Re: [Matplotlib-users] how to use transforms to rotate and shift a group of objects

[Benjamin R. <ben...@ou...>]

Have you read through the transformation tutorial?
http://matplotlib.org/users/transforms_tutorial.html

There is a section on how to do a shadow transformation that might be
helpful. Obviously, you wouldn't need to create the second artist, but it
does show how to customize the transform on a per-artist basis.

Others might be able to provide better insight on whether or not there are
easier ways to do what you want.

Cheers!
Ben Root



On Wed, Jul 16, 2014 at 10:11 AM, Dr. Johannes Zellner <joh...@ze...
> wrote:

> Hi,
>
> I'd like to plot several objects which are defined in coordinate systems
> which are local to each object in a common plot.
> The objects (and the corresponding local coordinate systems) are rotated
> and translated wrt. a global reference point.
>
> I tried something like
>
> r = matplotlib.transforms.Affine2D().rotate_deg(90)
> matplotlib.pyplot.plot(x, y, transform = r)
>
> but this didn't work.
>
> Additionally to matplotlib.pyplot.plot I use also
> matplotlib.patches.PathPatch, matplotlib.pyplot.plot to draw shapes and
> text.
>
> Any help on how to rotate (and shift) a whole assembly which contains
> eg. a matplotlib.patches.PathPatch and an annotation would be helpful.
>
> regards,
>
> --
> Johannes
>
>
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