Method

MaplibreNativeFfiMapProjectionmeters_per_pixel_at_latitude

Declaration [src] 

gdouble
maplibre_native_ffi_map_projection_meters_per_pixel_at_latitude (
  MaplibreNativeFfiMapProjection* self,
  gdouble latitude,
  GError** error
)

Description [src]

Computes how many meters one screen pixel covers at latitude, at the projection’s zoom.

The result ignores the camera’s pitch.

See mln_map_projection_meters_per_pixel_at_latitude in the C API reference.

Parameters

latitude

Type: gdouble

No description available.

error

Type: GError **

The return location for a recoverable error.

The argument can be NULL.
If the return location is not NULL, then you must initialize it to a NULL GError*.
The argument will be left initialized to NULL by the method if there are no errors.
In case of error, the argument will be set to a newly allocated GError; the caller will take ownership of the data, and be responsible for freeing it.

Return value

Type: gdouble

The value.