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Mercator projection class More...
#include <src/gproj.h>
Inherits: GMapProj
[public]
constructor
c_lon/c_lat | central longitude/latitude (must be radians). |
[public]
initialize for the Mercator projection. Must be called before any foward/inverse conversion can happen, if the object is created using the constructor with no parameters.
uses | same parameter as in second constructor. |
[public]
Forward conversion from (longitude,latitude) to Mercator coordinates in meters.
(lon, | lat) MUST be radians!!! |
[public]
Inverse conversion from Mercator coordinates to (longitude, latitude). (x,y) must be in meters; and (lon, lat) will be in radians.
Documentation generated by lqian@lqian-sun on Wed Jul 14 09:36:10 EDT 1999 | Kdoc |