Hey there. I had some issues with the imagetype settings using PHP
MapScript, but we do use PNG24. For what it's worth, here's the
outputformat section of our PHP:
$map->imagecolor->setRGB(255,255,255);
$map->outputformat->set('name','gif');
$map->outputformat->set('mimetype','image/png; mode=24bit');
$map->outputformat->set('driver','AGG/PNG');
$map->outputformat->set('imagemode',MS_IMAGEMODE_RGBA);
$map->outputformat->set('transparent',MS_OFF);
$map->outputformat->set('extension','png');
$map->outputformat->setOption('INTERLACE','OFF');
//$map->outputformat->setOption('QUANTIZE_FORCE','ON');
//$map->outputformat->setOption('QUANTIZE_COLORS',256);
For reasons which now elude my memory (this was written some 3 years
ago) we had to use 'gif' as the output format, then simply reconfigure
what 'gif' means. This may have been a bug specific to our own version
of MapServer back in the day, but if it helps, I'm glad.
--
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Greg Allensworth - SysAdmin, Programmer, GIS Person, Security
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