From help-octave-request at bevo dot che dot wisc dot edu  Tue Dec 14 10:32:44 1999
Subject: problem with imagesc
From: "John W. Eaton" <jwe at bevo dot che dot wisc dot edu>
To: Michael Roth <mike at aug dot ig dot erdw dot ethz dot ch>
Cc: help-octave at bevo dot che dot wisc dot edu
Date: Tue, 14 Dec 1999 10:33:15 -0600 (CST)

On 14-Dec-1999, Michael Roth <mike at aug dot ig dot erdw dot ethz dot ch> wrote:

| Today I made my first steps with octave (version 2.0.14) under
| Suse-linux (6.2). 
| I encoutered a problem in generating an image using the imagesc -
| command.
| 
| For example, the following two lines
|    
| 
| 
| >> x=rand(10);
| >> imagesc(x)
| 
| 
| result in 
| 
| 
| parse error near line 165 of file
| /usr/share/octave/2.0.14/m/image/saveimage.m
| 
| >>>       img_row = [map(img(idx)); zeros (8-n_long, 1)];
|                                                   ^
| 
| error: `saveimage' undefined near line 48 column 3
| error: evaluating index expression near line 48, column 3
| error: called from `image' in file
| `/usr/share/octave/2.0.14/m/image/image.m'
| error: called from `imagesc' in file
| `/usr/share/octave/2.0.14/m/image/imagesc.m'
| 
| 
| What's wrong? 

You used --traditional?

You can fix the problem by rewriting the line like this:

	  img_row = [map(img(idx)); (zeros (8-n_long, 1))];

instead.

jwe



-----------------------------------------------------------------------
Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.che.wisc.edu/octave/octave.html
How to fund new projects:  http://www.che.wisc.edu/octave/funding.html
Subscription information:  http://www.che.wisc.edu/octave/archive.html
-----------------------------------------------------------------------