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Implemented placement handling with transformation matrix.

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This commit is contained in:
Richard Brice
2023-09-28 14:58:21 -07:00
parent 1564b53ef5
commit d4f543d2ad
1 changed files with 5 additions and 19 deletions
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src/ifcgeom/mapping/IfcCurveSegment.cpp
+5 -19
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@@ -416,17 +416,9 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcCurveSegment* inst) {
std::vector<taxonomy::point3::ptr> polygon;
auto placement = inst->Placement();
auto location = placement->Location();
auto Cx = location->as<IfcSchema::IfcCartesianPoint>()->Coordinates()[0];
auto Cy = location->as<IfcSchema::IfcCartesianPoint>()->Coordinates()[1];
auto ref_dir = placement->as<IfcSchema::IfcAxis2Placement2D>()->RefDirection();
auto dx = ref_dir->DirectionRatios()[0];
auto dy = ref_dir->DirectionRatios()[1];
auto angle = atan2(dy, dx);
auto cos_angle = cos(angle);
auto sin_angle = sin(angle);
// @todo - for some reason this isn't working, the matrix gets all messed up
//const auto& transformation_matrix = taxonomy::cast<taxonomy::matrix4>(map(inst->Placement()))->ccomponents();
auto transformation_matrix = taxonomy::cast<taxonomy::matrix4>(map(inst->Placement()))->ccomponents();
auto length = cse.length();
if (0.001 < fabs(length))
@@ -435,14 +427,8 @@ taxonomy::ptr mapping::map_impl(const IfcSchema::IfcCurveSegment* inst) {
auto u = length * i / NUM_SEGMENTS;
auto p = cse(u);
auto xl = p(0);
auto yl = p(1);
auto z = p(2);
auto x = xl * cos_angle - yl * sin_angle + Cx;
auto y = xl * sin_angle + yl * cos_angle + Cy;
polygon.push_back(taxonomy::make<taxonomy::point3>(x,y,z));
auto result = transformation_matrix * Eigen::Vector4d(p(0),p(1),p(2), 1.);
polygon.push_back(taxonomy::make<taxonomy::point3>(result(0),result(1),result(2)));
}
}