157 lines
5.3 KiB
C++
157 lines
5.3 KiB
C++
/***************************************************************************
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* Copyright (c) 2011 Juergen Riegel <FreeCAD@juergen-riegel.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 <Standard_Failure.hxx>
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# include <TopoDS_Solid.hxx>
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# include <TopExp_Explorer.hxx>
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# include <TopoDS.hxx>
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# include <BRep_Tool.hxx>
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# include <gp_Pnt.hxx>
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# include <gp_Pln.hxx>
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# include <BRepBuilderAPI_MakeFace.hxx>
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#endif
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#include <Base/Exception.h>
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#include "App/Document.h"
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#include "App/Plane.h"
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#include "Body.h"
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#include "Feature.h"
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#include "Mod/Part/App/DatumFeature.h"
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#include <Base/Console.h>
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namespace PartDesign {
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PROPERTY_SOURCE(PartDesign::Feature,Part::Feature)
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Feature::Feature()
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{
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ADD_PROPERTY(BaseFeature,(0));
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Placement.StatusBits.set(2, true);
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}
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short Feature::mustExecute() const
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{
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if (BaseFeature.isTouched())
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return 1;
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return Part::Feature::mustExecute();
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}
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TopoDS_Shape Feature::getSolid(const TopoDS_Shape& shape)
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{
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if (shape.IsNull())
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Standard_Failure::Raise("Shape is null");
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TopExp_Explorer xp;
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xp.Init(shape,TopAbs_SOLID);
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for (;xp.More(); xp.Next()) {
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return xp.Current();
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}
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return TopoDS_Shape();
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}
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const gp_Pnt Feature::getPointFromFace(const TopoDS_Face& f)
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{
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if (!f.Infinite()) {
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TopExp_Explorer exp;
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exp.Init(f, TopAbs_VERTEX);
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if (exp.More())
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return BRep_Tool::Pnt(TopoDS::Vertex(exp.Current()));
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// Else try the other method
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}
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// TODO: Other method, e.g. intersect X,Y,Z axis with the (unlimited?) face?
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// Or get a "corner" point if the face is limited?
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throw Base::Exception("getPointFromFace(): Not implemented yet for this case");
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}
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const Part::Feature* Feature::getBaseObject() const {
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App::DocumentObject* BaseLink = BaseFeature.getValue();
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if (BaseLink == NULL) throw Base::Exception("Base property not set");
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Part::Feature* BaseObject = NULL;
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if (BaseLink->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId()))
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BaseObject = static_cast<Part::Feature*>(BaseLink);
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if (BaseObject == NULL)
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throw Base::Exception("No base feature linked");
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return BaseObject;
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}
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const TopoDS_Shape& Feature::getBaseShape() const {
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const Part::Feature* BaseObject = getBaseObject();
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const TopoDS_Shape& result = BaseObject->Shape.getValue();
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if (result.IsNull())
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throw Base::Exception("Base feature's shape is invalid");
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TopExp_Explorer xp (result, TopAbs_SOLID);
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if (!xp.More())
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throw Base::Exception("Base feature's shape is not a solid");
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return result;
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}
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const Part::TopoShape Feature::getBaseTopoShape() const {
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const Part::Feature* BaseObject = getBaseObject();
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const Part::TopoShape& result = BaseObject->Shape.getShape();
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if (result._Shape.IsNull())
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throw Base::Exception("Base feature's TopoShape is invalid");
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return result;
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}
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bool Feature::isDatum(const App::DocumentObject* feature)
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{
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return feature->getTypeId().isDerivedFrom(App::Plane::getClassTypeId()) ||
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feature->getTypeId().isDerivedFrom(Part::Datum::getClassTypeId());
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}
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gp_Pln Feature::makePlnFromPlane(const App::DocumentObject* obj)
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{
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const App::Plane* plane = static_cast<const App::Plane*>(obj);
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if (plane == NULL)
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throw Base::Exception("Feature: Null object");
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Base::Rotation rot = plane->Placement.getValue().getRotation();
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Base::Vector3d normal(0,0,1);
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rot.multVec(normal, normal);
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return gp_Pln(gp_Pnt(0,0,0), gp_Dir(normal.x,normal.y,normal.z));
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}
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TopoDS_Shape Feature::makeShapeFromPlane(const App::DocumentObject* obj)
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{
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BRepBuilderAPI_MakeFace builder(makePlnFromPlane(obj));
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if (!builder.IsDone())
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throw Base::Exception("Feature: Could not create shape from base plane");
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return builder.Shape();
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}
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}
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