Module:Location map/data/USA Umnak Island/doc

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

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

Map definition

• name = Umnak

  Name used in the default map caption

• image = Location map Umnak Island.png

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

• top = 53.793

  Latitude at top edge of map, in decimal degrees

• bottom = 52.51

  Latitude at bottom edge of map, in decimal degrees

• left = -169.486

  Longitude at left edge of map, in decimal degrees

• right = -167.465

  Longitude at right edge of map, in decimal degrees

Precision

Longitude: from West to East this map definition covers 2.021 degrees.

• At an image width of 200 pixels, that is 0.0101 degrees per pixel.
• At an image width of 1000 pixels, that is 0.002 degrees per pixel.

Latitude: from North to South this map definition covers 1.283 degrees.

• At an image height of 200 pixels, that is 0.0064 degrees per pixel.
• At an image height of 1000 pixels, that is 0.0013 degrees per pixel.

See also

• Module:Location map/data/USA Alaska

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