if (e) {
assert( e->GetType() == SMDSAbs_Node );
_node = static_cast<const SMDS_MeshNode*>(e);
_node->GetXYZ(_xyz); // - thread safe getting coords
SetCoord( _xyz[0], _xyz[1], _xyz[2] );
if (e) {
assert( e->GetType() == SMDSAbs_Node );
_node = static_cast<const SMDS_MeshNode*>(e);
_node->GetXYZ(_xyz); // - thread safe getting coords
SetCoord( _xyz[0], _xyz[1], _xyz[2] );