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883a726d52b96c7d26f00da46045a41ef7b2dad6
create/src/Mod/PartDesign/App/FeatureLoft.cpp
wandererfan 883a726d52 Fix #3401 warning on multiple solid 
- PartDesign only uses the first result shape
  of an operation and discards the rest without
  warning.

- this also fixes #1707
2018-07-13 10:23:42 -03:00

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/***************************************************************************
* Copyright (c) 2015 Stefan Tröger <stefantroeger@gmx.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <TopoDS_Solid.hxx>
# include <TopoDS_Wire.hxx>
# include <TopExp_Explorer.hxx>
# include <BRepAlgoAPI_Fuse.hxx>
# include <BRepAlgoAPI_Common.hxx>
#include <BRepOffsetAPI_ThruSections.hxx>
#include <BRepBuilderAPI_Sewing.hxx>
#include <BRepBuilderAPI_MakeSolid.hxx>
#include <BRepClass3d_SolidClassifier.hxx>
#include <BRepAlgoAPI_Cut.hxx>
#include <TopoDS.hxx>
#include <Precision.hxx>
#endif
#include <Base/Exception.h>
#include <Base/Placement.h>
#include <Base/Console.h>
#include <Base/Reader.h>
#include <App/Document.h>
#include <Mod/Part/App/FaceMakerCheese.h>
//#include "Body.h"
#include "FeatureLoft.h"
using namespace PartDesign;
PROPERTY_SOURCE(PartDesign::Loft, PartDesign::ProfileBased)
Loft::Loft()
{
ADD_PROPERTY_TYPE(Sections,(0),"Loft",App::Prop_None,"List of sections");
Sections.setSize(0);
ADD_PROPERTY_TYPE(Ruled,(false),"Loft",App::Prop_None,"Create ruled surface");
ADD_PROPERTY_TYPE(Closed,(false),"Loft",App::Prop_None,"Close Last to First Profile");
}
short Loft::mustExecute() const
{
if (Sections.isTouched())
return 1;
if (Ruled.isTouched())
return 1;
if (Closed.isTouched())
return 1;
return ProfileBased::mustExecute();
}
App::DocumentObjectExecReturn *Loft::execute(void)
{
std::vector<TopoDS_Wire> wires;
try {
wires = getProfileWires();
} catch (const Base::Exception& e) {
return new App::DocumentObjectExecReturn(e.what());
}
TopoDS_Shape sketchshape = getVerifiedFace();
if (sketchshape.IsNull())
return new App::DocumentObjectExecReturn("Loft: Creating a face from sketch failed");
// if the Base property has a valid shape, fuse the pipe into it
TopoDS_Shape base;
try {
base = getBaseShape();
} catch (const Base::Exception&) {
base = TopoDS_Shape();
}
try {
//setup the location
this->positionByPrevious();
TopLoc_Location invObjLoc = this->getLocation().Inverted();
if(!base.IsNull())
base.Move(invObjLoc);
//build up multisections
auto multisections = Sections.getValues();
if(multisections.empty())
return new App::DocumentObjectExecReturn("Loft: At least one section is needed");
std::vector<std::vector<TopoDS_Wire>> wiresections;
for(TopoDS_Wire& wire : wires)
wiresections.push_back(std::vector<TopoDS_Wire>(1, wire));
for(App::DocumentObject* obj : multisections) {
if(!obj->isDerivedFrom(Part::Feature::getClassTypeId()))
return new App::DocumentObjectExecReturn("Loft: All sections need to be part features");
TopExp_Explorer ex;
size_t i=0;
for (ex.Init(static_cast<Part::Feature*>(obj)->Shape.getValue(), TopAbs_WIRE); ex.More(); ex.Next(), ++i) {
if(i>=wiresections.size())
return new App::DocumentObjectExecReturn("Loft: Sections need to have the same amount of inner wires as the base section");
wiresections[i].push_back(TopoDS::Wire(ex.Current()));
}
if(i<wiresections.size())
return new App::DocumentObjectExecReturn("Loft: Sections need to have the same amount of inner wires as the base section");
}
//build all shells
std::vector<TopoDS_Shape> shells;
for(std::vector<TopoDS_Wire>& wires : wiresections) {
BRepOffsetAPI_ThruSections mkTS(false, Ruled.getValue(), Precision::Confusion());
for(TopoDS_Wire& wire : wires) {
wire.Move(invObjLoc);
mkTS.AddWire(wire);
}
mkTS.Build();
if (!mkTS.IsDone())
return new App::DocumentObjectExecReturn("Loft could not be built");
//build the shell use simulate to get the top and bottom wires in an easy way
shells.push_back(mkTS.Shape());
}
//build the top and bottom face, sew the shell and build the final solid
TopoDS_Shape front = getVerifiedFace();
front.Move(invObjLoc);
std::vector<TopoDS_Wire> backwires;
for(std::vector<TopoDS_Wire>& wires : wiresections)
backwires.push_back(wires.back());
TopoDS_Shape back = Part::FaceMakerCheese::makeFace(backwires);
BRepBuilderAPI_Sewing sewer;
sewer.SetTolerance(Precision::Confusion());
sewer.Add(front);
sewer.Add(back);
for(TopoDS_Shape& s : shells)
sewer.Add(s);
sewer.Perform();
//build the solid
BRepBuilderAPI_MakeSolid mkSolid;
mkSolid.Add(TopoDS::Shell(sewer.SewedShape()));
if(!mkSolid.IsDone())
return new App::DocumentObjectExecReturn("Loft: Result is not a solid");
TopoDS_Shape result = mkSolid.Shape();
BRepClass3d_SolidClassifier SC(result);
SC.PerformInfinitePoint(Precision::Confusion());
if ( SC.State() == TopAbs_IN) {
result.Reverse();
}
AddSubShape.setValue(result);
if(base.IsNull()) {
Shape.setValue(getSolid(result));
return App::DocumentObject::StdReturn;
}
if(getAddSubType() == FeatureAddSub::Additive) {
BRepAlgoAPI_Fuse mkFuse(base, result);
if (!mkFuse.IsDone())
return new App::DocumentObjectExecReturn("Loft: Adding the loft failed");
// we have to get the solids (fuse sometimes creates compounds)
TopoDS_Shape boolOp = this->getSolid(mkFuse.Shape());
// lets check if the result is a solid
if (boolOp.IsNull())
return new App::DocumentObjectExecReturn("Loft: Resulting shape is not a solid");
int solidCount = countSolids(boolOp);
if (solidCount > 1) {
return new App::DocumentObjectExecReturn("Loft: Result has multiple solids. Check parameters.");
}
boolOp = refineShapeIfActive(boolOp);
Shape.setValue(getSolid(boolOp));
}
else if(getAddSubType() == FeatureAddSub::Subtractive) {
BRepAlgoAPI_Cut mkCut(base, result);
if (!mkCut.IsDone())
return new App::DocumentObjectExecReturn("Loft: Subtracting the loft failed");
// we have to get the solids (fuse sometimes creates compounds)
TopoDS_Shape boolOp = this->getSolid(mkCut.Shape());
// lets check if the result is a solid
if (boolOp.IsNull())
return new App::DocumentObjectExecReturn("Loft: Resulting shape is not a solid");
int solidCount = countSolids(boolOp);
if (solidCount > 1) {
return new App::DocumentObjectExecReturn("Loft: Result has multiple solids. Check parameters.");
}
boolOp = refineShapeIfActive(boolOp);
Shape.setValue(getSolid(boolOp));
}
return App::DocumentObject::StdReturn;
}
catch (Standard_Failure& e) {
return new App::DocumentObjectExecReturn(e.GetMessageString());
}
catch (...) {
return new App::DocumentObjectExecReturn("Loft: A fatal error occurred when making the loft");
}
}
PROPERTY_SOURCE(PartDesign::AdditiveLoft, PartDesign::Loft)
AdditiveLoft::AdditiveLoft() {
addSubType = Additive;
}
PROPERTY_SOURCE(PartDesign::SubtractiveLoft, PartDesign::Loft)
SubtractiveLoft::SubtractiveLoft() {
addSubType = Subtractive;
}
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