Simplify coordinates in seeds.rb

yamamuteki · Jun 5, 2016 · b60e403 · b60e403
1 parent 81e7fba
commit b60e403
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Showing 2 changed files with 5 additions and 5 deletions.
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
@@ -23,9 +23,8 @@ def build_routes(bus_routes)
  {
  id: bus_route.id,
  tracks: bus_route.bus_route_tracks.map do |track|
- coordinates = track.coordinates.map { |coordinate| { x: coordinate[0], y: coordinate[1] } }
- SimplifyRb.simplify(coordinates, 0.0001).map do |coordinate|
- { lat: coordinate[:x], lng: coordinate[:y] }
+ track.coordinates.map do |coordinate|
+ { lat: coordinate[0], lng: coordinate[1] }
  end.compact
  end
  }

diff --git a/db/seeds.rb b/db/seeds.rb
@@ -15,8 +15,9 @@ def load_bus_routes xml_path
  bus_route_track_progress = ProgressBar.create(title: "BusRouteTrack", total: doc.css('Curve').count, format: '%t: %J%% |%B|')
  doc.css('Curve').each do |node|
  gml_id = node['id']
- coordinates = node.at('posList').text.strip.each_line.map { |line| line.split.map(&:to_f) }
- bus_route_track = BusRouteTrack.create(gml_id: "#{xml_path}/#{gml_id}", coordinates: coordinates)
+ coordinates = node.at('posList').text.strip.each_line.map { |line| { x: line.split[0].to_f, y: line.split[1].to_f } }
+ simplified_coordinates = SimplifyRb.simplify(coordinates, 0.0001).map { |c| [c[:x], c[:y]] }
+ bus_route_track = BusRouteTrack.create(gml_id: "#{xml_path}/#{gml_id}", coordinates: simplified_coordinates)
  bus_route_track_progress.increment
  end