There's something funny going on with line caps, maybe? It looks like the corners aren't getting capped in the same way as Agg does.

I've created screenshots of Jesse's pdf file in acrobat and evince.

Any thought, Jouni?

Cheers,
Mike

John Hunter wrote:
On Thu, Dec 11, 2008 at 11:16 PM, mtcoder <jberw...@gmail.com> wrote:

http://www.nabble.com/file/p20970084/testode.rk45.a0.99.eps1e-07.pdf
testode.rk45.a0.99.eps1e-07.pdf . This comes from a completely deterministic
ode. But is looks like I've added a tiny amount of noise.

On a technical note, I'm running Ubuntu 8.04, python2.5.1, matplotlib0.91.2
(with GTKAgg backend).

(Hopefully I didn't miss a similar question--and solution--elsewhere in the
forum.)

My guess is that you may be seeing the antialiasing of your pdf
renderer.  matplotlib has a pretty good antialiasing renderer for the
screen display (antigrain) but your mileage may vary for your pdf
renderer.  Since pdf is a vector output, we have no control over the
renderering.  What pdf viewer are you using?  The best way for us to
see what you are seeing is to take a PNG screenshot of your PDF file
displayed in your viewer and then post the PNG.  Ie, here is what I am
seeing in the Preview app: the fuzziness is from the antialiasing, but
I am used to seeing this.
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