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create/src/Mod/Surface/App/FeatureSewing.cpp

107 lines
4.4 KiB
C++

/***************************************************************************
* Copyright (c) 2014 Nathan Miller <Nathan.A.Mill[at]gmail.com> *
* *
* 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 <BRepBuilderAPI_Sewing.hxx>
# include <Precision.hxx>
# include <TopoDS.hxx>
#endif
#include "FeatureSewing.h"
using namespace Surface;
PROPERTY_SOURCE(Surface::Sewing, Part::Feature)
//Initial values
Sewing::Sewing()
{
ADD_PROPERTY_TYPE(ShapeList,(nullptr,""), "Sewing", App::Prop_None, "Input shapes");
ADD_PROPERTY_TYPE(Tolerance,(Precision::Confusion()), "Sewing", App::Prop_None, "Sewing tolerance");
ADD_PROPERTY_TYPE(SewingOption,(true), "Sewing", App::Prop_None, "Sewing option");
ADD_PROPERTY_TYPE(DegenerateShape,(true), "Sewing", App::Prop_None, "Analysis of degenerated shapes");
ADD_PROPERTY_TYPE(CutFreeEdges,(true), "Sewing", App::Prop_None, "Cutting of free edges");
ADD_PROPERTY_TYPE(Nonmanifold,(false), "Sewing", App::Prop_None, "Non-manifold processing");
ShapeList.setScope(App::LinkScope::Global);
}
short Sewing::mustExecute() const
{
if (ShapeList.isTouched() ||
Tolerance.isTouched() ||
SewingOption.isTouched() ||
DegenerateShape.isTouched() ||
CutFreeEdges.isTouched() ||
Nonmanifold.isTouched())
return 1;
return 0;
}
App::DocumentObjectExecReturn *Sewing::execute()
{
//Assign Variables
double atol = Tolerance.getValue();
bool opt1 = SewingOption.getValue();
bool opt2 = DegenerateShape.getValue();
bool opt3 = CutFreeEdges.getValue();
bool opt4 = Nonmanifold.getValue();
try {
BRepBuilderAPI_Sewing builder(atol,opt1,opt2,opt3,opt4);
std::vector<App::PropertyLinkSubList::SubSet> subset = ShapeList.getSubListValues();
for(const auto& it : subset) {
// the subset has the documentobject and the element name which belongs to it,
// in our case for example the cube object and the "Edge1" string
if (it.first->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())) {
//we get the shape of the document object which resemble the whole box
Part::TopoShape ts = static_cast<Part::Feature*>(it.first)->Shape.getShape();
//we want only the subshape which is linked
for (const auto& jt : it.second) {
TopoDS_Shape sub = ts.getSubShape(jt.c_str());
builder.Add(sub);
}
}
else {
Standard_Failure::Raise("Shape item not from Part::Feature");
}
}
builder.Perform(); //Perform Sewing
TopoDS_Shape aShape = builder.SewedShape(); //Get Shape
if (aShape.IsNull())
return new App::DocumentObjectExecReturn("Resulting shape is null");
this->Shape.setValue(aShape);
return StdReturn;
}
catch (Standard_Failure& e) {
return new App::DocumentObjectExecReturn(e.GetMessageString());
}
}