app/controllers/export_controller.rb

   1 class ExportController < ApplicationController
   2   def start
   3     render :update do |page|
   4       page.replace_html :sidebar_title, 'Export'
   5       page.replace_html :sidebar_content, :partial => 'start'
   6     end
   7   end
   8
   9   def finish
  10     bbox = BoundingBox.new(params[:minlon], params[:minlat], params[:maxlon], params[:maxlat])
  11     format = params[:format]
  12
  13     if format == "osm"
  14       redirect_to "http://api.openstreetmap.org/api/#{API_VERSION}/map?bbox=#{bbox}"
  15     elsif format == "mapnik"
  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     elsif format == "osmarender"
  21       format = params[:osmarender_format]
  22       zoom = params[:osmarender_zoom].to_i
  23       width = bbox.slippy_width(zoom).to_i
  24       height = bbox.slippy_height(zoom).to_i
  25
  26       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}"
  27     end
  28   end
  29 end