[GeoNode-users] Styling a raster layer

[Ramesh De Silva]

Thanks a lot John. Following your instructions, I managed to remove the red
area in the picture.

On Tue, Mar 3, 2015 at 10:32 AM, John Jediny <john.jediny at gmail.com> wrote:

> That plus sometimes the layer won't transfer the "no data" value to sld w/
> SLD4raster; use the 'identify' tool to find the value for the red in the
> pic you sent and set that value to = 0.0 opacity/transparency directly in
> geoservers sld editor. Reference geoservers sld for raster tutorial for
> formatting help
>
> On Monday, March 2, 2015, Ramesh De Silva <desilvarami at gmail.com> wrote:
>
>> Dear Vivien,
>>
>> Many thanks for your directions. The first solution itself worked
>> smoothly. Really appreciate your help.
>>
>> Kind Regards
>> Ramesh
>>
>> On Tue, Mar 3, 2015 at 2:52 AM, Vivien Deparday <
>> vivien.deparday at gmail.com> wrote:
>>
>>> Hi Ramesh,
>>> this is very likely an issue related to GeoWebCache not clearing the
>>> cache properly even after the styles have been changed. There are a couple
>>> bug reports about it in github.
>>> First solution, go to GeoServer admin menu and on the left to the "Tile
>>> Layer" Menu and empty the cache from there for the layers you want. If it
>>> still doesn't work, you can fin the actual files of the tiles on the
>>> harddrive of the server and manually delete them, with this last resort, it
>>> should work for sure.
>>>
>>> Best,
>>>
>>> Vivien
>>>
>>> On Mon, Mar 2, 2015 at 1:57 PM, Ramesh De Silva <desilvarami at gmail.com>
>>> wrote:
>>>
>>>> Hi Paolo,
>>>>
>>>> Thanks for the directions. I created the SLD file using QGIS SLD4raster
>>>> plugin and uploaded to GeoServer. Then I assigned the style to my raster
>>>> layer. Now I can see the legends. Even the thumbnail got updated. But map
>>>> is still the same. Please have a look at following layer.
>>>>
>>>> http://203.159.29.10/layers/geonode:lc_10m_elvtif
>>>>
>>>> Same thing happens in vector layers as well. Please have a look at
>>>> http://203.159.29.10/layers/geonode:tha_adm1 . Here also I added the
>>>> SLD file in GeoServer level and assigned it to the data layer . I can see
>>>> the legends as well as thumbnail got updated after adding the SLD. But map
>>>> doesn't change.
>>>>
>>>> I did clear the browser cache assuming this is a caching issue. But it
>>>> is still the same. Also I tried from a different PC.
>>>>
>>>> By the way, if I preview these layers in GeoServer Layer Preview, I can
>>>> see the thematic map. Please let me know, if I need to do anything more in
>>>> order to make it effective in GeoNode level.
>>>>
>>>> Many thanks.
>>>>
>>>> Kind Regards
>>>> Ramesh
>>>>
>>>>
>>>> On Mon, Mar 2, 2015 at 9:15 PM, Paolo Corti <pcorti at gmail.com> wrote:
>>>>
>>>>> You will need to edit the GeoServer style directly from the GeoServer
>>>>> admin.
>>>>> A nice tool to use to generate the sld for rasters is the SLD4raster
>>>>> QGIS plugin.
>>>>> It can even upload the style to GeoServer from QGIS.
>>>>> regards
>>>>> p
>>>>>
>>>>> On Mon, Mar 2, 2015 at 1:56 PM, Ramesh De Silva <desilvarami at gmail.com>
>>>>> wrote:
>>>>> > Hi,
>>>>> >
>>>>> > I need to label different colors appearing in a raster layer. It
>>>>> seems I can
>>>>> > not do this using the style editor as there is no attribute table
>>>>> associated
>>>>> > with the raster layer.
>>>>> >
>>>>> > Is there a way to label these classes represented by different
>>>>> colors?
>>>>> >
>>>>> > Kind Regards
>>>>> > Ramesh
>>>>> >
>>>>> > _______________________________________________
>>>>> > geonode-users mailing list
>>>>> > geonode-users at lists.osgeo.org
>>>>> > http://lists.osgeo.org/cgi-bin/mailman/listinfo/geonode-users
>>>>> >
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Paolo Corti
>>>>> Geospatial software developer
>>>>> web: http://www.paolocorti.net
>>>>> twitter: @capooti
>>>>> skype: capooti
>>>>>
>>>>
>>>>
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>>>>
>>>>
>>>
>>
>
> --
> Cell: 973-931-0580
>
>
>
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