Files
create/src/Mod/Fem/_TaskPanelFemMeshGmsh.py

177 lines
8.1 KiB
Python

# ***************************************************************************
# * *
# * Copyright (c) 2016 - Bernd Hahnebach <bernd@bimstatik.org> *
# * *
# * This program is free software; you can redistribute it and/or modify *
# * it under the terms of the GNU Lesser General Public License (LGPL) *
# * as published by the Free Software Foundation; either version 2 of *
# * the License, or (at your option) any later version. *
# * for detail see the LICENCE text file. *
# * *
# * 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 Library General Public License for more details. *
# * *
# * You should have received a copy of the GNU Library General Public *
# * License along with this program; if not, write to the Free Software *
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
# * USA *
# * *
# ***************************************************************************
__title__ = "_TaskPanelFemMeshGmsh"
__author__ = "Bernd Hahnebach"
__url__ = "http://www.freecadweb.org"
## @package TaskPanelFemMeshGmsh
# \ingroup FEM
import FreeCAD
import time
import _FemMeshGmsh
import FreeCADGui
from PySide import QtGui
from PySide import QtCore
from PySide.QtCore import Qt
from PySide.QtGui import QApplication
class _TaskPanelFemMeshGmsh:
'''The TaskPanel for editing References property of FemMeshGmsh objects and creation of new FEM mesh'''
def __init__(self, obj):
self.mesh_obj = obj
self.form = FreeCADGui.PySideUic.loadUi(FreeCAD.getHomePath() + "Mod/Fem/TaskPanelFemMeshGmsh.ui")
self.Timer = QtCore.QTimer()
self.Timer.start(100) # 100 milli seconds
self.gmsh_runs = False
self.console_message_gmsh = ''
QtCore.QObject.connect(self.form.if_max, QtCore.SIGNAL("valueChanged(Base::Quantity)"), self.max_changed)
QtCore.QObject.connect(self.form.if_min, QtCore.SIGNAL("valueChanged(Base::Quantity)"), self.min_changed)
QtCore.QObject.connect(self.form.cb_dimension, QtCore.SIGNAL("activated(int)"), self.choose_dimension)
QtCore.QObject.connect(self.Timer, QtCore.SIGNAL("timeout()"), self.update_timer_text)
self.form.cb_dimension.addItems(_FemMeshGmsh._FemMeshGmsh.known_element_dimensions)
self.get_mesh_params()
self.get_active_analysis()
self.update()
def getStandardButtons(self):
return int(QtGui.QDialogButtonBox.Ok | QtGui.QDialogButtonBox.Apply | QtGui.QDialogButtonBox.Cancel)
# show a OK, a apply and a Cancel button
# def reject() is called on Cancel button
# def clicked(self, button) is needed, to access the apply button
def accept(self):
self.set_mesh_params()
FreeCADGui.ActiveDocument.resetEdit()
FreeCAD.ActiveDocument.recompute()
return True
def reject(self):
FreeCADGui.ActiveDocument.resetEdit()
FreeCAD.ActiveDocument.recompute()
return True
def clicked(self, button):
if button == QtGui.QDialogButtonBox.Apply:
self.set_mesh_params()
self.run_gmsh()
def get_mesh_params(self):
self.clmax = self.mesh_obj.CharacteristicLengthMax
self.clmin = self.mesh_obj.CharacteristicLengthMin
self.dimension = self.mesh_obj.ElementDimension
def set_mesh_params(self):
self.mesh_obj.CharacteristicLengthMax = self.clmax
self.mesh_obj.CharacteristicLengthMin = self.clmin
self.mesh_obj.ElementDimension = self.dimension
def update(self):
'fills the widgets'
self.form.if_max.setText(self.clmax.UserString)
self.form.if_min.setText(self.clmin.UserString)
index_dimension = self.form.cb_dimension.findText(self.dimension)
self.form.cb_dimension.setCurrentIndex(index_dimension)
def console_log(self, message="", color="#000000"):
self.console_message_gmsh = self.console_message_gmsh + '<font color="#0000FF">{0:4.1f}:</font> <font color="{1}">{2}</font><br>'.\
format(time.time() - self.Start, color, message.encode('utf-8', 'replace'))
self.form.te_output.setText(self.console_message_gmsh)
self.form.te_output.moveCursor(QtGui.QTextCursor.End)
def update_timer_text(self):
# print('timer1')
if self.gmsh_runs:
print('timer2')
# print('Time: {0:4.1f}: '.format(time.time() - self.Start))
self.form.l_time.setText('Time: {0:4.1f}: '.format(time.time() - self.Start))
def max_changed(self, base_quantity_value):
self.clmax = base_quantity_value
def min_changed(self, base_quantity_value):
self.clmin = base_quantity_value
def choose_dimension(self, index):
if index < 0:
return
self.form.cb_dimension.setCurrentIndex(index)
self.dimension = str(self.form.cb_dimension.itemText(index)) # form returns unicode
def run_gmsh(self):
QApplication.setOverrideCursor(Qt.WaitCursor)
partsh = self.obj.Part
if partsh.Shape.ShapeType == "Compound":
error_message = "The mesh to shape is a Compound, GMSH could return unexpected meshes for Compounds. It is strongly recommended to extract the shape to mesh from the Compound and use this one."
FreeCAD.Console.PrintError(error_message + "\n")
if hasattr(partsh, "Proxy") and (partsh.Proxy.Type == "FeatureBooleanFragments" or partsh.Proxy.Type == "FeatureSlice" or partsh.Proxy.Type == "FeatureXOR"): # other part obj might not have a Proxy
error_message = "The mesh to shape is a boolean split tools Compound, GMSH could return unexpected meshes for a boolean split tools Compound. It is strongly recommended to extract the shape to mesh from the Compound and use this one."
FreeCAD.Console.PrintError(error_message + "\n")
QtGui.QMessageBox.critical(None, "Shape to mesh is a Compound", error_message)
self.Start = time.time()
self.form.l_time.setText('Time: {0:4.1f}: '.format(time.time() - self.Start))
self.console_message_gmsh = ''
self.gmsh_runs = True
self.console_log("We gone start ...")
self.get_active_analysis()
import FemGmshTools
gmsh_mesh = FemGmshTools.FemGmshTools(self.obj, self.analysis)
self.console_log("Start GMSH ...")
error = ''
try:
error = gmsh_mesh.create_mesh()
except:
import sys
print("Unexpected error when creating mesh: ", sys.exc_info()[0])
if error:
print(error)
self.console_log('GMSH had warnings ...')
self.console_log(error, '#FF0000')
else:
self.console_log('Clean run of GMSH')
self.console_log("GMSH done!")
self.form.l_time.setText('Time: {0:4.1f}: '.format(time.time() - self.Start))
self.Timer.stop()
self.update()
QApplication.restoreOverrideCursor()
def get_active_analysis(self):
import FemGui
self.analysis = FemGui.getActiveAnalysis()
if self.analysis:
for m in FemGui.getActiveAnalysis().Member:
if m.Name == self.mesh_obj.Name:
print('Active analysis found: ' + self.analysis.Name)
return
else:
# print('Mesh is not member of active analysis, means no group meshing')
self.analysis = None # no group meshing
else:
# print('No active analyis, means no group meshing')
self.analysis = None # no group meshing