pe_projection_forward |
Retrieves the function to transform from geographic to projected coordinates.
PE_PROJFUNC pe_projection_forward (PE_PROJECTION projection);
projection | Map projection object |
Returns the function to transform from geographic to projected coordinates.
On success, the map projection forward transformation. On failure, a null pointer.
PE_PROJECTION mercator =
pe_projection_new("Mercator", &mercator_f, &mercator_i);
PE_PROJFUNC fwd =pe_projection_forward(mercator);