Hi,

If you want the particle data itself into an array, you can access it using the sphere object like you would access a field. For instance,

sp = ds.sphere( ...

sp["all", "particle_velocity"]

would get you velocity of all of the particles. If you want to access these off of a ParticlePhasePlot, it's a subclass of PhasePlot and should have the .x and .y and [] attributes I mentioned earlier.

-Matt

On Tue, May 28, 2024 at 6:14 AM <hyf@stu.pku.edu.cn> wrote:

Dear Matthew,

Thanks for your help, and I can deal with the sphere object now.

But I donot know how to do these similar things with function "ParticlePhasePlot",
Or how to directly turn the particle data into np.array

can you give some suggestions, thanks a lot!

best wishes,
Yifeng He
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