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