Re: Non-linear axis data in imagesc

[Daniel Arteaga]

On 02/12/11 14:15, Ben Abbott wrote:
> On Dec 2, 2011, at 6:52 AM, Daniel Arteaga wrote:
>
> > Hi all,
> >
> > imagesc fails to display correctly non-linarly spaced axes. Instead it 
> > "invents" linear axis from the maximum value. See what I mean:
> >
> > x = logspace(0,5,20);
> > y = logspace(0,2,10);
> > A = rand(10,20);
> > imagesc(x,y,A);
> >
> > Is this a bug? Any workaround to get the correct behaviour?
> >
> > Tested using GNU Octave Version 3.4.2 under Ubuntu 11.10.
> >
> > Thank you,
> >
> > Daniel
>
> If you see (0,0) in the upper-left, then it is working as intended. Matlab 
> behaves this way as well.

Sorry, I was not meaning that. What I was meaning is that the axis 
labels do not correspond to the x vector defined above. The real axis 
should be logarithmic, but imagesc invents a linear axis.

Thank you,

Daniel