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Fixes tilt slope for cant

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This commit is contained in:
Richard Brice
2024-04-10 14:09:46 -07:00
parent 7589e0bd40
commit a34da81ac5
1 changed files with 1 additions and 1 deletions
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src/ifcgeom/mapping/IfcCurveSegment.cpp
+1 -1
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@@ -272,7 +272,7 @@ class cant_adjuster : public GEOMETRY_ADJUSTER {
// compute h is greater than PI/2 and the tangent of that angle is negative. // compute h is greater than PI/2 and the tangent of that angle is negative.
// For this reason, use fabs(h) so tilt is between 0 and PI // For this reason, use fabs(h) so tilt is between 0 and PI
double cant = parent_curve_point.col(3)(1); double cant = parent_curve_point.col(3)(1);
auto tilt = atan2(fabs(h), cant); auto tilt = -atan2(fabs(h), cant);
// Create a transformation matrix // Create a transformation matrix
Eigen::Matrix4d m = Eigen::Matrix4d::Identity(); Eigen::Matrix4d m = Eigen::Matrix4d::Identity();