[udig-devel] Re: [Geotools-devel] UDIG 0.6 short term reprojection targe

[Martin Desruisseaux <martin.desruisseaux@xxxxxxxxxxxxx>]

Jody Garnett a écrit :

> What we have so far: (x = done, - = not done)
> x CRS Object specified by Viewport
> - CRSAuthority (owned by gt2 CRSService) responsible for keeping a weak referenced cache.
>   When/if Martin/Rueben switch to a small database (hibernate?) for this data structure the api can remain the same.

I guess you mean CRSAuthoritySpi? The need for this interface is not 
clear to me, since it seems to duplicate CRSAuthorityFactory. The later 
is a little bit more elaborated (except for the missing 'getCodes()' 
method, but we can add it). CRSFactory already use WeakReference for 
previously created CRS. The current CRSAuthoritySpi implementations 
could probably be refactored as CRSAuthorityFactory implementations, 
unless I'm missing some point. I think that this is part of the 
refactoring Rueben has in mind.


> - GridRenderer reprojection is needed, based on the J2D
>   renderer model of back projecting points to resample the origional.

The projection is not really performed by the J2D renderer. The real 
work is performed by GridCoverate itself. Just use the "resample" operation.

	Martin.