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September 2008
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2008.09.08 10:07 "Re: SAMPLEFORMAT_IEEEFP", by <jcupitt@gmail.com>
2008/9/8 Bob Friesenhahn <bfriesen@simple.dallas.tx.us>: > On Sun, 7 Sep 2008, acanicio wrote: >> But I have no luck with floating point values. I use SAMPLEFORMAT_IEEEFP >> sample format along with 32 bits per sample. >> All the pixel values are issued from an 8 bit/sample image, with no >> conversion or multiplication applied to them. >> When I open the file with some well known image editor, the image is >> completely saturated, all white with values 32767... >> Where should I look ? > > Most applications don't support floating point images like this. My > application (GraphicsMagick) does, but in a somewhat crude way. Some > applications like GDAL are designed for floating point and should do a lot > better. My scientific image processing application, vips, also supports floating point tiff. http://www.vips.ecs.soton.ac.uk It might be useful to testing. There's a windows binary and packages for most unix variants. John