[MS4W-Users] Image 24 Bit
jmckenna at gatewaygeomatics.com
Fri Nov 23 08:59:43 EST 2012
On 12-11-23 9:27 AM, José Pedro Santos wrote:
> Dear all,
> I'm attempting to classify images of 24 bits but I always have the error
> saying this: ........Unable to access file. Attempt to classify 24bit
> image, this is unsupported.
> My Mapfile is this one:
> IMAGETYPE "png24"
> OUTPUTFORMAT # Parameter Output
> NAME png24
> DRIVER "GD/PNG"
> MIMETYPE "image/png"
> EXTENSION PNG
> IMAGEMODE RGBA
> TRANSPARENT ON
> END # end of parameter Output
> and in the expression of GetMap I use FORMAT=image/png
> In the Layer description I have the special processing directives to
> processed the 3 bands. But If put just 2 appear one empty image not the
> error. I already read some documentation but I can't succeed.
> any idea?
> Many thanks and best regards,
> José Santos
It is difficult for me to comment without testing your local file.
However if I were you I might:
- in your OUTPUTFORMAT object I would:
- change "GD/PNG" to "AGG/PNG"
- change "RGBA" to "RGB"
- remove "TRANSPARENT ON"
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