PGM 16-bit image files are not supported

[BradW]

PGM 8-bit image files are supported in BC3 without any problems. However, PGM 16-bit image files (at least, the P5 binary files) are not (I assume that PPM 16-bit image files are not support, either). Can we add support for them?

Details are found here:
http://www.fileformat.info/format/pbm/egff.htm
http://netpbm.sourceforge.net/doc/pgm.html
http://netpbm.sourceforge.net/doc/ppm.html

The only difference is that maxval is greater than 255 and the value is stored in multiple bytes.

Thanks,
Brad

[Chris]

Hi Brad,

Thanks for the suggestion.

Can you send us an example 16-bit pgm file that you're having trouble with? You can send it to [email protected].

If you can't send us an example file, what program are you using to generate the pgm files?

[brad.wade]

Hi Chris--

Thanks for your reply. I found this thread again while trying to compare to 16-bit PGM images.

I'm not sure if I didn't see your reply or did not send a reply. However, I can't find a record of me sending a response.

Can we re-open this request? I have attached an example image and screenshots of how it should appear and how it appears in Beyond Compare 4. I have also sent a similar email to [email protected].

Thanks,
Brad Wade

[Aaron]

Hello,

Thanks for getting back to us with those sample files. I also tested BC4 and, despite upgrading the Picture Library to a newer version, this file type still isn't supported. With these sample files, we can investigate this support.