Module:Location map/data/USA Chesapeake Bay

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Revision as of 15:22, 8 May 2014 by imported>Veggies (syntax)
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Location map of Chesapeake Bay
name Chesapeake Bay
border
coordinates
39.94
-77.91 ←↕→ -74.91
36.35
map center Lua error: callParserFunction: function "#coordinates" was not found.
image USA MD and Virginia location map crop.svg
USA MD and Virginia location map crop.svg


Module:Location map/data/USA Chesapeake Bay is a location map definition used to overlay markers and labels on an equirectangular projection map of Chesapeake Bay. 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 Chesapeake Bay":

Map definition

  • name = Chesapeake Bay
    Name used in the default map caption
  • bottom = 36.35
    Latitude at bottom edge of map, in decimal degrees
  • left = -77.91
    Longitude at left edge of map, in decimal degrees
  • right = -74.91
    Longitude at right edge of map, in decimal degrees

Precision

Longitude: from West to East this map definition covers 3 degrees.

  • At an image width of 200 pixels, that is 0.015 degrees per pixel.
  • At an image width of 1000 pixels, that is 0.003 degrees per pixel.

Latitude: from North to South this map definition covers 3.59 degrees.

  • At an image height of 200 pixels, that is 0.018 degrees per pixel.
  • At an image height of 1000 pixels, that is 0.0036 degrees per pixel.


See also

Location map templates

Creating new map definitions


return {
	name = 'Chesapeake Bay',
	top = 39.94,
	bottom = 36.35,
	left = -77.91,
	right = -74.91,
	image = 'USA MD and Virginia location map crop.svg'
}