You'll need to use the yt master branch to use it, but we recently accepted a pull request which makes it possible to pass multiple points to annotate_marker:


There are instructions for how to run yt from a checkout of the git repository here:


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On Wed, Jan 16, 2019 at 2:33 PM Huanqing <hqchen@oddjob.uchicago.edu> wrote:

I want to overlie >100,000 points onto a plot. Using annotate_marker I have no issue with a small number of points, however if I want to plot more than 10,0000 points to overlie, it takes almost an hour to produce that plot. Here is the code I use:

for ipar in range(len(xpMpc)):

I wonder is there any way I can speed this up? 

Thank you very much,
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