Mesh: give choice to export only handwritten points in geometry, or all points with interpolated ones

src/View/Geometry/Translate.py

@@ -97,6 +97,15 @@ class GeometryTranslate(MainTranslate):
         self._dict["format_not_exportable"] = _translate(
             "Geometry", "The format of the file is not exportable."
         )
+        self._dict["export_options"] = _translate(
+            "Geometry", "Export options"
+        )
+        self._dict["export_options_text"] = _translate(
+            "Geometry", "Choose which cross-sections to export."
+        )
+        self._dict["export_interpolated_profiles"] = _translate(
+            "Geometry", "Export interpolated cross-sections"
+        )
         self._dict["update_rk_error"] = _translate(
             "Geometry",
             "RK update can't be executed."

src/View/Geometry/Window.py

@@ -739,7 +739,11 @@ class GeometryWindow(PamhyrWindow):
             suffix = Path(filename).suffix
             if suffix != "":
                 if suffix == ".st" or suffix == ".ST":
-                    self._export_to_file_st(filename[:-3])
+                    export_interpolated = self._ask_export_options()
+                    if export_interpolated is not None:
+                        self._export_to_file_st(
+                            filename[:-3], export_interpolated
+                        )
                 else:
                     # Warning popup when the format is not exportable
                     win = QtWidgets.QMessageBox()
@@ -750,16 +754,45 @@ class GeometryWindow(PamhyrWindow):
 
                     pass
             else:
-                self._export_to_file_st(filename)
+                export_interpolated = self._ask_export_options()
+                if export_interpolated is not None:
+                    self._export_to_file_st(filename, export_interpolated)
 
-    def _export_to_file_st(self, filename):
+    def _ask_export_options(self):
+        win = QtWidgets.QMessageBox(self)
+        win.setIcon(QtWidgets.QMessageBox.Question)
+        win.setWindowTitle(self._trad["export_options"])
+        win.setText(self._trad["export_options_text"])
+        win.setStandardButtons(
+            QtWidgets.QMessageBox.Ok | QtWidgets.QMessageBox.Cancel
+        )
+
+        export_interpolated = QCheckBox(
+            self._trad["export_interpolated_profiles"], win
+        )
+        export_interpolated.setChecked(True)
+        win.setCheckBox(export_interpolated)
+
+        if win.exec() != QtWidgets.QMessageBox.Ok:
+            return None
+
+        return export_interpolated.isChecked()
+
+    def _export_to_file_st(self, filename, export_interpolated=True):
         with open(filename+".st", "w+") as f:
             f.write("# Exported from Pamhyr2\n")
-            self._export_to_file_st_reach(f, self._reach)
+            self._export_to_file_st_reach(
+                f, self._reach, export_interpolated
+            )
 
-    def _export_to_file_st_reach(self, wfile, reach):
+    def _export_to_file_st_reach(self, wfile, reach,
+                                 export_interpolated=True):
         pid = 0
         for profile in reach.profiles:
+            is_interpolated = profile.name.lower().startswith("interpol")
+            if is_interpolated and not export_interpolated:
+                continue
+
             self._export_to_file_st_profile(wfile, profile, pid)
             pid += 1