Join modifications from branch OCC_development_for_3_2_0a2

[modules/smesh.git] / src / SMDS / SMDS_FaceOfEdges.cxx

diff --git a/src/SMDS/SMDS_FaceOfEdges.cxx b/src/SMDS/SMDS_FaceOfEdges.cxx
index 640c55d30194f44cd2835f4164abfaed5bc93a3b..7a014afb8bc6f10522930b8ee5696bdcccab1325 100644 (file)
--- a/src/SMDS/SMDS_FaceOfEdges.cxx
+++ b/src/SMDS/SMDS_FaceOfEdges.cxx
@@ -155,3 +155,29 @@ SMDS_FaceOfEdges::SMDS_FaceOfEdges(const SMDS_MeshEdge* edge1,
 
 }*/
 
+
+int SMDS_FaceOfEdges::NbNodes() const
+{
+  return myEdges[0]->NbNodes() + myEdges[1]->NbNodes() + myEdges[2]->NbNodes() +
+    ( myNbEdges == 4 ? myEdges[3]->NbNodes() : 0 ) - myNbEdges;
+}
+
+/*!
+ * \brief Return node by its index
+ * \param ind - node index
+ * \retval const SMDS_MeshNode* - the node
+ * 
+ * Index is wrapped if it is out of a valid range
+ */
+const SMDS_MeshNode* SMDS_FaceOfEdges::GetNode(const int ind) const
+{
+  int index = WrappedIndex( ind );
+  for ( int i = 0; i < myNbEdges; ++i ) {
+    if ( index >= myEdges[ i ]->NbNodes() )
+      index -= myEdges[ i ]->NbNodes();
+    else
+      return myEdges[ i ]->GetNode( index );
+  }
+  return 0;
+}
+