mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-12 18:43:26 +00:00
Thomas Krijnen
74 lines
3.2 KiB
C++
74 lines
3.2 KiB
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;
|
|
|
|
#ifdef SCHEMA_HAS_IfcTriangulatedFaceSet
|
|
|
|
taxonomy::ptr mapping::map_impl(const IfcSchema::IfcTriangulatedFaceSet* inst) {
|
|
IfcSchema::IfcCartesianPointList3D* point_list = inst->Coordinates();
|
|
auto coordinates = point_list->CoordList();
|
|
std::vector<std::vector<int>> indices_list = inst->CoordIndex();
|
|
|
|
std::vector<taxonomy::point3::ptr> points;
|
|
points.reserve(coordinates.size());
|
|
for (auto& coords : coordinates) {
|
|
points.push_back(taxonomy::make<taxonomy::point3>(
|
|
coords.size() < 1 ? 0. : coords[0] * length_unit_,
|
|
coords.size() < 2 ? 0. : coords[1] * length_unit_,
|
|
coords.size() < 3 ? 0. : coords[2] * length_unit_));
|
|
}
|
|
|
|
int max_index = (int)points.size();
|
|
|
|
auto shell = taxonomy::make<taxonomy::shell>();
|
|
|
|
for (auto& indices : indices_list) {
|
|
auto fa = taxonomy::make<taxonomy::face>();
|
|
shell->children.push_back(fa);
|
|
|
|
{
|
|
auto loop = taxonomy::make<taxonomy::loop>();
|
|
fa->children = { loop };
|
|
loop->external = true;
|
|
taxonomy::point3::ptr first, previous;
|
|
for (std::vector<int>::const_iterator jt = indices.begin(); jt != indices.end(); ++jt) {
|
|
if (*jt < 1 || *jt > max_index) {
|
|
throw IfcParse::IfcException("IfcTriangulatedFaceSet index out of bounds for index " + boost::lexical_cast<std::string>(*jt));
|
|
}
|
|
const taxonomy::point3::ptr& current = points[(*jt) - 1];
|
|
if (jt == indices.begin()) {
|
|
first = current;
|
|
} else {
|
|
loop->children.push_back(taxonomy::make<taxonomy::edge>(previous, current));
|
|
}
|
|
previous = current;
|
|
}
|
|
if (first && previous != first) {
|
|
loop->children.push_back(taxonomy::make<taxonomy::edge>(previous, first));
|
|
}
|
|
}
|
|
}
|
|
|
|
return shell;
|
|
}
|
|
|
|
#endif |