const SMDS_MeshNode* n1down = side.getNode( 0, y-1 );
const SMDS_MeshNode* n2down = side.getNode( 1, y-1 );
avoidSet.clear(); avoidSet.insert( firstQuad );
const SMDS_MeshNode* n1down = side.getNode( 0, y-1 );
const SMDS_MeshNode* n2down = side.getNode( 1, y-1 );
avoidSet.clear(); avoidSet.insert( firstQuad );