162 lines
6.5 KiB
Python
162 lines
6.5 KiB
Python
# ***************************************************************************
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# * *
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# * Copyright (c) 2017 - Johannes Hartung <j.hartung@gmx.net> *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * This program is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this program; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************
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from __future__ import print_function
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__title__ = "FreeCAD Fenics mesh reader and writer"
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__author__ = "Johannes Hartung"
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__url__ = "http://www.freecadweb.org"
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## @package importFenicsMesh
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# \ingroup FEM
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# \brief FreeCAD Fenics Mesh reader and writer for FEM workbench
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from PySide import QtGui, QtCore
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import FreeCAD
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import FreeCADGui
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import importToolsFem
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import os
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import readFenicsXML
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import writeFenicsXML
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import writeFenicsXDMF
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# Template copied from importZ88Mesh.py. Thanks Bernd!
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########## generic FreeCAD import and export methods ##########
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if open.__module__ == '__builtin__':
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# because we'll redefine open below (Python2)
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pyopen = open
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elif open.__module__ == 'io':
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# because we'll redefine open below (Python3)
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pyopen = open
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class WriteXDMFTaskPanel:
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"""
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This task panel is used to write mesh groups with user defined values.
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It will called if there are mesh groups detected. Else it will be bypassed.
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"""
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def __init__(self, fem_mesh_obj, fileString):
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self.form = FreeCADGui.PySideUic.loadUi(FreeCAD.getHomePath() + "Mod/Fem/PyGui/TaskPanelFemMeshGroupXDMFExport.ui")
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self.result_dict = {}
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self.fem_mesh_obj = fem_mesh_obj
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self.fileString = fileString
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self.convert_fem_mesh_obj_to_table()
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def convert_fem_mesh_obj_to_table(self):
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def ro(item):
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item.setFlags(~QtCore.Qt.ItemIsEditable & ~QtCore.Qt.ItemIsEnabled)
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return item
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gmshgroups = importToolsFem.get_FemMeshObjectMeshGroups(self.fem_mesh_obj)
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fem_mesh = self.fem_mesh_obj.FemMesh
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self.form.tableGroups.setRowCount(0)
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self.form.tableGroups.setRowCount(len(gmshgroups))
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for (ind, gind) in enumerate(gmshgroups):
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# group number
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self.form.tableGroups.setItem(ind, 0, ro(QtGui.QTableWidgetItem(str(gind))))
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# group name
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self.form.tableGroups.setItem(ind, 1, ro(QtGui.QTableWidgetItem(fem_mesh.getGroupName(gind))))
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# group elements
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self.form.tableGroups.setItem(ind, 2, ro(QtGui.QTableWidgetItem(fem_mesh.getGroupElementType(gind))))
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# default value for not marked elements
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self.form.tableGroups.setItem(ind, 3, QtGui.QTableWidgetItem(str(-1)))
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# default value for marked elements
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self.form.tableGroups.setItem(ind, 4, QtGui.QTableWidgetItem(str(gind)))
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def convert_table_to_group_dict(self):
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group_values_dict = {}
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num_rows = self.form.tableGroups.rowCount()
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for r in range(num_rows):
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g = int(self.form.tableGroups.item(r, 0).text())
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default_value = int(self.form.tableGroups.item(r, 3).text())
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marked_value = int(self.form.tableGroups.item(r, 4).text())
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group_values_dict[g] = (marked_value, default_value)
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return group_values_dict
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def accept(self):
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group_values_dict = self.convert_table_to_group_dict()
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writeFenicsXDMF.write_fenics_mesh_xdmf(self.fem_mesh_obj, self.fileString, group_values_dict=group_values_dict)
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FreeCADGui.Control.closeDialog()
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def open(filename):
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"called when freecad opens a file"
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docname = os.path.splitext(os.path.basename(filename))[0]
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insert(filename, docname)
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def insert(filename, docname):
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"called when freecad wants to import a file"
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try:
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doc = FreeCAD.getDocument(docname)
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except NameError:
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doc = FreeCAD.newDocument(docname)
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FreeCAD.ActiveDocument = doc
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import_fenics_mesh(filename)
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def export(objectslist, fileString):
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"called when freecad exports a file"
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if len(objectslist) != 1:
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FreeCAD.Console.PrintError("This exporter can only export one object.\n")
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return
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obj = objectslist[0]
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if not obj.isDerivedFrom("Fem::FemMeshObject"):
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FreeCAD.Console.PrintError("No FEM mesh object selected.\n")
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return
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if fileString != "":
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fileName, fileExtension = os.path.splitext(fileString)
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if fileExtension.lower() == '.xml':
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writeFenicsXML.write_fenics_mesh_xml(obj, fileString)
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elif fileExtension.lower() == '.xdmf':
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if importToolsFem.get_FemMeshObjectMeshGroups(obj) is not ():
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# if there are groups found, make task panel available
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panel = WriteXDMFTaskPanel(obj, fileString)
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FreeCADGui.Control.showDialog(panel)
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else:
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writeFenicsXDMF.write_fenics_mesh_xdmf(obj, fileString)
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def import_fenics_mesh(filename, analysis=None):
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'''insert a FreeCAD FEM Mesh object in the ActiveDocument
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'''
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mesh_data = readFenicsXML.read_fenics_mesh_xml(filename)
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# xdmf not operational
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mesh_name = os.path.basename(os.path.splitext(filename)[0])
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femmesh = importToolsFem.make_femmesh(mesh_data)
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if femmesh:
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mesh_object = FreeCAD.ActiveDocument.addObject('Fem::FemMeshObject', mesh_name)
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mesh_object.FemMesh = femmesh
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