X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/599c48227a94339f7e58bddc3fb0d0215baa58c4..677f391ec1e49b58136717bbd45fdee00008855a:/app/controllers/export_controller.rb

diff --git a/app/controllers/export_controller.rb b/app/controllers/export_controller.rb
index b1d992e6d..754cc4b82 100644
--- a/app/controllers/export_controller.rb
+++ b/app/controllers/export_controller.rb
@@ -1,23 +1,25 @@
 class ExportController < ApplicationController
   def start
-    render :update do |page|
-      page.replace_html :sidebar_title, 'Export'
-      page.replace_html :sidebar_content, :partial => 'start'
-    end
   end
 
+  #When the user clicks 'Export' we redirect to a URL which generates the export download
   def finish
     bbox = BoundingBox.new(params[:minlon], params[:minlat], params[:maxlon], params[:maxlat])
     format = params[:format]
 
     if format == "osm"
+      #redirect to API map get
       redirect_to "http://api.openstreetmap.org/api/#{API_VERSION}/map?bbox=#{bbox}"
+      
     elsif format == "mapnik"
+      #redirect to a special 'export' cgi script
       format = params[:mapnik_format]
       scale = params[:mapnik_scale]
 
       redirect_to "http://tile.openstreetmap.org/cgi-bin/export?bbox=#{bbox}&scale=#{scale}&format=#{format}"
+      
     elsif format == "osmarender"
+      #redirect to the t@h 'MapOf' service
       format = params[:osmarender_format]
       zoom = params[:osmarender_zoom].to_i
       width = bbox.slippy_width(zoom).to_i