John,

Very good--I will work on it this weekend.

Eric


> Eric, how about adding a helper method to matplotlib.transforms call
> "relative_to", something like
> 
>   trans = relative_to(artist, pointsx, pointsy)
> 
> you can get dpi from artist.figure.dpi to construct the right
> points->pixels offset.  Then you could do
> 
>   trans = relative_to(line, -5, 10)
>   ax.text(x, y, 'hi', transform=trans)
> 
> This may not be the perfect API, but it should give you the idea of
> providing a very simple interface to users to build these transforms
> for offsets.
> 
> JDH


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