On Wed, Jul 2, 2008 at 2:53 PM, Brent Pedersen <[EMAIL PROTECTED]> wrote:
> hi, for pylab.plot, i am able to get the transform like this:
>
> import pylab
> xs = [0, 999]
> ys = [10, 555]
>
> f, = pylab.plot(xs, ys)
> t = f.get_transform()
> print t.transform(zip(xs, ys))
>
>
> how can i do that for a pylab.scatter? this:
>
> s = pylab.scatter(xs, ys)
> print s.get_transform().transform(zip(xs, ys))
>
> simply prints the original x,y coordinates unaltered. the only way i'm
> able to do this, is to plot() the points, get the transform t,
> scatter() the points, and
> then set the transform. how can i get the transform directly?
>
> thanks,
> -brentp
>
as it goes, i figured this out after sending. the code below does the trick.
but i'm not sure why i have to manually set the transform.
s = pylab.scatter(xs, ys)
s.set_transform(s.axes.transData)
print s.get_transform().transform(zip(xs,ys))
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