Glassvision/IfcOpenShell
1
0
Fork 0
mirror of https://github.com/IfcOpenShell/IfcOpenShell.git synced 2026-08-09 09:21:46 +00:00
Code Issues Packages Projects Releases Wiki Activity
Files
44deaedcccf3c876017bda7bb8bd6feb54657fac
IfcOpenShell/src/ifcparse/IfcAlignmentHelper.cpp
T

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

768 lines
43 KiB
C++
Raw Normal View History

Adds framework for alignment helper functions.
2024-04-11 11:15:16 -07:00
/********************************************************************************
* *
* 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/>. *
* *
********************************************************************************/
/********************************************************************************
* *
* Implements convenience functions for alignments *
* *
********************************************************************************/
#include "IfcAlignmentHelper.h"
#include <boost/math/constants/constants.hpp>
// @todo use std::numbers::pi when upgrading to C++ 20
static const double PI = boost::math::constants::pi<double>();
#ifdef HAS_SCHEMA_4x3_add2
// sets the segment name like ("H1" for horizontal, "V1" for vertical, "C1" for cant)
void _name_segments(const char* prefix, typename aggregate_of<Ifc4x3_add2::IfcObjectDefinition>::ptr segments) {
unsigned idx = 1;
for (auto& segment : *segments) {
std::ostringstream os;
os << prefix << idx++;
segment->setName(os.str());
}
}
// creates representations for each IfcAlignmentSegment per CT 4.1.7.1.1.4
// https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/HTML/concepts/Product_Shape/Product_Geometric_Representation/Alignment_Geometry/Alignment_Geometry_-_Segments/content.html
void _createSegmentRepresentations(IfcHierarchyHelper<Ifc4x3_add2>& file, Ifc4x3_add2::IfcLocalPlacement* global_placement, Ifc4x3_add2::IfcGeometricRepresentationSubContext* segment_axis_subcontext, typename aggregate_of<Ifc4x3_add2::IfcSegment>::ptr curve_segments, typename aggregate_of<Ifc4x3_add2::IfcObjectDefinition>::ptr segments) {
auto cs_iter = curve_segments->begin();
auto s_iter = segments->begin();
for (; cs_iter != curve_segments->end(); cs_iter++, s_iter++) {
auto curve_segment = *cs_iter;
auto alignment_segment = (*s_iter)->as<Ifc4x3_add2::IfcAlignmentSegment>();
typename aggregate_of<Ifc4x3_add2::IfcRepresentationItem>::ptr representation_items(new aggregate_of<Ifc4x3_add2::IfcRepresentationItem>());
representation_items->push(curve_segment);
auto axis_representation = new Ifc4x3_add2::IfcShapeRepresentation(segment_axis_subcontext, std::string("Axis"), std::string("Segment"), representation_items);
file.addEntity(axis_representation);
typename aggregate_of<Ifc4x3_add2::IfcRepresentation>::ptr representations(new aggregate_of<Ifc4x3_add2::IfcRepresentation>());
representations->push(axis_representation);
auto product = new Ifc4x3_add2::IfcProductDefinitionShape(boost::none, boost::none, representations);
file.addEntity(product);
alignment_segment->setObjectPlacement(global_placement);
alignment_segment->setRepresentation(product);
}
}
// creates a horizontal alignment using a vector of PI points and curve radii
// returns a list of object definitions, curve segments, and a composite curve
std::tuple<typename aggregate_of<Ifc4x3_add2::IfcObjectDefinition>::ptr, typename aggregate_of<Ifc4x3_add2::IfcSegment>::ptr, Ifc4x3_add2::IfcCompositeCurve*> _createHorizontalAlignment(IfcHierarchyHelper<Ifc4x3_add2>& file, const std::vector<std::pair<double, double>>& points, const std::vector<double>& radii,bool include_geometry) {
typename aggregate_of<Ifc4x3_add2::IfcObjectDefinition>::ptr horizontal_segments(new aggregate_of<Ifc4x3_add2::IfcObjectDefinition>()); // business logic
typename aggregate_of<Ifc4x3_add2::IfcSegment>::ptr horizontal_curve_segments(include_geometry ? new aggregate_of<Ifc4x3_add2::IfcSegment>() : nullptr); // geometry
auto point_iter = points.begin();
auto [xBT, yBT] = *point_iter;
point_iter++;
auto [xPI, yPI] = *point_iter;
double xFT, yFT;
for (auto radius : radii) {
// back tangent
auto dxBT = xPI - xBT;
auto dyBT = yPI - yBT;
auto angleBT = atan2(dyBT, dxBT);
auto lengthBT = sqrt(dxBT * dxBT + dyBT * dyBT);
// forward tangent
point_iter++;
std::tie(xFT, yFT) = *point_iter;
auto dxFT = xFT - xPI;
auto dyFT = yFT - yPI;
auto angleFT = atan2(dyFT, dxFT);
auto delta = angleFT - angleBT;
auto tangent = fabs(radius * tan(delta / 2));
auto lc = fabs(radius * delta);
radius *= delta / fabs(delta);
auto xPC = xPI - tangent * cos(angleBT);
auto yPC = yPI - tangent * sin(angleBT);
auto xPT = xPI + tangent * cos(angleFT);
auto yPT = yPI + tangent * sin(angleFT);
auto tangent_run = lengthBT - tangent;
// create back tangent run
{
auto pt = file.addDoublet<Ifc4x3_add2::IfcCartesianPoint>(xBT, yBT);
auto design_parameters = new Ifc4x3_add2::IfcAlignmentHorizontalSegment(boost::none, boost::none, pt, angleBT, 0.0, 0.0, tangent_run, boost::none, Ifc4x3_add2::IfcAlignmentHorizontalSegmentTypeEnum::IfcAlignmentHorizontalSegmentType_LINE);
auto alignment_segment = new Ifc4x3_add2::IfcAlignmentSegment(IfcParse::IfcGlobalId(), nullptr, boost::none, boost::none, boost::none, nullptr, nullptr, design_parameters);
horizontal_segments->push(alignment_segment);
if (include_geometry) {
horizontal_curve_segments->push(mapAlignmentHorizontalSegment(design_parameters).first);
}
}
// create circular curve
{
auto pc = file.addDoublet<Ifc4x3_add2::IfcCartesianPoint>(xPC, yPC);
auto design_parameters = new Ifc4x3_add2::IfcAlignmentHorizontalSegment(boost::none, boost::none, pc, angleBT, radius, radius, lc, boost::none, Ifc4x3_add2::IfcAlignmentHorizontalSegmentTypeEnum::IfcAlignmentHorizontalSegmentType_CIRCULARARC);
auto alignment_segment = new Ifc4x3_add2::IfcAlignmentSegment(IfcParse::IfcGlobalId(), nullptr, boost::none, boost::none, boost::none, nullptr, nullptr, design_parameters);
horizontal_segments->push(alignment_segment);
if (include_geometry) {
horizontal_curve_segments->push(mapAlignmentHorizontalSegment(design_parameters).first);
}
}
xBT = xPT;
yBT = yPT;
xPI = xFT;
yPI = yFT;
}
// create last tangent run
auto dx = xPI - xBT;
auto dy = yPI - yBT;
auto angleBT = atan2(dy, dx);
auto tangent_run = sqrt(dx * dx + dy * dy);
auto pt = file.addDoublet<Ifc4x3_add2::IfcCartesianPoint>(xBT, yBT);
auto design_parameters = new Ifc4x3_add2::IfcAlignmentHorizontalSegment(boost::none, boost::none, pt, angleBT, 0.0, 0.0, tangent_run, boost::none, Ifc4x3_add2::IfcAlignmentHorizontalSegmentTypeEnum::IfcAlignmentHorizontalSegmentType_LINE);
auto alignment_segment = new Ifc4x3_add2::IfcAlignmentSegment(IfcParse::IfcGlobalId(), nullptr, boost::none, boost::none, boost::none, nullptr, nullptr, design_parameters);
horizontal_segments->push(alignment_segment);
if (include_geometry) {
horizontal_curve_segments->push(mapAlignmentHorizontalSegment(design_parameters).first);
}
// create zero length terminator segment
auto poe = file.addDoublet<Ifc4x3_add2::IfcCartesianPoint>(xPI, yPI);
design_parameters = new Ifc4x3_add2::IfcAlignmentHorizontalSegment(boost::none, boost::none, poe, angleBT, 0.0, 0.0, 0.0, boost::none, Ifc4x3_add2::IfcAlignmentHorizontalSegmentTypeEnum::IfcAlignmentHorizontalSegmentType_LINE);
alignment_segment = new Ifc4x3_add2::IfcAlignmentSegment(IfcParse::IfcGlobalId(), nullptr, boost::none, boost::none, boost::none, nullptr, nullptr, design_parameters);
horizontal_segments->push(alignment_segment);
if (include_geometry) {
horizontal_curve_segments->push(mapAlignmentHorizontalSegment(design_parameters).first);
}
Ifc4x3_add2::IfcCompositeCurve* composite_curve = nullptr;
if (include_geometry) {
composite_curve = new Ifc4x3_add2::IfcCompositeCurve(horizontal_curve_segments, false /*not self-intersecting*/);
file.addEntity(composite_curve);
}
return {horizontal_segments, horizontal_curve_segments, composite_curve};
}
Ifc4x3_add2::IfcAlignment* addHorizontalAlignment(IfcHierarchyHelper<Ifc4x3_add2>& file, const std::string& alignment_name, const std::vector<std::pair<double, double>>& points, const std::vector<double>& radii,bool include_geometry) {
auto [horizontal_segments, horizontal_curve_segments, composite_curve] = _createHorizontalAlignment(file, points, radii, include_geometry);
_name_segments("H", horizontal_segments);
//
// Create the horizontal alignment (IfcAlignmentHorizontal) and nest alignment segments
//
auto horizontal_alignment = new Ifc4x3_add2::IfcAlignmentHorizontal(IfcParse::IfcGlobalId(), nullptr, alignment_name + std::string(" - Horizontal"), boost::none, boost::none, nullptr, nullptr);
file.addEntity(horizontal_alignment);
auto nests_horizontal_segments = new Ifc4x3_add2::IfcRelNests(IfcParse::IfcGlobalId(), nullptr, boost::none, std::string("Nests horizontal alignment segments with horizontal alignment"), horizontal_alignment, horizontal_segments);
file.addEntity(nests_horizontal_segments);
//
// Create geometric representation
//
Ifc4x3_add2::IfcLocalPlacement* placement = nullptr;
Ifc4x3_add2::IfcProductDefinitionShape* product_definition_shape = nullptr;
if (include_geometry) {
typename aggregate_of<Ifc4x3_add2::IfcRepresentationItem>::ptr alignment_representation_items(new aggregate_of<Ifc4x3_add2::IfcRepresentationItem>());
alignment_representation_items->push(composite_curve);
// create the footprint representation
auto axis_model_representation_subcontext = file.getRepresentationSubContext("Axis", "Model");
auto footprint_shape_representation = new Ifc4x3_add2::IfcShapeRepresentation(axis_model_representation_subcontext, std::string("FootPrint"), std::string("Curve2D"), alignment_representation_items);
file.addEntity(footprint_shape_representation);
placement = file.addLocalPlacement();
// the alignment has two representations, a plan view footprint
typename aggregate_of<Ifc4x3_add2::IfcRepresentation>::ptr alignment_representations(new aggregate_of<Ifc4x3_add2::IfcRepresentation>());
alignment_representations->push(footprint_shape_representation); // 2D footprint
// create the alignment product definition
product_definition_shape = new Ifc4x3_add2::IfcProductDefinitionShape(std::string("Alignment Product Definition Shape"), boost::none, alignment_representations);
// create representations for each segment
_createSegmentRepresentations(file, placement, axis_model_representation_subcontext, horizontal_curve_segments, horizontal_segments);
}
// create the alignment
auto alignment = new Ifc4x3_add2::IfcAlignment(IfcParse::IfcGlobalId(), nullptr, alignment_name, boost::none, boost::none, placement, product_definition_shape, boost::none);
file.addEntity(alignment);
return alignment;
}
std::tuple<typename aggregate_of<Ifc4x3_add2::IfcObjectDefinition>::ptr, typename aggregate_of<Ifc4x3_add2::IfcSegment>::ptr, Ifc4x3_add2::IfcGradientCurve*> _createVerticalAlignment(IfcHierarchyHelper<Ifc4x3_add2>& file, Ifc4x3_add2::IfcCompositeCurve* composite_curve,const std::vector<std::pair<double, double>>& vpoints, const std::vector<double>& vclengths, bool include_geometry) {
typename aggregate_of<Ifc4x3_add2::IfcObjectDefinition>::ptr vertical_segments(new aggregate_of<Ifc4x3_add2::IfcObjectDefinition>()); // business logic
typename aggregate_of<Ifc4x3_add2::IfcSegment>::ptr vertical_curve_segments(new aggregate_of<Ifc4x3_add2::IfcSegment>()); // geometry
auto point_iter = vpoints.begin();
auto [xPBG, yPBG] = *point_iter;
point_iter++;
auto [xPVI, yPVI] = *point_iter;
double xPFG, yPFG;
for (auto length : vclengths) {
// back gradient
auto dxBG = xPVI - xPBG;
auto dyBG = yPVI - yPBG;
auto start_slope = atan2(dyBG, dxBG);
// forward gradient
point_iter++;
std::tie(xPFG, yPFG) = *point_iter;
auto dxFG = xPFG - xPVI;
auto dyFG = yPFG - yPVI;
auto end_slope = atan2(dyFG, dxFG);
double xEVC = xPVI + length / 2;
double yEVC = yPVI + end_slope * length / 2;
// create gradient
{
file.addDoublet<Ifc4x3_add2::IfcCartesianPoint>(xPBG, yPBG);
auto gradient_length = dxBG - length/2;
auto design_parameters = new Ifc4x3_add2::IfcAlignmentVerticalSegment(boost::none, boost::none, xPBG, gradient_length, yPBG, start_slope, start_slope, boost::none, Ifc4x3_add2::IfcAlignmentVerticalSegmentTypeEnum::IfcAlignmentVerticalSegmentType_CONSTANTGRADIENT);
auto alignment_segment = new Ifc4x3_add2::IfcAlignmentSegment(IfcParse::IfcGlobalId(), nullptr, boost::none, boost::none, boost::none, nullptr, nullptr, design_parameters);
vertical_segments->push(alignment_segment);
if (include_geometry) {
vertical_curve_segments->push(mapAlignmentVerticalSegment(design_parameters).first);
}
}
// create vertical curve
{
double k = (end_slope - start_slope) / length;
double xBVC = xPVI - length / 2;
double yBVC = yPVI - start_slope * length / 2;
file.addDoublet<Ifc4x3_add2::IfcCartesianPoint>(xBVC, yBVC);
auto design_parameters = new Ifc4x3_add2::IfcAlignmentVerticalSegment(boost::none, boost::none, xBVC, length, yBVC, start_slope, end_slope, 1 / k, Ifc4x3_add2::IfcAlignmentVerticalSegmentTypeEnum::IfcAlignmentVerticalSegmentType_PARABOLICARC);
auto alignment_segment = new Ifc4x3_add2::IfcAlignmentSegment(IfcParse::IfcGlobalId(), nullptr, boost::none, boost::none, boost::none, nullptr, nullptr, design_parameters);
vertical_segments->push(alignment_segment);
if (include_geometry) {
vertical_curve_segments->push(mapAlignmentVerticalSegment(design_parameters).first);
}
}
xPBG = xEVC;
yPBG = yEVC;
xPVI = xPFG;
yPVI = yPFG;
}
// create last tangent run
auto dx = xPVI - xPBG;
auto dy = yPVI - yPBG;
auto slope = atan2(dy, dx);
auto gradient_length = sqrt(dx * dx + dy * dy);
file.addDoublet<Ifc4x3_add2::IfcCartesianPoint>(xPBG, yPBG);
auto design_parameters = new Ifc4x3_add2::IfcAlignmentVerticalSegment(boost::none, boost::none, xPBG, gradient_length, yPBG, slope, slope, boost::none, Ifc4x3_add2::IfcAlignmentVerticalSegmentTypeEnum::IfcAlignmentVerticalSegmentType_CONSTANTGRADIENT);
auto alignment_segment = new Ifc4x3_add2::IfcAlignmentSegment(IfcParse::IfcGlobalId(), nullptr, boost::none, boost::none, boost::none, nullptr, nullptr, design_parameters);
vertical_segments->push(alignment_segment);
if (include_geometry) {
vertical_curve_segments->push(mapAlignmentVerticalSegment(design_parameters).first);
}
// create zero length terminator segment
file.addDoublet<Ifc4x3_add2::IfcCartesianPoint>(xPVI, yPVI);
design_parameters = new Ifc4x3_add2::IfcAlignmentVerticalSegment(boost::none, boost::none, xPVI, 0.0, yPVI, slope, slope, boost::none, Ifc4x3_add2::IfcAlignmentVerticalSegmentTypeEnum::IfcAlignmentVerticalSegmentType_CONSTANTGRADIENT);
alignment_segment = new Ifc4x3_add2::IfcAlignmentSegment(IfcParse::IfcGlobalId(), nullptr, boost::none, boost::none, boost::none, nullptr, nullptr, design_parameters);
vertical_segments->push(alignment_segment);
if (include_geometry) {
vertical_curve_segments->push(mapAlignmentVerticalSegment(design_parameters).first);
}
Ifc4x3_add2::IfcGradientCurve* gradient_curve = nullptr;
if (include_geometry) {
gradient_curve = new Ifc4x3_add2::IfcGradientCurve(vertical_curve_segments, false, composite_curve, nullptr);
file.addEntity(gradient_curve);
}
return {vertical_segments, vertical_curve_segments, gradient_curve};
}
Ifc4x3_add2::IfcAlignment* addAlignment(IfcHierarchyHelper<Ifc4x3_add2>& file, const std::string& alignment_name, const std::vector<std::pair<double, double>>& points, const std::vector<double>& radii, const std::vector<std::pair<double, double>>& vpoints, const std::vector<double>& vclengths,bool include_geometry) {
auto [horizontal_segments, horizontal_curve_segments, composite_curve] = _createHorizontalAlignment(file, points, radii, include_geometry);
auto [vertical_segments, vertical_curve_segments, gradient_curve] = _createVerticalAlignment(file, composite_curve, vpoints, vclengths, include_geometry);
_name_segments("H", horizontal_segments);
_name_segments("V", vertical_segments);
//
// Create the horizontal alignment (IfcAlignmentHorizontal) and nest the segments
//
auto horizontal_alignment = new Ifc4x3_add2::IfcAlignmentHorizontal(IfcParse::IfcGlobalId(), nullptr, alignment_name + std::string(" - Horizontal"), boost::none, boost::none, nullptr, nullptr);
file.addEntity(horizontal_alignment);
auto nests_horizontal_segments = new Ifc4x3_add2::IfcRelNests(IfcParse::IfcGlobalId(), nullptr, boost::none, std::string("Nests horizontal alignment segments with horizontal alignment"), horizontal_alignment, horizontal_segments);
file.addEntity(nests_horizontal_segments);
//
// Create the vertical alignment (IfcAlignmentVertical) and nest the segments
//
auto vertical_profile = new Ifc4x3_add2::IfcAlignmentVertical(IfcParse::IfcGlobalId(), nullptr, alignment_name + std::string("- Vertical"), boost::none, boost::none, nullptr, nullptr);
file.addEntity(vertical_profile);
auto nests_vertical_segments = new Ifc4x3_add2::IfcRelNests(IfcParse::IfcGlobalId(), nullptr, boost::none, std::string("Nests vertical alignment segments with vertical alignment"), vertical_profile, vertical_segments);
file.addEntity(nests_vertical_segments);
Ifc4x3_add2::IfcLocalPlacement* placement = nullptr;
Ifc4x3_add2::IfcProductDefinitionShape* product_definition_shape = nullptr;
if (include_geometry) {
auto axis_model_representation_subcontext = file.getRepresentationSubContext("Axis", "Model");
// the composite curve is a representation item
typename aggregate_of<Ifc4x3_add2::IfcRepresentationItem>::ptr alignment_representation_items(new aggregate_of<Ifc4x3_add2::IfcRepresentationItem>());
alignment_representation_items->push(composite_curve);
// create the footprint representation
auto footprint_shape_representation = new Ifc4x3_add2::IfcShapeRepresentation(axis_model_representation_subcontext, std::string("FootPrint"), std::string("Curve2D"), alignment_representation_items);
file.addEntity(footprint_shape_representation);
// the gradient curve is a representation item
typename aggregate_of<typename Ifc4x3_add2::IfcRepresentationItem>::ptr profile_representation_items(new aggregate_of<Ifc4x3_add2::IfcRepresentationItem>());
profile_representation_items->push(gradient_curve);
// create the axis representation
auto axis3d_shape_representation = new Ifc4x3_add2::IfcShapeRepresentation(axis_model_representation_subcontext, std::string("Axis"), std::string("Curve3D"), profile_representation_items);
file.addEntity(axis3d_shape_representation);
// create axis representations for each segment
placement = file.addLocalPlacement();
_createSegmentRepresentations(file, placement, axis_model_representation_subcontext, horizontal_curve_segments, horizontal_segments);
_createSegmentRepresentations(file, placement, axis_model_representation_subcontext, vertical_curve_segments, vertical_segments);
// the alignment has two representations, a plan view footprint and a 3d curve
typename aggregate_of<typename Ifc4x3_add2::IfcRepresentation>::ptr alignment_representations(new aggregate_of<Ifc4x3_add2::IfcRepresentation>());
alignment_representations->push(footprint_shape_representation); // 2D footprint
alignment_representations->push(axis3d_shape_representation); // 3D curve
// create the alignment product definition
product_definition_shape = new Ifc4x3_add2::IfcProductDefinitionShape(std::string("Alignment Product Definition Shape"), boost::none, alignment_representations);
}
//
// Create the IfcAlignment
//
auto alignment = new Ifc4x3_add2::IfcAlignment(IfcParse::IfcGlobalId(), nullptr, alignment_name, boost::none, boost::none, placement, product_definition_shape, boost::none);
file.addEntity(alignment);
// Nest the IfcAlignmentHorizontal and IfcAlignmentVertical with the IfcAlignment to complete the business logic
// 4.1.4.4.1 Alignments nest horizontal and vertical layouts
// https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/HTML/concepts/Object_Composition/Nesting/Alignment_Layouts/content.html
typename aggregate_of<Ifc4x3_add2::IfcObjectDefinition>::ptr alignment_layout_list(new aggregate_of<Ifc4x3_add2::IfcObjectDefinition>());
alignment_layout_list->push(horizontal_alignment);
alignment_layout_list->push(vertical_profile);
auto nests_alignment_layouts = new Ifc4x3_add2::IfcRelNests(IfcParse::IfcGlobalId(), nullptr, std::string("Nest horizontal and vertical alignment layouts with the alignment"), boost::none, alignment, alignment_layout_list);
file.addEntity(nests_alignment_layouts);
return alignment;
}
std::pair<Ifc4x3_add2::IfcCurveSegment*, Ifc4x3_add2::IfcCurveSegment*> mapAlignmentSegment(const Ifc4x3_add2::IfcAlignmentSegment* segment) {
std::pair<Ifc4x3_add2::IfcCurveSegment*, Ifc4x3_add2::IfcCurveSegment*> result(nullptr, nullptr);
auto design_parameters = segment->DesignParameters();
auto horizontal = design_parameters->as<Ifc4x3_add2::IfcAlignmentHorizontalSegment>();
auto vertical = design_parameters->as<Ifc4x3_add2::IfcAlignmentVerticalSegment>();
auto cant = design_parameters->as<Ifc4x3_add2::IfcAlignmentCantSegment>();
if (horizontal) {
result = mapAlignmentHorizontalSegment(horizontal);
} else if (vertical) {
result = mapAlignmentVerticalSegment(vertical);
} else if (cant) {
result = mapAlignmentCantSegment(cant);
} else {
Logger::Error(std::string("Unexpected IfcAlignmentSegment subtype encountered"));
}
return result;
}
std::pair<Ifc4x3_add2::IfcCurveSegment*, Ifc4x3_add2::IfcCurveSegment*> mapAlignmentHorizontalSegment(const Ifc4x3_add2::IfcAlignmentHorizontalSegment* segment) {
std::pair<Ifc4x3_add2::IfcCurveSegment*, Ifc4x3_add2::IfcCurveSegment*> result(nullptr, nullptr);
auto start_point = segment->StartPoint();
auto start_direction = segment->StartDirection();
auto start_radius = segment->StartRadiusOfCurvature();
auto end_radius = segment->EndRadiusOfCurvature();
auto length = segment->SegmentLength();
auto type = segment->PredefinedType();
double f = (end_radius ? length / end_radius : 0.0) - (start_radius ? length / start_radius : 0.0);
if (type == Ifc4x3_add2::IfcAlignmentHorizontalSegmentTypeEnum::IfcAlignmentHorizontalSegmentType_LINE) {
Ifc4x3_add2::IfcCurve* parent_curve = new Ifc4x3_add2::IfcLine(
new Ifc4x3_add2::IfcCartesianPoint({0.0, 0.0}),
new Ifc4x3_add2::IfcVector(new Ifc4x3_add2::IfcDirection({1.0, 0.0}), 1.0));
Ifc4x3_add2::IfcCurveSegment* curve_segment = new Ifc4x3_add2::IfcCurveSegment(
Ifc4x3_add2::IfcTransitionCode::IfcTransitionCode_CONTSAMEGRADIENT,
new Ifc4x3_add2::IfcAxis2Placement2D(start_point, new Ifc4x3_add2::IfcDirection({cos(start_direction), sin(start_direction)})),
new Ifc4x3_add2::IfcLengthMeasure(0.0),
new Ifc4x3_add2::IfcLengthMeasure(length),
parent_curve);
result.first = curve_segment;
} else if (type == Ifc4x3_add2::IfcAlignmentHorizontalSegmentTypeEnum::IfcAlignmentHorizontalSegmentType_CIRCULARARC) {
Ifc4x3_add2::IfcCurve* parent_curve = new Ifc4x3_add2::IfcCircle(
new Ifc4x3_add2::IfcAxis2Placement2D(new Ifc4x3_add2::IfcCartesianPoint(std::vector<double>({0, 0})),
new Ifc4x3_add2::IfcDirection(std::vector<double>{1, 0})),
fabs(start_radius));
Ifc4x3_add2::IfcCurveSegment* curve_segment = new Ifc4x3_add2::IfcCurveSegment(
Ifc4x3_add2::IfcTransitionCode::IfcTransitionCode_CONTSAMEGRADIENT,
new Ifc4x3_add2::IfcAxis2Placement2D(start_point, new Ifc4x3_add2::IfcDirection({cos(start_direction), sin(start_direction)})),
new Ifc4x3_add2::IfcLengthMeasure(0.0),
new Ifc4x3_add2::IfcLengthMeasure(length * start_radius / fabs(start_radius)),
parent_curve);
result.first = curve_segment;
} else if (type == Ifc4x3_add2::IfcAlignmentHorizontalSegmentTypeEnum::IfcAlignmentHorizontalSegmentType_CLOTHOID) {
double A = length / sqrt(fabs(f)) * f / fabs(f);
Ifc4x3_add2::IfcCurve* parent_curve = new Ifc4x3_add2::IfcClothoid(
new Ifc4x3_add2::IfcAxis2Placement2D(new Ifc4x3_add2::IfcCartesianPoint(std::vector<double>({0, 0})), new Ifc4x3_add2::IfcDirection(std::vector<double>{1, 0})),
A);
double offset;
if ((fabs(start_radius) < fabs(end_radius) && start_radius) || end_radius == 0.) {
offset = -length - (end_radius ? length * start_radius / (end_radius - start_radius) : 0);
} else {
offset = start_radius ? length * end_radius / (start_radius - end_radius) : 0;
}
Ifc4x3_add2::IfcCurveSegment* curve_segment = new Ifc4x3_add2::IfcCurveSegment(
Ifc4x3_add2::IfcTransitionCode::IfcTransitionCode_CONTSAMEGRADIENT,
new Ifc4x3_add2::IfcAxis2Placement2D(start_point, new Ifc4x3_add2::IfcDirection({cos(start_direction), sin(start_direction)})),
new Ifc4x3_add2::IfcLengthMeasure(offset),
new Ifc4x3_add2::IfcLengthMeasure(length),
parent_curve);
result.first = curve_segment;
} else if (type == Ifc4x3_add2::IfcAlignmentHorizontalSegmentTypeEnum::IfcAlignmentHorizontalSegmentType_BLOSSCURVE) {
auto a0 = start_radius ? length / start_radius : 0.0; // constant term
auto a1 = 0.0; // linear term
auto a2 = 3 * f; // quadratic term
auto a3 = -2 * f; // cubic term
auto A0 = a0 ? length * pow(fabs(a0), -1. / 1.) * a0 / fabs(a0) : 0.0;
auto A1 = a1 ? length * pow(fabs(a1), -1. / 2.) * a1 / fabs(a1) : 0.0;
auto A2 = a2 ? length * pow(fabs(a2), -1. / 3.) * a2 / fabs(a2) : 0.0;
auto A3 = a3 ? length * pow(fabs(a3), -1. / 4.) * a3 / fabs(a3) : 0.0;
boost::optional<double> A0_optional, A1_optional, A2_optional;
if (A0) {
A0_optional = A0;
}
if (A1) {
A1_optional = A1;
}
if (A2) {
A2_optional = A2;
}
Ifc4x3_add2::IfcCurve* parent_curve = new Ifc4x3_add2::IfcThirdOrderPolynomialSpiral(
new Ifc4x3_add2::IfcAxis2Placement2D(new Ifc4x3_add2::IfcCartesianPoint(std::vector<double>({0, 0})), new Ifc4x3_add2::IfcDirection(std::vector<double>{1, 0})),
A3,
A2_optional,
A1_optional,
A0_optional);
Ifc4x3_add2::IfcCurveSegment* curve_segment = new Ifc4x3_add2::IfcCurveSegment(
Ifc4x3_add2::IfcTransitionCode::IfcTransitionCode_CONTSAMEGRADIENT,
new Ifc4x3_add2::IfcAxis2Placement2D(start_point, new Ifc4x3_add2::IfcDirection({cos(start_direction), sin(start_direction)})),
new Ifc4x3_add2::IfcLengthMeasure(0.0),
new Ifc4x3_add2::IfcLengthMeasure(length),
parent_curve);
result.first = curve_segment;
} else if (type == Ifc4x3_add2::IfcAlignmentHorizontalSegmentTypeEnum::IfcAlignmentHorizontalSegmentType_COSINECURVE) {
auto a0 = 0.5 * f + (start_radius ? length / start_radius : 0.0); // constant term
auto a1 = -0.5 * f; // cosine term
auto A0 = a0 ? length * pow(fabs(a0), -1. / 1.) * a0 / fabs(a0) : 0.0;
auto A1 = a1 ? length * pow(fabs(a1), -1. / 1.) * a1 / fabs(a1) : 0.0;
auto A0_optional = boost::optional<double>();
if (A0) {
A0_optional = A0;
}
Ifc4x3_add2::IfcCurve* parent_curve = new Ifc4x3_add2::IfcCosineSpiral(
new Ifc4x3_add2::IfcAxis2Placement2D(new Ifc4x3_add2::IfcCartesianPoint(std::vector<double>({0, 0})), new Ifc4x3_add2::IfcDirection(std::vector<double>{1, 0})),
A1, A0_optional);
Ifc4x3_add2::IfcCurveSegment* curve_segment = new Ifc4x3_add2::IfcCurveSegment(
Ifc4x3_add2::IfcTransitionCode::IfcTransitionCode_CONTSAMEGRADIENT,
new Ifc4x3_add2::IfcAxis2Placement2D(start_point, new Ifc4x3_add2::IfcDirection({cos(start_direction), sin(start_direction)})),
new Ifc4x3_add2::IfcLengthMeasure(0.0),
new Ifc4x3_add2::IfcLengthMeasure(length),
parent_curve);
result.first = curve_segment;
} else if (type == Ifc4x3_add2::IfcAlignmentHorizontalSegmentTypeEnum::IfcAlignmentHorizontalSegmentType_CUBIC) {
double offset = 0;
double A0 = 0; // constant term
double A1 = 0; // linear term
double A2 = 0; // quadratic term
double A3 = 0; // cubic term
if (end_radius && start_radius && end_radius != start_radius)
{
f = (start_radius - end_radius) / end_radius;
A3 = f / (6. * start_radius * length);
offset = length / f;
} else if (end_radius) {
A3 = 1. / (6. * end_radius * length);
offset = 0.0;
} else if (start_radius) {
A3 = -1. / (6. * start_radius * length);
offset = -length;
}
Ifc4x3_add2::IfcCurve* parent_curve = new Ifc4x3_add2::IfcPolynomialCurve(
new Ifc4x3_add2::IfcAxis2Placement2D(new Ifc4x3_add2::IfcCartesianPoint(std::vector<double>({0, 0})), new Ifc4x3_add2::IfcDirection(std::vector<double>{1, 0})),
std::vector<double>{0.0, 1.0},
std::vector<double>{A0, A1, A2, A3},
boost::none
);
Ifc4x3_add2::IfcCurveSegment* curve_segment = new Ifc4x3_add2::IfcCurveSegment(
Ifc4x3_add2::IfcTransitionCode::IfcTransitionCode_CONTSAMEGRADIENT,
new Ifc4x3_add2::IfcAxis2Placement2D(start_point, new Ifc4x3_add2::IfcDirection({cos(start_direction), sin(start_direction)})),
new Ifc4x3_add2::IfcLengthMeasure(offset),
new Ifc4x3_add2::IfcLengthMeasure(length),
parent_curve);
result.first = curve_segment;
} else if (type == Ifc4x3_add2::IfcAlignmentHorizontalSegmentTypeEnum::IfcAlignmentHorizontalSegmentType_HELMERTCURVE) {
auto a0_1 = start_radius ? length / start_radius : 0.0; // constant term, first half
auto a1_1 = 0.0; // linear term, first half
auto a2_1 = 2 * f; // quadratic term, first half
auto A0_1 = a0_1 ? length * pow(fabs(a0_1), -1. / 1.) * a0_1 / fabs(a0_1) : 0.0;
auto A1_1 = a1_1 ? length * pow(fabs(a1_1), -1. / 2.) * a1_1 / fabs(a1_1) : 0.0;
auto A2_1 = a2_1 ? length * pow(fabs(a2_1), -1. / 3.) * a2_1 / fabs(a2_1) : 0.0;
auto A0_1_optional = boost::optional<double>();
if (A0_1) {
A0_1_optional = A0_1;
}
auto A1_1_optional = boost::optional<double>();
if (A1_1) {
A1_1_optional = A1_1;
}
Ifc4x3_add2::IfcCurve* parent_curve1 = new Ifc4x3_add2::IfcSecondOrderPolynomialSpiral(
new Ifc4x3_add2::IfcAxis2Placement2D(new Ifc4x3_add2::IfcCartesianPoint(std::vector<double>({0, 0})), new Ifc4x3_add2::IfcDirection(std::vector<double>{1, 0})),
A2_1,
A1_1_optional,
A0_1_optional);
Ifc4x3_add2::IfcCurveSegment* curve_segment1 = new Ifc4x3_add2::IfcCurveSegment(
Ifc4x3_add2::IfcTransitionCode::IfcTransitionCode_CONTSAMEGRADIENT,
new Ifc4x3_add2::IfcAxis2Placement2D(start_point, new Ifc4x3_add2::IfcDirection({cos(start_direction), sin(start_direction)})),
new Ifc4x3_add2::IfcLengthMeasure(0.0),
new Ifc4x3_add2::IfcLengthMeasure(length/2),
parent_curve1);
result.first = curve_segment1;
auto a0_2 = -f + (start_radius ? length / start_radius : 0.0); // constant term, second half
auto a1_2 = 4 * f; // linear term, second half
auto a2_2 = -2 * f; // quadratic term, second half
auto A0_2 = a0_2 ? length * pow(fabs(a0_2), -1. / 1.) * a0_2 / fabs(a0_2) : 0.0;
auto A1_2 = a1_2 ? length * pow(fabs(a1_2), -1. / 2.) * a1_2 / fabs(a1_2) : 0.0;
auto A2_2 = a2_2 ? length * pow(fabs(a2_2), -1. / 3.) * a2_2 / fabs(a2_2) : 0.0;
auto A0_2_optional = boost::optional<double>();
if (A0_2) {
A0_2_optional = A0_2;
}
auto A1_2_optional = boost::optional<double>();
if (A1_2) {
A1_2_optional = A1_2;
}
Ifc4x3_add2::IfcCurve* parent_curve2 = new Ifc4x3_add2::IfcSecondOrderPolynomialSpiral(
new Ifc4x3_add2::IfcAxis2Placement2D(new Ifc4x3_add2::IfcCartesianPoint(std::vector<double>({0, 0})), new Ifc4x3_add2::IfcDirection(std::vector<double>{1, 0})),
A2_2,
A1_2_optional,
A0_2_optional);
Ifc4x3_add2::IfcCurveSegment* curve_segment2 = new Ifc4x3_add2::IfcCurveSegment(
Ifc4x3_add2::IfcTransitionCode::IfcTransitionCode_CONTSAMEGRADIENT,
new Ifc4x3_add2::IfcAxis2Placement2D(start_point, new Ifc4x3_add2::IfcDirection({cos(start_direction), sin(start_direction)})),
new Ifc4x3_add2::IfcLengthMeasure(length/2),
new Ifc4x3_add2::IfcLengthMeasure(length/2),
parent_curve2);
result.second = curve_segment2;
} else if (type == Ifc4x3_add2::IfcAlignmentHorizontalSegmentTypeEnum::IfcAlignmentHorizontalSegmentType_SINECURVE) {
auto a0 = start_radius ? length / start_radius : 0.0; // constant term
auto a1 = f; // linear term
auto a2 = -f / (2 * PI); // sine term
auto A0 = a0 ? length * pow(fabs(a0), -1. / 1.) * a0 / fabs(a0) : 0.0;
auto A1 = a1 ? length * pow(fabs(a1), -1. / 2.) * a1 / fabs(a1) : 0.0;
auto A2 = a2 ? length * pow(fabs(a2), -1. / 1.) * a2 / fabs(a2) : 0.0;
auto A0_optional = boost::optional<double>();
if (A0) {
A0_optional = A0;
}
auto A1_optional = boost::optional<double>();
if (A1) {
A1_optional = A1;
}
Ifc4x3_add2::IfcCurve* parent_curve = new Ifc4x3_add2::IfcSineSpiral(new Ifc4x3_add2::IfcAxis2Placement2D(new Ifc4x3_add2::IfcCartesianPoint(std::vector<double>({0, 0})), new Ifc4x3_add2::IfcDirection(std::vector<double>{1, 0})),
A2, A1_optional, A0_optional);
Ifc4x3_add2::IfcCurveSegment* curve_segment = new Ifc4x3_add2::IfcCurveSegment(
Ifc4x3_add2::IfcTransitionCode::IfcTransitionCode_CONTSAMEGRADIENT,
new Ifc4x3_add2::IfcAxis2Placement2D(start_point, new Ifc4x3_add2::IfcDirection({cos(start_direction), sin(start_direction)})),
new Ifc4x3_add2::IfcLengthMeasure(0.0),
new Ifc4x3_add2::IfcLengthMeasure(length),
parent_curve);
result.first = curve_segment;
} else if (type == Ifc4x3_add2::IfcAlignmentHorizontalSegmentTypeEnum::IfcAlignmentHorizontalSegmentType_VIENNESEBEND) {
Logger::Warning(std::string("mapping of AlignmentHorizontalSegmentType VIENNESEBEND not supported"));
} else {
Logger::Error(std::string("unexpected AlignmentHorizontalSegmentType encountered"));
}
return result;
}
std::pair<Ifc4x3_add2::IfcCurveSegment*, Ifc4x3_add2::IfcCurveSegment*> mapAlignmentVerticalSegment(const Ifc4x3_add2::IfcAlignmentVerticalSegment* segment) {
std::pair<Ifc4x3_add2::IfcCurveSegment*, Ifc4x3_add2::IfcCurveSegment*> result(nullptr, nullptr);
auto start_distance_along = segment->StartDistAlong();
auto horizontal_length = segment->HorizontalLength();
auto start_height = segment->StartHeight();
auto start_gradient = segment->StartGradient();
auto end_gradient = segment->EndGradient();
auto radius_of_curvature = segment->RadiusOfCurvature();
auto type = segment->PredefinedType();
if (type == Ifc4x3_add2::IfcAlignmentVerticalSegmentTypeEnum::IfcAlignmentVerticalSegmentType_CONSTANTGRADIENT) {
auto parent_curve = new Ifc4x3_add2::IfcLine(
new Ifc4x3_add2::IfcCartesianPoint(std::vector<double>({0, 0})),
new Ifc4x3_add2::IfcVector(new Ifc4x3_add2::IfcDirection(std::vector<double>{1, 0}), 1.0));
auto curve_segment = new Ifc4x3_add2::IfcCurveSegment(
Ifc4x3_add2::IfcTransitionCode::IfcTransitionCode_CONTSAMEGRADIENT,
new Ifc4x3_add2::IfcAxis2Placement2D(
new Ifc4x3_add2::IfcCartesianPoint({start_distance_along, start_height}),
new Ifc4x3_add2::IfcDirection({sqrt(1.0 - start_gradient * start_gradient), start_gradient})),
new Ifc4x3_add2::IfcLengthMeasure(0.0), // start
new Ifc4x3_add2::IfcLengthMeasure(horizontal_length),
parent_curve);
result.first = curve_segment;
} else if (type == Ifc4x3_add2::IfcAlignmentVerticalSegmentTypeEnum::IfcAlignmentVerticalSegmentType_PARABOLICARC) {
double A = 0.0;
double B = start_gradient;
double C = (end_gradient - start_gradient) / (2 * horizontal_length);
auto parent_curve = new Ifc4x3_add2::IfcPolynomialCurve(
new Ifc4x3_add2::IfcAxis2Placement2D(new Ifc4x3_add2::IfcCartesianPoint(std::vector<double>{0.0, 0.0}), new Ifc4x3_add2::IfcDirection(std::vector<double>{1.0, 0.0})),
std::vector<double>{0.0, 1.0},
std::vector<double>{A, B, C},
boost::none);
auto curve_segment = new Ifc4x3_add2::IfcCurveSegment(
Ifc4x3_add2::IfcTransitionCode::IfcTransitionCode_CONTSAMEGRADIENT,
new Ifc4x3_add2::IfcAxis2Placement2D(new Ifc4x3_add2::IfcCartesianPoint({start_distance_along,start_height}), new Ifc4x3_add2::IfcDirection({1.0, 0.0})),
new Ifc4x3_add2::IfcLengthMeasure(0.0),
new Ifc4x3_add2::IfcLengthMeasure(horizontal_length),
parent_curve);
result.first = curve_segment;
} else if (type == Ifc4x3_add2::IfcAlignmentVerticalSegmentTypeEnum::IfcAlignmentVerticalSegmentType_CLOTHOID) {
Logger::Warning(std::string("mapping of AlignmentVerticalSegmentType CLOTHOID not supported"));
} else if (type == Ifc4x3_add2::IfcAlignmentVerticalSegmentTypeEnum::IfcAlignmentVerticalSegmentType_CIRCULARARC) {
auto start_angle = atan(start_gradient);
auto end_angle = atan(end_gradient);
double radius;
if (start_angle < end_angle) {
radius = horizontal_length / (sin(end_angle) - sin(start_angle));
} else {
radius = horizontal_length / (sin(start_angle) - sin(end_angle));
}
Ifc4x3_add2::IfcCurve* parent_curve = new Ifc4x3_add2::IfcCircle(
new Ifc4x3_add2::IfcAxis2Placement2D(new Ifc4x3_add2::IfcCartesianPoint(std::vector<double>({0, 0})),
new Ifc4x3_add2::IfcDirection(std::vector<double>{1, 0})),
radius);
Ifc4x3_add2::IfcCurveSegment* curve_segment = new Ifc4x3_add2::IfcCurveSegment(
Ifc4x3_add2::IfcTransitionCode::IfcTransitionCode_CONTSAMEGRADIENT,
new Ifc4x3_add2::IfcAxis2Placement2D(new Ifc4x3_add2::IfcCartesianPoint({start_distance_along, start_height}), new Ifc4x3_add2::IfcDirection({1.0, 0.0})),
new Ifc4x3_add2::IfcLengthMeasure(0.0),
new Ifc4x3_add2::IfcLengthMeasure(horizontal_length),
parent_curve);
result.first = curve_segment;
} else {
Logger::Error(std::string("unexpected AlignmentVerticalSegmentType encountered"));
}
return result;
}
std::pair<Ifc4x3_add2::IfcCurveSegment*, Ifc4x3_add2::IfcCurveSegment*> mapAlignmentCantSegment(const Ifc4x3_add2::IfcAlignmentCantSegment* segment) {
std::pair<Ifc4x3_add2::IfcCurveSegment*, Ifc4x3_add2::IfcCurveSegment*> result(nullptr, nullptr);
auto type = segment->PredefinedType();
if (type == Ifc4x3_add2::IfcAlignmentCantSegmentTypeEnum::IfcAlignmentCantSegmentType_BLOSSCURVE) {
Logger::Warning(std::string("mapping of AlignmentCantSegmentType BLOSSCURVE not supported"));
} else if (type == Ifc4x3_add2::IfcAlignmentCantSegmentTypeEnum::IfcAlignmentCantSegmentType_CONSTANTCANT) {
Logger::Warning(std::string("mapping of AlignmentCantSegmentType CONSTANTCANT not supported"));
} else if (type == Ifc4x3_add2::IfcAlignmentCantSegmentTypeEnum::IfcAlignmentCantSegmentType_COSINECURVE) {
Logger::Warning(std::string("mapping of AlignmentCantSegmentType COSINECURVE not supported"));
} else if (type == Ifc4x3_add2::IfcAlignmentCantSegmentTypeEnum::IfcAlignmentCantSegmentType_HELMERTCURVE) {
Logger::Warning(std::string("mapping of AlignmentCantSegmentType HELMERTCURVE not supported"));
} else if (type == Ifc4x3_add2::IfcAlignmentCantSegmentTypeEnum::IfcAlignmentCantSegmentType_LINEARTRANSITION) {
Logger::Warning(std::string("mapping of AlignmentCantSegmentType LINEARTRANSTION not supported"));
} else if (type == Ifc4x3_add2::IfcAlignmentCantSegmentTypeEnum::IfcAlignmentCantSegmentType_SINECURVE) {
Logger::Warning(std::string("mapping of AlignmentCantSegmentType SINECURVE not supported"));
} else if (type == Ifc4x3_add2::IfcAlignmentCantSegmentTypeEnum::IfcAlignmentCantSegmentType_VIENNESEBEND) {
Logger::Warning(std::string("mapping of AlignmentCantSegmentType VIENNESEBEND not supported"));
} else {
Logger::Error(std::string("unexpected AlignmentCantSegmentType encountered"));
}
return result;
}
#endif
Reference in New Issue Copy Permalink