From: Tom Hughes <tom@compton.nu>
Date: Tue, 19 Jun 2007 13:58:44 +0000 (+0000)
Subject: Cope with the degenerate case of a GPX file with only a single point.
X-Git-Tag: live~8356
X-Git-Url: https://git.openstreetmap.org/rails.git/commitdiff_plain/7f2756fe204ba728c2cb282fb0e372be1afc317f

Cope with the degenerate case of a GPX file with only a single point.
---

diff --git a/lib/osm.rb b/lib/osm.rb
index 1941d6daf..40ec9da3d 100644
--- a/lib/osm.rb
+++ b/lib/osm.rb
@@ -22,10 +22,11 @@ module OSM
       @clat = lat
       @clon = lon
       @degrees_per_pixel = degrees_per_pixel
+      @degrees_per_pixel = 0.0000000001 if @degrees_per_pixel < 0.0000000001
       @width = width
       @height = height
-      @dlon = width / 2 * degrees_per_pixel
-      @dlat = height / 2 * degrees_per_pixel  * cos(@clat * PI / 180)
+      @dlon = width / 2 * @degrees_per_pixel
+      @dlat = height / 2 * @degrees_per_pixel  * cos(@clat * PI / 180)
 
       @tx = xsheet(@clon - @dlon)
       @ty = ysheet(@clat - @dlat)
@@ -197,7 +198,7 @@ module OSM
     end
 
     def get_icon(min_lat, min_lon, max_lat, max_lon)
-      puts "getting icon for bbox #{min_lat},#{min_lon} - #{max_lat},#{max_lon}"
+      #puts "getting icon for bbox #{min_lat},#{min_lon} - #{max_lat},#{max_lon}"
       width = 50
       height = 50
       rat= Math.cos( ((max_lat + min_lat)/2.0) /  180.0 * 3.141592)