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Improve algorithm to check intersection of axis and sketch

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This commit is contained in:
wmayer 2012-12-13 19:11:37 +01:00
parent 7d6508de5e
commit 0a6979e0b9
1 changed files with 8 additions and 4 deletions
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12
src/Mod/PartDesign/App/FeatureSketchBased.cpp
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@ -618,10 +618,14 @@ const bool SketchBased::checkLineCrossesFace(const gp_Lin &line, const TopoDS_Fa
p_eps2 = adapt2.Value(adapt2.LastParameter() - 2*Precision::Confusion());
// now check if we get a change in the sign of the distances
Standard_Real dist_p_eps1_pnt = gp_Dir(gp_Vec(p_eps1, pnt)).Dot(dir);
Standard_Real dist_p_eps2_pnt = gp_Dir(gp_Vec(p_eps2, pnt)).Dot(dir);
if (dist_p_eps1_pnt * dist_p_eps2_pnt < 0)
return true;
Standard_Real dist_p_eps1_pnt = gp_Vec(p_eps1, pnt).Dot(gp_Vec(dir));
Standard_Real dist_p_eps2_pnt = gp_Vec(p_eps2, pnt).Dot(gp_Vec(dir));
// distance to the plane must be noticable
if (fabs(dist_p_eps1_pnt) > Precision::Confusion() &&
fabs(dist_p_eps2_pnt) > Precision::Confusion()) {
if (dist_p_eps1_pnt * dist_p_eps2_pnt < 0)
return true;
}
}
}
}