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Updates alignment api

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Fixes mapping of vertical alignment parabola business logic to geometry. Adds creation function of h and v alignment. Adds stationing referent at start of alignment. Fixes utility functions
This commit is contained in:
Richard Brice
2025-02-22 16:16:59 -08:00
parent 12f8a1f769
commit 8c16f394c1
4 changed files with 525 additions and 30 deletions
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src/ifcparse/IfcAlignmentHelper.cpp
+8 -13
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@@ -208,7 +208,7 @@ Ifc4x3_add2::IfcAlignment* addHorizontalAlignment(IfcHierarchyHelper<Ifc4x3_add2
placement = file.addLocalPlacement();
// the alignment has two representations, a plan view footprint
// the alignment has a plan view footprint representation
typename aggregate_of<Ifc4x3_add2::IfcRepresentation>::ptr alignment_representations(new aggregate_of<Ifc4x3_add2::IfcRepresentation>());
alignment_representations->push(footprint_shape_representation); // 2D footprint
@@ -258,7 +258,6 @@ std::tuple<typename aggregate_of<Ifc4x3_add2::IfcObjectDefinition>::ptr, typenam
// 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);
@@ -274,8 +273,6 @@ std::tuple<typename aggregate_of<Ifc4x3_add2::IfcObjectDefinition>::ptr, typenam
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);
@@ -296,7 +293,6 @@ std::tuple<typename aggregate_of<Ifc4x3_add2::IfcObjectDefinition>::ptr, typenam
auto slope = tan(atan2(dy,dx));
auto gradient_length = dx;
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);
@@ -305,7 +301,6 @@ std::tuple<typename aggregate_of<Ifc4x3_add2::IfcObjectDefinition>::ptr, typenam
}
// 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);
@@ -358,14 +353,14 @@ Ifc4x3_add2::IfcAlignment* addAlignment(IfcHierarchyHelper<Ifc4x3_add2>& file, c
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 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);
// 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);
@@ -375,10 +370,10 @@ Ifc4x3_add2::IfcAlignment* addAlignment(IfcHierarchyHelper<Ifc4x3_add2>& file, c
_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
// the alignment has a 3d curve representation
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
alignment_representations->push(footprint_shape_representation); // 2D curve
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);