Module:Location map/data/USA Chesapeake Bay/doc

Location map of Chesapeake Bay

name	Chesapeake Bay
border coordinates
	39.94
	-77.91	←↕→	-74.91
	36.35
map center
image	USA MD and Virginia location map crop.svg

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

• {{Location map|USA Chesapeake Bay |...}}
• {{Location map many|USA Chesapeake Bay |...}}
• {{Location map+|USA Chesapeake Bay |...}}
• {{Location map~|USA Chesapeake Bay |...}}

Map definition

• name = Chesapeake Bay

  Name used in the default map caption

• image = USA MD and Virginia location map crop.svg

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

• top = 39.94

  Latitude at top edge of map, in decimal degrees

• bottom = 36.35

  Latitude at bottom edge of map, in decimal degrees

• left = -77.91

  Longitude at left edge of map, in decimal degrees

• right = -74.91

  Longitude at right edge of map, in decimal degrees

Precision

Longitude: from West to East this map definition covers 3 degrees.

• At an image width of 200 pixels, that is 0.015 degrees per pixel.
• At an image width of 1000 pixels, that is 0.003 degrees per pixel.

Latitude: from North to South this map definition covers 3.59 degrees.

• At an image height of 200 pixels, that is 0.018 degrees per pixel.
• At an image height of 1000 pixels, that is 0.0036 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