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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"matplotlib eventplot not shows all the binary data for big number of events","articleBody":"\u003c!--To help us understand and resolve your issue, please fill out the form to the best of your ability.--\u003e\r\n\u003c!--You can feel free to delete the sections that do not apply.--\u003e\r\n\r\n### Bug report\r\n\r\n**Bug summary**\r\n\r\nI noticed that when using eventplot to plot a big number of events, the plot doesn't shows all the binary data available, and is needed to increase the `linelenghts` parameter to increase the number of lines in the plot.\r\n\r\n**Code for reproduction**\r\n```python\r\nimport matplotlib.pyplot as plt\r\nimport numpy as np\r\n\r\n#simulate some raster (is needed for the number of events to be high\r\n#I noticed missing lines for n_events \u003e 200)\r\ndata = [np.random.random(np.random.randint(10)) for i in range(500)]\r\nfig,axes = plt.subplots(2)\r\naxes[0].eventplot(data,linelength = 1)\r\naxes[1].eventplot(data,linelength = 2)\r\n```\r\n\r\n**Actual outcome**\r\n\r\n\u003c!--The output produced by the above code, which may be a screenshot, console output, etc.--\u003e\r\n\r\n![imagen](https://user-images.githubusercontent.com/37255375/118411780-a8399000-b66c-11eb-9360-61e8679adfdb.png)\r\n\r\n\r\n**Expected outcome**\r\nI would expect to have all the binary data plotted in the figure\r\n\u003c!--A description of the expected outcome from the code snippet--\u003e\r\n\u003c!--If this used to work in an earlier version of Matplotlib, please note the version it used to work on--\u003e\r\n\r\n**Matplotlib version**\r\n\u003c!--Please specify your platform and versions of the relevant libraries you are using:--\u003e\r\n  * Operating system:  Arch Linux\r\n  * Matplotlib version (`import matplotlib; print(matplotlib.__version__)`):  3.3.2\r\n  * Matplotlib backend (`print(matplotlib.get_backend())`):module://ipykernel.pylab.backend_inline\r\n  * Python version: 3.8.5\r\n\r\n\u003c!--Please tell us how you installed matplotlib and python e.g., from source, pip, conda--\u003e\r\n\u003c!--If you installed from conda, please specify which channel you used if not the default--\u003e\r\n\r\n","author":{"url":"https://github.com/lorenzgutierrez","@type":"Person","name":"lorenzgutierrez"},"datePublished":"2021-05-16T20:38:34.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":11},"url":"https://github.com/20243/matplotlib/issues/20243"}