Matplotlib 给出错误“OverflowError: In draw_path: Exceeded cell block limit"； [英] Matplotlib giving error "OverflowError: In draw_path: Exceeded cell block limit"

问题描述

我正在尝试使用具有 100000000 个数据点的 matplotlib 渲染图像，但它产生错误 OverflowError: In draw_path: Exceeded cell block limit.它可以绘制的数据点数量有限制吗?

I'm trying to render an image using matplotlib with 100000000 data points and it produces the error OverflowError: In draw_path: Exceeded cell block limit. Is there a limit in the amount of data points it can draw?

推荐答案

问题是后端Agg中点数的硬编码限制.

The problem is a hardcoded limit in the number of points in the backend Agg.

尝试使用:

将 matplotlib 导入为 mplmpl.rcParams ['agg.path.chunksize'] = 10000

或其他大值.

您可以在此处找到问题和建议的解决方案: https://github.com/matplotlib/matplotlib/issues/5907

You can find the issue and the solution proposed here: https://github.com/matplotlib/matplotlib/issues/5907

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