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Module:Location map/data/United States Boston Metro/doc

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Location map of Greater Boston area
name Greater Boston area
border
coordinates
42.487
-71.383 ←↕→ -70.857
42.209
map center 42°20′53″N 71°07′12″W / 42.348°N 71.12°W / 42.348; -71.12
image Location map Boston Metropolitan Area.png


Module:Location map/data/United States Boston Metro is a location map definition used to overlay markers and labels on an equirectangular projection map of Greater Boston 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 "United States Boston Metro":

Map definition

  • name = Greater Boston area
    Name used in the default map caption
  • bottom = 42.209
    Latitude at bottom edge of map, in decimal degrees
  • left = -71.383
    Longitude at left edge of map, in decimal degrees
  • right = -70.857
    Longitude at right edge of map, in decimal degrees

Precision

Longitude: from West to East this map definition covers 0.526 degrees.

  • At an image width of 200 pixels, that is 0.0026 degrees per pixel.
  • At an image width of 1000 pixels, that is 0.0005 degrees per pixel.

Latitude: from North to South this map definition covers 0.278 degrees.

  • At an image height of 200 pixels, that is 0.0014 degrees per pixel.
  • At an image height of 1000 pixels, that is 0.0003 degrees per pixel.


See also

Module:Location map/data/USA Massachusetts

Location map templates

Creating new map definitions