class ExportController < ApplicationController
def start
- render :update do |page|
- page.replace_html :sidebar_title, 'Export'
- page.replace_html :sidebar_content, :partial => 'start'
- page.call "openSidebar"
- 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