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RE: [H5part] bounding boxes

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  • From: "Biddiscombe, John A." <biddisco AT>
  • To: Mark Howison <mhowison AT>, Achim Gsell <achim.gsell AT>
  • Cc: "h5part AT" <h5part AT>, Prabhat Prabhat <prabhat AT>
  • Subject: RE: [H5part] bounding boxes
  • Date: Thu, 2 Feb 2012 15:51:15 +0000
  • Accept-language: en-GB, de-CH, en-US
  • List-archive: <>
  • List-id: H5Part development and discussion <>

Thank Mark, I'm interested in using fastbit as well, but in this case since I
already know the BBoxes, I wondered if there was a standard way of using
them. I've begun integrating this into my vtkH5PartReader for paraview and in
one of the simulations, I will move the code into H5Part proper once it's
finished if you would like it.

It's only useful if each process was using a regular hyperslab of particles
(which we are).


-----Original Message-----
From: Mark Howison [mailto:mhowison AT]
Sent: 02 February 2012 16:25
To: Achim Gsell
Cc: Biddiscombe, John A.; h5part AT; Prabhat Prabhat
Subject: Re: [H5part] bounding boxes

Hi John, you can perform fast range queries on a H5Part data set by creating
a corresponding FastBit index. I'm cc'ing Prabhat who can provide you with
more information about a library developed at LBL to integrate FastBit
indices into H5Part files, although I don't know if it is publicly available.

On Feb 2, 2012, at 10:13 AM, Achim Gsell wrote:

> On Feb 2, 2012, at 3:21 PM, Biddiscombe, John A. wrote:
>> Does H5Part have any built in support for storing/querying/extracting
>> bounds of regions of particles.
> No. But filed an enhancement request in our tracker. We may implement it in
> a future release.
> Achim
> _______________________________________________
> H5Part mailing list
> H5Part AT

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