Limit Osmarender zoom to 17 levels.

[rails.git] / app / views / export / start.rjs

diff --git a/app/views/export/start.rjs b/app/views/export/start.rjs
index 2babcc982e2d78ac5df6380d10836b21cfe94736..83db38002444d179027a582a7012f0dc12fc8176 100644 (file)
--- a/app/views/export/start.rjs
+++ b/app/views/export/start.rjs
@@ -246,7 +246,9 @@ page << <<EOJ
     bounds.transform(epsg4326, epsg900913);
     var zoom = map.getZoomForExtent(bounds);
     
-    html += '<br /><small><a href="http://#{SERVER_URL}/?lat='+center.lat+'&lon='+center.lon+'&zoom='+zoom+markerUrl+'">View Larger Map</a></small>';
+    var layers = getMapLayers();
+
+    html += '<br /><small><a href="http://#{SERVER_URL}/?lat='+center.lat+'&lon='+center.lon+'&zoom='+zoom+'&layers='+layers+markerUrl+'">View Larger Map</a></small>';
 
     $("export_html_text").value = html;
 
@@ -325,7 +327,7 @@ page << <<EOJ
     var ymax = bounds.top * Math.PI / 180;
     var yzoom = Math.LOG2E * (Math.log(2000 * 2 * Math.PI) - Math.log(Math.log((Math.tan(ymax) + 1 / Math.cos(ymax)) / (Math.tan(ymin) + 1 / Math.cos(ymin)))))
 
-    return Math.floor(Math.min(xzoom, yzoom));
+    return Math.min(Math.floor(Math.min(xzoom, yzoom)), 17);
   }
 
   function roundScale(scale) {