AttributeSelectionPtr aRef2 = data()->selection(ConstructionPlugin_Axis::POINT_SECOND());
if ((aRef1.get() != NULL) && (aRef2.get() != NULL)) {
GeomShapePtr aShape1 = aRef1->value();
+ if (!aShape1.get())
+ aShape1 = aRef1->context()->shape();
GeomShapePtr aShape2 = aRef2->value();
+ if (!aShape2.get())
+ aShape2 = aRef2->context()->shape();
if (aShape1->isVertex() && aShape2->isVertex() && (!aShape1->isEqual(aShape2))) {
std::shared_ptr<GeomAPI_Pnt> aStart = GeomAlgoAPI_PointBuilder::point(aShape1);
std::shared_ptr<GeomAPI_Pnt> anEnd = GeomAlgoAPI_PointBuilder::point(aShape2);