mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-12 10:33:20 +00:00
Thomas Krijnen
77 lines
3.1 KiB
C++
77 lines
3.1 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/>. *
|
|
* *
|
|
********************************************************************************/
|
|
|
|
// uncomment if you'd like negative or close to zero extrusion depths to succeed
|
|
// #define PERMISSIVE_EXTRUSION
|
|
|
|
#include "mapping.h"
|
|
#define mapping POSTFIX_SCHEMA(mapping)
|
|
using namespace ifcopenshell::geometry;
|
|
|
|
taxonomy::ptr mapping::map_impl(const IfcSchema::IfcExtrudedAreaSolid* inst) {
|
|
const double height = inst->Depth() * length_unit_;
|
|
if (height < settings_.get<settings::Precision>().get()) {
|
|
Logger::Message(Logger::LOG_ERROR, "Non-positive extrusion height encountered for:", inst);
|
|
#ifndef PERMISSIVE_EXTRUSION
|
|
return nullptr;
|
|
#endif
|
|
}
|
|
|
|
taxonomy::matrix4::ptr matrix;
|
|
bool has_position = true;
|
|
#ifdef SCHEMA_IfcSweptAreaSolid_Position_IS_OPTIONAL
|
|
has_position = inst->Position() != nullptr;
|
|
#endif
|
|
if (has_position) {
|
|
matrix = taxonomy::cast<taxonomy::matrix4>(map(inst->Position()));
|
|
}
|
|
|
|
#ifdef PERMISSIVE_EXTRUSION
|
|
if (abs(height) < getValue(GV_PRECISION)) {
|
|
face->matrix = matrix;
|
|
return face;
|
|
}
|
|
#endif
|
|
|
|
auto basis = map(inst->SweptArea());
|
|
if (auto bases = taxonomy::dcast<taxonomy::collection>(basis)) {
|
|
// @todo this requires a unified approach for all sweeps
|
|
auto c = taxonomy::make<taxonomy::collection>();
|
|
for (auto& f : bases->children) {
|
|
c->children.push_back(
|
|
taxonomy::make<taxonomy::extrusion>(
|
|
matrix,
|
|
taxonomy::cast<taxonomy::face>(f),
|
|
taxonomy::cast<taxonomy::direction3>(map(inst->ExtrudedDirection())),
|
|
height
|
|
)
|
|
);
|
|
c->children.back()->instance = inst;
|
|
}
|
|
return c;
|
|
} else {
|
|
return taxonomy::make<taxonomy::extrusion>(
|
|
matrix,
|
|
taxonomy::cast<taxonomy::face>(basis),
|
|
taxonomy::cast<taxonomy::direction3>(map(inst->ExtrudedDirection())),
|
|
height
|
|
);
|
|
}
|
|
}
|