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Re: [h5md-user] Variable-size particle groups
From: |
Olaf Lenz |
Subject: |
Re: [h5md-user] Variable-size particle groups |
Date: |
Tue, 29 May 2012 11:38:22 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120428 Thunderbird/12.0.1 |
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Hi!
I just remembered another issue that comes up with varying particle
numbers in a simulation: the particle identity. When a particle
disappears from the simulation, are all other particle data afterwards
shifted one down? In particular for visualization, this information is
crucial.
Therefore, in a simulation with varying particle number, it is probably
necessary to add some way to identify a particle in the array, e.g. by
adding another subgroup "particle_id[variable x N]" to the trajectory
group.
In general, standardizing such a subgroup might also be useful in
simulations with fixed particle numbers, e.g. for parallel IO, where the
particles are not always stored on the same CPU.
Olaf
- --
Dr. rer. nat. Olaf Lenz
Institut für Computerphysik, Pfaffenwaldring 27, D-70569 Stuttgart
Phone: +49-711-685-63607
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- [h5md-user] Variable-size particle groups, Peter Colberg, 2012/05/27
- Re: [h5md-user] Variable-size particle groups, Felix Höfling, 2012/05/29
- Re: [h5md-user] Variable-size particle groups, Olaf Lenz, 2012/05/29
- Re: [h5md-user] Variable-size particle groups, Olaf Lenz, 2012/05/29
- Re: [h5md-user] Variable-size particle groups, Peter Colberg, 2012/05/29
- Re: [h5md-user] Variable-size particle groups, Olaf Lenz, 2012/05/29
- Re: [h5md-user] Variable-size particle groups, Peter Colberg, 2012/05/29
- Re: [h5md-user] Variable-size particle groups, Olaf Lenz, 2012/05/29
- Re: [h5md-user] Variable-size particle groups, Peter Colberg, 2012/05/29
- Re: [h5md-user] Variable-size particle groups, Pierre de Buyl, 2012/05/29