From 822531a114a82090284139716706270c7b4a2949 Mon Sep 17 00:00:00 2001
From: artemp <artem@mapnik.org>
Date: Mon, 30 Jul 2012 18:32:42 +0100
Subject: [PATCH] + filter on geometry type to use centroid (Polygon) or  
 middle_point (LineString) label placement

---
 src/symbolizer_helpers.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/symbolizer_helpers.cpp b/src/symbolizer_helpers.cpp
index 1cf014bb9..85a917787 100644
--- a/src/symbolizer_helpers.cpp
+++ b/src/symbolizer_helpers.cpp
@@ -244,7 +244,14 @@ void text_symbolizer_helper<FaceManagerT, DetectorT>::initialize_points()
         {
             if (how_placed == POINT_PLACEMENT)
             {
-                label::centroid(geom, label_x, label_y);
+                if (geom.type() == Polygon)
+                {
+                    label::centroid(geom, label_x, label_y);
+                }
+                else if (geom.type() == LineString)
+                {
+                    label::middle_point(geom, label_x,label_y);
+                }
             }
             else if (how_placed == INTERIOR_PLACEMENT)
             {