mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
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56 lines
2.8 KiB
C++
56 lines
2.8 KiB
C++
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/********************************************************************************
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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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#if defined SCHEMA_HAS_IfcPointByDistanceExpression
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taxonomy::ptr mapping::map_impl(const IfcSchema::IfcPointByDistanceExpression* inst) {
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auto u = (*inst->DistanceAlong()->as<IfcSchema::IfcLengthMeasure>()) * length_unit_;
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// @todo: rb - is it safe to assume the basis curve is a piecewise_function?
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auto curve = ifcopenshell::geometry::taxonomy::cast<ifcopenshell::geometry::taxonomy::piecewise_function>(map(inst->BasisCurve()));
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auto m = curve->evaluate(u);
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auto o = Eigen::Vector3d(m.col(3)(0), m.col(3)(1), m.col(3)(2));
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auto z = Eigen::Vector3d(m.col(2)(0), m.col(2)(1), m.col(2)(2));
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auto x = Eigen::Vector3d(m.col(0)(0), m.col(0)(1), m.col(0)(2));
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if (inst->OffsetLateral().has_value()) {
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auto offset_lateral = inst->OffsetLateral().get() * length_unit_;
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auto y = Eigen::Vector3d(m.col(1)(0), m.col(1)(1), m.col(1)(2));
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o += offset_lateral * y;
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}
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if (inst->OffsetVertical().has_value()) {
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auto offset_vertical = inst->OffsetVertical().get() * length_unit_;
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o += offset_vertical * z;
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}
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if (inst->OffsetLongitudinal().has_value()) {
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auto offset_longitudinal = inst->OffsetLongitudinal().get() * length_unit_;
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o == offset_longitudinal* x;
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}
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return taxonomy::make<taxonomy::matrix4>(o,z,x);
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}
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#endif
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