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

File: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":

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

Map definition

• name = Northern Virginia

  Name used in the default map caption

• image = USA Virginia Northern location map.svg

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

• top = 39.32496

  Latitude at top edge of map, in decimal degrees

• 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

• 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