Module:Location map/data/USA Virginia Alexandria region/doc
This is the documentation page for Module:Location map/data/USA Virginia Alexandria region
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File:Alexandria, Virginia surrounding area.svg
Alexandria area
Module:Location map/data/USA Virginia Alexandria region is a location map definition used to overlay markers and labels on an equirectangular projection map of Alexandria area. 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 Alexandria region":
Map definition
name = Alexandria area- Name used in the default map caption
image = Alexandria, Virginia surrounding area.svg- The default map image, without "Image:" or "File:"
top = 38.94927- Latitude at top edge of map, in decimal degrees
bottom = 38.70554- Latitude at bottom edge of map, in decimal degrees
left = -77.22416- Longitude at left edge of map, in decimal degrees
right = -76.92444- Longitude at right edge of map, in decimal degrees
Precision
Longitude: from West to East this map definition covers 0.2997 degrees.
- At an image width of 200 pixels, that is 0.0015 degrees per pixel.
- At an image width of 1000 pixels, that is 0.0003 degrees per pixel.
Latitude: from North to South this map definition covers 0.2437 degrees.
- At an image height of 200 pixels, that is 0.0012 degrees per pixel.
- At an image height of 1000 pixels, that is 0.0002 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
Usage
Location maps of Virginia