I'm not sure what you mean by "can't work on my canvas".  Can you 
provide a small code sample that shows it not working?

Cheers,
Mike

sunzen w. wrote:
> I'm sad to see that there is no answer to my question over these days.
> Active development of matplotlib needs a lot of users.
> 
> On Oct 31, 2007 11:17 AM, sunzen w. < [EMAIL PROTECTED] 
> <mailto:[EMAIL PROTECTED]>> wrote:
> 
>     The question is: how to enable panning/zooming operation to be
>     constrained to the x axis or y axis?
> 
>     The Tutorial says,
>     [about Pam Mode] If you press 'x' or 'y' while panning, the motion
>     will be contrained to the x or y axis, respectively
>     [about Zoom Mode] You can use the modifier keys 'x', 'y' or
>     'CONTROL' to constrain the zoom to the x axes, the y axes, or aspect
>     ratio preserve, respectively.
> 
>     I find it really works for some examples, such as stock_demo.py.
>     However, it currently can't work on my canvas.
>     Is there any special setting so as to enable the functionality?
> 
> 
>     Thanks for your guidance in advance.
> 
>     -- 
>     sunzen
>     <<freedom & enjoyment>>
> 
> 
> -- 
> sunzen
> <<freedom & enjoyment>>
> 
> 
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-- 
Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA

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