On Sun, Apr 17, 2016 at 12:10 AM, Jody Garnett <jody.garn...@gmail.com>
wrote:
> Thanks for the brain dump Andrea (and to Devon for starting this
> conversation). The key reason we are reaching out to geotools-devel is the
> sheer wasted disk space represented by a static "gdal command line"
> solution (which no doubt would perform better).
>
If you have dynamic stacking order requirements (per user profiling), it
would not work regardless
>
> Devon has been exploring the dynamic approach (using a resample prior to
> mosaic) in a branch. We did not consider grouping granules with similar CRS
> - as our unsupported/dem use cases focuses on many overlapping granules
> that are sorted according to need (resolution, date, etc...).
>
We have always done this in custom implementations, partly for performance
issues, partly for quality ones (black lines and visible seams generally
make the result unacceptable, regardless of how fast/slow the solution
would be).
>
> This work will be a balancing between meeting our use-case - and leaving
> the design open for other stories that are perhaps more common. Thank you
> for the information on "excess granule removal" - while I have identified
> it as a risk I am not sure it will be addressed in this first cut.
>
Roger that
Cheers
Andrea
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