bool ComputeParameters (const gp_Pnt& thePoint,
gp_XYZ& theParams,
const int theShapeID = ID_Shell);
- // compute point parameters in the block
+ // compute point parameters in the block.
+ // Note: for edges, it is better to use EdgeParameters()
+
+ bool VertexParameters(const int theVertexID, gp_XYZ& theParams);
+ // return parameters of a vertex given by TShapeID
+
+ bool EdgeParameters(const int theEdgeID, const double theU, gp_XYZ& theParams);
+ // return parameters of a point given by theU on edge
static void GetFaceEdgesIDs (const int faceID, vector< int >& edgeVec );
// return edges IDs of a face in the order u0, u1, 0v, 1v
