Re: [Matplotlib-users] Navigation toolbar redraw button

[Gary R. <ga...@em...>]

Sounds awesomely powerful - not since the development of John Harrison's clocks will navigation have taken such a great step forward :-)

----- Original Message -----
From: John Hunter <jdh...@ac...>
Date: Sun, 16 Nov 2003 07:50:53 -0600
To: "Gary Ruben" <ga...@em...>
Subject: Re: [Matplotlib-users] Navigation toolbar redraw button

> >>>>> "Gary" == Gary Ruben <ga...@em...> writes:
> 
>     Gary> I think it's important to always have an easy way of zooming
>     Gary> out to show the full plot, so if you implement your saved
>     Gary> view idea and don't want to add a 'fit to full data' button,
>     Gary> I think having a 'fit to full data' checkpoint automatically
>     Gary> added is important. It might be even be worth looking into
>     Gary> cacheing the full view to speed its rendering. That way, you
>     Gary> could quickly navigate by zooming to full and then using a
>     Gary> rectangle zoom to your area of interest.
> 
> Combining my original thoughts with yours and Charles, then.  How
> about the following?  Allow the user to select the old style toolbar
> from a config file, but the new toolbar would
> 
>   1) lose all the left, right, up down buttons, in favor of a single
>      'hand' icon that allows you to move the view limits by 'grabbing
>      them in the axes and moving them around.  With x or y key pressed
>      the pan motion will be contained to the respective axis.  The
>      mouse button which activates this in the axes should be easily
>      configurable so as to not class with application developers.
> 
>   2) have a zoom in and zoom out button that work on both axis
>      symmetrically unless the 'x' or 'y' modifier keys are pressed in
>      which case work only on that axis.  Allow similar functionality
>      with the mouse in the axes, eg wheel mouse, as Charles suggested
>      or mouse-3 as vtk interactor windows use.  Then you could pan and
>      zoom in an axes without ever removing your mouse from the axes
>      lim.  
> 
>   3) have a zoom rectangle tool that allows you to zoom to a selected
>      rectangle, constrained to maintain axis ratio if CTRL is pressed
> 
>   4) have a zoom to data button that changes viewlim to incorporate
>      entire dataset
> 
>   5) use the 'views' navigation with forward / mark / and back buttons
>      that allows you to navigate between views
> 
>   6) lose the redraw button, obsolete
> 
>   7) have a savefig button which allows you to set the dpi, filename
>      and backend, so you can output with ps, gd, or gtk backend
> 
>   8) close window unchanged.
> 
> Further comments?
> 
> JDH

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