SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
gp_Pnt aP1 = aMgr->getPosition(aObj, this, theStep);
myPntArray->SetVertice(1, aP1);
SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
gp_Pnt aP1 = aMgr->getPosition(aObj, this, theStep);
myPntArray->SetVertice(1, aP1);