[Geoserver-devel] [JIRA] (GEOS-9510) WMS imag/png8 Transparent Antialias:none do not styling correctly

Tomasz Barczyk created an issue

GeoServer / BugGEOS-9510

WMS imag/png8 Transparent Antialias:none do not styling correctly

Issue Type:

BugBug

Affects Versions:

2.13.0

Assignee:

Unassigned

Attachments:

image-2020-02-21-14-38-07-145.png

Components:

styling

Created:

21/Feb/20 2:42 PM

Priority:

HighHigh

Reporter:

Tomasz Barczyk

Hi,

I’ve installed 2 clean geoservers instances on my Tomcat 8: 2.12.5 and 2.13.0.
When I get example map in png8 format with transperency with antialias:none then I see that in 2.13.0 that layer is not painted correctly.

Here are requests:
http://localhost:8080/geoserver2125/topp/wms?service=WMS&version=1.1.0&request=GetMap&layers=topp:tasmania_state_boundaries&styles=&bbox=143.83482400000003,-43.648056,148.47914100000003,-39.573891&width=768&height=673&srs=EPSG:4326&format=image/png8&FORMAT_OPTIONS=antialias:none&TRANSPARENT=true

http://localhost:8080/geoserver2130/topp/wms?service=WMS&version=1.1.0&request=GetMap&layers=topp:tasmania_state_boundaries&styles=&bbox=143.83482400000003,-43.648056,148.47914100000003,-39.573891&width=768&height=673&srs=EPSG:4326&format=image/png8&FORMAT_OPTIONS=antialias:none&TRANSPARENT=true

That issue is visible for ALL layers get using this parameters:
FORMAT=image/png8
FORMAT_OPTIONS=antialias:none
TRANSPARENT=true

Differences:

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