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[TD]Check first/last geom points exist

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wandererfan
2019-09-08 15:56:38 -04:00
committed by WandererFan
parent 006e1198dd
commit ee0bcc095c
1 changed files with 24 additions and 6 deletions
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30
src/Mod/TechDraw/App/Geometry.cpp
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@@ -227,11 +227,15 @@ std::vector<Base::Vector3d> BaseGeom::findEndPoints()
{
std::vector<Base::Vector3d> result;
gp_Pnt p = BRep_Tool::Pnt(TopExp::FirstVertex(occEdge));
result.push_back(Base::Vector3d(p.X(),p.Y(), p.Z()));
p = BRep_Tool::Pnt(TopExp::LastVertex(occEdge));
result.push_back(Base::Vector3d(p.X(),p.Y(), p.Z()));
if (!occEdge.IsNull()) {
gp_Pnt p = BRep_Tool::Pnt(TopExp::FirstVertex(occEdge));
result.push_back(Base::Vector3d(p.X(),p.Y(), p.Z()));
p = BRep_Tool::Pnt(TopExp::LastVertex(occEdge));
result.push_back(Base::Vector3d(p.X(),p.Y(), p.Z()));
} else {
//TODO: this should throw something
Base::Console().Message("Geometry::findEndPoints - OCC edge not found\n");
}
return result;
}
@@ -239,13 +243,27 @@ std::vector<Base::Vector3d> BaseGeom::findEndPoints()
Base::Vector3d BaseGeom::getStartPoint()
{
std::vector<Base::Vector3d> verts = findEndPoints();
return verts[0];
if (!verts.empty()) {
return verts[0];
} else {
//TODO: this should throw something
Base::Console().Message("Geometry::getStartPoint - start point not found!\n");
Base::Vector3d badResult(0.0, 0.0, 0.0);
return badResult;
}
}
Base::Vector3d BaseGeom::getEndPoint()
{
std::vector<Base::Vector3d> verts = findEndPoints();
if (verts.size() != 2) {
//TODO: this should throw something
Base::Console().Message("Geometry::getEndPoint - end point not found!\n");
Base::Vector3d badResult(0.0, 0.0, 0.0);
return badResult;
}
return verts[1];
}