# *************************************************************************** # * Copyright (c) 2016 Bernd Hahnebach * # * * # * This file is part of the FreeCAD CAx development system. * # * * # * 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__ = "FreeCAD FEM mesh gmsh task panel for the document object" __author__ = "Bernd Hahnebach" __url__ = "https://www.freecad.org" ## @package task_mesh_gmsh # \ingroup FEM # \brief task panel for mesh gmsh object import sys import time from PySide import QtCore from PySide import QtGui from PySide.QtCore import Qt from PySide.QtGui import QApplication import FreeCAD import FreeCADGui import FemGui from femobjects import mesh_gmsh from femtools.femutils import is_of_type class _TaskPanel: """ The TaskPanel for editing References property of MeshGmsh objects and creation of new FEM mesh """ def __init__(self, obj): self.mesh_obj = obj self.form = FreeCADGui.PySideUic.loadUi( FreeCAD.getHomePath() + "Mod/Fem/Resources/ui/MeshGmsh.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.form.cb_order, QtCore.SIGNAL("activated(int)"), self.choose_order ) QtCore.QObject.connect( self.Timer, QtCore.SIGNAL("timeout()"), self.update_timer_text ) QtCore.QObject.connect( self.form.pb_get_gmsh_version, QtCore.SIGNAL("clicked()"), self.get_gmsh_version ) self.form.cb_dimension.addItems( mesh_gmsh.MeshGmsh.known_element_dimensions ) self.form.cb_order.addItems( mesh_gmsh.MeshGmsh.known_element_orders ) self.get_mesh_params() self.get_active_analysis() self.update() def getStandardButtons(self): button_value = int( QtGui.QDialogButtonBox.Ok | QtGui.QDialogButtonBox.Apply | QtGui.QDialogButtonBox.Cancel ) return button_value # 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() self.mesh_obj.ViewObject.Document.resetEdit() self.mesh_obj.Document.recompute() return True def reject(self): self.mesh_obj.ViewObject.Document.resetEdit() self.mesh_obj.Document.recompute() self.Timer.stop() 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 self.order = self.mesh_obj.ElementOrder def set_mesh_params(self): self.mesh_obj.CharacteristicLengthMax = self.clmax self.mesh_obj.CharacteristicLengthMin = self.clmin self.mesh_obj.ElementDimension = self.dimension self.mesh_obj.ElementOrder = self.order 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) index_order = self.form.cb_order.findText(self.order) self.form.cb_order.setCurrentIndex(index_order) def console_log(self, message="", color="#000000"): self.console_message_gmsh = self.console_message_gmsh + ( '{0:4.1f}: {2}
' .format(time.time() - self.Start, color, message) ) self.form.te_output.setText(self.console_message_gmsh) self.form.te_output.moveCursor(QtGui.QTextCursor.End) def update_timer_text(self): # FreeCAD.Console.PrintMessage("timer1\n") if self.gmsh_runs: FreeCAD.Console.PrintMessage("timer2\n") # FreeCAD.Console.PrintMessage("Time: {0:4.1f}: \n".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 choose_order(self, index): if index < 0: return self.form.cb_order.setCurrentIndex(index) self.order = str(self.form.cb_order.itemText(index)) # form returns unicode def get_gmsh_version(self): from femmesh import gmshtools version, full_message = gmshtools.GmshTools(self.mesh_obj, self.analysis).get_gmsh_version() if version[0] and version[1] and version[2]: messagebox = QtGui.QMessageBox.information else: messagebox = QtGui.QMessageBox.warning messagebox( None, "Gmsh - Information", full_message ) def run_gmsh(self): from femmesh import gmshtools gmsh_mesh = gmshtools.GmshTools(self.mesh_obj, self.analysis) QApplication.setOverrideCursor(Qt.WaitCursor) part = self.mesh_obj.Part if ( self.mesh_obj.MeshRegionList and part.Shape.ShapeType == "Compound" and ( is_of_type(part, "FeatureBooleanFragments") or is_of_type(part, "FeatureSlice") or is_of_type(part, "FeatureXOR") ) ): gmsh_mesh.outputCompoundWarning() 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 are going to start ...") self.get_active_analysis() self.console_log("Start Gmsh ...") error = "" try: error = gmsh_mesh.create_mesh() except Exception: error = sys.exc_info()[1] FreeCAD.Console.PrintError( "Unexpected error when creating mesh: {}\n" .format(error) ) if error: FreeCAD.Console.PrintWarning("Gmsh had warnings:\n") FreeCAD.Console.PrintWarning("{}\n".format(error)) self.console_log("Gmsh had warnings ...") self.console_log(error, "#FF0000") else: FreeCAD.Console.PrintMessage("Clean run of Gmsh\n") 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): analysis = FemGui.getActiveAnalysis() if not analysis: FreeCAD.Console.PrintLog("No active analysis, means no group meshing.\n") self.analysis = None # no group meshing else: for m in analysis.Group: if m.Name == self.mesh_obj.Name: FreeCAD.Console.PrintLog( "Active analysis found: {}\n" .format(analysis.Name) ) self.analysis = analysis # group meshing break else: FreeCAD.Console.PrintLog( "Mesh is not member of active analysis, means no group meshing.\n" ) self.analysis = None # no group meshing return