ObjectPtr aObj = SketcherPrs_Tools::getResult(myConstraint, SketchPlugin_Constraint::ENTITY_A());
SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
gp_Pnt aP1 = aMgr->getPosition(aObj, this, theStep);
ObjectPtr aObj = SketcherPrs_Tools::getResult(myConstraint, SketchPlugin_Constraint::ENTITY_A());
SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
gp_Pnt aP1 = aMgr->getPosition(aObj, this, theStep);