Actually GetLegendGraphic works well (it was my mistake and I apologize), but
GetMap query still returns default value colors...
From: Victor.Sinceac
Sent: Tuesday, June 14, 2016 9:19 PM
To: geoserver-users@lists.sourceforge.net
Subject: SLD RasterSymbolizer: ColorMapEntry color variable substitution
Hi,
I'm trying to use variable substitution for color values in ColorMapEntry in
SLD with GeoServer V2.8.3. The SLD is as follows:
<RasterSymbolizer>
[... ETC ...]
<ColorMapEntry color="${env('c11','#2E6000')}" quantity=" 8" label="
+8°C"/>
[... ETC ...]
This works well with both WMS GetMap and GetLegendGraphic queries for default
values, but cannot change the result by sending ENV values different from
default.
When sending WMS GetMap and GetLegendGraphic queries, with or without ENV
values, the result is always the same (i.e. with default color values as
defined in the SLD).
I tried “&ENV=c11:%23000000;”, “&ENV=c11:#000000;”, “&ENV=c11:0xFF0000;”,
etc.: all queries return the same result as without ENV.
I’ve already read
http://gis.stackexchange.com/questions/188440/geoserver-dynamic-colormap-using-cql-wont-work,
which has the same subject and which says it should work with
“&ENV=c11:%23000000;”.
GeoServer log shows a priori a correct parsed query (here for the
GetLegendGraphic query try with “&ENV=c11:%23000000;”):
2016-06-14 20:56:47,834 INFO [geoserver.wms] -
Request: getLegendGraphic
Transparent = false
Width = 20
Height = 20
Scale = -1.0
Env = {C11=#000000, GSUSER=admin}
Styles = [StyleImpl[ name=Data_Raster]]
FeatureType = null
Layers = [SimpleFeatureTypeImpl /messir:ODB_SYNOP_Data
identified extends
Feature(station_id:station_id,data_time:data_time,paramvalue:paramvalue,geom:geom)]
LegendOptions = {}
Exceptions = SE_XML
Locale = null
Format = image/png
Rules = [Palette_Temperature_0_R]
Strict = true
Get = false
BaseUrl = ...
RawKvp = {STYLE=messir:Data_Raster,
LAYER=messir:ODB_SYNOP_Data, VERSION=1.0.0, FORMAT=image/png,
RULE=Palette_Temperature_0_R, ENV=c11:#000000, REQUEST=GetLegendGraphic}
RequestCharset = null
Version = 1.0.0
Request = GetLegendGraphic
Nevertheless, the result is for default color value as defined in ColorMapEntry.
How can I get working the color change with variable substitution?
Many Thanks,
Victor
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