Jump to content

Module:Location map/data/China Sichuan Chengdu urban/doc

From Wikipedia, the free encyclopedia
Location map of Chengdu
name Chengdu
border
coordinates
31.125
103.25 ←↕→ 104.95
30.125
map center 30°37′30″N 104°06′00″E / 30.625°N 104.1°E / 30.625; 104.1
image Chengdu location map.jpg


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

Map definition

  • name = Chengdu
    Name used in the default map caption
  • bottom = 30.125
    Latitude at bottom edge of map, in decimal degrees
  • left = 103.25
    Longitude at left edge of map, in decimal degrees
  • right = 104.95
    Longitude at right edge of map, in decimal degrees

Precision

Longitude: from West to East this map definition covers 1.7 degrees.

  • At an image width of 200 pixels, that is 0.0085 degrees per pixel.
  • At an image width of 1000 pixels, that is 0.0017 degrees per pixel.

Latitude: from North to South this map definition covers 1 degrees.

  • At an image height of 200 pixels, that is 0.005 degrees per pixel.
  • At an image height of 1000 pixels, that is 0.001 degrees per pixel.


See also

Location map templates

Creating new map definitions