Hi Simone,
Thanks for the input. I'll take a look at StreamingRenderer although
according to Jody it may not be appropriate since we would like to do WCS
output as well.
Your advice for initially mosaicking by CRS is definitely well-received.
Good idea.
Cheers,
Devon
On Tue, Apr 12, 2016 at 11:03 AM, Simone Giannecchini <
simone.giannecch...@geo-solutions.it> wrote:
> Ciao Devon,
> quick answer, andrea will provide more.
>
> We have implemented something similar a few times in the past for
> clients specific customizations so we have a pretty clear idea on what
> to do.
> First thing, GeoServer is already able to mosaic raster in different
> CRS but at an higher level, inside the streaming renderer which leans
> onto the streaming renderer for reprojecting.
>
> Bring this at a lower level is challenging if we want to keep both
> performance and quality or at least if we want to be able to control
> them. If I had to suggest something right now, I would suggest to
> group them by source CRS then mosaick them and then reproject each
> mosaic to the target CRS so that raster data in the same CRS with
> different resolutions can be handled separately.
>
> Let's see what andrea says...
>
> Putting this on the table upfront, don't come up with a PR that will
> touch 1k files (i.e impossible to review) without having discussed
> the approach before because it will hardly be accepted.
> No intent to be a showstopper, I'd like this functionality to get in
> but you are biting on an hard candy trying to implement it.
>
> Regards,
> Simone Giannecchini
> ==
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> On Tue, Apr 12, 2016 at 7:17 PM, Devon Tucker <devonrtuc...@gmail.com>
> wrote:
> > Hi all,
> >
> > We've been looking into doing on-the-fly reprojection in image mosaic to
> > handle multiple projections dynamically (kinda similar to what QGIS can
> do).
> > Some of the issues with this we've worked out already, but one thing I've
> > been wondering is where might be an appropriate place in the code to do
> the
> > actual resampling.
> >
> > My first thought would be somewhere in the RasterLayerResponse either in
> the
> > prepareResponse or produce methods either during or after the granules
> are
> > collected, but I'm definitely interested in advice/feedback on what's
> > good/appropriate.
> >
> > Also interested in feedback on this idea in general and maybe issues or
> > corner cases we may not have thought about.
> >
> > Thanks,
> > Devon Tucker
> >
> >
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