Thanks, the clipping is working now. But as you say the weird line width
issue still remains for Agg (and png, perhaps that uses Agg, I don't
know...). PDF output looks correct.
On 20 March 2013 05:48, Jae-Joon Lee <lee.j.j...@gmail.com> wrote:
>
> On Wed, Mar 13, 2013 at 2:17 AM, Andrew Dawson <daw...@atm.ox.ac.uk>wrote:
>
>> You should see that the circle is no longer circular, and also there are
>> weird line width issues. What I want it basically exactly like the attached
>> without_clipping.png but with paths inside the circle removed.
>
>
> The reason that circle is no more circle is that simply inverting the
> vertices does not always results in a correctly inverted path.
> Instead of following line.
>
> interior.vertices = interior.vertices[::-1]
>
> You should use something like below.
>
> interior = mpath.Path(np.concatenate([interior.vertices[-2::-1],
> interior.vertices[-1:]]),
> interior.codes)
>
> It would be good if we have a method to invert a path.
>
> This will give you a circle. But the weird line width issue remains. This
> seems to be an Agg issue, and the line width seems to depend on the dpi.
> I guess @mdboom nay have some insight on this.
>
> Regards,
>
> -JJ
>
>
--
Dr Andrew Dawson
Atmospheric, Oceanic & Planetary Physics
Clarendon Laboratory
Parks Road
Oxford OX1 3PU, UK
Tel: +44 (0)1865 282438
Email: daw...@atm.ox.ac.uk
Web Site: http://www2.physics.ox.ac.uk/contacts/people/dawson
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