What's the best OUTPUTFORMAT for ECW-files using WMS

[Bart van den Eijnden (OSGIS)]

If your layers are only backgrounds and don't need transparency, I would
suggest JPEG.

If you need more than 256 colours and transparency, you will need PNG24 like
you are using now but the images get pretty big unfortunately, which is a
disadvantage.

Best regards,
Bart

--
Bart van den Eijnden
OSGIS, Open Source GIS
http://www.osgis.nl


--------- Oorspronkelijk bericht --------
Van: Steven De Vriendt <gisaalter at GMAIL.COM>
Naar: MAPSERVER-USERS at LISTS.UMN.EDU <MAPSERVER-USERS at LISTS.UMN.EDU>
Onderwerp: [UMN_MAPSERVER-USERS] What's the best OUTPUTFORMAT for ECW-files
using WMS
Datum: 23/04/07 05:52

> I have about 50 ECW-files which I like
> to serve via WMS.
> 
> I'm using following OUTPUTFORMAT:
> 
> OUTPUTFORMAT
> NAME PNG24
>  DRIVER "GD/PNG"
> MIMETYPE "image/png"
> EXTENSION PNG
> FORMATOPTION "INTERLACE=OFF"
> IMAGEMODE RGBA
> TRANSPARENT ON
> END
> 
> Image quality is good, but the performance is not what I'd like it to be.
> Can anyone help me adjusting these parameters ?
> 
> thanks
> Steven
> 
>