From 4d1fafa2b672655d51165358bb533383f8af0698 Mon Sep 17 00:00:00 2001
From: Ralf Gerlich <ralf.gerlich@custom-scenery.org>
Date: Wed, 6 Aug 2008 15:21:59 +0200
Subject: [PATCH] Sign bug in calc_point_inside()

---
 src/Lib/Geometry/poly_support.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Lib/Geometry/poly_support.cxx b/src/Lib/Geometry/poly_support.cxx
index 935daa71..05d4e64c 100644
--- a/src/Lib/Geometry/poly_support.cxx
+++ b/src/Lib/Geometry/poly_support.cxx
@@ -681,7 +681,7 @@ static void calc_point_inside( TGContourNode *node, TGPolygon &p ) {
             if (diff<=8.0*SG_EPSILON) {
                     continue;
             }
-            yline=point_it->y()+diff/2.0;
+            yline=point_it->y()-diff/2.0;
             
             // cout << "calc_point_inside() " << allpoints.size() << " points ";
             // copy(allpoints.begin(), allpoints.end(), ostream_iterator<Point3D>(cout, " "));