Hi Michael,
known issue, check the archives for discussion and link to a ticket.
Cheers
Andrea
On Thu, Jun 30, 2016 at 6:58 PM, Michael Moore <[email protected]> wrote:
> I have two possibly related issues that I'm not sure if are bugs, user
> error or simply something I've missed in the documentation.
>
> Both have to do with using variable substitution in an SLD.
>
> Background: I have a 16-color gradient that by default goes from 0-256 in
> equal steps. If the request includes ENV=min:n;max:m then instead of using
> 0-256 for the range, n-m is used. This part has been and is working great.
>
>
>
>
> Issue 1) It seems that environment variables aren't evaluated inside the
> label tag.
>
> Now I wanted to generate a legend. Since the values at the breaks can
> change with the environment variables, I wanted to use the environment
> variables in the label. Instead of evaluating the environment variables,
> the literal statements are printed.
>
> --
>
>
> Issue 2) Variable Substitution doesn't seem to work when multiple rules
> are present.
>
>
> During this process I added a second rule to the SLD. When a second rule
> is present, it appears that variables are not substituted, although the
> ${env('max',256)} does resolve to 256 (instead of the ENV=max:m value) and
> no errors are seen.
>
>
> My data layers are .tiff file with various value ranges.
>
> My SLD file is here: http://pastebin.com/iBsRU1Mk
>
>
>
> My test request looks like this. This particular image has a value range
> of about 3 to 5. This is the same WMS request that the OpenLayers view
> makes, except with ENV=min:0;max:10 tacked on the end. It's at scale 1:4261.
>
> With the SLD with two rules (as in the Pasebin above) the image renders
> solid black which corresponds to the first bucket (0-15.99) of the default
> color ramp. If I delete the second rule and make the same request the image
> renders in red tones, which is what I expect with the dynamic color ramp.
>
>
>
> http://myserver/geoserver/client-farms/wms?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&FORMAT=image%2Fjpeg&TRANSPARENT=true&STYLES=test&LAYERS=client-farms%3Afname-client_florida-10-west-qtr_18-ac-field_2013_grid-sampling_organic-matter&SRS=EPSG%3A4326&WIDTH=769&HEIGHT=331&BBOX=???.40126472711921%2C44.78623741864801%2C???.39302247762322%2C44.789780437949894&ENV=min:0;max:10
>
>
> 2016-06-30 11:40:14,013 INFO [org.geoserver.wms] -
> Request: getMap
> FeatureVersion = null
> Sld = null
> Filters = null
> BgColor = java.awt.Color[r=255,g=255,b=255]
> RemoteOwsURL = null
> FormatOptions = {}
> FeatureId = null
> Elevation = []
> ViewParams = null
> RemoteOwsType = null
> StartIndex = null
> CQLFilter = null
> Tiled = false
> Transparent = true
> SldBody = null
> StyleFormat = sld
> StyleUrl = null
> TilesOrigin = null
> ValidateSchema = false
> Interpolations = []
> Palette = null
> SRS = EPSG:4326
> Styles = [StyleImpl[ name=test]]
> Layers = [org.geoserver.wms.MapLayerInfo@9adcdbac]
> MaxFeatures = null
> Crs = GEOGCS["WGS 84",
> DATUM["World Geodetic System 1984",
> SPHEROID["WGS 84", 6378137.0, 298.257223563,
> AUTHORITY["EPSG","7030"]],
> AUTHORITY["EPSG","6326"]],
> PRIMEM["Greenwich", 0.0, AUTHORITY["EPSG","8901"]],
> UNIT["degree", 0.017453292519943295],
> AXIS["Geodetic longitude", EAST],
> AXIS["Geodetic latitude", NORTH],
> AUTHORITY["EPSG","4326"]]
> Bbox = SRSEnvelope[???.40126472711921 : ???.39302247762322,
> 44.78623741864801 : 44.789780437949894]
> Env = {GSUSER=admin, MAX=13, MIN=0}
> Angle = 0.0
> Exceptions = SE_XML
> StyleBody = null
> SldVersion = null
> StyleVersion = null
> ScaleMethod = null
> Time = []
> Height = 331
> Width = 769
> Format = image/jpeg
> Buffer = 0
> Filter = null
> Get = true
> Request = GetMap
> BaseUrl = http://myserver:80/geoserver/ <http://myserver/geoserver/>
> RawKvp = {FORMAT=image/jpeg, REQUEST=GetMap, SRS=EPSG:4326,
> BBOX=???.40126472711921,44.78623741864801,???.39302247762322,44.789780437949894,
> VERSION=1.1.1, STYLES=test, WIDTH=769, SERVICE=WMS, HEIGHT=331,
> ENV=min:0;max:13, TRANSPARENT=true,
> LAYERS=client-farms:fname-client_florida-10-west-qtr_18-ac-field_2013_grid-sampling_organic-matter}
> RequestCharset = UTF-8
> Version = 1.1.1
> 2016-06-30 11:40:14,029 DEBUG [org.geoserver.config.impl] - Could not
> locate service of type interface org.geoserver.wms.WMSInfo in workspace
> WorkspaceInfoImpl[client-farms], available services were [WCSInfoImpl[WCS],
> WFSInfoImpl[WFS], WMSInfoImpl[WMS]]
> 2016-06-30 11:40:14,060 DEBUG [org.geoserver.filters] - Not compressing
> output for mimetype: image/jpeg
> 2016-06-30 11:40:14,060 DEBUG
> [org.geoserver.security.filter.GeoServerSecurityContextPersistenceFilter$1]
> - SecurityContextHolder now cleared, as request processing completed
> 2016-06-30 11:40:17,196 DEBUG
> [org.geoserver.security.IncludeQueryStringAntPathRequestMatcher] - Checking
> match of request : 'Path:
> /web/wicket/bookmarkable/org.geoserver.web.admin.logpage, QueryString:
> 73&lines=1000'; against '/web/**'
> 2016-06-30 11:40:17,196 DEBUG
> [org.geoserver.security.IncludeQueryStringAntPathRequestMatcher] - Matched
> Path: /web/wicket/bookmarkable/org.geoserver.web.admin.logpage,
> QueryString: 73&lines=1000 with /web/**
> 2016-06-30 11:40:17,196 TRACE [org.geoserver.ows.OWSHandlerMapping] - No
> handler mapping found for
> [/web/wicket/bookmarkable/org.geoserver.web.admin.LogPage]
> 2016-06-30 11:40:17,196 TRACE [org.geoserver.ows.OWSHandlerMapping] - No
> handler mapping found for
> [/web/wicket/bookmarkable/org.geoserver.web.admin.LogPage]
> 2016-06-30 11:40:17,196 TRACE [org.geoserver.ows.OWSHandlerMapping] - No
> handler mapping found for
> [/web/wicket/bookmarkable/org.geoserver.web.admin.LogPage]
> 2016-06-30 11:40:17,196 TRACE [org.geoserver.ows.OWSHandlerMapping] - No
> handler mapping found for
> [/web/wicket/bookmarkable/org.geoserver.web.admin.LogPage]
> 2016-06-30 11:40:17,227 DEBUG [org.geoserver] - Thread 20 locking in mode
> WRITE
> 2016-06-30 11:40:17,227 DEBUG [org.geoserver] - Thread 20 got the lock in
> mode WRITE
>
>
>
>
> Info that might be relevant:
>
>
> GeoServer Version
> 2.9-beta2
> Git Revision
> e0aa7e3509b12a6838cdb8187ef327c149302beb
> Build Date
> 21-Apr-2016 04:41
> GeoTools Version
> 15-beta2 (rev be8fc7adf7d3f016fc298dce9daeafbe50899381)
> GeoWebCache Version
> 1.9-beta2 (rev master/806006ed652e11d6f3d4ea694d15a16a989a4852)
>
>
> This is running on Windows Server 2012 (64 bit), but running 32 bit
> GeoServer and 32 bit java.
>
>
> --
> Michael Moore
>
>
> ------------------------------------------------------------------------------
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>
--
==
GeoServer Professional Services from the experts! Visit
http://goo.gl/it488V for more information.
==
Ing. Andrea Aime
@geowolf
Technical Lead
GeoSolutions S.A.S.
Via di Montramito 3/A
55054 Massarosa (LU)
phone: +39 0584 962313
fax: +39 0584 1660272
mob: +39 339 8844549
http://www.geo-solutions.it
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