On Thu, Mar 1, 2018 at 7:05 PM, JBaker <[email protected]> wrote:
> On CIB groups I have them Layered CIB10 to draw first then CIB05, lastly
> CIB01. These maps show different resolutions, 10 meter, 5 meter and 1
> meter. So lets say I am trying to look at or cache the the AZ area, is
> Geoserver trying to render and build tiles for CIB10, CIB05 and CIB01 if I
> am looking at an area that has CIB01 (since thats my top layer)? Or does
> it
> see there is data in that area for CIB01, so it doesnt work 3 times as hard
> and only look at the CIB01 data?
>
GeoServer has no coverage information and will render all the layers in the
group,
bottom to top (painter's model).
There is a way to avoid it, but it's complicated:
- use the latest GeoServer version
- put all the imagery into a single heterogeneous mosaic
- add for each file a "footprint" information (basically what area it's
actually covered, as a polygon, skipping null/void/black data)
- enable "excess granule removal" in the mosaic configuration
There are not many deploys doing this, it's functionality that still kind
of new (due to low exposure).
Cheers
Andrea
==
GeoServer Professional Services from the experts! Visit http://goo.gl/it488V
for more information.
==
Ing. Andrea Aime
@geowolf
Technical Lead
GeoSolutions S.A.S.
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