[Geoserver-devel] [JIRA] (GEOS-7772) JPEG-PNG not always compressing JPEG when cascading a WMS server providing paletted PNG images

Andrea Aime [Administrator] created an issue

GeoServer / BugGEOS-7772

JPEG-PNG not always compressing JPEG when cascading a WMS server providing paletted PNG images

Issue Type:

BugBug

Assignee:

Unassigned

Components:

WMS

Created:

28/Sep/16 5:37 PM

Priority:

MediumMedium

Reporter:

Andrea Aime [Administrator]

Example here:

http://demo.geo-solutions.it/geoserver/geosolutions/wms?service=WMS&version=1.1.0&request=GetMap&layers=geosolutions:OrtofotoRegione2010&styles=&bbox=290748.0,4861380.0,536649.0,5165170.0&width=621&height=768&srs=EPSG:32632&format=application/openlayers#toggle

The images become JPEG only when very much zoomed in, could be a case that it not taken into account in the heuristics (a palette with alpha/tx value that is not actually used in the data)

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