Module:Location map/data/UK Greater London postal

Module:Location map/data/UK Greater London postal 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 "UK Greater London postal":

• Template:Tlx
• Template:Tlx
• Template:Tlx
• Template:Tlx

Map definition

• name = Greater London

  Name used in the default map caption

• image = London Postal District.png

  The default map image, without "Image:" or "File:"

• top = 51.75

  Latitude at top edge of map, in decimal degrees

• bottom = 51.25

  Latitude at bottom edge of map, in decimal degrees

• left = -0.6

  Longitude at left edge of map, in decimal degrees

• right = 0.4

  Longitude at right edge of map, in decimal degrees

Precision

Longitude: from West to East this map definition covers 1 degrees.

• At an image width of 200 pixels, that is 0.005 degrees per pixel.
• At an image width of 1000 pixels, that is 0.001 degrees per pixel.

Latitude: from North to South this map definition covers 0.5 degrees.

• At an image height of 200 pixels, that is 0.0025 degrees per pixel.
• At an image height of 1000 pixels, that is 0.0005 degrees per pixel.

See also

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

Location map templates

• Template:Location map, to display one mark and label using latitude and longitude
• Template:Location map many, to display up to nine marks and labels
• Template:Location map+, to display an unlimited number of marks and labels

Creating new map definitions

• Template:Location map/Creating a new map definition

---

return {
	name = 'Greater London',
	top = 51.75,
	bottom = 51.25,
	left = -0.6,
	right = 0.4,
	image = 'London Postal District.png'
}