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:[EMAIL PROTECTED]
Enviado el: lunes, 18 de febrero de 2008 18:17
Para: Hans Castorp
CC: [email protected]
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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