[yt-dev] Adding the GAMER code

[Hsi-Yu Schive]

Hi Matt and Jeff,

Thanks for the suggestions! I'll look into the FLASH reader and get back to you
if I have any question. I'm eagerly looking forward to using yt!

Sincerely,
Hsi-Yu

  ----- Original Message ----- 
  From: j s oishi 
  To: yt-dev at lists.spacepope.org 
  Sent: Wednesday, September 26, 2012 2:45 AM
  Subject: Re: [yt-dev] Adding the GAMER code


  Hi Hsi-Yu, 

  I don't have anything technical (or useful) to add, but I would like to also welcome you to yt. 

  Jeff

  On Sep 25, 2012 2:03 PM, "Matthew Turk" <matthewturk at gmail.com> wrote:

    Hi Hsi-Yu,

    First off, welcome to yt-dev!  I saw your email and was delighted to
    hear you'd like to add support for GAMER to yt.

    On Tue, Sep 25, 2012 at 4:56 AM, Hsi-Yu Schive <hyschive at ntu.edu.tw> wrote:
    > Dear all,
    >
    > Hi. My name is Hsi-Yu Schive. I'm the main developer of the GAMER code,
    > which is a GPU-accelerated AMR code for astrophysical simulations.
    > I'm very interested in adding support of GAMER in yt!
    > I appreciate if anyone has any suggestion about the best way to initialize
    > this work!
    >
    > The AMR implementation of GAMER is very similar to FLASH. The AMR hierarchy
    > is composed of cell blocks, and each of which has a fixed number of cells
    > (e.g., 8^3 cells per block).
    > An octree data structure is adopted to maintain the AMR hierarchy.
    >
    > I'll start with following the suggestions given in the "Adding Support for a
    > New Code"
    > section in the bitbucket yt page and also looking into the Enzo output
    > style.
    > Any suggestion/comment is more than welcome : )

    Awesome!

    First off -- *please* feel free to ask questions.  We're an
    eager-to-help bunch, and I'd like to make sure that the GAMER format
    addition goes without too much difficulty for you!  You can also feel
    free to stop by in IRC ( #yt on chat.freenode.org ) where a couple
    people are usually available.

    I would actually recommend starting with a different method -- the
    simplest reader is probably FLASH, which is very straightforward (and
    as you note, similar to the GAMER format.)  The "how to add a
    frontend" should be mostly up to date, but I went ahead and put into
    the yt/frontends/_skeleton directory the skeleton of a frontend, with
    comments, drawn from the FLASH frontend.  (This is why it took me a
    bit to write back.)  Basically what you need to do:

    1) Create a yt/frontends/gamer/ directory, and copy over everything
    except __config__.py from the _skeleton directory
    2) Rename all the items in the data_structures and fields.py to be
    GAMER instead of Skeleton
    3) Implement the routines necessary inside the various classes and .py files

    I hope that helps, but please do write back if you run into trouble --
    and if you'd like to share a dataset and have one of us write the
    frontend, that would also work!

    Great to hear from you,

    Matt

    >
    > Sincerely,
    > Hsi-Yu
    >
    >
    >
    >
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