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Re: "default.img" missing in octave-2.9.13


From: Henry F. Mollet
Subject: Re: "default.img" missing in octave-2.9.13
Date: Fri, 10 Aug 2007 20:10:30 -0700
User-agent: Microsoft-Entourage/11.1.0.040913

How does default.img work?
The file comprises two matrices
1. map 64x3, and
2. X 33x40.
When I use
octave-2.9.13:3> img1 = loadimage ("default.img");
octave-2.9.13:4> image (img1)
I get the same as when I use
octave-2.9.13:1> image
In other words, what's the 64x3 map for in default.img?
Henry


on 8/10/07 11:31 AM, Søren Hauberg at address@hidden wrote:

> John W. Eaton skrev:
>> On 10-Aug-2007, Henry F. Mollet wrote:
>> 
>> | Minor item and debating if I should even post this
>> | but the "default.img" according to
>> | ## Load Bobbie Jo Richardson (Born 3/16/94)
>> | needed in image.m (see code below)
>> | is not available in octave-2.9.13 whereas it was available in
>> Octave-2.1.71.
>> | Therefore using "image" at octave prompt will not work in octave-2.9.13.
>> | 
>> | However, I'm not sure why providing a default image should be helpful when
>> | using image.m and if it were not better if a warning were given that the
>> use
>> | of image.m requires at least one argument as per
>> | octave-2.9.13:15> help image
>> |  -- Function File:  image (IMG)
>> 
>> The original author of the image function did this for fun.
> Ahhh, this is actually one of my favourite Octave features. I do quite a
> bit of image processing in Octave, and I've often been in need of some
> random image for some quick testing. Having one integrated with Octave
> saves me from remembering the file names of the images I have on disc.
> But more importantly, that image highlights the fact that Octave is
> written by "Real People (TM)". When I see the image of Bobbie Jo I
> quickly remember to be thankful to all the contributors to Octave. So,
> that image helps to bring some personality to Octave. And Matlab can't
> compete with that :-)
> 
> Søren





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