Hi Andrea
Thanks a lot for the explanation. We were aware of the static legend option but it was not the preferred option since in our use case the layers are created automatically. We will give it a try though.
Best wishes, Cécile

On 12/3/22 21:42, Andrea Aime wrote:
Hi Cecile,
the expectation of same behavior in map and legend does not match reality.
When building a map, the SLD is given actual features from your dataset, each of which is used to evaluate functions line endPoint and endAngle. When building the legend instead, there is no data access, the legend code tries to make up a fake feature conforming to the structure of the underlying data set, complex styles using will fail to evaluate against it.

Arrows at the end of lines would need dedicated code in the legend generator to recognize them, do something sensible to support it, and  also reserve the extra space for the arrow in the symbol ... it would not be trivial to implement.

I'd recommend creating a custom legend by hand instead, and configuring it as a static legend.

Cheers
Andrea


On Wed, Nov 23, 2022 at 11:57 AM Cécile Vuilleumier <cecile.vuilleum...@camptocamp.com> wrote:

    Hello,

    We are helping a customer with symbologies. They have a symbology
    which uses the functions 'endPoint' and 'endAngle' for point
    symbolizer (triangles) in order to represent lines as arrows.
    These functions are working as expected on the map, but are
    ignored in the legend. As a result the legend is a bit confusing.
    I would expect functions supported in the symbology to be also
    supported in the legend. Attached is an image of the actual and
    expected results and the corresponding SLD file.

    Is this a known issue, or a feature, or could we consider opening
    an issue about this?

    Thanks in advance
    Best regards, Cécile

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*camptocamp*
INNOVATIVE SOLUTIONS
BY OPEN SOURCE EXPERTS

*Cécile Vuilleumier
*
Geospatial developer
*
*
*Camptocamp SA*
Leberngasse 21
4600 Olten
Switzerland
+41 62 544 03 77
www.camptocamp.com <http://www.camptocamp.com>
_______________________________________________
Geoserver-users mailing list

Please make sure you read the following two resources before posting to this 
list:
- Earning your support instead of buying it, but Ian Turton: 
http://www.ianturton.com/talks/foss4g.html#/
- The GeoServer user list posting guidelines: 
http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: 
https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


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