Module for defining projections using the Proj module. More...

Classes
class	Lib.rave_projection.interface
	Object for interfacing with PROJ.4. More...

class	Lib.rave_projection.usgs
	PROJ 4.7.0 and higher interface (requires Proj.py, _proj.so) More...

Functions
	Lib.rave_projection.init ()
	Initializer.

	Lib.rave_projection.register (id, pcs)
	Adds a projection to the registry.

	Lib.rave_projection.keys ()
	Returns a list of keys in the registry.

	Lib.rave_projection.items ()
	Returns a list of tuples containing key:item pairs in the registry where the key is the projection identifier and the item is its usgs object.

	Lib.rave_projection.pcs (Id)
	Object factory.

	Lib.rave_projection.define (id, description, definition)
	Register utility function for pre-defined projection definitions in PROJECTIONS.

	Lib.rave_projection.add (id, description, definition, filename=PROJECTION_REGISTRY)
	Adds a projection to the registry.

	Lib.rave_projection.remove (id, filename=PROJECTION_REGISTRY)
	Removes a projection from the registry.

	Lib.rave_projection.write (filename=PROJECTION_REGISTRY)
	Writes the contents of the registry to file.

	Lib.rave_projection.describe (id)
	Prints the identifier, description, and PROJ.4 definition to stdout.

Variables
bool	Lib.rave_projection.got_projregistry = True

	Lib.rave_projection.PROJECTIONS = os.path.join(RAVECONFIG, '*projection_registry.xml')
	There's only one official projection registry, but this module allows greater flexibility as long as files use the same naming convention.

int	Lib.rave_projection.initialized = 0

dict	Lib.rave_projection._registry = {}
	Empty registry to be filled.

Detailed Description

Module for defining projections using the Proj module.

Reads projection definitions from XML using the _projectionregistry module. Based on pcs.py

Author: Daniel Michelson, SMHI, based on work originally contracted to Fredrik Lundh

Classes