270 lines
11 KiB
Python
270 lines
11 KiB
Python
#***************************************************************************
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#* *
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#* Copyright (c) 2013 - Juergen Riegel <FreeCAD@juergen-riegel.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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import FreeCAD
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if FreeCAD.GuiUp:
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import FreeCADGui
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import FemGui
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from PySide import QtGui
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from PySide import QtCore
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__title__ = "Machine-Distortion FemSetGeometryObject managment"
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__author__ = "Juergen Riegel"
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__url__ = "http://www.freecadweb.org"
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def makeMechanicalMaterial(name):
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'''makeMaterial(name): makes an Material
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name there fore is a material name or an file name for a FCMat file'''
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obj = FreeCAD.ActiveDocument.addObject("App::MaterialObjectPython", name)
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_MechanicalMaterial(obj)
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_ViewProviderMechanicalMaterial(obj.ViewObject)
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# FreeCAD.ActiveDocument.recompute()
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return obj
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class _CommandMechanicalMaterial:
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"the Fem Material command definition"
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def GetResources(self):
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return {'Pixmap': 'Fem_Material',
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'MenuText': QtCore.QT_TRANSLATE_NOOP("Fem_Material", "Mechanical material..."),
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'Accel': "M, M",
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'ToolTip': QtCore.QT_TRANSLATE_NOOP("Fem_Material", "Creates or edit the mechanical material definition.")}
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def Activated(self):
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MatObj = None
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for i in FemGui.getActiveAnalysis().Member:
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if i.isDerivedFrom("App::MaterialObject"):
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MatObj = i
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if (not MatObj):
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FreeCAD.ActiveDocument.openTransaction("Create Material")
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FreeCADGui.addModule("MechanicalMaterial")
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FreeCADGui.doCommand("MechanicalMaterial.makeMechanicalMaterial('MechanicalMaterial')")
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FreeCADGui.doCommand("App.activeDocument()." + FemGui.getActiveAnalysis().Name + ".Member = App.activeDocument()." + FemGui.getActiveAnalysis().Name + ".Member + [App.ActiveDocument.ActiveObject]")
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FreeCADGui.doCommand("Gui.activeDocument().setEdit(App.ActiveDocument.ActiveObject.Name,0)")
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# FreeCADGui.doCommand("Fem.makeMaterial()")
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else:
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FreeCADGui.doCommand("Gui.activeDocument().setEdit('" + MatObj.Name + "',0)")
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def IsActive(self):
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if FemGui.getActiveAnalysis():
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return True
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else:
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return False
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class _MechanicalMaterial:
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"The Material object"
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def __init__(self, obj):
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self.Type = "MechanicaltMaterial"
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obj.Proxy = self
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# obj.Material = StartMat
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def execute(self, obj):
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return
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class _ViewProviderMechanicalMaterial:
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"A View Provider for the MechanicalMaterial 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_Material.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):
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taskd = _MechanicalMaterialTaskPanel(self.Object)
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taskd.obj = vobj.Object
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FreeCADGui.Control.showDialog(taskd)
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return True
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def unsetEdit(self, vobj, mode):
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FreeCADGui.Control.closeDialog()
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return
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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 _MechanicalMaterialTaskPanel:
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'''The editmode TaskPanel for MechanicalMaterial objects'''
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def __init__(self, obj):
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self.obj = obj
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self.form = FreeCADGui.PySideUic.loadUi(FreeCAD.getHomePath() + "Mod/Fem/MechanicalMaterial.ui")
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QtCore.QObject.connect(self.form.pushButton_MatWeb, QtCore.SIGNAL("clicked()"), self.goMatWeb)
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QtCore.QObject.connect(self.form.cb_materials, QtCore.SIGNAL("activated(int)"), self.choose_material)
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QtCore.QObject.connect(self.form.input_fd_young_modulus, QtCore.SIGNAL("valueChanged(double)"), self.ym_changed)
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QtCore.QObject.connect(self.form.spinBox_poisson_ratio, QtCore.SIGNAL("valueChanged(double)"), self.pr_changed)
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self.previous_material = self.obj.Material
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self.import_materials()
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previous_mat_path = self.get_material_path(self.previous_material)
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if not previous_mat_path:
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print "Previously used material cannot be found in material directories. Using transient material."
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material_name = self.get_material_name(self.previous_material)
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if material_name != 'None':
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self.add_transient_material(self.previous_material)
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index = self.form.cb_materials.findData(material_name)
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else:
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index = self.form.cb_materials.findText(material_name)
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self.choose_material(index)
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else:
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index = self.form.cb_materials.findData(previous_mat_path)
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self.choose_material(index)
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def accept(self):
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FreeCADGui.ActiveDocument.resetEdit()
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def reject(self):
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self.obj.Material = self.previous_material
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print "Reverting to material:"
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self.print_mat_data(self.previous_material)
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FreeCADGui.ActiveDocument.resetEdit()
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def goMatWeb(self):
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import webbrowser
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webbrowser.open("http://matweb.com")
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def ym_changed(self, value):
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import Units
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old_ym = Units.Quantity(self.obj.Material['YoungsModulus'])
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if old_ym != value:
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material = self.obj.Material
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# FreeCAD uses kPa internall for Stress
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material['YoungsModulus'] = unicode(value) + " kPa"
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self.obj.Material = material
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def pr_changed(self, value):
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import Units
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old_pr = Units.Quantity(self.obj.Material['PoissonRatio'])
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if old_pr != value:
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material = self.obj.Material
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material['PoissonRatio'] = unicode(value)
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self.obj.Material = material
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def choose_material(self, index):
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if index < 0:
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return
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mat_file_path = self.form.cb_materials.itemData(index)
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self.obj.Material = self.materials[mat_file_path]
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self.form.cb_materials.setCurrentIndex(index)
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self.set_mat_params_in_combo_box(self.obj.Material)
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gen_mat_desc = ""
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if 'Description' in self.obj.Material:
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gen_mat_desc = self.obj.Material['Description']
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self.form.l_mat_description.setText(gen_mat_desc)
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self.print_mat_data(self.obj.Material)
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def get_material_name(self, material):
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if 'Name' in self.previous_material:
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return self.previous_material['Name']
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else:
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return 'None'
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def get_material_path(self, material):
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for a_mat in self.materials:
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unmatched_items = set(self.materials[a_mat].items()) ^ set(material.items())
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if len(unmatched_items) == 0:
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return a_mat
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return ""
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def print_mat_data(self, matmap):
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print 'Material data:'
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print ' Name = {}'.format(self.get_material_name(matmap))
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if 'YoungsModulus' in matmap:
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print ' YM = ', matmap['YoungsModulus']
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if 'PoissonRatio' in matmap:
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print ' PR = ', matmap['PoissonRatio']
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def set_mat_params_in_combo_box(self, matmap):
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if 'YoungsModulus' in matmap:
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ym_new_unit = "MPa"
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ym = FreeCAD.Units.Quantity(matmap['YoungsModulus'])
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ym_with_new_unit = ym.getValueAs(ym_new_unit)
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self.form.input_fd_young_modulus.setText("{} {}".format(ym_with_new_unit, ym_new_unit))
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if 'PoissonRatio' in matmap:
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self.form.spinBox_poisson_ratio.setValue(float(matmap['PoissonRatio']))
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def add_transient_material(self, material):
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material_name = self.get_material_name(material)
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self.form.cb_materials.addItem(QtGui.QIcon(":/icons/help-browser.svg"), material_name, material_name)
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self.materials[material_name] = material
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def add_mat_dir(self, mat_dir, icon):
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import glob
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import os
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import Material
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mat_file_extension = ".FCMat"
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ext_len = len(mat_file_extension)
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dir_path_list = glob.glob(mat_dir + '/*' + mat_file_extension)
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self.pathList = self.pathList + dir_path_list
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material_name_list = []
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for a_path in dir_path_list:
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material_name = os.path.basename(a_path[:-ext_len])
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self.materials[a_path] = Material.importFCMat(a_path)
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material_name_list.append([material_name, a_path])
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material_name_list.sort()
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for mat in material_name_list:
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self.form.cb_materials.addItem(QtGui.QIcon(icon), mat[0], mat[1])
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def import_materials(self):
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self.materials = {}
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self.pathList = []
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self.form.cb_materials.clear()
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self.fem_preferences = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Fem")
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use_built_in_materials = self.fem_preferences.GetBool("UseBuiltInMaterials", True)
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if use_built_in_materials:
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system_mat_dir = FreeCAD.getResourceDir() + "/Mod/Material/StandardMaterial"
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self.add_mat_dir(system_mat_dir, ":/icons/freecad.svg")
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use_mat_from_config_dir = self.fem_preferences.GetBool("UseMaterialsFromConfigDir", True)
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if use_mat_from_config_dir:
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user_mat_dirname = FreeCAD.getUserAppDataDir() + "Materials"
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self.add_mat_dir(user_mat_dirname, ":/icons/preferences-general.svg")
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use_mat_from_custom_dir = self.fem_preferences.GetBool("UseMaterialsFromCustomDir", True)
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if use_mat_from_custom_dir:
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custom_mat_dir = self.fem_preferences.GetString("CustomMaterialsDir", "")
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self.add_mat_dir(custom_mat_dir, ":/icons/user.svg")
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if FreeCAD.GuiUp:
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FreeCADGui.addCommand('Fem_MechanicalMaterial', _CommandMechanicalMaterial())
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