Re: Octave/GraphicsMagick cannot read TIF files

[Alexander Hansen]

On 2/25/13 5:25 AM, elektrochose wrote:
> Hi!
> 
> So I'm working with some .tif files (medical images) in octave and get the
> following error:
> 
> error: imread: invalid image file: Magick++ exception: Magick: Unable to
> open file
> 
> From what I understand Octave uses Graphicsmagick to handle images and such.
> When I type gm -version in the terminal I get:
> 
> Feature Support:
> ...
> TIFF                     no
> ...
> 
> But when I type convert -list format I get:
> 
> ....
> TIFF* rw+   Tagged Image File Format (LIBTIFF, Version 4.0.1)
> TIFF64* rw-   Tagged Image File Format (64-bit) (LIBTIFF, Version 4.0.1)
> ...
> 
> By the way I installed and correctly configured Libtiff. So I'm aware that i
> must recompile Graphicsmagick to include support for TIFF, and then
> recompile Octave. I've googled for a while and have tried many options but I
> just can't figure how to install Graphicsmagick to include support for TIFF!
> I've looked into library paths and such during installation but I'm not an
> expert on these things. Help!
> 
> I'm running Mac OSX 10.8.2, Octave 3.6.4 (compiled via Homebrew),
> GraphicsMagick 1.3.17 Q32  (compiled via Homebrew), and LIBTIFF, Version
> 4.0.1.
> 
> 
> 

I would say this is a matter to take up with the Homebrew support folks,
since it's not specific to Octave.

-- 
Alexander Hansen, Ph.D.
Fink User Liaison
My package updates: http://finkakh.wordpress.com/