pynbody-users

Dear all, On several occasions over the last few years, people have requested Windows support for

Dear all, I'm writing to alert you to a significant bug in pynbody v2.0.0 (released Dec 2024)

Hi Andrew, Noted with thanks. That works. Regards, Eric Sent from my iPhone On 29 May 2025, at 21:27,

Sorry, I would probably need more context around what precisely you've done leading up to the

I'm afraid pynbody does not have a built-in halo finder, FoF or otherwise. You need to run an

Dear all, Pynbody version 2 now has 'release' status meaning it will be the default if you

Hi Andrew, Many thanks for your reply, and for the advice. And sorry for the typos in my previous

Hi Pynbody enthusiast, I'd like to calculate the Fourier amplitudes (m=0-6), not of the mass

There needs to be a reproducible example, yes! Either upload the data somewhere of your choosing or

I'm trying to export a velocity array from a RAMSES snap (and subsnap -- a pyn Cuboid)... I do:

Dear Kelly, Thanks for your kind words, this is always really nice to hear! If I understand you

OK I tried the environment thing and it didn't work. In the end I did a 'clean' uninstall

We are excited to announce that we are organising a conference on “Building Galaxies from Scratch:

Hi, I may be drowning in a glass of water here, as it were, but I have not been able to find out how

Hi Nolan I'm afraid I have my hands very full with other projects at the moment and can't

Apologies for the flurry of messages, group. I guess I set up this mailing list years ago. Google

Hi Nolan, I can't really say why it would have changed speed, sad to say, but the bottom line is

Hi Nick It's hard to guess at what's going on here. You'll need to spell out clearly what

PS there is also the option to make a 3d grid (pynbody.sph.to_3d_grid if I remember correctly) which

Yes this is a strange case. The rather hidden problem is that o1.dm is a transitory object that has

I see! Thanks for the details! I think for my use-case its fine to just extend the boxsize. I use

Hey Samuel, It would be most helpful if you could provide a code snippet which replicates the

Hi Samuel, A 3D profile divides the volume up into spherical shells binned by spherical radius r. A

I don't think AHF works with Ramses files, unfortunately. You'll probably need to use HOP,

Awesome! This is really helpful. This looks to be easily manipulable for my need! On Monday, November

Awesome! This worked flawlessly! Thank you so much! On Saturday, October 1, 2022 at 12:50:57 PM UTC-6

Dear Andrew, I confirm that the new version does solve the problem (as I mentioned in an earlier

Hi all, I'm writing out the particle potential to eg part_00001.out00001 (using the

Hi. h = s.halos() is unable to detect the halos from the ramses output, both with or without the

Hi. h = s.halos() is unable to detect the halos from the ramses output, both with or without the