339 lines
14 KiB
Python
339 lines
14 KiB
Python
# ***************************************************************************
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# * *
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# * Copyright (c) 2015 Bernd Hahnebach <bernd@bimstatik.org> *
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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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__title__ = "FreeCAD FEM solver calculix ViewProvider for the document object"
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__author__ = "Bernd Hahnebach"
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__url__ = "http://www.freecadweb.org"
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## @package ViewProviderFemSolverCalculix
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# \ingroup FEM
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# \brief FreeCAD FEM _ViewProviderFemSolverCalculix
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import FreeCAD
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import FreeCADGui
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import FemGui
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# for the panel
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from PySide import QtCore
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from PySide import QtGui
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from PySide.QtCore import Qt
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from PySide.QtGui import QApplication
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import os
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import time
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import sys
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if sys.version_info.major >= 3:
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def unicode(text, *args):
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return str(text)
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class _ViewProviderFemSolverCalculix:
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"A View Provider for the FemSolverCalculix object"
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def __init__(self, vobj):
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vobj.Proxy = self
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def getIcon(self):
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return ":/icons/fem-solver-standard.svg"
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def attach(self, vobj):
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self.ViewObject = vobj
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self.Object = vobj.Object
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def updateData(self, obj, prop):
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return
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def onChanged(self, vobj, prop):
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return
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def setEdit(self, vobj, mode=0):
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taskd = _TaskPanelFemSolverCalculix(self.Object)
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FreeCADGui.Control.showDialog(taskd)
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return True
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def unsetEdit(self, vobj, mode=0):
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FreeCADGui.Control.closeDialog()
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return True
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def doubleClicked(self, vobj):
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doc = FreeCADGui.getDocument(vobj.Object.Document)
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if not doc.getInEdit():
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doc.setEdit(vobj.Object.Name)
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else:
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from PySide.QtGui import QMessageBox
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message = 'Active Task Dialog found! Please close this one before opening a new one!'
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QMessageBox.critical(None, "Error in tree view", message)
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FreeCAD.Console.PrintError(message + '\n')
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return True
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def __getstate__(self):
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return None
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def __setstate__(self, state):
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return None
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class _TaskPanelFemSolverCalculix:
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'''The TaskPanel for CalculiX ccx tools solver object'''
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def __init__(self, solver_object):
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self.form = FreeCADGui.PySideUic.loadUi(FreeCAD.getHomePath() + "Mod/Fem/Resources/ui/SolverCalculix.ui")
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from femtools.ccxtools import CcxTools as ccx
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# we do not need to pass the analysis, it will be found on fea init
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self.fea = ccx(solver_object)
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self.fea.setup_working_dir()
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self.fea.setup_ccx()
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self.Calculix = QtCore.QProcess()
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self.Timer = QtCore.QTimer()
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self.Timer.start(300)
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self.fem_console_message = ''
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# Connect Signals and Slots
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QtCore.QObject.connect(self.form.tb_choose_working_dir, QtCore.SIGNAL("clicked()"), self.choose_working_dir)
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QtCore.QObject.connect(self.form.pb_write_inp, QtCore.SIGNAL("clicked()"), self.write_input_file_handler)
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QtCore.QObject.connect(self.form.pb_edit_inp, QtCore.SIGNAL("clicked()"), self.editCalculixInputFile)
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QtCore.QObject.connect(self.form.pb_run_ccx, QtCore.SIGNAL("clicked()"), self.runCalculix)
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QtCore.QObject.connect(self.form.rb_static_analysis, QtCore.SIGNAL("clicked()"), self.select_static_analysis)
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QtCore.QObject.connect(self.form.rb_frequency_analysis, QtCore.SIGNAL("clicked()"), self.select_frequency_analysis)
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QtCore.QObject.connect(self.form.rb_thermomech_analysis, QtCore.SIGNAL("clicked()"), self.select_thermomech_analysis)
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QtCore.QObject.connect(self.form.rb_check_mesh, QtCore.SIGNAL("clicked()"), self.select_check_mesh)
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QtCore.QObject.connect(self.Calculix, QtCore.SIGNAL("started()"), self.calculixStarted)
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QtCore.QObject.connect(self.Calculix, QtCore.SIGNAL("stateChanged(QProcess::ProcessState)"), self.calculixStateChanged)
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QtCore.QObject.connect(self.Calculix, QtCore.SIGNAL("error(QProcess::ProcessError)"), self.calculixError)
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QtCore.QObject.connect(self.Calculix, QtCore.SIGNAL("finished(int)"), self.calculixFinished)
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QtCore.QObject.connect(self.Timer, QtCore.SIGNAL("timeout()"), self.UpdateText)
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self.update()
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def getStandardButtons(self):
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# only show a close button
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# def accept() in no longer needed, since there is no OK button
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return int(QtGui.QDialogButtonBox.Close)
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def reject(self):
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FreeCADGui.ActiveDocument.resetEdit()
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def update(self):
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'fills the widgets'
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self.form.le_working_dir.setText(self.fea.working_dir)
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if self.fea.solver.AnalysisType == 'static':
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self.form.rb_static_analysis.setChecked(True)
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elif self.fea.solver.AnalysisType == 'frequency':
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self.form.rb_frequency_analysis.setChecked(True)
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elif self.fea.solver.AnalysisType == 'thermomech':
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self.form.rb_thermomech_analysis.setChecked(True)
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elif self.fea.solver.AnalysisType == 'check':
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self.form.rb_check_mesh.setChecked(True)
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return
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def femConsoleMessage(self, message="", color="#000000"):
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if sys.version_info.major < 3:
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message = message.encode("utf-8", "replace")
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self.fem_console_message = self.fem_console_message + '<font color="#0000FF">{0:4.1f}:</font> <font color="{1}">{2}</font><br>'.\
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format(time.time() - self.Start, color, message)
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self.form.textEdit_Output.setText(self.fem_console_message)
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self.form.textEdit_Output.moveCursor(QtGui.QTextCursor.End)
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def printCalculiXstdout(self):
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out = self.Calculix.readAllStandardOutput()
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if out.isEmpty():
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self.femConsoleMessage("CalculiX stdout is empty", "#FF0000")
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else:
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try:
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out = unicode(out, 'utf-8', 'replace')
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rx = QtCore.QRegExp("\\*ERROR.*\\n\\n")
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print(rx)
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rx.setMinimal(True)
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pos = rx.indexIn(out)
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while not pos < 0:
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match = rx.cap(0)
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FreeCAD.Console.PrintError(match.strip().replace('\n', ' ') + '\n')
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pos = rx.indexIn(out, pos + 1)
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out = os.linesep.join([s for s in out.splitlines() if s])
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self.femConsoleMessage(out.replace('\n', '<br>'))
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except UnicodeDecodeError:
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self.femConsoleMessage("Error converting stdout from CalculiX", "#FF0000")
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if '*ERROR in e_c3d: nonpositive jacobian' in out:
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error_message = (
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"\n\nCalculiX returned an error due to "
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"nonpositive jacobian determinant in at least one element\n"
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"Use the run button on selected solver to get a better error output.\n"
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)
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FreeCAD.Console.PrintError(error_message)
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if '*ERROR' in out:
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return False
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else:
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return True
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def UpdateText(self):
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if(self.Calculix.state() == QtCore.QProcess.ProcessState.Running):
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self.form.l_time.setText('Time: {0:4.1f}: '.format(time.time() - self.Start))
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def calculixError(self, error=''):
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print("Error() {}".format(error))
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self.femConsoleMessage("CalculiX execute error: {}".format(error), "#FF0000")
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def calculixNoError(self):
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print("CalculiX done without error!")
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self.femConsoleMessage("CalculiX done without error!", "#00AA00")
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def calculixStarted(self):
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print("calculixStarted()")
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print(self.Calculix.state())
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self.form.pb_run_ccx.setText("Break CalculiX")
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def calculixStateChanged(self, newState):
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if (newState == QtCore.QProcess.ProcessState.Starting):
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self.femConsoleMessage("Starting CalculiX...")
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if (newState == QtCore.QProcess.ProcessState.Running):
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self.femConsoleMessage("CalculiX is running...")
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if (newState == QtCore.QProcess.ProcessState.NotRunning):
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self.femConsoleMessage("CalculiX stopped.")
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def calculixFinished(self, exitCode):
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print("calculixFinished() {}".format(exitCode))
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print(self.Calculix.state())
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# Restore previous cwd
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QtCore.QDir.setCurrent(self.cwd)
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self.Timer.stop()
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if self.printCalculiXstdout():
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self.calculixNoError()
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else:
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self.calculixError()
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self.form.pb_run_ccx.setText("Re-run CalculiX")
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self.femConsoleMessage("Loading result sets...")
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self.form.l_time.setText('Time: {0:4.1f}: '.format(time.time() - self.Start))
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self.fea.reset_mesh_purge_results_checked()
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self.fea.inp_file_name = self.fea.inp_file_name
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QApplication.setOverrideCursor(Qt.WaitCursor)
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try:
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self.fea.load_results()
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except:
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QApplication.restoreOverrideCursor()
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majorVersion, minorVersion = self.fea.get_ccx_version()
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if majorVersion == 2 and minorVersion <= 10:
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message = "The used CalculiX version {}.{} creates broken output files.\n" \
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"Please upgrade to a newer version.".format(majorVersion, minorVersion)
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QtGui.QMessageBox.warning(None, "Upgrade CalculiX", message)
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raise
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else:
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QApplication.restoreOverrideCursor()
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self.form.l_time.setText('Time: {0:4.1f}: '.format(time.time() - self.Start))
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def choose_working_dir(self):
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wd = QtGui.QFileDialog.getExistingDirectory(None, 'Choose CalculiX working directory',
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self.fea.working_dir)
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if os.path.isdir(wd):
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self.fea.setup_working_dir(wd)
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self.form.le_working_dir.setText(self.fea.working_dir)
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def write_input_file_handler(self):
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self.Start = time.time()
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self.form.l_time.setText('Time: {0:4.1f}: '.format(time.time() - self.Start))
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QApplication.restoreOverrideCursor()
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if self.check_prerequisites_helper():
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QApplication.setOverrideCursor(Qt.WaitCursor)
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self.fea.write_inp_file()
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if self.fea.inp_file_name != "":
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self.femConsoleMessage("Write completed.")
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self.form.pb_edit_inp.setEnabled(True)
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self.form.pb_run_ccx.setEnabled(True)
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else:
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self.femConsoleMessage("Write .inp file failed!", "#FF0000")
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QApplication.restoreOverrideCursor()
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self.form.l_time.setText('Time: {0:4.1f}: '.format(time.time() - self.Start))
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def check_prerequisites_helper(self):
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self.Start = time.time()
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self.femConsoleMessage("Check dependencies...")
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self.form.l_time.setText('Time: {0:4.1f}: '.format(time.time() - self.Start))
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self.fea.update_objects()
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message = self.fea.check_prerequisites()
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if message != "":
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QtGui.QMessageBox.critical(None, "Missing prerequisite(s)", message)
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return False
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return True
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def start_ext_editor(self, ext_editor_path, filename):
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if not hasattr(self, "ext_editor_process"):
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self.ext_editor_process = QtCore.QProcess()
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if self.ext_editor_process.state() != QtCore.QProcess.Running:
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self.ext_editor_process.start(ext_editor_path, [filename])
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def editCalculixInputFile(self):
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print('editCalculixInputFile {}'.format(self.fea.inp_file_name))
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ccx_prefs = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Fem/Ccx")
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if ccx_prefs.GetBool("UseInternalEditor", True):
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FemGui.open(self.fea.inp_file_name)
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else:
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ext_editor_path = ccx_prefs.GetString("ExternalEditorPath", "")
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if ext_editor_path:
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self.start_ext_editor(ext_editor_path, self.fea.inp_file_name)
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else:
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print("External editor is not defined in FEM preferences. Falling back to internal editor")
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FemGui.open(self.fea.inp_file_name)
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def runCalculix(self):
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print('runCalculix')
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self.Start = time.time()
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self.femConsoleMessage("CalculiX binary: {}".format(self.fea.ccx_binary))
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self.femConsoleMessage("Run CalculiX...")
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# run Calculix
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print('run CalculiX at: {} with: {}'.format(self.fea.ccx_binary, os.path.splitext(self.fea.inp_file_name)[0]))
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# change cwd because ccx may crash if directory has no write permission
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# there is also a limit of the length of file names so jump to the document directory
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self.cwd = QtCore.QDir.currentPath()
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fi = QtCore.QFileInfo(self.fea.inp_file_name)
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QtCore.QDir.setCurrent(fi.path())
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self.Calculix.start(self.fea.ccx_binary, ['-i', fi.baseName()])
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QApplication.restoreOverrideCursor()
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def select_analysis_type(self, analysis_type):
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if self.fea.solver.AnalysisType != analysis_type:
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self.fea.solver.AnalysisType = analysis_type
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self.form.pb_edit_inp.setEnabled(False)
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self.form.pb_run_ccx.setEnabled(False)
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def select_static_analysis(self):
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self.select_analysis_type('static')
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def select_frequency_analysis(self):
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self.select_analysis_type('frequency')
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def select_thermomech_analysis(self):
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self.select_analysis_type('thermomech')
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def select_check_mesh(self):
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self.select_analysis_type('check')
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