added new splits to ranges

src/polymesh/impl/impl_ranges.hh

@@ -734,6 +734,12 @@ vertex_handle face_collection<iterator>::split(face_handle f) const
     return this->mesh->handle_of(low_level_api(this->mesh).face_split(f.idx));
 }
 
+template <class iterator>
+void face_collection<iterator>::split(face_handle f, vertex_handle v) const
+{
+    low_level_api(this->mesh).face_split(f.idx, v.idx);
+}
+
 template <class iterator>
 face_handle face_collection<iterator>::fill(halfedge_handle h) const
 {
@@ -746,6 +752,12 @@ vertex_handle edge_collection<iterator>::split(edge_handle e) const
     return this->mesh->handle_of(low_level_api(this->mesh).edge_split(e.idx));
 }
 
+template <class iterator>
+void edge_collection<iterator>::split(edge_handle e, vertex_handle v) const
+{
+    low_level_api(this->mesh).edge_split(e.idx, v.idx);
+}
+
 template <class iterator>
 void vertex_collection<iterator>::collapse(vertex_handle v) const
 {
@@ -776,6 +788,12 @@ vertex_handle halfedge_collection<iterator>::split(halfedge_handle h) const
     return this->mesh->handle_of(low_level_api(this->mesh).halfedge_split(h.idx));
 }
 
+template <class iterator>
+void halfedge_collection<iterator>::split(halfedge_handle h, vertex_handle v) const
+{
+    low_level_api(this->mesh).halfedge_split(h.idx, v.idx);
+}
+
 template <class iterator>
 void halfedge_collection<iterator>::attach(halfedge_handle h, vertex_handle v) const
 {

src/polymesh/ranges.hh

@@ -236,6 +236,8 @@ struct face_collection : smart_collection<Mesh*, face_tag, iterator>
     /// Preserves half-edge attributes
     /// The face itself is deleted and multiple new ones are created
     vertex_handle split(face_handle f) const;
+    /// same as before but splits at a given ISOLATED vertex
+    void split(face_handle f, vertex_handle v) const;
 
     /// Fills the half-edge ring of a given boundary half-edge
     /// Returns the new face
@@ -271,6 +273,8 @@ struct edge_collection : smart_collection<Mesh*, edge_tag, iterator>
     /// Preserves face attributes
     /// The edge itself is deleted and two new ones are created
     vertex_handle split(edge_handle e) const;
+    /// same as before but splits at a given ISOLATED vertex
+    void split(edge_handle e, vertex_handle v) const;
 
     /// Moves both half-edges vertices to their next half-edge vertex
     /// Equivalent to an edge flip if both faces are triangular
@@ -319,6 +323,8 @@ struct halfedge_collection : smart_collection<Mesh*, halfedge_tag, iterator>
     /// Contrary to edges().split, the edge is preserved and a single new one is inserted AFTER h
     /// (thus h->next() is the newly inserted edge and h->vertex_to() is the returned vertex)
     vertex_handle split(halfedge_handle h) const;
+    /// same as before but splits at a given ISOLATED vertex
+    void split(halfedge_handle h, vertex_handle v) const;
 
     /// Given an isolated vertex v, inserts a self-adjacent edge at the to-vertex to v
     void attach(halfedge_handle h, vertex_handle v) const;