Image package not finding imagemagick?

[Ben Abbott]

On Apr 9, 2008, at 10:31 PM, Ben Abbott wrote:
>
> On Apr 9, 2008, at 9:10 PM, Nic Jones wrote:
>> I've spent the last couple of days trying to get Octave installed to
>> run some code for an assignment for uni in computer vision.
>>
>> OS: Mac OS X 10.5 on a PowerBook G4
>>
>> My steps have been:
>> 1) downloaded and installed Octave.app (3.0.0) from http://octave.sourceforge.net/
>> 2) installed gnuplot and AquaTerm, mucked around until those seemed  
>> to
>> be working:
>>
>> octave-3.0.0:1> plot([1 2 3],[1 2 3], 'kx')
>> comes up with a figure showing what you'd expect.
>>
>> 3) loaded up my code and got the following error:
>>
>> error: `imread' undefined near line 20 column 13
>> error: evaluating assignment expression near line 20, column 11
>> error: near line 20 of file `Assignment1.m'
>>
>> 4) assumed that the functionality of imread doesn't come standard  
>> with
>> Octave.app
>> 5) downloaded the octave-forge-bundle-20080216
>> 6) tried to install
>>
>> pkg install image-1.0.5.tar.gz
>>
>> which took a while and gave errors I didn't copy down, but appeared  
>> to
>> me to have something to do with ld not finding symbols.
>> 7) from random googling et cetera, assumed my problem was that I  
>> don't
>> have something called "imagemagick"
>> 8) downloaded, compiled, installed, updated fink
>> 9) used FinkCommander to install imagemagick 6.3.8, which took hours
>> and installed a whole lot of stuff.  I think the complete list is 266
>> items long.  It seems to be installed and working, because:
>>
>> [nic at Sousei-Seki ~]$ convert --version
>> Version: ImageMagick 6.3.8 04/10/08 Q16 http://www.imagemagick.org
>> Copyright: Copyright (C) 1999-2008 ImageMagick Studio LLC
>>
>> [snip]
>>
>> So now I'm stumped and out of ideas.  Am I on the right path?  How do
>> I get Octave to see that I have imagemagick installed?
>>
>> Any help will be sincerely appreciated,
>> Nic Jones
>
> I have Octave & imagemagick installed via Fink. Installing the image
> package resulted in the following
>
> octave:3> pkg install image-1.0.5.tar
> In file included from /sw/include/jpeglib.h:28,
>                  from jpgwrite.cc:18:
> /sw/include/jconfig.h:12:1: warning: "HAVE_STDLIB_H" redefined
> In file included from /sw/include/octave-3.0.0+/octave/oct.h:31,
>                  from jpgwrite.cc:11:
> /sw/include/octave-3.0.0+/octave/config.h:570:1: warning: this is the
> location of the previous definition
> In file included from /sw/include/jpeglib.h:28,
>                  from jpgread.cc:49:
> /sw/include/jconfig.h:12:1: warning: "HAVE_STDLIB_H" redefined
> In file included from /sw/include/octave-3.0.0+/octave/oct.h:31,
>                  from jpgread.cc:41:
> /sw/include/octave-3.0.0+/octave/config.h:570:1: warning: this is the
> location of the previous definition
>
> While all of that looks ominous, when I tried to read a jpg, it
> appears to do so without problem.
>
> octave:10> img = imread('MacGuy.jpg');
> octave:11> which imread
> which: `imread' is the function from the file /Users/bpabbott/octave/
> image-1.0.5/imread.m
>
> I'm running OSX 10.5.2 on Intel. My Octave source files are locally
> installed (i.e. not directly from Fink, but built and installed using
> Fink).
>
> octave:12> ver
> ----------------------------------------------------------------------
> GNU Octave Version 3.0.0+
> GNU Octave License: GNU General Public License
> Operating System: Darwin 9.2.2 Darwin Kernel Version 9.2.2: Tue Mar  4
> 21:17:34 PST 2008; root:xnu-1228.4.31~1/RELEASE_I386 i386
> ----------------------------------------------------------------------
> Package Name  | Version | Installation directory
> --------------+---------+-----------------------
>        image *|   1.0.5 | /Users/bpabbott/octave/image-1.0.5
>        optim *|   1.0.0 | /Users/bpabbott/octave/optim-1.0.0
>     outliers *|  0.13.5 | /Users/bpabbott/octave/outliers-0.13.5
>
> There appear to be three differences between your situation and mine.
> (1) you did not use Fink to install Octave. (2) You are using a source
> distribution that is a few months older than mine, and (3) you Mac is
> a G4 and mine an Intel.
>
> I don't have the time to try this out on my G4, but will give it a try
> tomorrow. In the meantime, you might want to try to uninstall Octave
> and reinstall via Fink (that approach will also take care of many
> dependencies).
>

I was also successful with imread on my G4.

Ben