mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-05 23:41:44 +00:00
Thomas Krijnen
67 lines
3.1 KiB
C++
67 lines
3.1 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 "mapping.h"
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#define mapping POSTFIX_SCHEMA(mapping)
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using namespace ifcopenshell::geometry;
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#include "../profile_helper.h"
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taxonomy::ptr mapping::map_impl(const IfcSchema::IfcPolyLoop* inst) {
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IfcSchema::IfcCartesianPoint::list::ptr points = inst->Polygon();
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// Parse and store the points in a sequence
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std::vector<taxonomy::point3::ptr> polygon;
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polygon.reserve(points->size());
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std::transform(points->begin(), points->end(), std::back_inserter(polygon), [this](const IfcSchema::IfcCartesianPoint* p) {
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return taxonomy::cast<taxonomy::point3>(map(p));
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});
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// A loop should consist of at least three vertices
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int original_count = polygon.size();
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if (original_count < 3) {
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logger_.Message(Logger::LOG_WARNING, "GEO", 278, "Not enough edges for:", inst);
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return nullptr;
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}
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// @todo Remove points that are too close to one another
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const double eps = settings_.get<settings::Precision>().get();
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auto previous_size = polygon.size();
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remove_duplicate_points_from_loop(polygon, true, eps);
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if (polygon.size() != previous_size) {
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logger_.Warning("GEO", 279, "Removed " + std::to_string(previous_size - polygon.size()) + " (near) duplicate points from:", inst);
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}
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int count = polygon.size();
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if (original_count - count != 0) {
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std::stringstream ss; ss << (original_count - count) << " edges removed for:";
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logger_.Message(Logger::LOG_WARNING, "GEO", 280, ss.str(), inst);
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}
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if (count < 3) {
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logger_.Message(Logger::LOG_WARNING, "GEO", 281, "Not enough edges for:", inst);
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return nullptr;
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}
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// Contrary to polyline the loop is implicitly closed
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polygon.push_back(polygon.front());
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return polygon_from_points(polygon);
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}
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