+# coding: utf-8
+
class GeocoderController < ApplicationController
require 'uri'
require 'net/http'
before_filter :authorize_web
before_filter :set_locale
+ before_filter :convert_latlon, :only => [:search]
def search
@query = params[:query]
@sources.push "osm_nominatim"
else
@sources.push "osm_nominatim"
- @sources.push "geonames"
+ @sources.push "geonames" if defined?(GEONAMES_USERNAME)
end
end
render :action => "error"
end
- def search_osm_namefinder
- # get query parameters
- query = params[:query]
-
- # create result array
- @results = Array.new
-
- # ask OSM namefinder
- response = fetch_xml("http://gazetteer.openstreetmap.org/namefinder/search.xml?find=#{escape_query(query)}")
-
- # parse the response
- response.elements.each("searchresults/named") do |named|
- lat = named.attributes["lat"].to_s
- lon = named.attributes["lon"].to_s
- zoom = named.attributes["zoom"].to_s
- place = named.elements["place/named"] || named.elements["nearestplaces/named"]
- type = named.attributes["info"].to_s.capitalize
- name = named.attributes["name"].to_s
- description = named.elements["description"].to_s
-
- if name.empty?
- prefix = ""
- name = type
- else
- prefix = t "geocoder.search_osm_namefinder.prefix", :type => type
- end
-
- if place
- distance = format_distance(place.attributes["approxdistance"].to_i)
- direction = format_direction(place.attributes["direction"].to_i)
- placename = format_name(place.attributes["name"].to_s)
- suffix = t "geocoder.search_osm_namefinder.suffix_place", :distance => distance, :direction => direction, :placename => placename
-
- if place.attributes["rank"].to_i <= 30
- parent = nil
- parentrank = 0
- parentscore = 0
-
- place.elements.each("nearestplaces/named") do |nearest|
- nearestrank = nearest.attributes["rank"].to_i
- nearestscore = nearestrank / nearest.attributes["distance"].to_f
-
- if nearestrank > 30 and
- ( nearestscore > parentscore or
- ( nearestscore == parentscore and nearestrank > parentrank ) )
- parent = nearest
- parentrank = nearestrank
- parentscore = nearestscore
- end
- end
-
- if parent
- parentname = format_name(parent.attributes["name"].to_s)
-
- if place.attributes["info"].to_s == "suburb"
- suffix = t "geocoder.search_osm_namefinder.suffix_suburb", :suffix => suffix, :parentname => parentname
- else
- parentdistance = format_distance(parent.attributes["approxdistance"].to_i)
- parentdirection = format_direction(parent.attributes["direction"].to_i)
- suffix = t "geocoder.search_osm_namefinder.suffix_parent", :suffix => suffix, :parentdistance => parentdistance, :parentdirection => parentdirection, :parentname => parentname
- end
- end
- end
- else
- suffix = ""
- end
-
- @results.push({:lat => lat, :lon => lon, :zoom => zoom,
- :prefix => prefix, :name => name, :suffix => suffix,
- :description => description})
- end
-
- render :action => "results"
- rescue Exception => ex
- @error = "Error contacting gazetteer.openstreetmap.org: #{ex.to_s}"
- render :action => "error"
- end
-
def search_osm_nominatim
# get query parameters
query = params[:query]
name = place.attributes["display_name"].to_s
min_lat,max_lat,min_lon,max_lon = place.attributes["boundingbox"].to_s.split(",")
prefix_name = t "geocoder.search_osm_nominatim.prefix.#{klass}.#{type}", :default => type.gsub("_", " ").capitalize
+ if klass == 'boundary' and type == 'administrative'
+ rank = (place.attributes["place_rank"].to_i + 1) / 2
+ prefix_name = t "geocoder.search_osm_nominatim.admin_levels.level#{rank}", :default => prefix_name
+ end
prefix = t "geocoder.search_osm_nominatim.prefix_format", :name => prefix_name
+ object_type = place.attributes["osm_type"]
+ object_id = place.attributes["osm_id"]
@results.push({:lat => lat, :lon => lon,
:min_lat => min_lat, :max_lat => max_lat,
:min_lon => min_lon, :max_lon => max_lon,
- :prefix => prefix, :name => name})
+ :prefix => prefix, :name => name,
+ :type => object_type, :id => object_id})
@more_params[:exclude].push(place.attributes["place_id"].to_s)
end
@results = Array.new
# ask geonames.org
- response = fetch_xml("http://ws.geonames.org/search?q=#{escape_query(query)}&maxRows=20")
+ response = fetch_xml("http://api.geonames.org/search?q=#{escape_query(query)}&maxRows=20&username=#{GEONAMES_USERNAME}")
# parse the response
response.elements.each("geonames/geoname") do |geoname|
@sources.push({ :name => "geonames" })
end
- def description_osm_namefinder
- # get query parameters
- lat = params[:lat]
- lon = params[:lon]
- types = params[:types]
- max = params[:max]
-
- # create result array
- @results = Array.new
-
- # ask OSM namefinder
- response = fetch_xml("http://gazetteer.openstreetmap.org/namefinder/search.xml?find=#{types}+near+#{lat},#{lon}&max=#{max}")
-
- # parse the response
- response.elements.each("searchresults/named") do |named|
- lat = named.attributes["lat"].to_s
- lon = named.attributes["lon"].to_s
- zoom = named.attributes["zoom"].to_s
- place = named.elements["place/named"] || named.elements["nearestplaces/named"]
- type = named.attributes["info"].to_s
- name = named.attributes["name"].to_s
- description = named.elements["description"].to_s
- distance = format_distance(place.attributes["approxdistance"].to_i)
- direction = format_direction((place.attributes["direction"].to_i - 180) % 360)
- prefix = t "geocoder.description_osm_namefinder.prefix", :distance => distance, :direction => direction, :type => type
- @results.push({:lat => lat, :lon => lon, :zoom => zoom,
- :prefix => prefix.capitalize, :name => name,
- :description => description})
- end
-
- render :action => "results"
- rescue Exception => ex
- @error = "Error contacting gazetteer.openstreetmap.org: #{ex.to_s}"
- render :action => "error"
- end
-
def description_osm_nominatim
# get query parameters
lat = params[:lat]
# create result array
@results = Array.new
- # ask OSM namefinder
+ # ask nominatim
response = fetch_xml("#{NOMINATIM_URL}reverse?lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{request.user_preferred_languages.join(',')}")
# parse the response
def escape_query(query)
return URI.escape(query, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]", false, 'N'))
end
+
+ def convert_latlon
+ @query = params[:query]
+
+ if latlon = @query.match(/^([NS])\s*(\d{1,3}(\.\d*)?)\W*([EW])\s*(\d{1,3}(\.\d*)?)$/).try(:captures) # [NSEW] decimal degrees
+ params[:query] = nsew_to_decdeg(latlon)
+ elsif latlon = @query.match(/^(\d{1,3}(\.\d*)?)\s*([NS])\W*(\d{1,3}(\.\d*)?)\s*([EW])$/).try(:captures) # decimal degrees [NSEW]
+ params[:query] = nsew_to_decdeg(latlon)
+
+ elsif latlon = @query.match(/^([NS])\s*(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?\W*([EW])\s*(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?$/).try(:captures) # [NSEW] degrees, decimal minutes
+ params[:query] = ddm_to_decdeg(latlon)
+ elsif latlon = @query.match(/^(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?\s*([NS])\W*(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?\s*([EW])$/).try(:captures) # degrees, decimal minutes [NSEW]
+ params[:query] = ddm_to_decdeg(latlon)
+
+ elsif latlon = @query.match(/^([NS])\s*(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]?\W*([EW])\s*(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]?$/).try(:captures) # [NSEW] degrees, minutes, decimal seconds
+ params[:query] = dms_to_decdeg(latlon)
+ elsif latlon = @query.match(/^(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]\s*([NS])\W*(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]?\s*([EW])$/).try(:captures) # degrees, minutes, decimal seconds [NSEW]
+ params[:query] = dms_to_decdeg(latlon)
+ else
+ return
+ end
+ end
+
+ def nsew_to_decdeg(captures)
+ begin
+ Float(captures[0])
+ captures[2].downcase != 's' ? lat = captures[0].to_f : lat = -(captures[0].to_f)
+ captures[5].downcase != 'w' ? lon = captures[3].to_f : lon = -(captures[3].to_f)
+ rescue
+ captures[0].downcase != 's' ? lat = captures[1].to_f : lat = -(captures[1].to_f)
+ captures[3].downcase != 'w' ? lon = captures[4].to_f : lon = -(captures[4].to_f)
+ end
+ return "#{lat}, #{lon}"
+ end
+
+ def ddm_to_decdeg(captures)
+ begin
+ Float(captures[0])
+ captures[3].downcase != 's' ? lat = captures[0].to_f + captures[1].to_f/60 : lat = -(captures[0].to_f + captures[1].to_f/60)
+ captures[7].downcase != 'w' ? lon = captures[4].to_f + captures[5].to_f/60 : lon = -(captures[4].to_f + captures[5].to_f/60)
+ rescue
+ captures[0].downcase != 's' ? lat = captures[1].to_f + captures[2].to_f/60 : lat = -(captures[1].to_f + captures[2].to_f/60)
+ captures[4].downcase != 'w' ? lon = captures[5].to_f + captures[6].to_f/60 : lon = -(captures[5].to_f + captures[6].to_f/60)
+ end
+ return "#{lat}, #{lon}"
+ end
+
+ def dms_to_decdeg(captures)
+ begin
+ Float(captures[0])
+ captures[4].downcase != 's' ? lat = captures[0].to_f + (captures[1].to_f + captures[2].to_f/60)/60 : lat = -(captures[0].to_f + (captures[1].to_f + captures[2].to_f/60)/60)
+ captures[9].downcase != 'w' ? lon = captures[5].to_f + (captures[6].to_f + captures[7].to_f/60)/60 : lon = -(captures[5].to_f + (captures[6].to_f + captures[7].to_f/60)/60)
+ rescue
+ captures[0].downcase != 's' ? lat = captures[1].to_f + (captures[2].to_f + captures[3].to_f/60)/60 : lat = -(captures[1].to_f + (captures[2].to_f + captures[3].to_f/60)/60)
+ captures[5].downcase != 'w' ? lon = captures[6].to_f + (captures[7].to_f + captures[8].to_f/60)/60 : lon = -(captures[6].to_f + (captures[7].to_f + captures[8].to_f/60)/60)
+ end
+ return "#{lat}, #{lon}"
+ end
+
end
projects / rails.git / blobdiff