104 lines
4.3 KiB
C++
104 lines
4.3 KiB
C++
/***************************************************************************
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* Copyright (c) 2020 Werner Mayer <wmayer[at]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 <BRepBuilderAPI_MakeFace.hxx>
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#include <Geom_BSplineSurface.hxx>
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#include <Geom_TrimmedCurve.hxx>
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#include <GeomAdaptor_Curve.hxx>
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#include <GeomFill_NSections.hxx>
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#include <TopLoc_Location.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Face.hxx>
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#include <Precision.hxx>
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#include <Standard_Version.hxx>
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#endif
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#include "FeatureSections.h"
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#include <Base/Tools.h>
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#include <Base/Exception.h>
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using namespace Surface;
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PROPERTY_SOURCE(Surface::Sections, Part::Spline)
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Sections::Sections()
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{
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ADD_PROPERTY_TYPE(NSections,(nullptr), "Sections", App::Prop_None, "Section curves");
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NSections.setScope(App::LinkScope::Global);
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}
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Sections::~Sections()
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{
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}
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App::DocumentObjectExecReturn *Sections::execute(void)
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{
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TColGeom_SequenceOfCurve curveSeq;
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auto edge_obj = NSections.getValues();
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auto edge_sub = NSections.getSubValues();
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if (edge_obj.size() == edge_sub.size()) {
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for (std::size_t index = 0; index < edge_obj.size(); index++) {
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// get the part object
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App::DocumentObject* obj = edge_obj[index];
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const std::string& sub = edge_sub[index];
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if (obj && obj->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())) {
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// get the sub-edge of the part's shape
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const Part::TopoShape& shape = static_cast<Part::Feature*>(obj)->Shape.getShape();
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TopoDS_Shape edge = shape.getSubShape(sub.c_str());
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if (!edge.IsNull() && edge.ShapeType() == TopAbs_EDGE) {
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BRepAdaptor_Curve curve_adapt(TopoDS::Edge(edge));
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const TopLoc_Location& loc = edge.Location();
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Handle(Geom_TrimmedCurve) hCurve = new Geom_TrimmedCurve(curve_adapt.Curve().Curve(),
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curve_adapt.FirstParameter(),
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curve_adapt.LastParameter());
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if (!loc.IsIdentity()) {
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hCurve->Transform(loc.Transformation());
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}
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curveSeq.Append(hCurve);
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}
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}
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}
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}
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if (curveSeq.Length() < 2)
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return new App::DocumentObjectExecReturn("At least two sections are required.");
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GeomFill_NSections fillOp(curveSeq);
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fillOp.ComputeSurface();
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Handle(Geom_BSplineSurface) aSurf = fillOp.BSplineSurface();
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if (aSurf.IsNull())
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return new App::DocumentObjectExecReturn("Failed to create surface from sections.");
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BRepBuilderAPI_MakeFace mkFace(aSurf
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#if OCC_VERSION_HEX >= 0x060502
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, Precision::Confusion()
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#endif
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);
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Shape.setValue(mkFace.Face());
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return StdReturn;
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}
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