[Mapserver-users] RE: symbol transparency

[Steve Lime]

Text cannot be made transparent because of the way it is cached. The
exception is 
drawing text outside of the labelcache and you can do that by setting
LABELCACHE OFF
in your layer definition.

Steve

>>> Havard Tveite <havard.tveite at ikf.nlh.no> 03/21/03 11:04AM >>>
ryanne cruz wrote:
> can anyone tell me how to makes the symbols transparent? i saw in the

> documentation that the symbols has an attribute "transaparent [color
index]". 
> but i did not understand it. can anyone please explain it to me?
thanks. 

I don't think this has not been documented completely yet. I
have tested a bit, and the following is based on my experiences.
In mapserver 3.7, you can use TRANSPARENCY 50 (LAYER attribute)
to make everything in a layer 50% transparent (TRANSPARENCY 10
means 90% transparent :-( ). This works for both raster and
vector data. I am not sure if text can be made transparent.
The chosen image type / outputformat might be important.

-- 
Håvard Tveite                       Phone:  +47 64948857
Department of Mapping Sciences      Fax:    +47 64948856
Agricultural University of Norway  http://www.nlh.no/ikf 
Hogskoleveien 14, POBox 5034, N-1432 Ås, NORWAY

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