fix examples

Former-commit-id: b633956bd5

examples/intersections/example.cpp

@@ -477,9 +477,10 @@ void color_selfintersections(
   using namespace Eigen;
   MatrixXd SV;
   MatrixXi SF,IF;
+  VectorXi J,IM;
   SelfintersectParam params;
   params.detect_only = true;
-  selfintersect(V,F,params,SV,SF,IF);
+  selfintersect(V,F,params,SV,SF,IF,J,IM);
   C.resize(F.rows(),3);
   C.col(0).setConstant(0.4);
   C.col(1).setConstant(0.8);
@@ -622,13 +623,13 @@ int main(int argc, char * argv[])
     return true;
   };
 
-  if(!read_triangle_mesh(filename,V,F,N))
+  if(!read(filename,V,F,N))
   {
     return 1;
   }
   if(has_other)
   {
-    if(!read_triangle_mesh(argv[2],U,G,W))
+    if(!read(argv[2],U,G,W))
     {
       return 1;
     }