+
+ if ( smdsType == SMDSEntity_Polygon )
+ {
+ if ( reverseInterlaces[ smdsType ].size() != nbNodes )
+ {
+ reverseInterlaces[ smdsType ].resize( nbNodes );
+ for ( size_t i = 0; i < nbNodes; ++i )
+ reverseInterlaces[ smdsType ][i] = nbNodes - i - 1;
+ }
+ }
+ else if ( smdsType == SMDSEntity_Quad_Polygon )
+ {
+ if ( reverseInterlaces[ smdsType ].size() != nbNodes )
+ {
+ // e.g. for 8 nodes: [ 0, 3,2,1, 7,6,5,4 ]
+ reverseInterlaces[ smdsType ].resize( nbNodes );
+ size_t pos = 0;
+ reverseInterlaces[ smdsType ][pos++] = 0;
+ for ( int i = nbNodes / 2 - 1; i > 0 ; --i ) // 3,2,1
+ reverseInterlaces[ smdsType ][pos++] = i;
+ for ( int i = nbNodes - 1, nb = nbNodes / 2; i >= nb; --i ) // 7,6,5,4
+ reverseInterlaces[ smdsType ][pos++] = i;
+ }
+ }
+