mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-13 02:47:48 +00:00
Thomas Krijnen
73 lines
3.5 KiB
C++
73 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_Trsf2d.hxx>
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#include "../ifcgeom/IfcGeom.h"
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#include "../ifcgeom_schema_agnostic/profile_helper.h"
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#define Kernel MAKE_TYPE_NAME(Kernel)
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bool IfcGeom::Kernel::convert(const IfcSchema::IfcIShapeProfileDef* l, TopoDS_Shape& face) {
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const double x1 = l->OverallWidth() / 2.0f * getValue(GV_LENGTH_UNIT);
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const double y = l->OverallDepth() / 2.0f * getValue(GV_LENGTH_UNIT);
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const double d1 = l->WebThickness() / 2.0f * getValue(GV_LENGTH_UNIT);
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const double dy1 = l->FlangeThickness() * getValue(GV_LENGTH_UNIT);
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bool doFillet1 = !!l->FilletRadius();
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double f1 = 0.;
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if ( doFillet1 ) {
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f1 = *l->FilletRadius() * getValue(GV_LENGTH_UNIT);
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}
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bool doFillet2 = doFillet1;
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double x2 = x1, dy2 = dy1, f2 = f1;
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// @todo in IFC4 a IfcAsymmetricIShapeProfileDef is not a subtype anymore of IfcIShapeProfileDef!
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if (l->declaration().is(IfcSchema::IfcAsymmetricIShapeProfileDef::Class())) {
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IfcSchema::IfcAsymmetricIShapeProfileDef* assym = (IfcSchema::IfcAsymmetricIShapeProfileDef*) l;
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x2 = assym->TopFlangeWidth() / 2. * getValue(GV_LENGTH_UNIT);
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doFillet2 = !!assym->TopFlangeFilletRadius();
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if (doFillet2) {
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f2 = *assym->TopFlangeFilletRadius() * getValue(GV_LENGTH_UNIT);
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}
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if (assym->TopFlangeThickness()) {
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dy2 = *assym->TopFlangeThickness() * getValue(GV_LENGTH_UNIT);
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}
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}
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if ( x1 < ALMOST_ZERO || x2 < ALMOST_ZERO || y < ALMOST_ZERO || d1 < ALMOST_ZERO || dy1 < ALMOST_ZERO || dy2 < ALMOST_ZERO ) {
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Logger::Message(Logger::LOG_NOTICE,"Skipping zero sized profile:",l);
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return false;
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}
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gp_Trsf2d trsf2d;
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bool has_position = true;
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#ifdef SCHEMA_IfcParameterizedProfileDef_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(), trsf2d);
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}
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double coords[24] = {-x1,-y, x1,-y, x1,-y+dy1, d1,-y+dy1, d1,y-dy2, x2,y-dy2, x2,y, -x2,y, -x2,y-dy2, -d1,y-dy2, -d1,-y+dy1, -x1,-y+dy1};
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int fillets[4] = {3,4,9,10};
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double radii[4] = {f1,f2,f2,f1};
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return util::profile_helper(12,coords,(doFillet1||doFillet2) ? 4 : 0,fillets,radii,trsf2d,face);
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}
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