Module:Location map/data/United Kingdom Greater London/doc

From Wikipedia, the free encyclopedia
Location map of Greater London
name Greater London
border
coordinates
51.72
-0.57 ←↕→ 0.37
51.25
map center 51°29′06″N 0°06′00″W / 51.485°N 0.10000000000002°W / 51.485; -0.10000000000002
image Greater London UK location map 2.svg
image1 Greater London UK relief location map.jpg
image3 020 UK dial code area - 2007.png


Module:Location map/data/United Kingdom Greater London is a location map definition used to overlay markers and labels on an equirectangular projection map of Greater London. 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 "United Kingdom Greater London":

Map definition

  • name = Greater London
    Name used in the default map caption
  • bottom = 51.25
    Latitude at bottom edge of map, in decimal degrees
  • left = -0.57
    Longitude at left edge of map, in decimal degrees
  • right = 0.37
    Longitude at right edge of map, in decimal degrees

Alternative map

The {{Location map}}, {{Location map many}}, and {{Location map+}} templates have parameters to specify an alternative map image. The map displayed as image1 can be used with the relief or AlternativeMap parameters. Examples may be found below or in the following:

Precision

Longitude: from West to East this map definition covers 0.94 degrees.

  • At an image width of 200 pixels, that is 0.0047 degrees per pixel.
  • At an image width of 1000 pixels, that is 0.0009 degrees per pixel.

Latitude: from North to South this map definition covers 0.47 degrees.

  • At an image height of 200 pixels, that is 0.0023 degrees per pixel.
  • At an image height of 1000 pixels, that is 0.0005 degrees per pixel.


See also

Location map templates

Creating new map definitions