From 8429bf40aef049dd3869e4f8bc6ebebf348ffcbf Mon Sep 17 00:00:00 2001
From: Dmitry Anisimov <danston@ymail.com>
Date: Fri, 23 Apr 2021 10:55:46 +0200
Subject: [PATCH] updated triangulation 2 projection traits to internal traits
 until the first has all missing functions

---
 Weights/examples/Weights/projection_traits.cpp | 4 ++--
 Weights/todo.md                                | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/Weights/examples/Weights/projection_traits.cpp b/Weights/examples/Weights/projection_traits.cpp
index 727a1535845..54636838641 100644
--- a/Weights/examples/Weights/projection_traits.cpp
+++ b/Weights/examples/Weights/projection_traits.cpp
@@ -1,14 +1,14 @@
 #include <CGAL/Simple_cartesian.h>
 #include <CGAL/Weights/utils.h>
 #include <CGAL/Weights/mean_value_weights.h>
-#include <CGAL/Triangulation_2_projection_traits_3.h>
+#include <CGAL/Weights/internal/Projection_traits_3.h>
 
 // Typedefs.
 using Kernel   = CGAL::Simple_cartesian<double>;
 using FT       = typename Kernel::FT;
 using Point_3  = typename Kernel::Point_3;
 using Vector_3 = typename Kernel::Vector_3;
-using PTraits  = CGAL::Triangulation_2_projection_traits_3<Kernel>;
+using PTraits  = CGAL::Weights::internal::Projection_traits_3<Kernel>;
 
 int main() {
 
diff --git a/Weights/todo.md b/Weights/todo.md
index e7fe86252f7..701e0bd139b 100644
--- a/Weights/todo.md
+++ b/Weights/todo.md
@@ -21,3 +21,4 @@ Later:
 To do now:
 * What happens with WP/MV/DH weights on the polygon boundary?
 * Check if this code works with the Projection_traits_xy class. E.g. the latter does not have the object Construct_centroid_2.
+* Add missing functions in Triangulation_2_projection_3 traits.