How can I align X axis tickers of all subplots in a figure?

[Ben Abbott]

On Jan 14, 2009, at 6:38 PM, Boris Ljevar wrote:

> Depending on the range of Y axis, X axis of different subplots can
> become shorter or longer, although the X axis is common for all  
> subplots
> and always has the fixed range.
>
> I shall try to illustrate the problem. Suppose two graphs shown below
> are plotted as subplots in a figure.
>
>    |          |          |          |
> 0.8 |----------------------------------
>    |          |          |          |
> 0.6 |----------------------------------
>    |          |          |          |
> 0.4 |----------------------------------
> ____|__________|__________|__________|_
>    |0         |1         |2         |3
>
>       |         |         |         |
> -10000 |-------------------------------
>       |         |         |         |
>       |         |         |         |
> -20000 |-------------------------------
>       |         |         |         |
>       |         |         |         |
> -30000 |-------------------------------
> _______|_________|_________|_________|_
>       |0        |1        |2        |3
>
>
> Please notice that in both graphs X axis has the same range 0-3.
> Please also notice that one axis is more compressed than the other.
>
> These two graphs are places in a single figure for easier viewing and
> comparison. However due to misalignment of the X axis the comparison  
> is
> difficult.
>
> Is there a way to align the X axis values?
>
> operating system: linux openSUSE 11.0
> octave version: 3.0.2-2.1 (i586)
> gnuplot version: 4.2.3-27.1 (i586)

This functionality is not yet available in a release. However, using  
the developer's sources the axes do line up properly.

Ben