[mapserver-users] mapserver produces interlaced PNGs even if I configured the map to output noninterlaced PNGs

[Guillaume Sueur]

hi,

rename your OUTPUTFORMAT to 'PNG' for it to be used when asking for png
format. 

Guillaume

Le mercredi 14 octobre 2009 à 16:36 +0300, Adrian Popa a écrit :
> Hello all, 
> 
> My goal is to setup tilecache (which is proving to be a real pain),
> and so far I've noticed that even if I configured my map to generate
> noninterlaced PNGs (instructions here:
> http://www.mapserver.org/faq.html#why-doesn-t-pil-python-imaging-library-open-my-pngs), it still generates interlaced PNGs.
> 
> Here is my outputformat (the only one defined) in my map:
> OUTPUTFORMAT
>     NAME 'AGG'
>     DRIVER AGG/PNG
>     IMAGEMODE RGBA
>     TRANSPARENT ON
>     FORMATOPTION "INTERLACE=OFF"
> END
> 
> The parameters that get sent to my mapserver instance are:
> BBOX
> 2896046.12635,5831228.011975,2935181.884825,5870363.77045
> EXCEPTIONS
> application/vnd.ogc.se_inimage
> FORMAT
> png
> HEIGHT
> 256
> LAYERS
> Judete,RuralSate,Rural,Urban,roads,roads-buc,buildings,GranitaJudete
> MAP
> /var/www/html/map/rtc_base.map
> MAP_IMAGETYPE
> agg
> MAXEXTENT
> left-bottom=(20.26,43.16)
> right-top=(29.7,48.46)
> MAXRESOLUTION
> 156543
> REQUEST
> GetMap
> SERVICE
> WMS
> SRS
> EPSG:900913
> STYLES
> 
> 
> TRANSITIONEFFECT
> resize
> TRANSPARENT
> false
> UNITS
> m
> VERSION
> 1.1.1
> WIDTH
> 256
> 
> I'm not sure if MAP_IMAGETYPE=agg is the one which selects the
> outputformat or not, but the map seems to be rendered with AGG (I
> could be wrong, of course).
> 
> So, what am I missing here? Is there another parameter that should be
> sent to mapserver to select the outputformat?
> 
> By the way, the image file generated has these properties: img.png:
> PNG image, 256 x 256, 8-bit colormap, interlaced
> 
> Thanks,
> Adrian
> 
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