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Module:Location map/data/China Northern Plain topography/doc

From Wikipedia, the free encyclopedia
Location map of Northern China
name Northern China
border
coordinates
42
103 ←↕→ 123
28
map center 35°N 113°E / 35°N 113°E / 35; 113
image China Northern Plain relief location map.png


Module:Location map/data/China Northern Plain topography is a location map definition used to overlay markers and labels on an equirectangular projection map of Northern China. 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 "China Northern Plain topography":

Map definition

  • name = Northern China
    Name used in the default map caption
  • bottom = 28
    Latitude at bottom edge of map, in decimal degrees
  • left = 103
    Longitude at left edge of map, in decimal degrees
  • right = 123
    Longitude at right edge of map, in decimal degrees

Precision

Longitude: from West to East this map definition covers 20 degrees.

  • At an image width of 200 pixels, that is 0.1 degrees per pixel.
  • At an image width of 1000 pixels, that is 0.02 degrees per pixel.

Latitude: from North to South this map definition covers 14 degrees.

  • At an image height of 200 pixels, that is 0.07 degrees per pixel.
  • At an image height of 1000 pixels, that is 0.014 degrees per pixel.


See also

Location map templates

Creating new map definitions