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Measure: corrected angle measurements bug (#27254)

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nishi
2026-02-01 14:43:10 +01:00
committed by GitHub
parent ce3fdd6e4b
commit 1818911c5f
1 changed files with 22 additions and 1 deletions
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23
src/Mod/Measure/App/MeasureAngle.cpp
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@@ -233,7 +233,28 @@ App::DocumentObjectExecReturn* MeasureAngle::execute()
Base::Vector3d vec2;
getVec(*ob2, subs2.at(0), vec2);
Angle.setValue(Base::toDegrees(vec1.GetAngle(vec2)));
if (vec1.IsParallel(vec2, Base::Precision::Angular())) {
// handle case when both vectors are parallel
Angle.setValue(0);
}
else {
// get oriented vectors based on common origin
Base::Vector3d loc1 = getLoc(*ob1, subs1.at(0));
Base::Vector3d loc2 = getLoc(*ob2, subs2.at(0));
Base::Vector3d origin = (loc1 + loc2) * 0.5;
// flip if needed, to make them point away from origin
if ((loc1 - origin).Dot(vec1) < 0) {
vec1 = -vec1;
}
if ((loc2 - origin).Dot(vec2) < 0) {
vec2 = -vec2;
}
// get oriented angle wrt normal axis
Base::Vector3d normalAxis = (vec1.Cross(vec2)).Normalize();
Angle.setValue(Base::toDegrees(vec1.GetAngleOriented(vec2, normalAxis)));
}
return DocumentObject::StdReturn;
}