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985c397 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | // SPDX-License-Identifier: LGPL-2.1-or-later
/***************************************************************************
* Copyright (c) 2020 Werner Mayer <wmayer[at]users.sourceforge.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 <BRepAdaptor_Curve.hxx>
#include <BRepBuilderAPI_MakeFace.hxx>
#include <GeomFill_NSections.hxx>
#include <Geom_BSplineSurface.hxx>
#include <Geom_TrimmedCurve.hxx>
#include <Precision.hxx>
#include <Standard_Version.hxx>
#include <TopLoc_Location.hxx>
#include <TopoDS.hxx>
#include "FeatureSections.h"
using namespace Surface;
PROPERTY_SOURCE(Surface::Sections, Part::Spline)
Sections::Sections()
{
ADD_PROPERTY_TYPE(NSections, (nullptr), "Sections", App::Prop_None, "Section curves");
NSections.setScope(App::LinkScope::Global);
}
App::DocumentObjectExecReturn* Sections::execute()
{
TColGeom_SequenceOfCurve curveSeq;
auto edge_obj = NSections.getValues();
auto edge_sub = NSections.getSubValues();
if (edge_obj.size() == edge_sub.size()) {
for (std::size_t index = 0; index < edge_obj.size(); index++) {
// get the part object
App::DocumentObject* obj = edge_obj[index];
const std::string& sub = edge_sub[index];
if (obj && obj->isDerivedFrom<Part::Feature>()) {
// get the sub-edge of the part's shape
const Part::TopoShape& shape = static_cast<Part::Feature*>(obj)->Shape.getShape();
TopoDS_Shape edge = shape.getSubShape(sub.c_str());
if (!edge.IsNull() && edge.ShapeType() == TopAbs_EDGE) {
BRepAdaptor_Curve curve_adapt(TopoDS::Edge(edge));
const TopLoc_Location& loc = edge.Location();
Handle(Geom_TrimmedCurve) hCurve = new Geom_TrimmedCurve(
curve_adapt.Curve().Curve(),
curve_adapt.FirstParameter(),
curve_adapt.LastParameter()
);
if (!loc.IsIdentity()) {
hCurve->Transform(loc.Transformation());
}
curveSeq.Append(hCurve);
}
}
}
}
if (curveSeq.Length() < 2) {
return new App::DocumentObjectExecReturn("At least two sections are required.");
}
GeomFill_NSections fillOp(curveSeq);
fillOp.ComputeSurface();
Handle(Geom_BSplineSurface) aSurf = fillOp.BSplineSurface();
if (aSurf.IsNull()) {
return new App::DocumentObjectExecReturn("Failed to create surface from sections.");
}
BRepBuilderAPI_MakeFace mkFace(aSurf, Precision::Confusion());
Shape.setValue(mkFace.Face());
return StdReturn;
}
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