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Fixes build issue with mapping

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This commit is contained in:
Richard Brice
2023-11-09 09:43:36 -08:00
parent 43a9c050eb
commit 12e69ff07a
1 changed files with 24 additions and 23 deletions
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src/ifcgeom/mapping/IfcCurveSegment.cpp
+24 -23
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@@ -97,29 +97,30 @@ class segment_geometry_adjuster {
auto next = taxonomy::cast<taxonomy::piecewise_function>(mapping->map(next_inst));
start_of_next_inst_ = next->evaluate(0.0);
} else {
// there is not a next segment, however IfcGradientCurve and IfcSegmentedRefernceCurve
// have an optional EndPoint attribute that serves the same purpose as the zero-length
// "next segment" at the end of the curve. The Ifc specification is a little redundant
// in that the "zero length" segment is required thereby negating the need for EndPoint
// but some implementations use the EndPoint instead of the "zero length" segment
//
// Get the parent of this segment. If it is a IfcGradientCurve or IfcSegmentedRefernceCurve
// look for the optional EndPoint attribute
auto curves = inst->UsingCurves();
if (curves && curves->size() {
auto curve = *curves->begin();
const IfcSchema::IfcPlacement* placement = nullptr;
if (curve->as<IfcSchema::IfcSegmentedReferenceCurve>()) {
auto s = curve->as<IfcSchema::IfcSegmentedReferenceCurve>();
placement = s->EndPoint();
} else if (curve->as<IfcSchema::IfcGradientCurve>()) {
auto s = curve->as<IfcSchema::IfcGradientCurve>();
placement = s->EndPoint();
}
if (placement) {
start_of_next_inst_ = taxonomy::cast<taxonomy::matrix4>(mapping->map(placement))->ccomponents();
}
}
// there is not a next segment, however IfcGradientCurve and IfcSegmentedRefernceCurve
// have an optional EndPoint attribute that serves the same purpose as the zero-length
// "next segment" at the end of the curve. The Ifc specification is a little redundant
// in that the "zero length" segment is required thereby negating the need for EndPoint
// but some implementations use the EndPoint instead of the "zero length" segment
//
// Get the parent of this segment. If it is a IfcGradientCurve or IfcSegmentedRefernceCurve
// look for the optional EndPoint attribute
auto curves = inst->UsingCurves();
if (curves && curves->size() {
auto curve = *curves->begin();
const IfcSchema::IfcPlacement* placement = nullptr;
if (curve->as<IfcSchema::IfcSegmentedReferenceCurve>()) {
auto s = curve->as<IfcSchema::IfcSegmentedReferenceCurve>();
placement = s->EndPoint();
} else if (curve->as<IfcSchema::IfcGradientCurve>()) {
auto s = curve->as<IfcSchema::IfcGradientCurve>();
placement = s->EndPoint();
}
if (placement) {
start_of_next_inst_ = taxonomy::cast<taxonomy::matrix4>(mapping->map(placement))->ccomponents();
}
}
}
}
}