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Module:Location map/data/USA New York Fire Island/doc

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Location map of Fire Island
name Fire Island
border
coordinates
40.84
-73.33 ←↕→ -72.77
40.58
map center 40°43′N 73°03′W / 40.71°N 73.05°W / 40.71; -73.05
x 160.91295*($2 + 73.348669) + 47.97453*($1 - 40.740397)
y 93.38964*($2 + 73.348669) - 536.58519*($1 - 40.740397)
image Fire-island-map.jpg


Module:Location map/data/USA New York Fire Island is a location map definition used to overlay markers and labels on an equirectangular projection map of Fire Island. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.

Usage

These definitions are used by the following templates when invoked with parameter "USA New York Fire Island":

Map definition

  • name = Fire Island
    Name used in the default map caption
  • bottom = 40.58
    Latitude at bottom edge of map, in decimal degrees
  • left = -73.33
    Longitude at left edge of map, in decimal degrees
  • right = -72.77
    Longitude at right edge of map, in decimal degrees
  • x = 160.91295*($2 + 73.348669) + 47.97453*($1 - 40.740397)
    An expression to calculate a location on the map via its longitude; evaluates as 0 along the left edge and 100 along the right edge
  • y = 93.38964*($2 + 73.348669) - 536.58519*($1 - 40.740397)
    An expression to calculate a location on the map via its latitude; evaluates as 0 along the top edge and 100 along the bottom edge

Precision

Longitude: from West to East this map definition covers 0.56 degrees.

  • At an image width of 200 pixels, that is 0.0028 degrees per pixel.
  • At an image width of 1000 pixels, that is 0.0006 degrees per pixel.

Latitude: from North to South this map definition covers 0.26 degrees.

  • At an image height of 200 pixels, that is 0.0013 degrees per pixel.
  • At an image height of 1000 pixels, that is 0.0003 degrees per pixel.


See also

Location map templates

Creating new map definitions