andrea antonello a écrit :
> Why would it make sense to use tiles when using a writable raster?
> I mean, it was created in memory and therefore taking just tiles is
> the same as taking it all?
Probably in most cases. But it would also be possible (not sure if useful, but
at least possible) that the JAI deferred execution model (where raster are
computed only when first needed) actually creates WritableRaster. So it would
allow user to modify a WritableTile after it has been computed. We would need a
way to save those modifications (so they are not lost when a new computation is
trigged), but a custom of TileCache may do the trick.
> Or is there a way to already predefine a disk space on which the
> writableraster in case would be dumped to?
The default JAI implementation doesn't provide this functionality as far as I
know, but I think we can do that by providing our own TileCache implementation.
Martin
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