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Merge remote-tracking branch 'upstream/pull/3016'

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Tom Hughes
2020-12-23 15:24:10 +00:00
parent 1eb1335bb2 2519841efe
commit f4885874f0
2 changed files with 20 additions and 0 deletions
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5
lib/osm.rb
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@ -371,12 +371,17 @@ module OSM
end
# and these two will give you the right points on your image. all the constants can be reduced to speed things up. FIXME
# If the bbox has no extent, return the centre of the image to avoid dividing by zero.
def y(lat)
return @height / 2 if (@by - @ty).zero?
@height - ((ysheet(lat) - @ty) / (@by - @ty) * @height)
end
def x(lon)
return @width / 2 if (@bx - @tx).zero?
((xsheet(lon) - @tx) / (@bx - @tx) * @width)
end
end