Thanks for your help.
I've try this, but I still get white pixel (RGB=FFFFFF, Alpha=FF) instead of
transparent pixels (RGB=xxxxxx, Alpha = 0)
Do you know how to get RGBA transparent pixels ?
De : [email protected] [mailto:[email protected]] De la part de Andrea
Aime
Envoyé : jeudi 23 juin 2011 16:34
À : ALBERT Aurélien
Cc : [email protected]
Objet : Re: [Geoserver-users] Use transparent color where there is no data
On Thu, Jun 23, 2011 at 4:05 PM, ALBERT Aurélien
<[email protected]<mailto:[email protected]>> 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
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