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Use quad tiling to select bugs in an area

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Remove the _no_quadtile versiond of the selection routines and switch
to using the ordinary ones but with a (large) limit applied on the size
of the area to prevent us spending ages working out the list of tiles
to be selected.
This commit is contained in:
Tom Hughes 2011-05-08 14:57:56 +01:00
parent 7bba798990
commit 22bef89d1a
6 changed files with 17 additions and 28 deletions
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8
lib/map_boundary.rb
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@ -9,7 +9,7 @@ module MapBoundary
return min_lon, min_lat, max_lon, max_lat
end
def check_boundaries(min_lon, min_lat, max_lon, max_lat, limit_small_area = :true)
def check_boundaries(min_lon, min_lat, max_lon, max_lat, max_area = MAX_REQUEST_AREA)
# check the bbox is sane
unless min_lon <= max_lon
raise OSM::APIBadBoundingBox.new("The minimum longitude must be less than the maximum longitude, but it wasn't")
@ -22,12 +22,10 @@ module MapBoundary
raise OSM::APIBadBoundingBox.new("The latitudes must be between -90 and 90, and longitudes between -180 and 180")
end
return unless limit_small_area == :true
# check the bbox isn't too large
requested_area = (max_lat-min_lat)*(max_lon-min_lon)
if requested_area > MAX_REQUEST_AREA
raise OSM::APIBadBoundingBox.new("The maximum bbox size is " + MAX_REQUEST_AREA.to_s +
if requested_area > max_area
raise OSM::APIBadBoundingBox.new("The maximum bbox size is " + max_area.to_s +
", and your request was too large. Either request a smaller area, or use planet.osm")
end
end