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IfcOpenShell/src/ifcgeom/mapping/IfcEllipseProfileDef.cpp
T

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C++

/********************************************************************************
* *
* This file is part of IfcOpenShell. *
* *
* IfcOpenShell is free software: you can redistribute it and/or modify *
* it under the terms of the Lesser GNU General Public License as published by *
* the Free Software Foundation, either version 3.0 of the License, or *
* (at your option) any later version. *
* *
* IfcOpenShell 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 *
* Lesser GNU General Public License for more details. *
* *
* You should have received a copy of the Lesser GNU General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
********************************************************************************/
#include "mapping.h"
#define mapping POSTFIX_SCHEMA(mapping)
using namespace ifcopenshell::geometry;
taxonomy::ptr mapping::map_impl(const IfcSchema::IfcEllipseProfileDef* inst) {
double rx = inst->SemiAxis1() * length_unit_;
double ry = inst->SemiAxis2() * length_unit_;
const double tol = conv_settings_.getValue(ConversionSettings::GV_PRECISION);
if (rx < tol || ry < tol) {
Logger::Message(Logger::LOG_ERROR, "Radius not greater than zero for:", inst);
return nullptr;
}
const bool rotated = ry > rx;
taxonomy::matrix4::ptr m4;
bool has_position = true;
#ifdef SCHEMA_IfcParameterizedProfileDef_Position_IS_OPTIONAL
has_position = !!inst->Position();
#endif
if (has_position) {
m4 = taxonomy::cast<taxonomy::matrix4>(map(inst->Position()));
}
if (ry > rx) {
// @todo is a copy necesary here or can this be done in place?
auto m4_copy = *m4;
m4->components() <<
-m4_copy.components().col(1),
m4_copy.components().col(0),
m4_copy.components().col(2),
m4_copy.components().col(3);
std::swap(rx, ry);
}
auto fc = taxonomy::make<taxonomy::face>();
auto lp = taxonomy::make<taxonomy::loop>();
auto ed = taxonomy::make<taxonomy::edge>();
auto el = taxonomy::make<taxonomy::ellipse>();
el->radius = rx;
el->radius2 = ry;
ed->basis = el;
lp->children.push_back(ed);
fc->children.push_back(lp);
return fc;
}