[Geoserver-devel] [JIRA] (GEOS-10346) Problem with GetLegendGraphic + MBR + hideEmptyRules=true

GeoServer GeoServer Developer
1

pietro.dorio created an issue

GeoServer / BugGEOS-10346

Problem with GetLegendGraphic + MBR + hideEmptyRules=true

Issue Type:

BugBug

Affects Versions:

2.20.1

Assignee:

Unassigned

Created:

28/Dec/21 3:15 PM

Priority:

HighHigh

Reporter:

pietro.dorio

The GetLegendGraphic call with parameters legend_options=hideEmptyRules%3Atrue + BBOX does not seem to work correctly.

Example of a GetLegendGraphic call:

https://demo-geoservices1.civis.bz.it/geoserver/p_bz-AdministrativeUnits/ows?service=WMS&REQUEST=GetLegendGraphic&FORMAT=image%2Fpng&WIDTH=25&HEIGHT=25&VERSION=1.3.0&LAYER=EuropeanBoundaries&BBOX=1113180.576362122%2C5837073.5607445575%2C1290667.3560403015%2C5952340.599398604&CRS=EPSG%3A3857&LANGUAGE=it&legend_options=hideEmptyRules%3Atrue%3BforceLabels%3Aon%3BforceTitles%3Aoff%3Bwrap%3Atrue%3Bwrap_limit%3A400%3B

Example of GetMap on the same layer, with the same BBOX:

https://demo-geoservices1.civis.bz.it/geoserver/p_bz-AdministrativeUnits/ows?service=WMS&REQUEST=GetLegendGraphic&FORMAT=image%2Fpng&WIDTH=25&HEIGHT=25&VERSION=1.3.0&LAYER=EuropeanBoundaries&BBOX=997072.7303969394%2C5808180.364052761%2C1349447.430791602%2C5981233.7960904&CRS=EPSG%3A3857&CRS=EPSG%3A3857&LANGUAGE=it&legend_options=hideEmptyRules%3Atrue%3BforceLabels%3Aon%3BforceTitles%3Aoff%3Bwrap%3Atrue%3Bwrap_limit%3A400%3B

As you can see, both the “linea di costa”, which is out of extent, and the thin line of the “confine di stato”, which would be seen at a higher scale, appear.

Here an example of correct Legend and GetMap on the same layer

https://demo-geoservices1.civis.bz.it/geoserver/p_bz-AdministrativeUnits/ows?service=WMS&REQUEST=GetLegendGraphic&FORMAT=image%2Fpng&WIDTH=25&HEIGHT=25&VERSION=1.3.0&LAYER=EuropeanBoundaries&BBOX=-254244.87173571903%2C6386752.592516086%2C218135.96306667023%2C6673238.574528926&SRS=EPSG%3A3857&CRS=EPSG%3A3857&LANGUAGE=de&legend_options=hideEmptyRules%3Atrue%3BforceLabels%3Aon%3BforceTitles%3Aoff%3Bwrap%3Atrue%3Bwrap_limit%3A400%3B

https://demo-geoservices1.civis.bz.it/geoserver/p_bz-AdministrativeUnits/ows?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&FORMAT=image%2Fpng8&TRANSPARENT=true&LAYERS=EuropeanBoundaries%2CEuropeanRegions&STYLES=%2CEuropeanRegions-OnlyLabel&language=de&CRS=EPSG%3A3857&WIDTH=2305&HEIGHT=1132&BBOX=-254244.87173571903%2C6386752.592516086%2C218135.96306667023%2C6673238.574528926

If you want access to the configurazion of GS please write me: pietro.dorio@anonymised.com or stefan.putzer@anonymised.com.

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