plot issues [changeset for log format of axes]

[Ben Abbott]

On Jun 4, 2009, at 2:53 AM, Petr Mikulik wrote:

>>>>> b=logspace(1,10,24); a=repmat(b,10,1);
>>>>> imagesc(a); h=colorbar;
>>>>> set(h, 'YScale', 'log');
>>>>> There is just a visual difference: Matlab puts tic labels 10^0,  
>>>>> 10^1,
>>>>> 10^2, ... while gnuplot puts 1, 10, 100, ..., 100000, 1e+6, 1e 
>>>>> +7, ...
>>>>
>>>> I like the Matlab format as well. Presently, it is left to  
>>>> gnuplot to
>>>> handle
>>>> the formating.
>>>
>>> Please add the following gnuplot command if the terminal is  
>>> enhanced:
>>> set format cb "10^{%T}"
>>
>> My understanding is that Octave's color bar is just an instance of  
>> an axes
>> (meaning we don't use the gnuplot color-box, but create our own).
>>
>> Can an axes be formated in a similar way? ... if so, how?
>
> These commands are very similar:
> 	set format y "10^{%T}"
> or
> 	set format y2 "10^{%T}"
>
> ---
> Petr Mikulik

Petr / others,

For both colorbars as well as log/semilogy plots, this produces the  
proper result for me.

Please verify this works as expected for you as well.

Ben


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