From: Tom Hughes <tom@compton.nu>
Date: Fri, 13 May 2011 16:27:12 +0000 (+0100)
Subject: Handle large bounding box changesets better
X-Git-Tag: live~5058^2~154
X-Git-Url: https://git.openstreetmap.org/rails.git/commitdiff_plain/bb2c0c76ae8b85621c71d2d26e019a1871b39d50

Handle large bounding box changesets better

If the bounding box of a changeset is much larger than the map then
there seem to be problems with OL not rendering the feature correctly
so reduce the highlight to just be the extent of the map plus a small
margin in that case.
---

diff --git a/app/views/changeset/_map.html.erb b/app/views/changeset/_map.html.erb
index 6d7aa96c0..5f5f4aa5d 100644
--- a/app/views/changeset/_map.html.erb
+++ b/app/views/changeset/_map.html.erb
@@ -14,7 +14,11 @@
     var feature = vectors.getFeatureByFid(id);
     var bounds = feature.geometry.getBounds();
 
-    if ( highlight ) vectors.removeFeatures(highlight);
+    if (bounds.containsBounds(map.getExtent())) {
+      bounds = map.getExtent().scale(1.1);
+    }
+
+    if (highlight) vectors.removeFeatures(highlight);
 
     highlight = new OpenLayers.Feature.Vector(bounds.toGeometry(), {}, {
       strokeWidth: 2,