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Module:Location map/data/USA Virginia Northern/doc

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Location map of Northern Virginia
name Northern Virginia
border
coordinates
39.32496
-78.391863 ←↕→ -77.03867
37.990552
map center 38°39′28″N 77°42′55″W / 38.657756°N 77.7152665°W / 38.657756; -77.7152665
image USA Virginia Northern location map.svg
Northern Virginia

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

Map definition

  • name = Northern Virginia
    Name used in the default map caption
  • bottom = 37.990552
    Latitude at bottom edge of map, in decimal degrees
  • left = -78.391863
    Longitude at left edge of map, in decimal degrees
  • right = -77.03867
    Longitude at right edge of map, in decimal degrees

Precision

Longitude: from West to East this map definition covers 1.3532 degrees.

  • At an image width of 200 pixels, that is 0.0068 degrees per pixel.
  • At an image width of 1000 pixels, that is 0.0014 degrees per pixel.

Latitude: from North to South this map definition covers 1.3344 degrees.

  • At an image height of 200 pixels, that is 0.0067 degrees per pixel.
  • At an image height of 1000 pixels, that is 0.0013 degrees per pixel.


See also

Location map templates

Creating new map definitions