I’d like to generate a raster image with transparency from a shapefile. I send requests like this one:
(…)/geoserver/wms?bbox=(…)&styles=&Format=image/png&request=GetMap&version=1.1.1&layers=(…)&width=505&height=550&srs=EPSG:4326
And i get a correct image, but it has no transparency, background color around the shape is white.
Same result if i try Format=image/png8, palette=safe etc.
But if i request a KMZ file (Format=application/vnd.google-earth.kmz+XML) and unzip it, the png file included does have transparency. Why can’t i obtain transparency when i directly request an image?
(I am not using IE6…)
Regards
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Just add transparent=true to the GetMap request and that should do the trick.
-Justin
Bultrighini Filippo wrote:
I'd like to generate a raster image with transparency from a shapefile. I send requests like this one:
(...)/geoserver/wms?bbox=(...)&styles=&Format=image/png&request=GetMap&version=1.1.1&layers=(...)&width=505&height=550&srs=EPSG:4326
And i get a correct image, but it has no transparency, background color around the shape is white.
Same result if i try Format=image/png8, palette=safe etc.
But if i request a KMZ file (Format=application/vnd.google-earth.kmz+XML) and unzip it, the png file included does have transparency. Why can't i obtain transparency when i directly request an image?
(I am not using IE6...)
Regards
******************************************************************************************
CONFIDENTIALITY NOTICE
This e-mail and any attachment are confidential and may be privileged or otherwise protected from disclosure. It is solely intended for the person(s) named above. If you are not the intended recipient, any reading, use, disclosure, copying or distribution of all or parts of this e-mail or associated attachments is strictly prohibited. If you are not an intended recipient, please notify the sender immediately by replying to this message or by telephone and delete this e-mail and any attachments permanently from your system.
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Justin Deoliveira
OpenGeo - http://opengeo.org
Enterprise support for open source geospatial.