Glassvision/IfcOpenShell
1
0
Fork 0
mirror of https://github.com/IfcOpenShell/IfcOpenShell.git synced 2026-09-26 18:21:59 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fixes bug computing cross slope

Browse Source
This commit is contained in:
Richard Brice
2026-05-25 10:28:40 -07:00
committed by Thomas Krijnen
parent 9169e8ed24
commit 54dd0b5448
1 changed files with 3 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/ifcgeom/mapping/IfcCurveSegment.cpp
+3 -4
View File
@@ -491,11 +491,10 @@ class curve_segment_evaluator {
// tilt angle in the plane of the cross section // tilt angle in the plane of the cross section
auto cant = Cant(u); auto cant = Cant(u);
auto tilt_angle = start_angle + delta_angle * (cant - start_cant) / delta_cant; auto tilt_angle = start_angle + delta_angle * (cant - start_cant) / delta_cant;
Eigen::Vector4d z(0.0, cos(tilt_angle), sin(tilt_angle), 0.0); Eigen::Vector4d axis(0.0, cos(tilt_angle), sin(tilt_angle), 0.0);
// compute axis direction // compute cross slope direction
Eigen::Vector4d y = z.cross3(ref_dir); Eigen::Vector4d y = axis.cross3(ref_dir);
Eigen::Vector4d axis = ref_dir.cross3(y);
Eigen::Matrix4d m = Eigen::Matrix4d::Identity(); Eigen::Matrix4d m = Eigen::Matrix4d::Identity();
m.col(0) = ref_dir; m.col(0) = ref_dir;