Re: [Geoserver-users] Use transparent color where there is no data

[Andrea A. <and...@ge...>]

On Thu, Jun 23, 2011 at 4:05 PM, ALBERT Aurélien <
aur...@al...> wrote:

> Hi,****
>
> ** **
>
> I use GeoServer with some GeoTiff data files.****
>
> ** **
>
> My set of GeoTiff data files covers a limited area (for example a BBox(-2,
> -2, +2, +2))****
>
> ** **
>
> Is it possible to get PNG files from WMS GeoServer service with transparent
> color where there is no data available (ie outside my BBox) ?****
>
> ** **
>
> For example :****
>
> ** **
>
> - if I request for a PNG file with BBox(+5, +5, +8, +8) => I want to get a
> fully transparent PNG file****
>
> - if I request for a PNG file with BBox(0, 0, +4, +4) => I want to get a
> PNG file with data in the area (0, 0, +2, +2) and transparent anywhere else
>

At the moment that functionality is available only in the image mosaic
plugin.
You can put your geotiff in a folder and point the mosaic plugin at that
folder... it's overkill but it
should give you the functionality you need.

Cheers
Andrea

-- 
-------------------------------------------------------
Ing. Andrea Aime
GeoSolutions S.A.S.
Tech lead

Via Poggio alle Viti 1187
55054  Massarosa (LU)
Italy

phone: +39 0584 962313
fax:      +39 0584 962313

http://www.geo-solutions.it
http://geo-solutions.blogspot.com/
http://www.youtube.com/user/GeoSolutionsIT
http://www.linkedin.com/in/andreaaime
http://twitter.com/geowolf

-------------------------------------------------------