app/controllers/export_controller.rb

   1 class ExportController < ApplicationController
   2   def start
   3   end
   4
   5   #When the user clicks 'Export' we redirect to a URL which generates the export download
   6   def finish
   7     bbox = BoundingBox.new(params[:minlon], params[:minlat], params[:maxlon], params[:maxlat])
   8     format = params[:format]
   9
  10     if format == "osm"
  11       #redirect to API map get
  12       redirect_to "http://api.openstreetmap.org/api/#{API_VERSION}/map?bbox=#{bbox}"
  13
  14     elsif format == "mapnik"
  15       #redirect to a special 'export' cgi script
  16       format = params[:mapnik_format]
  17       scale = params[:mapnik_scale]
  18
  19       redirect_to "http://tile.openstreetmap.org/cgi-bin/export?bbox=#{bbox}&scale=#{scale}&format=#{format}"
  20
  21     elsif format == "osmarender"
  22       #redirect to the t@h 'MapOf' service
  23       format = params[:osmarender_format]
  24       zoom = params[:osmarender_zoom].to_i
  25       width = bbox.slippy_width(zoom).to_i
  26       height = bbox.slippy_height(zoom).to_i
  27
  28       redirect_to "http://tah.openstreetmap.org/MapOf/index.php?long=#{bbox.centre_lon}&lat=#{bbox.centre_lat}&z=#{zoom}&w=#{width}&h=#{height}&format=#{format}"
  29     end
  30   end
  31 end