                 name: str = "uniform", script: str = "",
+                 status=None):
+        super(Uniform, self).__init__(
+            id=id, status=status,
+            name=name, script=script
+        )
+
+        self._labels = ["low", "high"]
+        self._default_values = [20.0, 40.0]
+
+    def random(self, params, nb):
+        lst = params.copy()
+        lst.append(nb)
+
+        return np.random.uniform(*lst)
+
+
+class Normal(Distribution):
+    _sub_classes = []
+
+    def __init__(self, id: int = -1,
+                 name: str = "normal", script: str = "",
+                 status=None):
+        super(Normal, self).__init__(
+            id=id, status=status,
+            name=name, script=script
+        )
+
+        self._labels = ["loc", "scale"]
+        self._default_values = [30.0, 5.0]
+
+    def random(self, params, nb):
+        lst = params.copy()
+        lst.append(nb)
+
+        return np.random.normal(*lst)
+
+
+class Poisson(Distribution):
+    _sub_classes = []
+
+    def __init__(self, id: int = -1,
+                 name: str = "poisson", script: str = "",
+                 status=None):
+        super(Poisson, self).__init__(
+            id=id, status=status,
+            name=name, script=script
+        )
+
+        self._labels = ["lam"]
+        self._default_values = [5.0]
+
+    def random(self, params, nb):
+        lst = params.copy()
+        lst.append(nb)
+
+        return np.random.poisson(*lst)
+
+
+class Custom(Distribution):
+    _sub_classes = []
+
+    def __init__(self, id: int = -1,
+                 name: str = "", script: str = "",
+                 status=None):
+        super(Custom, self).__init__(
+            id=id, status=status,
+            name=name, script=script
+        )
+
+        self._labels = ["custom"]
+        self._type = "custom"
+        self._default_values = ""
+
+    def random(self, params, nb):
+        try:
+            # Run script to (re)define the sample distribution
+            f = eval(self._script)
+            return f(params, nb)
+        except Exception as e:
+            logger_exception(e)
+            return None         # TODO: Raise helpful exception

src/Model/Ensembles/DistributionList.py

@@ -0,0 +1,60 @@
+# DistributionList.py -- Pamhyr
+# Copyright (C) 2026  INRAE
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# -*- coding: utf-8 -*-
+
+from tools import trace, timer
+
+from Model.Tools.PamhyrListExt import PamhyrModelList
+from Model.Ensembles.Distribution import *
+
+
+class DistributionList(PamhyrModelList):
+    _sub_classes = [Distribution]
+
+    @classmethod
+    def _db_load(cls, execute, data=None):
+        new = cls(status=data['status'])
+
+        # Default distributions
+        new._lst = [
+            Uniform(status=data['status']),
+            Normal(status=data['status']),
+            Poisson(status=data['status']),
+        ]
+
+        # DB custom distributions
+        new._lst += Distribution._db_load(
+            execute, data
+        )
+
+        return new
+
+    def _db_save(self, execute, data={}):
+        execute(
+            "DELETE FROM ensemble_distribution"
+        )
+
+        for fun in self._lst:
+            fun._db_save(execute, data)
+
+        return True
+
+    def new(self, index):
+        r = Custom(status=self._status)
+        self._lst.insert(index, r)
+        self._status.modified()
+        return r

src/Model/Ensembles/Ensemble.py

@@ -0,0 +1,279 @@
+# Ensemble.py -- Pamhyr
+# Copyright (C) 2026  INRAE
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# -*- coding: utf-8 -*-
+
+import struct
+import logging
+import itertools
+
+import numpy as np
+
+from Model.Tools.PamhyrDB import SQLSubModel
+from Model.Scenario import Scenario
+from Model.Ensembles.Distribution import Uniform
+
+logger = logging.getLogger()
+
+
+class Ensemble(SQLSubModel):
+    _sub_classes = []
+
+    def __init__(self, id: int = -1, name: str = "",
+                 distribution=None, params=[0., 100.],
+                 data_type=None, target_data=None,
+                 status=None, owner_scenario=-1):
+        super(Ensemble, self).__init__(
+            id=id, status=status,
+            owner_scenario=owner_scenario
+        )
+
+        self._name = name
+        self._data_type = data_type
+        self._distribution = distribution
+        self._params = params
+        self._target_data = target_data
+
+    @classmethod
+    def _db_create(cls, execute, ext=""):
+        execute(f"""
+          CREATE TABLE ensemble{ext} (
+            {cls.create_db_add_pamhyr_id()},
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            name TEXT NOT NULL,
+            type VARCHAR(8) NOT NULL,
+            distribution INTEGER NOT NULL,
+            distribution_name VARCHAR(32) NOT NULL,
+            params BLOB NOT NULL,
+            params_len INTEGER NOT NULL,
+            data_pid INTEGER NOT NULL,
+            {Scenario.create_db_add_scenario()},
+            {Scenario.create_db_add_scenario_fk()},
+            PRIMARY KEY(pamhyr_id, scenario)
+          )
+        """)
+
+        if ext == "_tmp":
+            return True
+
+        return cls._create_submodel(execute)
+
+    @classmethod
+    def _db_update(cls, execute, version, data=None):
+        major, minor, release = version.strip().split(".")
+        if major == "0" and int(minor) < 2:
+            cls._db_create(execute)
+        elif major == "0" and int(minor) == 2:
+            if int(release) < 8:
+                cls._db_create(execute)
+
+        return cls._update_submodel(execute, version, data)
+
+    @classmethod
+    def _db_load(cls, execute, data=None):
+        new = []
+        scenario = data["scenario"]
+        distributions = data["ens_distributions"]
+        stricklers = data["stricklers"]
+        loaded = data['loaded_pid']
+
+        table = execute(
+            "SELECT pamhyr_id, deleted, name, type, " +
+            "distribution, distribution_name, params, params_len, data_pid, " +
+            "scenario " +
+            "FROM ensemble " +
+            f"WHERE scenario = {scenario.id} " +
+            f"AND pamhyr_id NOT IN ({', '.join(map(str, loaded))})"
+        )
+
+        for row in table:
+            it = iter(row)
+
+            id = next(it)
+            deleted = (next(it) == 1)
+            name = next(it)
+            data_type = next(it)
+            fid = next(it)
+            fname = next(it)
+            params = next(it)
+            params_len = next(it)
+            data_pid = next(it)
+            owner_scenario = next(it)
+
+            def fn(f): return f._name == fname
+            if fid != -1:
+                def fn(f): return f._pamhyr_id == fid
+
+            distribution = next(
+                filter(fn, distributions.lst),
+                None
+            )
+
+            target_data = next(
+                filter(
+                    lambda s: s._pamhyr_id == data_pid,
+                    stricklers.lst
+                ),
+                None
+            )
+
+            rdata = list(cls._decode_params(params, params_len))
+
+            new_ensemble = cls(
+                id, name=name,
+                distribution=distribution,
+                params=rdata,
+                data_type=data_type,
+                target_data=target_data,
+                status=data["status"],
+                owner_scenario=owner_scenario
+            )
+            if deleted:
+                new_ensemble.set_as_deleted()
+
+            loaded.add(id)
+            new.append(new_ensemble)
+
+        return new
+
+    def _db_save(self, execute, data=None):
+        if not self.must_be_saved():
+            return True
+
+        execute(
+            "DELETE FROM ensemble " +
+            f"WHERE pamhyr_id = {self.pamhyr_id} " +
+            f"AND scenario = {self._status.scenario_id}"
+        )
+
+        bparams, length = self._encode_params()
+
+        if self._distribution is None:
+            fid = -1
+            fname = "NULL"
+        else:
+            fid = self._distribution._pamhyr_id
+            fname = self._distribution._name
+
+            if self._distribution._type == "generic":
+                fid = -1
+
+        data_pid = -1
+        if self._target_data is not None:
+            data_pid = self._target_data._pamhyr_id
+
+        execute(
+            "INSERT INTO " +
+            "ensemble(pamhyr_id, deleted, name, type, " +
+            "  distribution, distribution_name, params, params_len, " +
+            "  data_pid, scenario) " +
+            "VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
+            self.pamhyr_id, self.is_deleted(),
+            self._name, self._data_type,
+            fid, fname, bparams, length,
+            data_pid, self._status.scenario_id
+        )
+
+        return True
+
+    def _encode_params(self):
+        length = len(self._params)
+        data_format = ">" + ''.join(itertools.repeat("d", length))
+
+        return struct.pack(data_format, *self._params), length
+
+    @classmethod
+    def _decode_params(cls, bparams, length):
+        data_format = ">" + ''.join(itertools.repeat("d", length))
+
+        return struct.unpack(data_format, bparams)
+
+    def random(self, nb):
+        return np.nditer(
+            self._distribution.random(
+                self._params, nb
+            )
+        )
+
+    @property
+    def name(self):
+        return self._name
+
+    @name.setter
+    def name(self, name):
+        self._name = name
+        self._status.modified()
+
+    @property
+    def distribution(self):
+        return self._distribution
+
+    @distribution.setter
+    def distribution(self, distribution):
+        self._distribution = distribution
+        self._status.modified()
+
+    @property
+    def params(self):
+        return self._params
+
+    @params.setter
+    def params(self, params):
+        self._params = params
+        self._status.modified()
+
+    @property
+    def data_type(self):
+        return self._data_type
+
+    @data_type.setter
+    def data_type(self, data_type):
+        self._data_type = data_type
+        self._status.modified()
+
+    @property
+    def target_data(self):
+        return self._target_data
+
+    @target_data.setter
+    def target_data(self, target_data):
+        self._target_data = target_data
+        self._status.modified()
+
+    def get_data_dict(self, use_ids=False):
+        target_data = self.target_data
+        distribution = self.distribution
+
+        if use_ids:
+            if self.target_data:
+                target_data = self.target_data.pamhyr_id
+            if self.distribution:
+                distribution = self.distribution.name
+
+        return {
+            "name": self.name,
+            "data_type": self.data_type,
+            "target_data": target_data,
+            "distribution": distribution,
+            "params": self.params,
+        }
+
+    def set_data_dict(self, data):
+        self.name = data["name"]
+        self.data_type = data["data_type"]
+        self.target_data = data["target_data"]
+        self.distribution = data["distribution"]
+        self.params = data["params"]

src/Model/Ensembles/EnsembleList.py

@@ -0,0 +1,62 @@
+# EnsembleList.py -- Pamhyr
+# Copyright (C) 2026  INRAE
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# -*- coding: utf-8 -*-
+
+from tools import trace, timer
+
+from Model.Tools.PamhyrListExt import PamhyrModelList
+from Model.Ensembles.Ensemble import Ensemble
+
+
+class EnsembleList(PamhyrModelList):
+    _sub_classes = [Ensemble]
+
+    @classmethod
+    def _db_load(cls, execute, data=None):
+        new = cls(status=data['status'])
+
+        new._lst = Ensemble._db_load(
+            execute, data
+        )
+
+        return new
+
+    def _db_save(self, execute, data=None):
+        execute(
+            "DELETE FROM ensemble " +
+            f"WHERE scenario = {self._status.scenario_id}"
+        )
+
+        for ens in self._lst:
+            ens._db_save(execute, data=data)
+
+        return True
+
+    def new(self, index):
+        r = Ensemble(status=self._status)
+        self._lst.insert(index, r)
+        self._status.modified()
+        return r
+
+    def new_with_data(self, index, data):
+        r = Ensemble(status=self._status)
+
+        r.set_data_dict(data)
+
+        self._lst.insert(index, r)
+        self._status.modified()
+        return r

src/Model/Except.py

@@ -1,5 +1,5 @@
 # Except.py -- Pamhyr model exceptions
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Friction/Friction.py

@@ -1,5 +1,5 @@
 # Friction.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Friction/FrictionList.py

@@ -1,5 +1,5 @@
 # FrictionList.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Geometry/Point.py

@@ -1,5 +1,5 @@
 # Point.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Geometry/PointXY.py

@@ -1,5 +1,5 @@
 # PointXY.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Geometry/PointXYZ.py

@@ -1,5 +1,5 @@
 # PointXYZ.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -95,10 +95,9 @@ class PointXYZ(Point):
                     "ADD COLUMN deleted BOOLEAN NOT NULL DEFAULT FALSE"
                 )
 
-        if major == "0" and minor == "2":
-            if int(release) < 5:
+        # Try to create index at each update
         execute(
-                    "CREATE INDEX idx_point " +
+            "CREATE INDEX IF NOT EXISTS idx_point " +
             "ON geometry_pointXYZ(profile, scenario);"
         )
 

src/Model/Geometry/Profile.py

@@ -1,5 +1,5 @@
 # Profile.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Geometry/ProfileXYZ.py

@@ -1,5 +1,5 @@
 # ProfileXYZ.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -91,6 +91,9 @@ class ProfileXYZ(Profile, SQLSubModel):
         self._station = []
         self.station_up_to_date = False
 
+        self._get_water_limits_cache = {}
+        self._get_water_limits_ac_cache = {}
+
     @classmethod
     def _db_create(cls, execute, ext=""):
         execute(f"""
@@ -619,6 +622,7 @@ class ProfileXYZ(Profile, SQLSubModel):
         """
         return [x for x in lst if not np.isnan(x)]
 
+    @timer
     def speed(self, q, z):
         area = self.wet_area(z)
 
@@ -670,6 +674,7 @@ class ProfileXYZ(Profile, SQLSubModel):
             length += line.length
         return length
 
+    @timer
     def compute_wet_area(self, z):
         area = 0.0
         if len(self.tab.L) > 0:
@@ -710,6 +715,7 @@ class ProfileXYZ(Profile, SQLSubModel):
                 if len(line.coords) > 2:
                     poly = geometry.Polygon(line)
                     area += poly.area
+
         return area
 
     def wet_radius(self, z):
@@ -732,6 +738,7 @@ class ProfileXYZ(Profile, SQLSubModel):
         line = geometry.LineString(list(zip(station, zz)))
         return line
 
+    @timer
     def wet_lines(self, z):
         points = self._points
         if len(points) < 3:
@@ -808,7 +815,6 @@ class ProfileXYZ(Profile, SQLSubModel):
         return points
 
     def get_nb_wet_areas(self, z):
-
         n_zones = 0
         points = self._points
         if points[0].z <= z:
@@ -820,10 +826,20 @@ class ProfileXYZ(Profile, SQLSubModel):
 
         return n_zones
 
+    def froude(self, z, v):
+        return v / np.sqrt(
+            9.81 * (
+                self.wet_area(z) / self.wet_width(z)
+            )
+        )
+
+    @timer
     def get_all_water_limits_ac(self, z):
         """
         Determine all water limits for z elevation.
         """
+        if z in self._get_water_limits_ac_cache:
+            return self._get_water_limits_ac_cache[z]
 
         points = self._points
         if len(points) < 3:
@@ -856,69 +872,94 @@ class ProfileXYZ(Profile, SQLSubModel):
             logger.error(f"ERROR in get_all_water_limits_ac")
             return [], []
 
-        return start, list(reversed(end))
+        res = start, list(reversed(end))
+        self._get_water_limits_ac_cache[z] = res
 
+        return res
+
+    @timer
     def get_water_limits(self, z):
+        if z in self._get_water_limits_cache:
+            return self._get_water_limits_cache[z]
+
+        v = self.get_water_limits_compute(z)
+
+        return v
+
+    def get_water_limits_compute(self, z):
         """
         Determine left and right limits of water elevation.
         """
-
         # Get the index of first point with elevation lesser than water
         # elevation (for the right and left river side)
-        i_left = -1
-        i_right = -1
+        i_left = next(
+            filter(
+                lambda i: self.point(i).z <= z,
+                range(self.number_points)
+            ),
+            -1
+        )
 
-        for i in range(self.number_points):
-            if self.point(i).z <= z:
-                i_left = i
-                break
-
-        for i in reversed(range(self.number_points)):
-            if self.point(i).z <= z:
-                i_right = i
-                break
+        i_right = next(
+            filter(
+                lambda i: self.point(i).z <= z,
+                reversed(range(self.number_points))
+            ),
+            -1
+        )
 
         # Interpolate points at river left side
         if (i_left > 0):
-            if abs(self.point(i_left - 1).z - self.point(i_left).z) < 1e-20:
-                pt_left = self.point(i_left)
+            pi = self.point(i_left)
+            pim1 = self.point(i_left - 1)
+
+            if abs(pim1.z - pi.z) < 1e-20:
+                pt_left = pi
             else:
-                fact = (z - self.point(i_left).z) / \
-                    (self.point(i_left - 1).z - self.point(i_left).z)
-                x = self.point(i_left).x + fact * \
-                    (self.point(i_left - 1).x - self.point(i_left).x)
-                y = self.point(i_left).y + fact * \
-                    (self.point(i_left - 1).y - self.point(i_left).y)
+                fact = (z - pi.z) / (pim1.z - pi.z)
+                x = pi.x + fact * (pim1.x - pi.x)
+                y = pi.y + fact * (pim1.y - pi.y)
                 pt_left = PointXYZ(x=x, y=y, z=z, name="wl_left")
         else:
             pt_left = self.point(0)
 
         # Interpolate points at river right side
         if (i_right < self.number_points - 1):
-            if abs(self.point(i_right + 1).z - self.point(i_right).z) < 1e-20:
-                pt_right = self.point(i_right)
+            pi = self.point(i_right)
+            pip1 = self.point(i_right + 1)
+
+            if abs(pip1.z - pi.z) < 1e-20:
+                pt_right = pi
             else:
-                fact = (z - self.point(i_right).z) / \
-                    (self.point(i_right + 1).z - self.point(i_right).z)
-                x = self.point(i_right).x + fact * \
-                    (self.point(i_right + 1).x - self.point(i_right).x)
-                y = self.point(i_right).y + fact * \
-                    (self.point(i_right + 1).y - self.point(i_right).y)
+                fact = (z - pi.z) / (pip1.z - pi.z)
+                x = pi.x + fact * (pip1.x - pi.x)
+                y = pi.y + fact * (pip1.y - pi.y)
                 pt_right = PointXYZ(x=x, y=y, z=z, name="wl_right")
         else:
             pt_right = self.point(self.number_points - 1)
 
-        return pt_left, pt_right
+        v = (pt_left, pt_right)
 
+        # Put results in cache
+        self._get_water_limits_cache[z] = v
+
+        # Create a generator to improve results data reading speed
+        yield v
+
+    @timer
     def compute_tabulation(self):
         sorted_points = sorted(self._points, key=lambda p: p.z)
+
         self.tab.z = np.array([p.z for p in sorted_points], np.float64)
         self.tab.L = np.zeros(len(self.tab.z), np.float64)
         self.tab.A = np.zeros(len(self.tab.z), np.float64)
+
         for i in range(1, len(self.tab.z)):
             self.tab.L[i] = self.compute_wet_width(self.tab.z[i])
+
             dx = (self.tab.L[i] + self.tab.L[i-1])/2
             dz = self.tab.z[i] - self.tab.z[i-1]
+
             self.tab.A[i] = self.tab.A[i-1] + dz * dx
 
         self.tab_up_to_date = True

src/Model/Geometry/Reach.py

@@ -1,5 +1,5 @@
 # Reach.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Geometry/Vector_1d.py

@@ -1,5 +1,5 @@
 # Vector_1d.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/HydraulicStructures/Basic/HydraulicStructures.py

@@ -1,5 +1,5 @@
 # HydraulicStructures.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/HydraulicStructures/Basic/Types.py

@@ -1,5 +1,5 @@
 # Types.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/HydraulicStructures/Basic/Value.py

@@ -1,5 +1,5 @@
 # Value.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/HydraulicStructures/HydraulicStructures.py

@@ -1,5 +1,5 @@
 # HydraulicStructures.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/HydraulicStructures/HydraulicStructuresList.py

@@ -1,5 +1,5 @@
 # HydraulicStructuresList.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/InitialConditions/InitialConditions.py

@@ -1,5 +1,5 @@
 # InitialConditions.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/InitialConditions/InitialConditionsDict.py

@@ -1,5 +1,5 @@
 # InitialConditionsDict.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/InitialConditionsAdisTS/InitialConditionsAdisTS.py

@@ -1,5 +1,5 @@
 # InitialConditionsAdisTS.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/InitialConditionsAdisTS/InitialConditionsAdisTSList.py

@@ -1,5 +1,5 @@
 # InitialConditionsAdisTSList.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/InitialConditionsAdisTS/InitialConditionsAdisTSSpec.py

@@ -1,5 +1,5 @@
 # InitialConditionsAdisTSSpec.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/LateralContribution/LateralContribution.py

@@ -1,5 +1,5 @@
 # LateralContribution.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/LateralContribution/LateralContributionList.py

@@ -1,5 +1,5 @@
 # LateralContributionList.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/LateralContribution/LateralContributionTypes.py

@@ -1,5 +1,5 @@
 # LateralContributionTypes.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/LateralContributionsAdisTS/LateralContributionAdisTS.py

@@ -1,5 +1,5 @@
 # LateralContributionAdisTS.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/LateralContributionsAdisTS/LateralContributionsAdisTSList.py

@@ -1,5 +1,5 @@
 # LateralContributionsAdisTSList.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Network/Edge.py

@@ -1,5 +1,5 @@
 # Edge.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Network/Graph.py

@@ -1,5 +1,5 @@
 # Graph.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Network/Node.py

@@ -1,5 +1,5 @@
 # Node.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Network/Point.py

@@ -1,5 +1,5 @@
 # Point.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Network/__init__.py

@@ -1,5 +1,5 @@
 # __init__.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Network/test_network.py

@@ -1,5 +1,5 @@
 # test_Network.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/OutputRKAdists/OutputRKAdists.py

@@ -1,5 +1,5 @@
 # OutputRKAdists.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Pollutants/Pollutants.py

@@ -1,5 +1,5 @@
 # Pollutants.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -350,6 +350,7 @@ class Pollutants(SQLSubModel):
           CREATE TABLE pollutants{ext}(
             {cls.create_db_add_pamhyr_id()},
             deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            enabled BOOLEAN NOT NULL DEFAULT TRUE,
             name TEXT NOT NULL,
             {Scenario.create_db_add_scenario()},
             {Scenario.create_db_add_scenario_fk()}
@@ -373,6 +374,14 @@ class Pollutants(SQLSubModel):
                 cls._db_create(execute)
                 created = True
 
+        if major == "0" and minor == "2":
+            if int(release) < 6:
+                execute(f"ALTER TABLE pollutants " +
+                        f"ADD COLUMN enabled BOOLEAN NOT NULL DEFAULT TRUE")
+
+                # cls._db_update_to_0_2_5(execute, data)
+                # # created = True
+
         if not created:
             return cls._update_submodel(execute, version, data)
 
@@ -410,7 +419,8 @@ class Pollutants(SQLSubModel):
             return new
 
         table = execute(
-            "SELECT pamhyr_id, deleted, name, scenario FROM pollutants " +
+            "SELECT pamhyr_id, deleted, enabled, name, scenario " +
+            "FROM pollutants " +
             f"WHERE scenario = {scenario.id} " +
             f"AND pamhyr_id NOT IN ({', '.join(map(str, loaded))})"
         )
@@ -421,6 +431,7 @@ class Pollutants(SQLSubModel):
 
                 pid = next(it)
                 deleted = (next(it) == 1)
+                enabled = (next(it) == 1)
                 name = next(it)
                 owner_scenario = next(it)
 
@@ -431,6 +442,8 @@ class Pollutants(SQLSubModel):
                 )
                 if deleted:
                     new_pollutant.set_as_deleted()
+                if not enabled:
+                    new_pollutant.enabled = False
 
                 data["pollutant"] = new_pollutant
                 new_pollutant._data = PollutantCharacteristics._db_load(
@@ -472,9 +485,10 @@ class Pollutants(SQLSubModel):
 
         execute(
             "INSERT INTO " +
-            "pollutants(pamhyr_id, deleted, name, scenario) " +
+            "pollutants(pamhyr_id, deleted, enabled, name, scenario) " +
             "VALUES (" +
             f"{self.id}, {self._db_format(self.is_deleted())}, " +
+            f"{self._db_format(self._enabled)}, " +
             f"'{self._db_format(self._name)}', " +
             f"{self._status.scenario_id}" +
             ")"

src/Model/Reservoir/Reservoir.py

@@ -1,5 +1,5 @@
 # Reservoir.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Reservoir/ReservoirList.py

@@ -1,5 +1,5 @@
 # ReservoirList.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Results/Results.py

@@ -1,5 +1,5 @@
 # Results.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -22,6 +22,8 @@ import numpy as np
 from copy import deepcopy
 from datetime import datetime
 
+from tools import timer
+
 from Model.Scenario import Scenario
 from Model.Tools.PamhyrDB import SQLSubModel
 from Model.Results.River.River import River
@@ -155,11 +157,188 @@ class AdditionalData(SQLSubModel):
         return True
 
 
+class TableData(SQLSubModel):
+    _sub_classes = []
+
+    def __init__(self, id=-1, study=None,
+                 legend="", data=None,
+                 owner_scenario=-1):
+        super(TableData, self).__init__(
+            id=id, status=study.status,
+            owner_scenario=owner_scenario
+        )
+
+        self._study = study
+        self._legend = legend
+        self._data = data
+
+    @property
+    def data(self):
+        return self._data
+
+    @classmethod
+    def _db_create(cls, execute, ext=""):
+        execute(f"""
+          CREATE TABLE results_table_data{ext} (
+            {cls.create_db_add_pamhyr_id()},
+            result INTEGER NOT NULL,
+            legend TEXT NOT NULL,
+            unit TEXT NOT NULL,
+            data_shape_x INTEGER NOT NULL,
+            data_shape_y INTEGER NOT NULL,
+            data_shape_z INTEGER DEFAULT -1,
+            data BLOB NOT NULL,
+            {Scenario.create_db_add_scenario()},
+            {Scenario.create_db_add_scenario_fk()},
+            FOREIGN KEY(result) REFERENCES results(pamhyr_id),
+            PRIMARY KEY(pamhyr_id, result, legend, scenario)
+          )
+        """)
+
+        if ext != "":
+            return True
+
+        return cls._create_submodel(execute)
+
+    @classmethod
+    def _db_update(cls, execute, version, data=None):
+        major, minor, release = version.strip().split(".")
+        create = False
+
+        if major == "0" and int(minor) == 2:
+            if int(release) < 7 and not create:
+                cls._db_create(execute)
+                create = True
+
+        return cls._update_submodel(execute, version, data)
+
+    @classmethod
+    def _db_load(cls, execute, data=None):
+        res = {}
+
+        study = data['study']
+        status = data['status']
+        scenario = data["scenario"]
+        result = data["result"]
+        rid = data["result_pid"]
+
+        table = execute(
+            "SELECT pamhyr_id, " +
+            "legend, unit, " +
+            "data_shape_x, data_shape_y, data_shape_z, " +
+            "data, " +
+            "scenario " +
+            "FROM results_table_data " +
+            f"WHERE scenario = {scenario.id} " +
+            f"AND result = {rid}"
+        )
+
+        for v in table:
+            it = iter(v)
+
+            pid = next(it)
+            legend = next(it)
+            unit = next(it)
+            data_shape_x = next(it)
+            data_shape_y = next(it)
+            data_shape_z = next(it)
+            data = next(it)
+            owner_scenario = next(it)
+
+            dtype = cls._unit_to_dtype(unit)
+
+            np_data = np.frombuffer(data, dtype=dtype)
+            if data_shape_y == -1:
+                np_data = np.reshape(np_data, data_shape_x)
+            elif data_shape_z == -1:
+                np_data = np.reshape(np_data, (data_shape_x,
+                                               data_shape_y))
+            else:
+                np_data = np.reshape(np_data, (data_shape_x,
+                                               data_shape_y,
+                                               data_shape_z))
+
+            new_table = cls(study=study,
+                            legend=legend, data=np_data,
+                            owner_scenario=owner_scenario)
+
+            res[legend] = new_table
+
+        return res
+
+    def _db_save(self, execute, data=None):
+        if self._status.scenario.id != self._owner_scenario:
+            return
+
+        shape_x = -1
+        shape_y = -1
+        shape_z = -1
+        shape = self._data.shape
+
+        if len(shape) == 2:
+            shape_x, shape_y = shape
+        elif len(shape) == 1:
+            shape_x, = shape
+        elif len(shape) == 3:
+            shape_x, shape_y, shape_z = shape
+        else:
+            logger.error(
+                f"Failed to parse numpy shape: {shape}"
+            )
+
+        execute(
+            "INSERT INTO " +
+            "results_table_data (pamhyr_id, result, " +
+            "legend, unit, " +
+            "data_shape_x, data_shape_y, data_shape_z, " +
+            "data, " +
+            "scenario) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)",
+            self._pamhyr_id, data["result"],
+            self._legend, self._dtype_to_unit(self._data.dtype),
+            shape_x, shape_y, shape_z,
+            self._data,
+            self._owner_scenario
+        )
+
+        return True
+
+    @classmethod
+    def _unit_to_dtype(cls, unit):
+        t = {
+            "i32": np.int32, "i64": np.int64,
+            "u32": np.uint32, "u64": np.uint64,
+            "f32": np.float32, "f64": np.float64,
+        }
+
+        return t[unit]
+
+    def _dtype_to_unit(self, dtype):
+        t = {
+            np.dtype(np.int32): "i32", np.dtype(np.int64): "i64",
+            np.dtype(np.uint32): "u32", np.dtype(np.uint64): "u64",
+            np.dtype(np.float32): "f32", np.dtype(np.float64): "f64",
+        }
+
+        return t[dtype]
+
+    def table(self):
+        return self._data
+
+    def __len__(self):
+        return len(self._data)
+
+    def __getitem__(self, key):
+        if isinstance(key, tuple):
+            return self._data[key[0], key[1]]
+
+        self._data[key]
+
+
 class Results(SQLSubModel):
-    _sub_classes = [River, AdditionalData]
+    _sub_classes = [River, TableData, AdditionalData]
 
     def __init__(self, id=-1, study=None, solver=None,
-                 repertory="", name="0"):
+                 repertory="", name="0", is_ensemble=False):
         super(Results, self).__init__(
             id=id, status=study.status,
             owner_scenario=study.status.scenario.id
@@ -167,21 +346,29 @@ class Results(SQLSubModel):
 
         self._name = name
         self._study = study
-        self._river = River(self._study)
+        self._river = River(self._study, self)
 
         self._solver = solver
         self._repertory = repertory
 
+        self._is_ensemble = is_ensemble
+
         self._meta_data = {
             # Keep results creation date
             "creation_date": datetime.now(),
             "study_revision": study.status.version,
             "additional_data": [],
+            "table": {},
         }
 
+        self._ts_index = {}
+
         if solver is not None:
             self.set("solver_type", solver._type)
 
+    def is_ensemble(self):
+        return self._is_ensemble
+
     @property
     def date(self):
         date = self._meta_data["creation_date"]
@@ -195,6 +382,7 @@ class Results(SQLSubModel):
     def study(self):
         return self._study
 
+    @timer
     def set(self, key, value):
         self._meta_data[key] = value
 
@@ -212,6 +400,16 @@ class Results(SQLSubModel):
     def get(self, key):
         return self._meta_data[key]
 
+    def set_timestamp_index(self, index):
+        self._ts_index = index
+
+    def get_timestamp_id(self, ts):
+        return self._ts_index[ts]
+
+    def compute_timestamp_index(self):
+        for i, ts in enumerate(self._meta_data["timestamps"]):
+            self._ts_index[ts] = i
+
     def reload(self):
         return self._solver.results(
             self._study,
@@ -238,9 +436,11 @@ class Results(SQLSubModel):
             solver_name TEXT NOT NULL,
             solver_type TEXT NOT NULL,
             study_revision INTEGER NOT NULL,
-            creation_data DATE NOT NULL,
+            creation_date DATE NOT NULL,
             nb_timestamps INTEGER NOT NULL,
             timestamps BLOB NOT NULL,
+            seed INTEGER,
+            number_of_run INTEGER,
             {Scenario.create_db_add_scenario()},
             {Scenario.create_db_add_scenario_fk()},
             PRIMARY KEY(pamhyr_id, scenario)
@@ -266,6 +466,21 @@ class Results(SQLSubModel):
                 cls._db_create(execute)
                 create = True
 
+        if major == "0" and int(minor) <= 2:
+            if int(release) < 9 and not create:
+                execute(
+                    "ALTER TABLE results ADD COLUMN " +
+                    "seed INTEGER"
+                )
+                execute(
+                    "ALTER TABLE results ADD COLUMN " +
+                    "number_of_run INTEGER"
+                )
+                execute(
+                    "ALTER TABLE results RENAME COLUMN " +
+                    "creation_data TO creation_date"
+                )
+
         return cls._update_submodel(execute, version, data)
 
     @classmethod
@@ -278,7 +493,9 @@ class Results(SQLSubModel):
 
         table = execute(
             "SELECT pamhyr_id, solver_name, solver_type, " +
-            "study_revision, creation_data, nb_timestamps, timestamps, " +
+            "study_revision, creation_date, " +
+            "seed, number_of_run, " +
+            "nb_timestamps, timestamps, " +
             "scenario " +
             "FROM results " +
             f"WHERE scenario = {scenario.id}"
@@ -298,6 +515,8 @@ class Results(SQLSubModel):
             solver_type = next(it)
             revision = next(it)
             creation_date = next(it)
+            seed = next(it)
+            number_of_run = next(it)
             nb_timestamps = next(it)
             timestamps_bytes = next(it)
             owner_scenario = next(it)
@@ -308,12 +527,24 @@ class Results(SQLSubModel):
             new_results.set("solver_type", solver_type)
             new_results.set("study_revision", revision)
             new_results.set("creation_date", creation_date)
+            if seed is not None:
+                new_results.set("seed", seed)
+                new_results.set("number_of_run", number_of_run)
+
+            data["result_pid"] = pid
+            data["result"] = new_results
+
+            table_data = TableData._db_load(execute, data)
+            new_results.set("table", table_data)
 
             sf = ">" + ''.join(itertools.repeat("d", nb_timestamps))
             ts = struct.unpack(sf, timestamps_bytes)
             new_results.set("timestamps", ts)
 
             data["timestamps"] = sorted(ts)
+            new_results.compute_timestamp_index()
+
+            data["parent"] = new_results
             new_results._river = River._db_load(execute, data)
 
             new_results.set(
@@ -321,6 +552,20 @@ class Results(SQLSubModel):
                 AdditionalData._db_load(execute, data)
             )
 
+            # Update global index
+            i = 0
+            for reach in new_results._river.reachs:
+                nb = len(reach.profiles)
+                reach.set_global_index(range(i, i + nb + 1))
+                i += nb
+
+            if "Z" in table_data:
+                for ts in data["timestamps"]:
+                    new_results._river.update_water_limits(
+                        ts,
+                        table_data["Z"][new_results.get_timestamp_id(ts), :]
+                    )
+
             yield (solver_type, new_results)
 
     def _db_save_clear(self, execute, solver_type, data=None):
@@ -343,6 +588,11 @@ class Results(SQLSubModel):
                     f"WHERE scenario = {self._owner_scenario} " +
                     f"AND result = {pid}"
                 )
+                execute(
+                    "DELETE FROM results_table_data " +
+                    f"WHERE scenario = {self._owner_scenario} " +
+                    f"AND result = {pid}"
+                )
                 execute(
                     "DELETE FROM results_add_data " +
                     f"WHERE scenario = {self._owner_scenario} " +
@@ -372,21 +622,43 @@ class Results(SQLSubModel):
         ts = sorted(self.get("timestamps"))
         sf = ">" + ''.join(itertools.repeat("d", len(ts)))
 
+        if "seed" in self._meta_data:
+            seed = int(self.get("seed"))
+            number_of_run = int(self.get("number_of_run"))
+        else:
+            seed = None
+            number_of_run = None
+
         execute(
             "INSERT INTO " +
             "results (pamhyr_id, solver_name, solver_type, " +
-            "study_revision, creation_data, " +
+            "study_revision, creation_date, " +
+            "seed, number_of_run, " +
             "nb_timestamps, timestamps, " +
-            "scenario) VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+            "scenario) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
             self._pamhyr_id, solver_name, solver_type,
             self._status.version, self.get("creation_date"),
-            len(ts), struct.pack(sf, *ts), self._owner_scenario
+            seed, number_of_run,
+            len(ts), struct.pack(sf, *ts),
+            self._owner_scenario
         )
 
         data["result"] = self._pamhyr_id
         self._river._db_save(execute, data)
 
+        tables = self.get("table")
+        for legend in tables:
+            tables[legend]._db_save(execute, data)
+
         for add_data in self.get("additional_data"):
             add_data._db_save(execute, data)
 
         return True
+
+    def new_table_data(self, legend, data):
+        return TableData(
+            study=self._study,
+            legend=legend,
+            data=data,
+            owner_scenario=self._owner_scenario
+        )

src/Model/Results/ResultsAdisTS.py

@@ -1,5 +1,5 @@
 # Results.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Results/River/River.py

@@ -1,5 +1,5 @@
 # River.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -14,12 +14,13 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
+import types
 import struct
 import logging
 import itertools
 import numpy as np
 
-from tools import flatten
+from tools import flatten, timer
 from functools import reduce
 from datetime import datetime
 
@@ -30,15 +31,17 @@ logger = logging.getLogger()
 
 
 class Profile(SQLSubModel):
-    def __init__(self, profile, study):
+    def __init__(self, profile, study, parent):
         super(Profile, self).__init__(
             id=-1, status=study.status,
             owner_scenario=study.status.scenario.id
         )
 
+        self._parent = parent
         self._study = study
         self._profile = profile  # Source profile in the study
         self._data = {}  # Dict of dict {<ts>: {<key>: <value>, ...}, ...}
+        self._global_index = -1
 
     def __len__(self):
         return len(self._data)
@@ -55,15 +58,26 @@ class Profile(SQLSubModel):
     def geometry(self):
         return self._profile
 
+    @property
+    def global_index(self):
+        return self._global_index
+
+    @global_index.setter
+    def global_index(self, id):
+        self._global_index = id
+
+    @timer
     def set(self, timestamp, key, data):
         if timestamp not in self._data:
             self._data[timestamp] = {}
 
         self._data[timestamp][key] = data
 
+    @timer
     def get_ts(self, timestamp):
         return self._data[timestamp]
 
+    @timer
     def get_key(self, key):
         res = list(
             map(lambda ts: self._data[ts][key],
@@ -71,17 +85,26 @@ class Profile(SQLSubModel):
         )
         return res
 
+    @timer
     def get_ts_key(self, timestamp, key):
         if timestamp in self._data:
             if key in self._data[timestamp]:
-                return self._data[timestamp][key]
+                v = self._data[timestamp][key]
+
+                # If is a generator, compute value(s)
+                if isinstance(v, types.GeneratorType):
+                    v = next(v)
+                    self._data[timestamp][key] = v
+
+                return v
+
         return None
 
     def has_sediment_layers(self):
         return any(map(lambda ts: "sl" in self._data[ts], self._data))
 
     def has_bedload(self):
-        return any(map(lambda ts: "zfd" in self._data[ts], self._data))
+        return any(map(lambda ts: "sl" in self._data[ts], self._data))
 
     @classmethod
     def _db_create(cls, execute, ext=""):
@@ -114,9 +137,9 @@ class Profile(SQLSubModel):
 
     @classmethod
     def _db_load(cls, execute, data=None):
-        new = {}
         status = data['status']
 
+        parent = data['parent']
         study = data['study']
         reach = data['reach']
         profile = data['profile']
@@ -124,6 +147,8 @@ class Profile(SQLSubModel):
         loaded = data['loaded_pid']
         timestamps = data['timestamps']
 
+        new = cls(profile, study, parent)
+
         values = execute(
             "SELECT pamhyr_id, result, key, " +
             "len_data, data, scenario " +
@@ -143,12 +168,6 @@ class Profile(SQLSubModel):
             data = next(it)
             owner_scenario = next(it)
 
-            if profile not in new:
-                new_data = cls(profile, study)
-                new[profile] = new_data
-            else:
-                new_data = new[profile]
-
             if key in ["Z", "Q", "V"]:
                 sf = ">" + ''.join(itertools.repeat("f", len_data))
                 len_values = len(values)
@@ -161,11 +180,11 @@ class Profile(SQLSubModel):
                 )
 
             for timestamp, value in zip(timestamps, values):
-                new_data.set(timestamp, key, value)
+                new.set(timestamp, key, value)
                 if key == "Z":
-                    new_data.update_water_limits(timestamp, value)
+                    new.update_water_limits(timestamp, value)
 
-        return list(new.values())
+        return new
 
     @classmethod
     def _db_load_data_sl_format(cls, values, len_data, timestamps):
@@ -257,19 +276,20 @@ class Profile(SQLSubModel):
 class Reach(SQLSubModel):
     _sub_classes = [Profile]
 
-    def __init__(self, reach, study, with_init=True):
+    def __init__(self, reach, study, parent, with_init=True):
         super(Reach, self).__init__(
             id=-1, status=study.status,
             owner_scenario=study.status.scenario.id
         )
 
+        self._parent = parent
         self._study = study
         self._reach = reach  # Source reach in the study
         self._profiles = []
         if with_init:
             self._profiles = list(
                 map(
-                    lambda p: Profile(p, self._study),
+                    lambda p: Profile(p, self._study, self._parent),
                     reach.profiles
                 )
             )
@@ -279,6 +299,9 @@ class Reach(SQLSubModel):
                 lambda p: p.name[0:8] != 'interpol', self._profiles
             )
         )
+
+        self._global_index = (-1, -1)
+
         self._buffers = {}
 
     def __len__(self):
@@ -307,6 +330,17 @@ class Reach(SQLSubModel):
     def profile(self, id):
         return self._profiles[id]
 
+    def set_global_index(self, indexs):
+        self._global_index = (indexs[0], indexs[-1])
+
+        for profile, ind in zip(self._profiles, indexs):
+            profile.global_index = ind
+
+    @property
+    def global_index(self):
+        return self._global_index
+
+    @timer
     def set(self, profile_id, timestamp, key, data):
         self._profiles[profile_id].set(timestamp, key, data)
 
@@ -322,6 +356,10 @@ class Reach(SQLSubModel):
         for i, p in enumerate(self._profiles):
             self._buffers[key][:, i] = p.get_key(key)
 
+    def update_water_limits(self, timestamp, z_data):
+        for profile, z in zip(self._profiles, z_data):
+            profile.update_water_limits(timestamp, z)
+
     @classmethod
     def _db_create(cls, execute, ext=""):
         return cls._create_submodel(execute)
@@ -335,12 +373,13 @@ class Reach(SQLSubModel):
         reach = data["reach"]
 
         new_reach = cls(
-            data["reach"], data["study"], with_init=False
+            data["reach"], data["study"], data["parent"],
+            with_init=False
         )
 
         for i, profile in enumerate(reach.profiles):
             data["profile"] = profile
-            new_reach._profiles += Profile._db_load(execute, data)
+            new_reach._profiles += [Profile._db_load(execute, data)]
 
         return new_reach
 
@@ -354,16 +393,20 @@ class Reach(SQLSubModel):
 class River(SQLSubModel):
     _sub_classes = [Reach]
 
-    def __init__(self, study):
+    def __init__(self, study, parent, init=True):
         super(River, self).__init__(
             id=-1, status=study.status,
             owner_scenario=study.status.scenario.id
         )
 
         self._study = study
+        self._parent = parent
 
         # Dict with timestamps as key
         self._reachs = []
+        if init:
+            for i, _ in enumerate(self._study.river.enable_edges()):
+                self.add(i)
 
     def __len__(self):
         return len(self._reachs)
@@ -381,7 +424,7 @@ class River(SQLSubModel):
     def add(self, reach_id):
         reachs = self._study.river.enable_edges()
 
-        new = Reach(reachs[reach_id].reach, self._study)
+        new = Reach(reachs[reach_id].reach, self._study, self._parent)
 
         self._reachs.append(new)
         return new
@@ -394,6 +437,15 @@ class River(SQLSubModel):
             )
         )
 
+    def update_water_limits(self, timestamp, data):
+        for reach in self._reachs:
+            ind = reach.global_index
+
+            reach.update_water_limits(
+                timestamp,
+                data[ind[0]:ind[1]]
+            )
+
     @classmethod
     def _db_create(cls, execute, ext=""):
         return cls._create_submodel(execute)
@@ -405,7 +457,9 @@ class River(SQLSubModel):
     @classmethod
     def _db_load(cls, execute, data=None):
         study = data["study"]
-        new_river = cls(study)
+        parent = data["parent"]
+
+        new_river = cls(study, parent, init=False)
 
         for reach in study.river.reachs():
             data["reach"] = reach.reach

src/Model/Results/River/RiverAdisTS.py

@@ -1,5 +1,5 @@
 # River.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/River.py

@@ -1,5 +1,5 @@
 # River.py -- Pamhyr river model
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -60,6 +60,7 @@ from Model.LateralContributionsAdisTS.LateralContributionsAdisTSList \
 from Model.D90AdisTS.D90AdisTSList import D90AdisTSList
 from Model.DIFAdisTS.DIFAdisTSList import DIFAdisTSList
 from Model.GeoTIFF.GeoTIFFList import GeoTIFFList
+from Model.Ensembles.EnsembleList import EnsembleList
 from Model.Results.Results import Results
 
 logger = logging.getLogger()
@@ -476,6 +477,7 @@ class River(Graph):
         D90AdisTSList,
         DIFAdisTSList,
         GeoTIFFList,
+        EnsembleList,
         Results
     ]
 
@@ -515,6 +517,9 @@ class River(Graph):
 
         self._geotiff = GeoTIFFList(status=self._status)
 
+        # Scenario ensemble
+        self._ensembles = EnsembleList(status=self._status)
+
         self._results = {}
 
     @classmethod
@@ -629,6 +634,8 @@ class River(Graph):
 
         new._geotiff = GeoTIFFList._db_load(execute, data)
 
+        new._ensembles = EnsembleList._db_load(execute, data)
+
         return new
 
     def _db_load_results(self, execute, data=None):
@@ -664,6 +671,8 @@ class River(Graph):
 
         objs.append(self._geotiff)
 
+        objs.append(self._ensembles)
+
         for solv_type in self.results:
             objs.append(self.results[solv_type])
 
@@ -740,7 +749,7 @@ class River(Graph):
             self._BoundaryConditionsAdisTS,
             self._LateralContributionsAdisTS,
             self._D90AdisTS, self._DIFAdisTS,
-            self._geotiff,
+            self._geotiff, self._ensembles,
         ]
 
         for solver in self._parameters:

src/Model/Scenario.py

@@ -53,6 +53,7 @@ class Scenario(SQLSubModel):
         "geometry_pointXYZ", "geometry_profileXYZ",
         "river_reach", "river_node",
         "geotiff", "reservoir", "reservoir_data",
+        "ensemble",
     ]
 
     related_tables = tables_with_deleted_column + [
@@ -67,6 +68,7 @@ class Scenario(SQLSubModel):
                  name: str = "",
                  description: str = "",
                  x: int = 1000.0, y: int = 1000.0,
+                 is_ensemble: bool = False,
                  revision: int = 0,
                  parent=None):
         super(Scenario, self).__init__()
@@ -76,6 +78,7 @@ class Scenario(SQLSubModel):
         self._x, self._y = x, y
         self._name = name
         self._description = description
+        self._is_ensemble = is_ensemble
         self._revision = revision
         self._parent = parent
 
@@ -98,6 +101,7 @@ class Scenario(SQLSubModel):
             y REAL NOT NULL DEFAULT 1000,
             name TEXT NOT NULL,
             description TEXT NOT NULL,
+            is_ensemble BOOL DEFAULT FALSE,
             revision INTEGER NOT NULL,
             parent_id INTEGER REFERENCES scenario(id)
           )
@@ -133,6 +137,13 @@ class Scenario(SQLSubModel):
             cls._db_create(execute)
             cls._db_add_default(execute)
 
+        if major == "0" and int(minor) == 2:
+            if int(release) < 8:
+                execute(
+                    f"ALTER TABLE scenario " +
+                    "ADD COLUMN is_ensemble BOOL DEFAULT FALSE"
+                )
+
         return True
 
     @classmethod
@@ -153,7 +164,8 @@ class Scenario(SQLSubModel):
         scenarios = {}
 
         table = execute(
-            "SELECT id, x, y, name, description, revision, parent_id " +
+            "SELECT id, x, y, name, description, " +
+            "  is_ensemble, revision, parent_id " +
             "FROM scenario " +
             "ORDER BY id ASC"
         )
@@ -165,6 +177,7 @@ class Scenario(SQLSubModel):
             x, y = next(it), next(it)
             name = next(it)
             desc = next(it)
+            is_ens = next(it)
             revi = next(it)
             parent = next(it)
 
@@ -174,7 +187,9 @@ class Scenario(SQLSubModel):
             new = cls(
                 id=id, x=x, y=y,
                 name=name, description=desc,
-                revision=revi, parent=parent
+                is_ensemble=is_ens,
+                revision=revi,
+                parent=parent
             )
             scenarios[id] = new
 
@@ -184,21 +199,18 @@ class Scenario(SQLSubModel):
         if self.is_deleted():
             return self.drop_all(execute)
 
-        parent = 'NULL'
+        parent = None
         if self.parent is not None:
             parent = self.parent._id
 
         execute(
             "INSERT OR REPLACE INTO " +
-            "scenario(id, x, y, name, description, revision, parent_id) " +
-            "VALUES (" +
-            f"{self._id}, " +
-            f"{self.x}, {self.y}, " +
-            f"'{self._db_format(self.name)}', " +
-            f"'{self._db_format(self.description)}', " +
-            f"{self._revision}, " +
-            f"{parent}" +
-            ")"
+            "scenario(id, x, y, name, description, " +
+            "  is_ensemble, revision, parent_id) " +
+            "VALUES (?, ?, ?, ?, ?, ?, ?, ?)",
+            self._id, self.x, self.y,
+            self.name, self.description, self._is_ensemble,
+            self._revision, parent
         )
 
         return True
@@ -323,6 +335,9 @@ class Scenario(SQLSubModel):
     def parent(self):
         return self._parent
 
+    def is_ensemble(self):
+        return self._is_ensemble
+
     def set_pos(self, x, y):
         self._x = x
         self._y = y
@@ -340,6 +355,8 @@ class Scenario(SQLSubModel):
             return self.name
         if key == "description":
             return self.description
+        if key == "is_ensemble":
+            return self.is_ensemble()
         if key == "parent":
             return self.parent
 

src/Model/Scenarios.py

@@ -57,8 +57,11 @@ class Scenarios(PamhyrModelDict):
 
         return None
 
-    def new(self, parent):
-        new = Scenario(parent=parent)
+    def new(self, parent, is_ensemble=False):
+        new = Scenario(
+            parent=parent,
+            is_ensemble=is_ensemble
+        )
         self.set(new._id, new)
         return new
 

src/Model/Serializable.py

@@ -1,5 +1,5 @@
 # Serializable.py -- Pamhyr pickle abstract class
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/SolverParameters/SolverParametersList.py

@@ -1,5 +1,5 @@
 # SolverParametersList.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Status.py

@@ -1,5 +1,5 @@
 # Status.py -- Pamhyr model status class
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Stricklers/Stricklers.py

@@ -1,5 +1,5 @@
 # Stricklers.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Stricklers/StricklersList.py

@@ -1,5 +1,5 @@
 # StricklersList.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Study.py

@@ -1,5 +1,5 @@
 # Study.py -- Pamhyr Study class
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -33,6 +33,7 @@ from Model.Status import StudyStatus
 from Model.Except import NotImplementedMethodeError
 from Model.River import River
 from Model.Geometry.Reach import Reach
+from Model.Ensembles.DistributionList import DistributionList
 from Model.HydraulicStructures.HydraulicStructures import (
     HydraulicStructure
 )
@@ -46,10 +47,11 @@ logger = logging.getLogger()
 
 
 class Study(SQLModel):
-    _version = "0.2.5"
+    _version = "0.2.9"
 
     _sub_classes = [
         Scenario,
+        DistributionList,
         River,
     ]
 
@@ -84,6 +86,9 @@ class Study(SQLModel):
             self.scenarios = Scenarios(status=self.status)
             self.scenarios[0] = s0
             self.status.scenario = s0
+
+            self._ens_distributions = DistributionList(status=self.status)
+
             self._river = River(status=self.status)
         else:
             self._init_db_file(filename, is_new=False)
@@ -388,12 +393,19 @@ class Study(SQLModel):
                 lambda a, s: a or (s.parent is scenario),
                 new.scenarios.lst,
                 False
-        ):
+        ) or scenario.is_ensemble():
             new.status.set_as_read_only()
 
         data["scenario"] = scenario
         data["loaded_pid"] = set()
 
+        # Get ensemble distribution
+        new._ens_distributions = DistributionList._db_load(
+            sql_exec, data=data
+        )
+
+        data["ens_distributions"] = new._ens_distributions
+
         # Load river data
         new._river = River._db_load(
             sql_exec, data=data
@@ -454,8 +466,27 @@ class Study(SQLModel):
         )
         progress()
 
+        if self.status.scenario.is_ensemble():
+            lst = [
+                self.scenarios, self._ens_distributions,
+                self._river._ensembles,
+            ]
+            for solv in self._river._results:
+                lst.append(self._river._results[solv])
+
             self._save_submodel(
-            [self.scenarios, self._river],
+                lst, data=progress
+            )
+            progress()
+            self.commit()
+
+            return
+
+        self._save_submodel(
+            [
+                self.scenarios, self._ens_distributions,
+                self._river
+            ],
             data=progress
         )
 
@@ -573,7 +604,8 @@ class Study(SQLModel):
         data = {
             "status": self.status,
             "loaded_pid": set(),
-            "scenario": scenario
+            "scenario": scenario,
+            "ens_distributions": self._ens_distributions,
         }
 
         self.status.start_loading()
@@ -647,6 +679,7 @@ class Study(SQLModel):
                     self.status.scenario.y + 100)
 
         new.name = self.status.scenario.name + " (copy)"
+        new.is_ensemble = self.status.scenario.is_ensemble
 
         self.status.scenario = new
         self.river._data_traversal(
@@ -658,6 +691,25 @@ class Study(SQLModel):
         self.status.set_as_editable()
         return new
 
+    def create_ensemble_scenario(self, pos=None, switch=True):
+        new = self.scenarios.new(
+            self.status.scenario,
+            is_ensemble=True
+        )
+
+        new.name = self.status.scenario.name + " (ensemble)"
+        if pos is not None:
+            new.set_pos(pos.x(), pos.y())
+        else:
+            new.set_pos(self.status.scenario.x + 100,
+                        self.status.scenario.y)
+
+        if switch:
+            self.status.scenario = new
+
+        self.status.set_as_read_only()
+        return new
+
     @property
     def results(self):
         return self._river.results

src/Model/Tools/PamhyrDB.py

@@ -1,5 +1,5 @@
 # PamhyrDB.py -- Pamhyr abstract model database classes
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -185,6 +185,13 @@ class SQLSubModel(PamhyrID):
         else:
             self._owner_scenario = owner_scenario
 
+    def __str__(self):
+        t = type(self)
+        return (
+            f"'{t.__module__}.{t.__name__}" +
+            f"@{self._pamhyr_id}.{self._owner_scenario}'"
+        )
+
     def must_be_saved(self):
         """Return True if this object MUST be save in the save file.
 

src/Model/Tools/PamhyrDict.py

@@ -1,5 +1,5 @@
 # PamhyrDict.py -- Pamhyr abstract dict for model classes
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Tools/PamhyrList.py

@@ -1,5 +1,5 @@
 # PamhyrList.py -- Pamhyr Abstract List object for the Model
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/Tools/PamhyrListExt.py

@@ -1,5 +1,5 @@
 # PamhyrList.py -- Pamhyr Abstract List object for the Model
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/__init__.py

@@ -1,5 +1,5 @@
 # __init__.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Model/test_Model.py

@@ -1,5 +1,5 @@
 # test_Model.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/SQL.py

@@ -1,5 +1,5 @@
 # SQL.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Scripts/AScript.py

@@ -1,5 +1,5 @@
 # AScript.py -- Pamhyr abstract script class
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Scripts/Hello.py

@@ -1,5 +1,5 @@
 # Hello.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Scripts/ListSolver.py

@@ -1,5 +1,5 @@
 # ListSolver.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Scripts/MageMesh.py

@@ -1,5 +1,5 @@
 # MageMesh.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Scripts/P3DST.py

@@ -1,5 +1,5 @@
 # P3DST.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Scripts/Run.py

@@ -1,5 +1,5 @@
 # Run.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Scripts/mage_to_mascaret.py

@@ -1,3 +1,20 @@
+# mage_to_mascaret.py -- Pamhyr
+# Copyright (C) 2026  INRAE
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# -*- coding: utf-8 -*-
 #!/bin/env python3
 
 import sys
@@ -336,6 +353,3 @@ if __name__ == "__main__":
     print( 'Number of arguments:', len(sys.argv), 'arguments.')
     print( 'Argument List:', str(sys.argv))
     mage_to_mascaret(sys.argv[1])
-
-
-

src/Scripts/mascaret_to_mage.py

@@ -1,3 +1,20 @@
+# mascaret_to_mage.py -- Pamhyr
+# Copyright (C) 2026  INRAE
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# -*- coding: utf-8 -*-
 #!/bin/env python3
 
 import sys

src/Solver/ASolver.py

@@ -1,5 +1,5 @@
 # ASolver.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Solver/AdisTS.py

@@ -1,5 +1,5 @@
 # AdisTS.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -280,8 +280,8 @@ class AdisTS(CommandLineSolver):
                 name = f"Reach_{e.id + 1:>3}".replace(" ", "0")
                 id = name
 
-                n1 = f"{e.node1.id:3}".replace(" ", "x")
-                n2 = f"{e.node2.id:3}".replace(" ", "x")
+                n1 = f"{self.get_node_name(e.node1):3}".replace(" ", "x")
+                n2 = f"{self.get_node_name(e.node2):3}".replace(" ", "x")
                 file = os.path.join("net", name + ".ST")
 
                 f.write(f"{id} {n1} {n2} {file}\n")
@@ -455,47 +455,6 @@ class AdisTS(CommandLineSolver):
     def get_reach_name(self, reach):
         return f"Reach_{reach.pamhyr_id:>3}".replace(" ", "0")
 
-    def get_node_name(self, node):
-        """Generate a 3 char name for node
-
-        Args:
-            node: The node
-
-        Returns:
-            A 3 char name string
-        """
-        n = node.pamhyr_id
-
-        # print("node name id: ", n)
-
-        # if n in self._nodes_names:
-        #     return self._nodes_names[n]
-
-        name = ""
-
-        checked_new = False
-        while not checked_new:
-            self._nodes_cnt += 1
-            nc = self._nodes_cnt
-
-            name = "".join(
-                map(
-                    lambda i: self._alph[i % self._l_alph],
-                    [
-                        int(nc / (self._l_alph * self._l_alph)),
-                        int(nc / self._l_alph),
-                        nc
-                    ]
-                )
-            )
-
-            checked_new = name not in self._nodes_views
-
-        self._nodes_views.add(name)
-        self._nodes_names[n] = name
-
-        return name
-
 #################################
 # Adis-TS in weak coupling mode #
 #################################

src/Solver/CommandLine.py

@@ -1,5 +1,5 @@
 # CommandLine.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Solver/GenericSolver.py

@@ -1,5 +1,5 @@
 # GenericSolver.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/Solver/Mage.py

@@ -1,5 +1,5 @@
 # Mage.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -1027,6 +1027,75 @@ class Mage8(Mage):
             logger_exception(e)
             return False
 
+    def export_ensemble_variation(self, study, repertory,
+                                  qlog=None, name="0",
+                                  samples=None):
+        self._study = study
+        name = study.name.replace(" ", "_")
+
+        var_samples = self._export_ensemble_RUG(
+            study, repertory,
+            qlog, name=name,
+            samples=samples,
+        )
+
+        return var_samples
+
+    def _export_ensemble_RUG(self, study, repertory,
+                             qlog, name="0",
+                             samples={}):
+        files = []
+        var_samples = []
+
+        for ens in samples:
+            if ens.target_data is None:
+                continue
+
+            x = next(samples[ens])
+            var_samples.append(x)
+
+            qlog.put(f"*** Variation " +
+                     f"'{ens.target_data}' - {ens.data_type} x {x}")
+
+            if ens.data_type == "strickler_minor":
+                ens.target_data.minor = x
+            elif ens.data_type == "strickler_medium":
+                ens.target_data.medium = x
+
+        if qlog is not None:
+            qlog.put("Export variation of RUG file")
+
+        # Write header
+        with mage_file_open(os.path.join(repertory, f"{name}.RUG"), "w+") as f:
+            files.append(f"{name}.RUG")
+
+            edges = study.river.enable_edges()
+
+            id = 1
+            for edge in edges:
+                frictions = edge.frictions
+
+                for friction in frictions.frictions:
+                    if friction.begin_strickler is None:
+                        continue
+
+                    if friction.is_deleted():
+                        continue
+
+                    num = f"{id:>3}"
+                    brk = f"{friction.begin_rk:>10.3f}"
+                    erk = f"{friction.end_rk:>10.3f}"
+
+                    strickler = friction.begin_strickler
+                    coef_1 = f"{strickler.minor:>10.3f}"
+                    coef_2 = f"{strickler.medium:>10.3f}"
+
+                    f.write(f"K{num}      {brk}{erk}{coef_1}{coef_2}\n")
+
+                id += 1
+
+        return var_samples
+
     ###########
     # RESULTS #
     ###########
@@ -1083,7 +1152,7 @@ class Mage8(Mage):
             newline()
 
             reachs = []
-            iprofiles = {}
+            iprofiles = []
             profile_len = []
             reach_offset = {}
 
@@ -1091,22 +1160,25 @@ class Mage8(Mage):
 
             for i in range(nb_reach):
                 # Add results reach to reach list
-                r = results.river.add(i)
+                r = results.river.reach(i)
                 reachs.append(r)
 
                 # ID of first and last reach profiles
                 i1 = data[2*i] - 1
                 i2 = data[2*i+1] - 1
 
+                # Keep profiles index of all river
+                r.set_global_index(range(i1, i2 + 1))
+
                 # Add profile id correspondance to reach
-                key = (i1, i2)
-                iprofiles[key] = r
+                for key in range(i1, i2 + 1):
+                    iprofiles.append(i)
 
                 # Profile ID offset
                 reach_offset[r] = i1
-                profile_len.append(i2-i1+1)
+                profile_len.append(i2 - i1 + 1)
 
-            logger.debug(f"read_bin: iprofiles = {iprofiles}")
+            logger.debug(f"read_bin: iprofiles = {len(iprofiles)}")
 
             endline()
 
@@ -1124,16 +1196,6 @@ class Mage8(Mage):
             # Data
             newline()
 
-            def ip_to_r(i): return iprofiles[
-                next(
-                    filter(
-                        lambda k: k[0] <= i <= k[1],
-                        iprofiles
-                    )
-                )
-            ]
-            def ip_to_ri(r, i): return i - reach_offset[r]
-
             # check results and geometry consistency
             for i, r in enumerate(reachs):
                 lp = len(r.profiles)
@@ -1144,6 +1206,8 @@ class Mage8(Mage):
                     return
 
             ts = set()
+            tmp_table = {}
+
             end = False
             while not end:
                 n = read_int(1)[0]
@@ -1152,18 +1216,21 @@ class Mage8(Mage):
                     f, dtype=np.byte, count=1)).decode()
                 data = read_float(n)
 
-                # logger.debug(f"read_bin: timestamp = {timestamp} sec")
+                if key not in tmp_table:
+                    tmp_table[key] = []
+
+                tmp_table[key].append(data)
                 ts.add(timestamp)
 
                 if key in ["Z", "Q"]:
                     for i, d in enumerate(data):
                         # Get reach corresponding to profile ID
-                        reach = ip_to_r(i)
+                        reach = reachs[iprofiles[i]]
                         # Get profile id in reach
-                        ri = ip_to_ri(reach, i)
+                        ri = i - reach_offset[reach]
 
                         # Set data for profile RI
-                        reach.set(ri, timestamp, key, d)
+                        # reach.set(ri, timestamp, key, d)
                         if key == "Z":
                             profile = reach.profile(ri)
                             limits = profile.geometry.get_water_limits(d)
@@ -1176,6 +1243,15 @@ class Mage8(Mage):
                 endline()
                 end = newline().size <= 0
 
+            ts_index = {}
+            for i, t in enumerate(sorted(ts)):
+                ts_index[t] = i
+            results.set_timestamp_index(ts_index)
+
+            table = {}
+            for k in tmp_table:
+                table[k] = np.array(tmp_table[k])
+
             results.set("timestamps", ts)
             ts_list = sorted(ts)
             logger.info(f"compute tab...")
@@ -1185,19 +1261,33 @@ class Mage8(Mage):
 
             logger.info(f"compute velocity...")
 
+            velocity_arr = np.zeros((len(ts), len(iprofiles)))
+            for ti, t in enumerate(ts_list):
+                j = 0
                 for r in reachs:
-                for t in ts_list:
-                    for i, p in enumerate(r.profiles):
+                    for pi, p in enumerate(r.profiles):
                         v = p.geometry.speed(
-                                p.get_ts_key(t, "Q"),
-                                p.get_ts_key(t, "Z")
+                            table["Q"][ti, p.global_index],
+                            table["Z"][ti, p.global_index],
                         )
-                        r.set(i, t, "V", v)
+                        # r.set(pi, t, "V", v)
+                        velocity_arr[ti, j] = v
+                        j += 1
+
+            table["V"] = velocity_arr
+
+            for legend in table:
+                table[legend] = results.new_table_data(
+                    legend, table[legend]
+                )
+
+            results.set("table", table)
+
             logger.info(f"read_bin: ... end with {len(ts)} timestamp read")
 
-        results.bufferize("Z")
-        results.bufferize("Q")
-        results.bufferize("V")
+        # results.bufferize("Z")
+        # results.bufferize("Q")
+        # results.bufferize("V")
         logger.info(f"reading time: '{time.time() - start}'")
 
     @timer
@@ -1267,8 +1357,8 @@ class Mage8(Mage):
                 reachs.append(r)
 
                 # ID of first and last reach profiles
-                i1 = data[2*i] - 1
-                i2 = data[2*i+1] - 1
+                i1 = data[2 * i] - 1
+                i2 = data[2 * i + 1] - 1
 
                 # Add profile id correspondance to reach
                 key = (i1, i2)
@@ -1322,6 +1412,7 @@ class Mage8(Mage):
                     newline()
                     npts = read_int(n)
                     endline()
+
                 sum_npts = sum(npts)
                 logger.debug(f"read_gra: Number of points: {sum_npts}")
 
@@ -1371,12 +1462,14 @@ class Mage8(Mage):
 
             logger.info(f"compute river bed elevation...")
 
+            zfd_lst = []
+
             for r in reachs:
                 z_min = r.geometry.get_z_min()
-                sls = list(map(
+                sls = map(
                     lambda p: p.get_ts_key(ts_list[0], "sl")[0],
                     r.profiles
-                    ))
+                )
                 z_br = list(map(
                     lambda z, sl: reduce(
                         lambda z, h: z - h[0],
@@ -1385,11 +1478,11 @@ class Mage8(Mage):
                     z_min,          # Original geometry
                     sls             # Original sediment layers
                 ))
-                for t in ts_list:
-                    sls = list(map(
+                for its, t in enumerate(ts_list):
+                    sls = map(
                         lambda p: p.get_ts_key(t, "sl")[0],
                         r.profiles
-                        ))
+                    )
                     zfd = list(map(
                         lambda z, sl: reduce(
                             lambda z, h: z + h[0],
@@ -1398,8 +1491,13 @@ class Mage8(Mage):
                         z_br,       # bedrock
                         sls         # Original sediment layers
                     ))
-                    for i, p in enumerate(r.profiles):
-                        r.set(i, t, "zfd", zfd[i])
+
+                    zfd_lst.append(np.array(zfd))
+
+            table = results.get("table")
+            table["zfd"] = results.new_table_data(
+                "zfd", np.array(zfd_lst)
+            )
 
             results.set("sediment_timestamps", ts)
             logger.info(f"read_gra: ... end with {len(ts)} timestamp read")
@@ -1422,6 +1520,171 @@ class Mage8(Mage):
 
         return results
 
+    @timer
+    def read_ensemble_bin(self, study, fname, tables, run_number, qlog=None):
+        logger.info(f"read_ensemble_bin: Start reading '{fname}' ...")
+        start = time.time()
+
+        with mage_file_open(fname, "r") as f:
+            def newline(): return np.fromfile(f, dtype=np.int32, count=1)
+            def endline(): return np.fromfile(f, dtype=np.int32, count=1)
+
+            def read_int(size): return np.fromfile(
+                f, dtype=np.int32, count=size)
+
+            def read_float(size): return np.fromfile(
+                f, dtype=np.float32, count=size)
+
+            def read_float64(size): return np.fromfile(
+                f, dtype=np.float64, count=size)
+
+            # Meta data (1st line)
+            newline()
+            data = read_int(3)
+
+            nb_reach = data[0]
+            nb_profile = data[1]
+            mage_version = data[2]
+
+            if mage_version <= 80:
+                msg = (
+                    "Read BIN files: " +
+                    f"Possible incompatible mage version '{mage_version}', " +
+                    "please check your solver configuration..."
+                )
+                logger.warning(msg)
+
+                if qlog is not None:
+                    qlog.put("[WARNING] " + msg)
+
+            endline()
+
+            # Reach information (2nd line)
+            newline()
+            _ = read_int(2*nb_reach)
+            endline()
+
+            # X (3rd line)
+            newline()
+            _ = read_float(nb_profile)
+            endline()
+
+            # Z and Y (4th line)
+            newline()
+            _ = read_float(3*nb_profile)
+            endline()
+
+            # Data
+            newline()
+
+            ts = set()
+
+            tmp_table = {}
+            end = False
+            while not end:
+                n = read_int(1)[0]
+                timestamp = read_float64(1)[0]
+                key = bytearray(
+                    np.fromfile(
+                        f, dtype=np.byte, count=1
+                    )
+                ).decode()
+                data = read_float(n)
+
+                if key not in tmp_table:
+                    tmp_table[key] = []
+
+                tmp_table[key].append(data)
+
+                ts.add(timestamp)
+
+                endline()
+                end = newline().size <= 0
+
+            table = {}
+            for k in tmp_table:
+                table[k] = np.array(tmp_table[k])
+
+            self.read_ensemble_bin_agregate_data(
+                table, tables, run_number
+            )
+
+            tables["timestamps"] = ts
+
+        logger.info(f"reading time: '{time.time() - start}'")
+
+    def read_ensemble_bin_agregate_data(self, tables, res, run_number):
+        z = tables["Z"]
+        q = tables["Q"]
+
+        if "z_mean" not in res:
+            res["z_mean"] = z
+            res["q_mean"] = q
+
+            res["z_tmp_M2"] = np.zeros(z.shape)
+            res["q_tmp_M2"] = np.zeros(q.shape)
+
+            res["z_std_derivation"] = np.zeros(z.shape)
+            res["q_std_derivation"] = np.zeros(q.shape)
+
+            res["z_min"] = z
+            res["z_max"] = z
+
+            res["q_min"] = q
+            res["q_max"] = q
+        else:
+            # Get mean results for Z and Q
+            n = run_number
+            for x, txt in [(z, "z"), (q, "q")]:
+                t_mean = f"{txt}_mean"
+                t_M2 = f"{txt}_tmp_M2"
+                t_std_deriv = f"{txt}_std_derivation"
+
+                delta = x - res[t_mean]
+
+                res[t_mean] += delta / n
+
+                delta_2 = x - res[t_mean]
+
+                res[t_M2] += delta * delta_2
+                res[t_std_deriv] = np.sqrt(res[t_M2] / n)
+
+            # Z and Q min max values
+            res["z_min"] = np.minimum(z, res["z_min"])
+            res["z_max"] = np.maximum(z, res["z_max"])
+            res["q_min"] = np.minimum(q, res["q_min"])
+            res["q_max"] = np.maximum(q, res["q_max"])
+
+    @timer
+    def results_ensemble(self, study, repertory,
+                         tables, run_number,
+                         qlog=None, name=None):
+        self._study = study
+        if name is None:
+            name = study.name.replace(" ", "_")
+
+        fname = os.path.join(repertory, f"{name}.BIN".replace(" ", "_"))
+        if not os.path.isfile(fname):
+            logger.info(f"Result file {name}.BIN does not exist")
+            return None
+        try:
+            self.read_ensemble_bin(study, fname, tables, run_number, qlog)
+        except Exception as e:
+            logger.error(f"Failed to read results")
+            logger_exception(e)
+            return None
+
+        return True
+
+    def get_ensemble_empty_results(self, study, repertory, name=None):
+        return Results(
+            study=study,
+            solver=self,
+            repertory=repertory,
+            name=name,
+            is_ensemble=True,
+        )
+
 
 class MageFake7(Mage8):
     _type = "mage_fake7"

src/Solver/Solvers.py

@@ -1,5 +1,5 @@
 # Solvers.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/View/About/Window.py

@@ -1,5 +1,5 @@
 # Window.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by

src/View/BoundaryCondition/Edit/GenerateDialog.py

@@ -1,5 +1,5 @@
 # GenerateDialog.py -- Pamhyr
-# Copyright (C) 2023-2025  INRAE
+# Copyright (C) 2023-2026  INRAE
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by