Pamhyr2/src/Model/Geometry/ProfileXYZ.py

216 lines
6.2 KiB
Python

# -*- coding: utf-8 -*-
import numpy as np
from typing import List
from Model.Geometry.Profile import Profile
from Model.Geometry.PointXYZ import PointXYZ
from Model.Geometry.Vector_1d import Vector1d
class ProfileXYZ(Profile):
def __init__(self, num: int = 0,
code1: int = 0, code2: int = 0,
nb_point: int = 0,
kp: float = 0., name: str = "",
reach = None):
"""ProfileXYZ constructor
Args:
num: The number of this profile
code1: The interpolation code 1
code2: The interpolation code 2
kp: Kilometer point
name: The name of profile
Returns:
Nothing.
"""
super(ProfileXYZ, self).__init__(
num = num,
name = name,
kp = kp,
code1 = code1, code2 = code2,
_type = "XYZ",
reach = reach,
)
def x(self):
return [point.x for point in self._points]
def y(self):
return [point.y for point in self._points]
def z(self):
return [point.z for point in self._points]
def names(self):
return [point.name for point in self._points]
def x_max(self):
return max(self.filter_isnan(self.x()))
def x_min(self):
return min(self.filter_isnan(self.x()))
def y_max(self):
return max(self.filter_isnan(self.y()))
def y_min(self):
return min(self.filter_isnan(self.y()))
def z_max(self):
return max(self.filter_isnan(self.z()))
def z_min(self):
return min(self.filter_isnan(self.z()))
def import_points(self, list_points: list):
"""Import a list of points to profile
Args:
list_points: Liste of PointXYZ
Returns:
Nothing.
"""
for point in list_points:
pt = PointXYZ(*point)
self._points.append(pt)
def get_point_i(self, index: int) -> PointXYZ:
"""Get point at index.
Args:
index: Index of point.
Returns:
The point.
"""
try:
return self._points[index]
except IndexError:
raise IndexError(f"Invalid point index: {index}")
def add(self):
"""Add a new PointXYZ to profile.
Returns:
Nothing.
"""
point_xyz = PointXYZ(0., 0., 0.)
self._points.append(point_xyz)
def insert(self, index: int):
"""Insert a new point at index.
Args:
index: The index of new profile.
Returns:
Nothing.
"""
point = PointXYZ(0., 0., 0.)
self._points.insert(index, point)
def filter_isnan(self, lst):
"""Returns the input list without 'nan' element
Args:
lst: The list to filter
Returns:
The list without 'nan'
"""
return [x for x in lst if not np.isnan(x)]
def _first_point_not_nan(self):
first_point = self._points[0]
for point in self._points:
if not point.is_nan():
first_point = point
break
return first_point
def _last_point_not_nan(self):
last_point = self._points[-1]
for point in self._points[::-1]:
if not point.is_nan():
last_point = point
break
return last_point
def get_station(self) -> np.ndarray:
"""Projection of the points of the profile on a plane.
Args:
profile: The profile
Returns:
Projection of the points of the profile on a plane.
"""
if self.nb_points < 3:
return np.array(np.nan)
else:
first_named_point = None
index_first_named_point = None
last_named_point = None
first_point_not_nan = self._first_point_not_nan()
last_point_not_nan = self._last_point_not_nan()
for index, point in enumerate(self._points):
if point.point_is_named():
index_first_named_point = index
first_named_point = point
break
for point in self._points[::-1]:
if point.point_is_named():
last_named_point = point
break
station = []
constant = 0.0
if (first_named_point is not None and
last_named_point is not None):
if (first_named_point != last_named_point and
first_named_point.x != last_named_point.x):
vector = Vector1d(first_named_point, last_named_point)
normalized_direction_vec = vector.normalized_direction_vector()
else:
vector = Vector1d(first_point_not_nan,
last_point_not_nan)
normalized_direction_vec = vector.normalized_direction_vector()
for point in self._points:
xi = point.x - first_named_point.x
yi = point.y - first_named_point.y
station_i = (normalized_direction_vec[0] * xi +
normalized_direction_vec[1] * yi)
station.append(station_i)
ret = np.array(station)
constant = ret[index_first_named_point]
elif first_named_point is None:
vector = Vector1d(first_point_not_nan,
last_point_not_nan)
normalized_direction_vec = vector.normalized_direction_vector()
for point in self._points:
xi = point.x - first_point_not_nan.x
yi = point.y - first_point_not_nan.y
station_i = (normalized_direction_vec[0] * xi +
normalized_direction_vec[1] * yi)
station.append(station_i)
ret = np.array(station)
index_profile_z_min = np.where(np.array(self.z) == self.z_min)[0][0]
constant = ret[index_profile_z_min]
return (ret - constant)