141 lines
5.7 KiB
C++
141 lines
5.7 KiB
C++
/***************************************************************************
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* Copyright (c) 2013 Jan Rheinländer *
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* <jrheinlaender@users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library 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 library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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#include <BRepAdaptor_Curve.hxx>
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#include <BRepAdaptor_Surface.hxx>
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#include <TopoDS.hxx>
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#endif
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#include <Mod/Part/App/PartFeature.h>
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#include "FemConstraintBearing.h"
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#include "FemTools.h"
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using namespace Fem;
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PROPERTY_SOURCE(Fem::ConstraintBearing, Fem::Constraint)
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ConstraintBearing::ConstraintBearing()
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{
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ADD_PROPERTY_TYPE(Location,
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(nullptr),
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"ConstraintBearing",
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(App::PropertyType)(App::Prop_None),
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"Element giving axial location of constraint");
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ADD_PROPERTY(Dist, (0.0));
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ADD_PROPERTY(AxialFree, (0));
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ADD_PROPERTY(Radius, (0.0));
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ADD_PROPERTY(Height, (0.0));
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ADD_PROPERTY_TYPE(BasePoint,
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(Base::Vector3d(0, 0, 0)),
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"ConstraintBearing",
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App::PropertyType(App::Prop_ReadOnly | App::Prop_Output),
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"Base point of cylindrical bearing seat");
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ADD_PROPERTY_TYPE(Axis,
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(Base::Vector3d(0, 1, 0)),
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"ConstraintBearing",
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App::PropertyType(App::Prop_ReadOnly | App::Prop_Output),
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"Axis of bearing seat");
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}
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App::DocumentObjectExecReturn* ConstraintBearing::execute()
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{
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return Constraint::execute();
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}
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void ConstraintBearing::onChanged(const App::Property* prop)
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{
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// Note: If we call this at the end, then the symbol is not oriented correctly initially
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// because the NormalDirection has not been calculated yet
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Constraint::onChanged(prop);
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if (prop == &References) {
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// Find data of cylinder
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std::vector<App::DocumentObject*> ref = References.getValues();
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std::vector<std::string> subRef = References.getSubValues();
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if (ref.empty()) {
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return;
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}
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Part::Feature* feat = static_cast<Part::Feature*>(ref.front());
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TopoDS_Shape sh = Tools::getFeatureSubShape(feat, subRef.front().c_str(), true);
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double radius, height;
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Base::Vector3d base, axis;
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if (!Tools::getCylinderParams(sh, base, axis, height, radius)) {
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return;
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}
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Radius.setValue(radius);
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Axis.setValue(axis);
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Height.setValue(height);
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// Update base point
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base = base + axis * height / 2;
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if (Location.getValue()) {
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base = getBasePoint(base, axis, Location, Dist.getValue());
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}
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BasePoint.setValue(base);
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BasePoint.touch(); // This triggers ViewProvider::updateData()
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}
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else if ((prop == &Location) || (prop == &Dist)) {
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App::DocumentObject* obj = Location.getValue();
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std::vector<std::string> names = Location.getSubValues();
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if (names.empty()) {
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return;
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}
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std::string subName = names.front();
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Part::Feature* feat = static_cast<Part::Feature*>(obj);
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TopoDS_Shape sh = feat->Shape.getShape().getSubShape(subName.c_str());
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if (sh.ShapeType() == TopAbs_FACE) {
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BRepAdaptor_Surface surface(TopoDS::Face(sh));
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if (surface.GetType() != GeomAbs_Plane) {
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return; // "Location must be a planar face or linear edge"
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}
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}
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else if (sh.ShapeType() == TopAbs_EDGE) {
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BRepAdaptor_Curve line(TopoDS::Edge(sh));
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if (line.GetType() != GeomAbs_Line) {
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return; // "Location must be a planar face or linear edge"
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}
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}
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std::vector<App::DocumentObject*> ref = References.getValues();
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std::vector<std::string> subRef = References.getSubValues();
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if (ref.empty()) {
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return;
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}
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feat = static_cast<Part::Feature*>(ref.front());
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sh = Tools::getFeatureSubShape(feat, subRef.front().c_str(), true);
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double radius, height;
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Base::Vector3d base, axis;
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if (!Tools::getCylinderParams(sh, base, axis, height, radius)) {
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return;
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}
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BasePoint.setValue(base);
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BasePoint.touch();
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}
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}
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