Gambin Dejan wrote:
Hi,
Maybe someone can explain my imagetype/outputformat behaviour. I am
displaying a set of RGB tif rasters. I set:
IMAGETYPE png
OUTPUTFORMAT
NAME png
DRIVER "GD/PNG"
MIMETYPE "image/png"
IMAGEMODE RGB
FORMATOPTION INTERLACE=OFF
TRANSPARENT OFF
OUTPUTFORMAT
NAME png8
DRIVER "GD/PNG"
MIMETYPE "image/png"
IMAGEMODE PC256
FORMATOPTION INTERLACE=OFF
TRANSPARENT OFF
END
END
Dejan,
I assume you don't really nest outputformat declarations like you
show above, right?
The resulting 556x424 png image is 303KB in size.
> When setting some user
defined IMAGETYPE/NAME, for example:
IMAGETYPE custom
OUTPUTFORMAT
NAME custom
...
I get a much worse display, and the png file is 53KB in size. Is it
allowed to set the custom names here?
Yes, it is allowed (in fact encouraged) to use your own custom name
for custom output format declarations.
Also, I get the same result with png8 and png IMAGETYPE. I don't know
why? Maybe I am missing something?
I'm not sure your attempt to override the PNG output format really
worked. I normally never use a pre-defined output format name for
a custom output format declaration in a mapfile.
Best regards,
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