add feature loft
This commit is contained in:
Stefan Tröger
parent
f4a5bf6acd
commit
c82e4117e9
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@ -55,6 +55,7 @@
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#include "DatumCS.h"
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#include "FeatureThickness.h"
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#include "FeaturePipe.h"
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#include "FeatureLoft.h"
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namespace PartDesign {
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extern PyObject* initModule();
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@ -105,6 +106,9 @@ PyMODINIT_FUNC init_PartDesign()
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PartDesign::Pipe ::init();
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PartDesign::AdditivePipe ::init();
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PartDesign::SubtractivePipe ::init();
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PartDesign::Loft ::init();
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PartDesign::AdditiveLoft ::init();
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PartDesign::SubtractiveLoft ::init();
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PartDesign::Plane ::init();
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PartDesign::Line ::init();
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PartDesign::Point ::init();
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@ -102,6 +102,8 @@ SET(FeaturesSketchBased_SRCS
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FeaturePrimitive.cpp
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FeaturePipe.h
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FeaturePipe.cpp
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FeatureLoft.h
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FeatureLoft.cpp
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)
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SOURCE_GROUP("SketchBasedFeatures" FILES ${FeaturesSketchBased_SRCS})
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234
src/Mod/PartDesign/App/FeatureLoft.cpp
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234
src/Mod/PartDesign/App/FeatureLoft.cpp
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@ -0,0 +1,234 @@
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/***************************************************************************
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* Copyright (c) 2015 Stefan Tröger <stefantroeger@gmx.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 <TopoDS_Solid.hxx>
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# include <TopoDS_Wire.hxx>
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# include <TopExp_Explorer.hxx>
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# include <BRepAlgoAPI_Fuse.hxx>
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# include <BRepAlgoAPI_Common.hxx>
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#include <BRepOffsetAPI_ThruSections.hxx>
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#include <BRepBuilderAPI_Sewing.hxx>
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#include <BRepBuilderAPI_MakeSolid.hxx>
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#include <BRepClass3d_SolidClassifier.hxx>
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#include <BRepAlgoAPI_Cut.hxx>
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#include <TopoDS.hxx>
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#include <Precision.hxx>
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#endif
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#include <Base/Exception.h>
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#include <Base/Placement.h>
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#include <Base/Console.h>
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#include <Base/Reader.h>
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#include <App/Document.h>
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//#include "Body.h"
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#include "FeatureLoft.h"
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using namespace PartDesign;
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PROPERTY_SOURCE(PartDesign::Loft, PartDesign::SketchBased)
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Loft::Loft()
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{
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ADD_PROPERTY_TYPE(Sections,(0),"Loft",App::Prop_None,"List of sections");
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Sections.setSize(0);
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ADD_PROPERTY_TYPE(Ruled,(false),"Loft",App::Prop_None,"Create ruled surface");
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ADD_PROPERTY_TYPE(Closed,(false),"Loft",App::Prop_None,"Close Last to First Profile");
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}
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short Loft::mustExecute() const
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{
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if (Sections.isTouched())
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return 1;
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if (Ruled.isTouched())
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return 1;
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if (Closed.isTouched())
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return 1;
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return SketchBased::mustExecute();
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}
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App::DocumentObjectExecReturn *Loft::execute(void)
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{
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Part::Part2DObject* sketch = 0;
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std::vector<TopoDS_Wire> wires;
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try {
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sketch = getVerifiedSketch();
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wires = getSketchWires();
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} catch (const Base::Exception& e) {
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return new App::DocumentObjectExecReturn(e.what());
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}
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TopoDS_Shape sketchshape = makeFace(wires);
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if (sketchshape.IsNull())
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return new App::DocumentObjectExecReturn("Loft: Creating a face from sketch failed");
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// if the Base property has a valid shape, fuse the pipe into it
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TopoDS_Shape base;
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try {
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base = getBaseShape();
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} catch (const Base::Exception&) {
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base = TopoDS_Shape();
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}
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try {
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//setup the location
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this->positionBySketch();
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TopLoc_Location invObjLoc = this->getLocation().Inverted();
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if(!base.IsNull())
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base.Move(invObjLoc);
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//build up multisections
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auto multisections = Sections.getValues();
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std::vector<std::vector<TopoDS_Wire>> wiresections;
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for(TopoDS_Wire& wire : wires)
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wiresections.push_back(std::vector<TopoDS_Wire>(1, wire));
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for(App::DocumentObject* obj : multisections) {
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if(!obj->isDerivedFrom(Part::Feature::getClassTypeId()))
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return new App::DocumentObjectExecReturn("All sections need to be part features");
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TopExp_Explorer ex;
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int i=0;
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for (ex.Init(static_cast<Part::Feature*>(obj)->Shape.getValue(), TopAbs_WIRE); ex.More(); ex.Next()) {
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wiresections[i].push_back(TopoDS::Wire(ex.Current()));
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if(i>=wiresections.size())
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return new App::DocumentObjectExecReturn("Sections need to have the same amount of inner wires as the base section");
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++i;
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}
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if(i<wiresections.size())
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return new App::DocumentObjectExecReturn("Sections need to have the same amount of inner wires as the base section");
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}
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//build all shells
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std::vector<TopoDS_Shape> shells;
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for(std::vector<TopoDS_Wire>& wires : wiresections) {
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BRepOffsetAPI_ThruSections mkTS(false, Ruled.getValue(), Precision::Confusion());
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for(TopoDS_Wire& wire : wires)
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mkTS.AddWire(wire);
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if (!mkTS.IsDone())
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return new App::DocumentObjectExecReturn("Loft could not be build");
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//build the shell use simulate to get the top and bottom wires in an easy way
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shells.push_back(mkTS.Shape());
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}
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//build the top and bottom face, sew the shell and build the final solid
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TopoDS_Shape front = makeFace(wires);
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std::vector<TopoDS_Wire> backwires;
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for(std::vector<TopoDS_Wire>& wires : wiresections)
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backwires.push_back(wires.back());
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TopoDS_Shape back = makeFace(backwires);
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BRepBuilderAPI_Sewing sewer;
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sewer.SetTolerance(Precision::Confusion());
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sewer.Add(front);
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sewer.Add(back);
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for(TopoDS_Shape& s : shells)
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sewer.Add(s);
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sewer.Perform();
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//build the solid
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BRepBuilderAPI_MakeSolid mkSolid;
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mkSolid.Add(TopoDS::Shell(sewer.SewedShape()));
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if(!mkSolid.IsDone())
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return new App::DocumentObjectExecReturn("Result is not a solid");
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TopoDS_Shape result = mkSolid.Shape();
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BRepClass3d_SolidClassifier SC(result);
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SC.PerformInfinitePoint(Precision::Confusion());
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if ( SC.State() == TopAbs_IN) {
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result.Reverse();
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}
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result.Move(invObjLoc);
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AddSubShape.setValue(result);
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if(base.IsNull()) {
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Shape.setValue(result);
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return App::DocumentObject::StdReturn;
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}
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if(getAddSubType() == FeatureAddSub::Additive) {
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BRepAlgoAPI_Fuse mkFuse(base, result);
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if (!mkFuse.IsDone())
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return new App::DocumentObjectExecReturn("Adding the loft failed");
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// we have to get the solids (fuse sometimes creates compounds)
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TopoDS_Shape boolOp = this->getSolid(mkFuse.Shape());
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// lets check if the result is a solid
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if (boolOp.IsNull())
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return new App::DocumentObjectExecReturn("Resulting shape is not a solid");
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boolOp = refineShapeIfActive(boolOp);
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Shape.setValue(boolOp);
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}
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else if(getAddSubType() == FeatureAddSub::Subtractive) {
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BRepAlgoAPI_Cut mkCut(base, result);
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if (!mkCut.IsDone())
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return new App::DocumentObjectExecReturn("Subtracting the loft failed");
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// we have to get the solids (fuse sometimes creates compounds)
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TopoDS_Shape boolOp = this->getSolid(mkCut.Shape());
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// lets check if the result is a solid
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if (boolOp.IsNull())
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return new App::DocumentObjectExecReturn("Resulting shape is not a solid");
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boolOp = refineShapeIfActive(boolOp);
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Shape.setValue(boolOp);
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}
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return App::DocumentObject::StdReturn;
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return SketchBased::execute();
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}
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catch (Standard_Failure) {
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Handle_Standard_Failure e = Standard_Failure::Caught();
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return new App::DocumentObjectExecReturn(e->GetMessageString());
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}
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catch (...) {
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return new App::DocumentObjectExecReturn("A fatal error occurred when making the loft");
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}
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}
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PROPERTY_SOURCE(PartDesign::AdditiveLoft, PartDesign::Loft)
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AdditiveLoft::AdditiveLoft() {
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addSubType = Additive;
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}
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PROPERTY_SOURCE(PartDesign::SubtractiveLoft, PartDesign::Loft)
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SubtractiveLoft::SubtractiveLoft() {
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addSubType = Subtractive;
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}
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79
src/Mod/PartDesign/App/FeatureLoft.h
Normal file
79
src/Mod/PartDesign/App/FeatureLoft.h
Normal file
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@ -0,0 +1,79 @@
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/***************************************************************************
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* Copyright (c) 2015 Stefan Tröger <stefantroeger@gmx.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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#ifndef PARTDESIGN_Loft_H
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#define PARTDESIGN_Loft_H
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#include <App/PropertyUnits.h>
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#include <App/PropertyStandard.h>
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#include <App/PropertyUnits.h>
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#include "FeatureSketchBased.h"
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namespace PartDesign
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{
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class PartDesignExport Loft : public SketchBased
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{
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PROPERTY_HEADER(PartDesign::Loft);
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public:
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Loft();
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App::PropertyLinkList Sections;
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App::PropertyBool Ruled;
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App::PropertyBool Closed;
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/** @name methods override feature */
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//@{
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App::DocumentObjectExecReturn *execute(void);
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short mustExecute() const;
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/// returns the type name of the view provider
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const char* getViewProviderName(void) const {
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return "PartDesignGui::ViewProviderLoft";
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}
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//@}
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private:
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//static const char* TypeEnums[];
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//static const char* SideEnums[];
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};
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class PartDesignExport AdditiveLoft : public Loft {
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PROPERTY_HEADER(PartDesign::AdditiveLoft);
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public:
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AdditiveLoft();
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};
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class PartDesignExport SubtractiveLoft : public Loft {
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PROPERTY_HEADER(PartDesign::SubtractiveLoft);
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public:
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SubtractiveLoft();
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};
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} //namespace PartDesign
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#endif // PART_Loft_H
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@ -278,12 +278,7 @@ App::DocumentObjectExecReturn *Pipe::execute(void)
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}
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if(getAddSubType() == FeatureAddSub::Additive) {
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auto* b = getDocument()->addObject("Part::Feature", "base");
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static_cast<Part::Feature*>(b)->Shape.setValue(base);
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b = getDocument()->addObject("Part::Feature", "pipe");
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static_cast<Part::Feature*>(b)->Shape.setValue(result);
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BRepAlgoAPI_Fuse mkFuse(base, result);
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if (!mkFuse.IsDone())
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return new App::DocumentObjectExecReturn("Adding the pipe failed");
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