Charles-Henry COLIN (
https://osgeo-org.atlassian.net/secure/ViewProfile.jspa?accountId=5efce41d7295050bad6e99c0
) *created* an issue
GeoServer (
https://osgeo-org.atlassian.net/browse/GEOS?atlOrigin=eyJpIjoiZWY0MmRmYzU1NjVkNDNjM2FlN2YwYTZhNjA1MzdhOWEiLCJwIjoiaiJ9
) / Bug (
https://osgeo-org.atlassian.net/browse/GEOS-9768?atlOrigin=eyJpIjoiZWY0MmRmYzU1NjVkNDNjM2FlN2YwYTZhNjA1MzdhOWEiLCJwIjoiaiJ9
) GEOS-9768 (
https://osgeo-org.atlassian.net/browse/GEOS-9768?atlOrigin=eyJpIjoiZWY0MmRmYzU1NjVkNDNjM2FlN2YwYTZhNjA1MzdhOWEiLCJwIjoiaiJ9
) TIME dimension and CLIP WMS vendor parameter does not work in the same time
(
https://osgeo-org.atlassian.net/browse/GEOS-9768?atlOrigin=eyJpIjoiZWY0MmRmYzU1NjVkNDNjM2FlN2YwYTZhNjA1MzdhOWEiLCJwIjoiaiJ9
)
Issue Type: Bug Affects Versions: 2.17.2 Assignee: Unassigned Attachments:
Clip_image.png, mask.png Components: WMS Created: 13/Oct/20 12:03 PM
Environment:
geoserver 2.17.2 install on windows server 2016
Priority: High Reporter: Charles-Henry COLIN (
https://osgeo-org.atlassian.net/secure/ViewProfile.jspa?accountId=5efce41d7295050bad6e99c0
)
I'm working with an imagemosaic store composed of geotiff multiband rasters all
projected in EPSG:3857.
Rasters are compressed (DEFLATE) and store on the windows server Filesystem.
I'm rendering this store with a layergroup composed of the same layer but
render differently twice.
The layer has a TIME dimension define in the index.properties file correctly
and working fine.
In the WMS request I use the vendor parameter CLIP which is clipping my png
return image with a polygon define correctly in SRID4326 with the extended
parameter : SRID=4326;Polygone((.....etc.)) and it works fine. (Just a small
rendering issue that you can see in join file "Clip_image.png" where we see
that contours are pixelized. From my opinion this is due to a CLIP method apply
at a too early stage before bicubic interpolation is applied.)
The big issue is when you use both parameters in the same WMS request :
TIME=YYYY-MM-DD/YYYY-MM-DD and CLIP=srid=4326;POLYGON((......)) it returns you
the wrong image (at a wrong date) but correctly clipped. Actually this is
strange because it returns always the image corresponding at the closest
date from now, no matter of your layer dimension TIME settings.
(
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