Are these fixes:

Change 1157 on 2001/09/24 by parkrrrr@parkerr-linux

 Fix inability to use PNG or TIFF images as heightfields

Change 1155 on 2001/09/24 by parkrrrr@parkerr-linux

 Fix error opening hf_gray_16 file: POV was forgetting the file type.

...a fix to this bug report?:

hf_gray_16 + png creates wrong output image
http://news.povray.org/3BA3BAE6.4671C0BB@free.fr

...I guess not as the error still occurs.

And is this fix:

Change 1183 on 2001/10/02 by parkrrrr@parkerr-linux

 Fix problem with ASCII PGM files.  It's still really shaky, though;
 it really needs to be either rewritten or fixed to use libppm.

...a fix to this bug report:

16-bit PGM pigment and height field problems
http://news.povray.org/3ba99adb@news.povray.org

...I don't know anything about PGM, so I can't test this myself.

There may also be other fixes/bugs where I won't recognize the connection.

Rune
--
3D images and anims, include files, tutorials and more:
Rune's World:    http://rsj.mobilixnet.dk (updated June 26)
POV-Ray Users:   http://rsj.mobilixnet.dk/povrayusers/
POV-Ray Webring: http://webring.povray.co.uk

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