[Geoserver-devel] [JIRA] (GEOS-9177) external legend graphics problems using GeoServer 2.14

GeoServer GeoServer Developer
1

Tobias Warneke created an issue

GeoServer / BugGEOS-9177

external legend graphics problems using GeoServer 2.14

Issue Type:

BugBug

Affects Versions:

2.14.3

Assignee:

Unassigned

Components:

styling

Created:

08/Apr/19 10:07 AM

Priority:

MediumMedium

Reporter:

Tobias Warneke

Due to a complex style, we want to use an externally generated image as a legend. Therefore we put it right into the style configuration as legend graphics.

  1. The url is only recognized, if it ends with a valid extension (we use a dummy parameter &helper=legend.png).

then within the capabilities document the legend part is:

<LegendURL width=“160” height=“144”>
<Format>image/png</Format>
<OnlineResource xmlns:xlink=“http://www.w3.org/1999/xlink” xlink:type=“simple” xlink:href=“http://192.168.10.115:8088/geoserver/styles/test_fh2_postgresql/[http://192.168.10.115:8088/gm.gisserver/rest/projects/test_fh2_postgresql/reports/generate/simple?reportid=201.1000&amp;reporttype=PNG&amp;helper=legend.png](http://192.168.10.115:8088/gm.gisserver/rest/projects/test_fh2_postgresql/reports/generate/simple?reportid=201.1000&amp;reporttype=PNG&amp;helper=legend.png)”/>
</LegendURL>

You see, the workspace URL is attached in front of it (http://192.168.10.115:8088/geoserver/styles/test_fh2_postgresql/)

  1. How is a GetLegendGraphic request formulated? We don’t know the size of our generated image. We want to set with / height for geoserver generated legend graphics. If we put width / height = 20 into our URL, the complete external legend graphics is scaled to 20x20.

Best regards

Tobias

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