[Image-SIG] .TIFF Group4 not available?

Scheele, Mark L Mark.Scheele@usa.xerox.com
Mon, 08 May 2000 12:55:20 -0400

Help. Trying to write a simple module to convert a .TIFF to a .JPEG.

Keep getting an error: group4 decoder not available:  See code below.

Repeat. Help. (i.e. how do i make group4 available?)


Python 1.5.1 (#0, Jun 15 1998, 11:13:40) [MSC 32 bit (Intel)] on win32
Copyright 1991-1995 Stichting Mathematisch Centrum, Amsterdam
>>> import Image
>>> i = Image.open("./testing/large.tif")
>>> i.save("new.tif")
Traceback (innermost last):
  File "<stdin>", line 1, in ?
  File "c:\py15\Pil\Image.py", line 654, in save
  File "c:\py15\Pil\ImageFile.py", line 134, in load
    d = Image._getdecoder(self.mode, d, a, self.decoderconfig)
  File "c:\py15\Pil\Image.py", line 227, in _getdecoder
    raise IOError, "decoder %s not available" % decoder_name
IOError: decoder group4 not available

---------------------------------------------------------	Mark Scheele