path simplify problem

Community matplotlib-users
1

I am seeing a problem with the path.simplify rcParam. When it is enabled, I see spikes in my plots appear and disappear when I resize the plotting window. When it is disabled, this does not happen. Attached are pictures showing the effect. In the first image, there is no spike at x=2559. In the second plot, I resized the window slightly and the spike appears.

Is this the expected behavior or is this a bug?

Thanks,
Lane

Screenshot-Figure 1.png

Screenshot-Figure 1-1.png

2

Is this with matplotlib 0.99.1.2, or SVN trunk? 0.99.1.2 has a known bug in the path simplification algorithm.

Mike

Lane Brooks wrote:

···

I am seeing a problem with the path.simplify rcParam. When it is enabled, I see spikes in my plots appear and disappear when I resize the plotting window. When it is disabled, this does not happen. Attached are pictures showing the effect. In the first image, there is no spike at x=2559. In the second plot, I resized the window slightly and the spike appears.

Is this the expected behavior or is this a bug?

Thanks,
Lane

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Michael Droettboom
Science Software Branch
Operations and Engineering Division
Space Telescope Science Institute
Operated by AURA for NASA

3

It is version 0.99.1.2.

···

On 05/11/2010 12:54 PM, Michael Droettboom wrote:

Is this with matplotlib 0.99.1.2, or SVN trunk? 0.99.1.2 has a known bug in the path simplification algorithm.

Mike

Lane Brooks wrote:

I am seeing a problem with the path.simplify rcParam. When it is enabled, I see spikes in my plots appear and disappear when I resize the plotting window. When it is disabled, this does not happen. Attached are pictures showing the effect. In the first image, there is no spike at x=2559. In the second plot, I resized the window slightly and the spike appears.

Is this the expected behavior or is this a bug?

Thanks,
Lane

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