build Trisegment only for skeleton triedge

sloriot · sloriot · commit 2366e20b2b3d · 2026-03-26T18:22:28.000+01:00
diff --git a/Straight_skeleton_2/include/CGAL/Straight_skeleton_2/Straight_skeleton_builder_2_impl.h b/Straight_skeleton_2/include/CGAL/Straight_skeleton_2/Straight_skeleton_builder_2_impl.h
@@ -102,7 +102,7 @@ Straight_skeleton_builder_2<Gt,Ss,V>::FindEdgeEvent( Vertex_handle aLNode,
 
   Triedge lTriedge = GetVertexTriedge(aLNode) & GetVertexTriedge(aRNode) ;
 
-  if ( lTriedge.is_valid() && lTriedge != aPrevEventTriedge )
+  if ( lTriedge.is_valid() && lTriedge.is_skeleton() && lTriedge != aPrevEventTriedge )
   {
     Trisegment_2_ptr lTrisegment = CreateTrisegment(lTriedge,aLNode,aRNode);
 

Original file line number	Diff line number	Diff line change
`@@ -102,7 +102,7 @@ Straight_skeleton_builder_2<Gt,Ss,V>::FindEdgeEvent( Vertex_handle aLNode,`
`102`	`102`
`103`	`103`	`Triedge lTriedge = GetVertexTriedge(aLNode) & GetVertexTriedge(aRNode) ;`
`104`	`104`
`105`		`- if ( lTriedge.is_valid() && lTriedge != aPrevEventTriedge )`
	`105`	`+ if ( lTriedge.is_valid() && lTriedge.is_skeleton() && lTriedge != aPrevEventTriedge )`
`106`	`106`	`{`
`107`	`107`	`Trisegment_2_ptr lTrisegment = CreateTrisegment(lTriedge,aLNode,aRNode);`
`108`	`108`