On Mon, Dec 28, 2009 at 12:39 AM, Eric Firing <[email protected]> wrote:
> So, which way is better? I assume the change is an improvement, because
> the behavior with a list should be the same as with an ndarray.
>
I agree with you.
>
> We could split the recaching up into parts that can be done independently on
> x and y, and the part that has to be done when x and y are both set; this
> would permit the separate x and y parts to be done by set_xdata and
> set_ydata, which would freeze the data at that point, so that later changes
> to the original arrays' contents would not affect the plot. (This would
> also require forcing a copy instead of using asarray; this has a performance
> penalty, but perhaps a negligible one.)
This is similar to what I meant with option 1 in my previous post.
>
> Is it really worth fiddling with this, though? Unless there is a compelling
> reason to change it, I am inclined to leave the present behavior alone until
> the larger design is overhauled, so that unit-handling--which is the cause
> of most of the fuss--is clearly and uniformly confined to a single layer of
> the mpl stack.
>
I don't think I can make any compelling case here (I think this is
more like a design choice and not something that need to be fixed).
And I'm completely fine with leaving it as is.
Anyhow, how about adding some words about this behavior in set_data.
def set_data(self, *args):
"""
Set the x and y data.
ACCEPTS: 2D array (rows are x, y) or two 1D arrays
Note that a Line2D instatnce keeps a reference to the
input. If the input is mutable (.e.g, list, numpy array) and
its content changes after the set_data call, the plot may
reflect the changes. A following meth:`recache` call will
prevent it.
"""
Anyhow, the current code looks much cleaner than before,
Thanks.
-JJ
> Eric
>
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