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Module:Location map/data/USA Virginia Alexandria region/doc

From Wikipedia, the free encyclopedia
Location map of Alexandria area
name Alexandria area
border
coordinates
38.94927
-77.22416 ←↕→ -76.92444
38.70554
map center 38°49′39″N 77°04′27″W / 38.827405°N 77.0743°W / 38.827405; -77.0743
image Alexandria, Virginia surrounding area.svg
Alexandria area

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

Map definition

  • name = Alexandria area
    Name used in the default map caption
  • bottom = 38.70554
    Latitude at bottom edge of map, in decimal degrees
  • left = -77.22416
    Longitude at left edge of map, in decimal degrees
  • right = -76.92444
    Longitude at right edge of map, in decimal degrees

Precision

Longitude: from West to East this map definition covers 0.2997 degrees.

  • At an image width of 200 pixels, that is 0.0015 degrees per pixel.
  • At an image width of 1000 pixels, that is 0.0003 degrees per pixel.

Latitude: from North to South this map definition covers 0.2437 degrees.

  • At an image height of 200 pixels, that is 0.0012 degrees per pixel.
  • At an image height of 1000 pixels, that is 0.0002 degrees per pixel.


See also

Location map templates

Creating new map definitions

Usage

Location maps of Virginia