Merge pull request #3369 from maxGimeno/AABB_tree-AABB_transformed_traits-GF

[Small Feature] Add collision detection in PMP

Cartesian_kernel/include/CGAL/Cartesian_converter.h

@@ -393,6 +393,24 @@ public:
       return std::make_pair(operator()(pp.first), operator()(pp.second));
     }
 
+    typename K2::Aff_transformation_3
+    operator()(const typename K1::Aff_transformation_3 &a) const
+    {
+        typedef typename K2::Aff_transformation_3 Aff_transformation_3;
+      typename K2::FT t[12];
+      for(int i=0; i< 3; ++i)
+      {
+        for(int j=0; j<4; ++j)
+        {
+          t[i*4+j] = a.m(i,j);
+        }
+      }
+      return Aff_transformation_3(
+            t[0],t[1],t[2],t[3],
+            t[4],t[5],t[6],t[7],
+            t[8],t[9],t[10],t[11],
+            a.m(3,3));
+    }
 private:
     Converter c;
     K2 k;