How to add legend to a GeoServer layer?

How to add legend to a GeoServer layer?

This is in contrast with Jose’s answer which involves an additional HTTP request (which could be referenced in a tag). In either case, the legend component can be influenced by also applying a style in the request for the layer. These are commonly coded with SLD.

Why do we need getlegendgraphic call in GeoServer?

GeoServer allows building content dependent legend, that is, legends whose contents depend on the currently displayed map. In order to support it the GetLegendGraphic call needs the following extra parameters:

How to set labels language in GeoServer 2.19?

Allows setting labels language for style titles and rules titles; needs a correctly localized SLD to work properly; if labels are not available in the requested language, the default text will be used; look at i18N in SLD for further details. GeoServer allows finer control over the legend appearance via the vendor parameter LEGEND_OPTIONS .

Which is the latest version of the Geoserver?

GeoServer version 2.17.2 I receive various errors and warnings when attempting to tile a raster layer using the standard EPSG:900913 gridset with a geowebcache REST call: WARN [org.geotools…. I have published a point file (1.4mil points) to my Geoserver.

Which is the default style for legend graphic?

Layer for which to produce legend graphic. Style of layer for which to produce legend graphic. If not present, the default style is selected. The style may be any valid style available for a layer, including non-SLD internally-defined styles. Feature type for which to produce the legend graphic.

What are the legend options in getlegendgraphic?

A set of LEGEND_OPTIONS keys are used to control icons layout in the produced legend images. In particular, a vertical or horizontal layout can be chosen.

What is the SLD specification for getlegendgraphic?

The SLD Specifications 1.0.0 gives a good description about GetLegendGraphic requests: The GetLegendGraphic operation itself is optional for an SLD-enabled WMS. It provides a general mechanism for acquiring legend symbols, beyond the LegendURL reference of WMS Capabilities.

Is the getlegendgraphic call optional for WMS?

The GetLegendGraphic operation itself is optional for an SLD-enabled WMS. It provides a general mechanism for acquiring legend symbols, beyond the LegendURL reference of WMS Capabilities. Servers supporting the GetLegendGraphic call might code LegendURL references as GetLegendGraphic for interface consistency.