// if (isQuadForward) faceId = meshDS->AddFace(a,b,c,d);
// else faceId = meshDS->AddFace(a,d,c,b);
SMDS_MeshFace * face = meshDS->AddFace(a, b, c, d);
// if (isQuadForward) faceId = meshDS->AddFace(a,b,c,d);
// else faceId = meshDS->AddFace(a,d,c,b);
SMDS_MeshFace * face = meshDS->AddFace(a, b, c, d);