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Normalize model-rotation quaternion

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This commit is contained in:
Thomas Krijnen
2025-03-19 11:40:54 +01:00
parent d912012f76
commit 26b55216ca
1 changed files with 1 additions and 1 deletions
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src/ifcgeom/mapping/mapping.cpp
+1 -1
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@@ -874,7 +874,7 @@ void mapping::initialize_units_() {
if (settings_.get<ModelRotation>().has()) { if (settings_.get<ModelRotation>().has()) {
auto vs = settings_.get<ModelRotation>().get(); auto vs = settings_.get<ModelRotation>().get();
if (vs.size() == 4) { if (vs.size() == 4) {
auto m3 = Eigen::Quaterniond(vs[0], vs[1], vs[2], vs[3]).matrix(); auto m3 = Eigen::Quaterniond(vs[0], vs[1], vs[2], vs[3]).normalized().matrix();
Eigen::Matrix4d m4 = Eigen::Matrix4d::Identity(); Eigen::Matrix4d m4 = Eigen::Matrix4d::Identity();
m4 << m3; m4 << m3;
offset_and_rotation_ *= m4; offset_and_rotation_ *= m4;