Just a guess but have you tried with transparent = 0? Just wondering if
the transparent mode rendering is somehow overriding the RGBA alpha mode
rendering?
Chris
Jason Beverage wrote:
Hi all,
I'm serving up some raster imagery with an alpha band that contains
partially transparent pixels using mapscript but when the image is
rendered, the partially transparent portions (alpha between 5 and 10)
come through completely opaque (alpha of 255). Areas that are fully
opaque or fully transparent look fine.
I'm using an output format with the GD/PNG renderer with a RGBA image
mode and "transparent" set to true. I've tried using the AGG/PNG and
GDAL/PNG renderers with the same result.
C# code for the output format:
map.outputformat.name <http://map.outputformat.name> = "PNG";
map.outputformat.driver = "GD/PNG";
map.outputformat.mimetype = "image/png";
map.outputformat.imagemode = (int)MS_IMAGEMODE.MS_IMAGEMODE_RGBA;
map.outputformat.extension = "png";
map.outputformat.transparent = 1;
Any ideas on what I'm doing wrong?
Thanks,
Jason
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