mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-11 02:02:22 +00:00
Thomas Krijnen
94 lines
3.9 KiB
C++
94 lines
3.9 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;
|
|
|
|
#include "../../ifcgeom/profile_helper.h"
|
|
#include "../../ifcgeom/infra_sweep_helper.h"
|
|
|
|
#ifdef SCHEMA_HAS_IfcSectionedSolidHorizontal
|
|
|
|
|
|
taxonomy::ptr mapping::map_impl(const IfcSchema::IfcSectionedSolidHorizontal* inst) {
|
|
std::vector<cross_section> cross_sections;
|
|
|
|
auto dir = map(inst->Directrix());
|
|
auto pwf = taxonomy::dcast<taxonomy::piecewise_function>(dir);
|
|
if (!pwf) {
|
|
// Only implement on alignment curves
|
|
Logger::Warning("IfcSectionedSolidHorizontal is only implemented for piecewise function Directrix curves", inst);
|
|
return nullptr;
|
|
}
|
|
|
|
{
|
|
auto css = inst->CrossSections();
|
|
auto csps = inst->CrossSectionPositions();
|
|
std::vector<taxonomy::face::ptr> faces;
|
|
|
|
// The PointByDistanceExpressesions are factored out into (a) a cartesian offset relative to the
|
|
// reference frame along a certain curve location (b) the longitude.
|
|
|
|
// The longitudes determine the range of the sweep and the offsets are interpolated in between
|
|
// sweep segments.
|
|
std::vector<Eigen::Vector3d> profile_offsets;
|
|
std::vector<double> longitudes;
|
|
|
|
for (auto& cs : *css) {
|
|
faces.push_back(std::move(taxonomy::cast<taxonomy::face>(map(cs))));
|
|
}
|
|
#ifdef SCHEMA_HAS_IfcPointByDistanceExpression
|
|
for (auto& csp : *csps) {
|
|
auto pbde = csp->Location()->as<IfcSchema::IfcPointByDistanceExpression>(true);
|
|
|
|
longitudes.push_back(*pbde->DistanceAlong()->as<IfcSchema::IfcLengthMeasure>(true) * length_unit_);
|
|
|
|
// Corresponds to the profile X, Y directions (hopefully).
|
|
Eigen::Vector3d po(
|
|
pbde->OffsetLateral().get_value_or(0.),
|
|
// @todo I don't understand whether vertical is an offset relative to the tangent plane or to the global XY plane
|
|
pbde->OffsetVertical().get_value_or(0.),
|
|
0.
|
|
);
|
|
|
|
profile_offsets.push_back(po);
|
|
}
|
|
#else
|
|
return nullptr;
|
|
#endif
|
|
if (faces.size() != profile_offsets.size()) {
|
|
Logger::Warning("Expected CrossSections and CrossSectionPositions to be equal length, but got " + std::to_string(faces.size()) + " and " + std::to_string(profile_offsets.size()) + " respectively", inst);
|
|
return nullptr;
|
|
}
|
|
if (faces.size() < 2) {
|
|
Logger::Warning("Expected at least two cross sections, but got " + std::to_string(faces.size()), inst);
|
|
return nullptr;
|
|
}
|
|
|
|
for (size_t i = 0; i < faces.size(); ++i) {
|
|
cross_sections.push_back({ longitudes[i], faces[i], profile_offsets[i] });
|
|
}
|
|
}
|
|
|
|
return make_loft(settings_, inst, pwf, cross_sections);
|
|
}
|
|
|
|
#endif
|