Hi,
did not see any ticket so created one:
https://osgeo-org.atlassian.net/browse/GEOS-8578

A fix should be in, and will show up in nightly builds tomorrow:
https://build.geoserver.org/geoserver/
(check for a build dated Feb 9th or later)

I'd appreciate if you could give it a test, the legend graphic generation
code does not have many automated tests
(and generating small images, it's hard to automatically test in general,
different JDKs generate legends with
significant pixels differences)

Cheers
Andrea


On Wed, Feb 7, 2018 at 3:00 PM, Andrea Aime <andrea.a...@geo-solutions.it>
wrote:

> Hi Paul,
> sounds like an unintended consequence of a change made for polygon
> symbolizers.
> Can you open a ticket?
>
> Cheers
> Andrea
>
>
> On Wed, Feb 7, 2018 at 12:35 PM, Biskup, Paul <paul.bis...@fit.fichtner.de
> > wrote:
>
>> Hi,
>>
>>
>>
>> since the new GeoServer version 2.12.2 the „GetLegendGraphic“-image for
>> all „LineSymbolizer“ styles, that have configured a stroke-width greater
>> than 0.3, looks different than in older versions.
>>
>> The lineStyles are displayed about 5x thicker than in the old GeoServer
>> versions. So the line in the GetLegendGraphic-image looks about 5x thicker
>> than in the corresponding GetMap-image.
>>
>>
>>
>> In the GeoServer-blog I have seen this improvement:
>>
>>
>>
>> „GetLegendGraphic rescale accounts for stroke thickness“
>>
>>
>>
>> Is this really wanted or is this a bug?
>>
>>
>>
>> With this change we can’t use our existing SLDs for displaying the
>> legend, because our lines have a stroke-width of 1.7. In our styles we have
>> also configured rules a „stroke-dash-array“. You can’t distinguish these
>> styles in the GetLegendGraphic-image.
>>
>>
>>
>> You can easily reproduce it, by adding a „stroke-width“ to the
>> LineSymbolizer of the default-line-Style („default_line.sld“) and click on
>> „preview Legend“:
>>
>>
>>
>> <CssParameter name="stroke-width">1.7</CssParameter>
>>
>>
>>
>> Regards,
>> Paul
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> ------------------------------------------------------------
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>>
>
>
> --
>
> Regards,
>
> Andrea Aime
>
> ==
> GeoServer Professional Services from the experts! Visit
> http://goo.gl/it488V for more information.
> ==
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> Ing. Andrea Aime
> @geowolf
> Technical Lead
>
> GeoSolutions S.A.S.
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-- 

Regards,

Andrea Aime

==
GeoServer Professional Services from the experts! Visit http://goo.gl/it488V
for more information.
==

Ing. Andrea Aime
@geowolf
Technical Lead

GeoSolutions S.A.S.
Via di Montramito 3/A
55054  Massarosa (LU)
phone: +39 0584 962313
fax: +39 0584 1660272
mob: +39  339 8844549

http://www.geo-solutions.it
http://twitter.com/geosolutions_it

AVVERTENZE AI SENSI DEL D.Lgs. 196/2003

Le informazioni contenute in questo messaggio di posta elettronica e/o
nel/i file/s allegato/i sono da considerarsi strettamente riservate. Il
loro utilizzo è consentito esclusivamente al destinatario del messaggio,
per le finalità indicate nel messaggio stesso. Qualora riceviate questo
messaggio senza esserne il destinatario, Vi preghiamo cortesemente di
darcene notizia via e-mail e di procedere alla distruzione del messaggio
stesso, cancellandolo dal Vostro sistema. Conservare il messaggio stesso,
divulgarlo anche in parte, distribuirlo ad altri soggetti, copiarlo, od
utilizzarlo per finalità diverse, costituisce comportamento contrario ai
principi dettati dal D.Lgs. 196/2003.

The information in this message and/or attachments, is intended solely for
the attention and use of the named addressee(s) and may be confidential or
proprietary in nature or covered by the provisions of privacy act
(Legislative Decree June, 30 2003, no.196 - Italy's New Data Protection
Code).Any use not in accord with its purpose, any disclosure, reproduction,
copying, distribution, or either dissemination, either whole or partial, is
strictly forbidden except previous formal approval of the named
addressee(s). If you are not the intended recipient, please contact
immediately the sender by telephone, fax or e-mail and delete the
information in this message that has been received in error. The sender
does not give any warranty or accept liability as the content, accuracy or
completeness of sent messages and accepts no responsibility  for changes
made after they were sent or for other risks which arise as a result of
e-mail transmission, viruses, etc.
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