mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-09 17:31:45 +00:00
Thomas Krijnen
102 lines
3.5 KiB
C++
102 lines
3.5 KiB
C++
/********************************************************************************
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* *
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* This file is part of IfcOpenShell. *
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* *
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* IfcOpenShell is free software: you can redistribute it and/or modify *
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* it under the terms of the Lesser GNU General Public License as published by *
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* the Free Software Foundation, either version 3.0 of the License, or *
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* (at your option) any later version. *
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* *
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* IfcOpenShell 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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* Lesser GNU General Public License for more details. *
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* *
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* You should have received a copy of the Lesser GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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* *
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********************************************************************************/
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#include <gp_Pnt.hxx>
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#include <gp_Dir.hxx>
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#include <gp_Trsf.hxx>
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#include <gp_Ax1.hxx>
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#include <TopoDS.hxx>
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#include <TopExp_Explorer.hxx>
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#include <BRepPrimAPI_MakeRevol.hxx>
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#include "../ifcgeom/IfcGeom.h"
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#define Kernel MAKE_TYPE_NAME(Kernel)
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bool IfcGeom::Kernel::convert(const IfcSchema::IfcRevolvedAreaSolid* l, TopoDS_Shape& shape) {
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const double ang = l->Angle() * getValue(GV_PLANEANGLE_UNIT);
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TopoDS_Shape face;
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if ( ! convert_face(l->SweptArea(),face) ) return false;
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gp_Ax1 ax1;
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IfcGeom::Kernel::convert(l->Axis(), ax1);
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gp_Trsf trsf;
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bool has_position = true;
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#ifdef SCHEMA_IfcSweptAreaSolid_Position_IS_OPTIONAL
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has_position = l->Position() != nullptr;
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#endif
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if (has_position) {
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IfcGeom::Kernel::convert(l->Position(), trsf);
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}
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{
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// https://github.com/IfcOpenShell/IfcOpenShell/issues/1030
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// Check whether Axis does not intersect SweptArea
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double min_dot = +std::numeric_limits<double>::infinity();
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double max_dot = -std::numeric_limits<double>::infinity();
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gp_Ax2 ax(ax1.Location(), gp::DZ(), ax1.Direction());
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TopExp_Explorer exp(face, TopAbs_EDGE);
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for (; exp.More(); exp.Next()) {
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BRepAdaptor_Curve crv(TopoDS::Edge(exp.Current()));
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GCPnts_QuasiUniformDeflection tessellater(crv, getValue(GV_PRECISION));
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int n = tessellater.NbPoints();
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for (int i = 1; i <= n; ++i) {
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double d = ax.YDirection().XYZ().Dot(tessellater.Value(i).XYZ());
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if (d < min_dot) {
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min_dot = d;
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}
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if (d > max_dot) {
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max_dot = d;
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}
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}
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}
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bool intersecting;
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if (std::abs(min_dot) > std::abs(max_dot)) {
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intersecting = max_dot > + getValue(GV_PRECISION);
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} else {
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intersecting = min_dot < - getValue(GV_PRECISION);
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}
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if (intersecting) {
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Logger::Warning("Warning Axis and SweptArea intersecting", l);
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}
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}
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if (ang >= M_PI * 2. - ALMOST_ZERO) {
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shape = BRepPrimAPI_MakeRevol(face, ax1);
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} else {
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shape = BRepPrimAPI_MakeRevol(face, ax1, ang);
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}
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if (has_position) {
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// IfcSweptAreaSolid.Position (trsf) is an IfcAxis2Placement3D
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// and therefore has a unit scale factor
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shape.Move(trsf);
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}
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return !shape.IsNull();
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}
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