[mapserver-users] AGG_Q + raster problem

[Hans Castorp]

This, by example


-----Mensaje original-----
De: Guillaume Sueur [mailto:guillaume.sueur at neogeo-online.net] 
Enviado el: lunes, 18 de febrero de 2008 19:04
Para: Hans Castorp; mapserver-users at lists.osgeo.org
Asunto: Re: [mapserver-users] AGG_Q + raster problem

what's the result in standard AGG mode ?

Hans Castorp a écrit :
> The result is the same with or without this line...
> 
> 
> -----Mensaje original-----
> De: Guillaume Sueur [mailto:guillaume.sueur at neogeo-online.net] 
> Enviado el: lunes, 18 de febrero de 2008 18:59
> Para: Hans Castorp
> CC: mapserver-users at lists.osgeo.org
> Asunto: Re: [mapserver-users] AGG_Q + raster problem
> 
> quantize_colors=255 is maybe the reason why your colors are reindexed on 
> a 256 colors palette.
> 
> Hans Castorp a écrit :
>> Thanks Brent, but there is a mistake, the example I attached is not the
>> mapservers original output: I have prepared it and give .gif extensión.
>>
>> This is the way I configure my output:
>>
>>   OUTPUTFORMAT
>>     NAME 'AGG_Q'
>>     DRIVER AGG/PNG
>>     IMAGEMODE RGBA
>> 	FORMATOPTION "TRANSPARENT=ON"
>>     FORMATOPTION "QUANTIZE_FORCE=ON"
>>     FORMATOPTION "QUANTIZE_DITHER=OFF"
>>     FORMATOPTION "QUANTIZE_COLORS=255"
>>   END
>>
>> Thanks in advance.
>>
>>
>>
>>
>> -----Mensaje original-----
>> De: Brent Fraser [mailto:bfraser at geoanalytic.com] 
>> Enviado el: lunes, 18 de febrero de 2008 18:17
>> Para: Hans Castorp
>> CC: mapserver-users at lists.osgeo.org
>> Asunto: Re: [mapserver-users] AGG_Q + raster problem
>>
>> Hans,
>>
>>   GIF supports only 256 colors.  Use PNG (or JPG) for an output format.
>>
>> Brent Fraser
>>
>>> Hi to all,
>>>
>>>
>>>
>>> I’m trying to publish a cartography using both vectorial and raster
>>> layers.
>>> I’m using mapserver 5 and agg_q as output format. There is no problem
>>> about
>>> vectorial files (shapefiles): all work fine.
>>>
>>> The only problem I’m having is trying to publish some raster stuff: an
>>> aerial photo (.geotiff) and a digital terrain model (.ecw). I’m not
>>> capable
>>> to make the output showing real colours; there is an example attached to
>>> this mail (an aerial photo).
>>>
>>>
>>>
>>> My mapfile looks in this way:
>>>
>>>
>>>
>>> LAYER
>>>         NAME "MDT"
>>>         STATUS DEFAULT
>>>         GROUP "MDT"
>>>         TYPE raster
>>>         DATA "mdt.tif"
>>>         CLASS
>>>                MINSCALE 15000
>>>         END
>>> END
>>>
>>> LAYER
>>>         NAME "ORTOFOTO"
>>>         STATUS DEFAULT
>>>         GROUP "ORTOFOTO"
>>>         TYPE raster
>>>         DATA "ortofoto.ecw"
>>>         CLASS
>>>                MAXSCALE 15000
>>>         END
>>> END
>>>
>>>
>>>
>>> What I have to do to solve this?
>>>
>>>
>>>
>>> Thanks in advance to everyone.
>>>
>>>
>>>
>>>
>>>
>>> Hans Castorp
>>
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>>
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>>
> 

-- 
Guillaume SUEUR
Expert SIG et OpenSource
NEOGEO
46 RUE MATABIAU
31000 TOULOUSE
06 74 91 95 20
Site web : http://www.neogeo-online.net

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