From c6b5ef3c81d995c475917c42cdfdbe6cf0a7db38 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Wed, 11 Apr 2012 11:23:02 +0200
Subject: [PATCH] 0000633: Mesh Boolean operations all return empty mesh

---
 src/Mod/Mesh/App/Core/Triangulation.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Mod/Mesh/App/Core/Triangulation.cpp b/src/Mod/Mesh/App/Core/Triangulation.cpp
index 68babf99d..17896594c 100644
--- a/src/Mod/Mesh/App/Core/Triangulation.cpp
+++ b/src/Mod/Mesh/App/Core/Triangulation.cpp
@@ -158,7 +158,7 @@ MeshGeomFacet AbstractPolygonTriangulator::GetTriangle(const MeshPointArray& poi
 bool AbstractPolygonTriangulator::TriangulatePolygon()
 {
     try {
-        if (this->_points.size() != this->_indices.size()) {
+        if (!this->_indices.empty() && this->_points.size() != this->_indices.size()) {
             Base::Console().Log("Triangulation: %d points <> %d indices\n", _points.size(), _indices.size());
             return false;
         }