[yt-users] Find clumps - callback

[Britton Smith]

I think you're missing an import of the clump_tools modules.
Add this:
import yt.extensions.clump_tools

That should do it.

Britton

On Thu, Nov 19, 2009 at 11:21 AM, Elizabeth Harper-Clark <
h-clark at cita.utoronto.ca> wrote:

> mmm, I seem to be having a problem:
>
> Traceback (most recent call last):
>   File "find_clumps.py", line 55, in <module>
>     all_clumps = clump_tools.return_all_clumps(master_clump)
> NameError: name 'clump_tools' is not defined
>
> python file attached. I tried clump_tool (no s) but that did not work.
>
> What am I doing wrong?
>
> libby
>
>
> 2009/11/13 David Collins <dcollins at physics.ucsd.edu>
>
>> Hi Libby (and everyone else)
>>
>>
>> I've added a new module called  yt.extensions.clump_tools to the
>> trunk.  This module has three functions that should make it easier to
>> visualize your clumps.
>>
>> So Britton's Clump attaches the clump hierarchy to whatever you call
>> find_clumps on.  This is somewhat like what Rosolowsky et al 2008 do
>> with their Dendrograms.  Two of these functions (return_all_clumps and
>> return_bottom_clumps) return flatten arrays of clumps from what
>> find_clumps does.  The third function in the module (clump_list_sort)
>> sorts the list for ease of plotting.
>>
>> So first you'll do something like
>> region = pf.h.sphere( radius = 0.1, center = [0.5]*3)
>> base = Clump(region, *args)
>> find_clumps(base, *args)
>>
>> base then has children, each of which then also have children, etc.
>> This second generation of children is more fun because you don't have
>> to feed them but you still get to buy them fun toys.
>>
>> To plot the entire hierarchy, you'd do something like this
>> all_clumps = clump_tools.return_all_clumps(base)
>> sorted = clump_tools.clump_list_sort(all_clumps)
>> p.modify["clumps"](sorted)
>>
>> If you only want to plot the single objects, more akin to what one
>> would find from CLUMPFIND, then use
>> clump_tools.return_bottom_clumps
>>
>> return_all_clumps also adds a number, parentnumber, and level to each
>> clump.
>>
>> There are two additional routines in the module, which are the
>> recursive functions.  Ignore them, just call the wrapper.
>>
>> Hope this helps!
>> d.
>>
>>
>> On Mon, Nov 9, 2009 at 11:44 AM, Elizabeth Harper-Clark
>> <h-clark at cita.utoronto.ca> wrote:
>> > Hi Guys,
>> >
>> > I am (trying) to use the find_clumps routine to identify clumps in my
>> data
>> > and I would then like to visualize it. How do I get the data from the
>> > find_clumps routine into the callback:  p.modify["clumps"]() so I can
>> put it
>> > on projections/slices? What should it then look like?
>> >
>> > Many thanks,
>> >
>> > Libby
>> >
>> > --
>> > Elizabeth Harper-Clark MA MSci
>> > PhD Candidate, Astrophysics, UofT
>> >
>> > www.astro.utoronto.ca/~h-clark<http://www.astro.utoronto.ca/%7Eh-clark>
>> > h-clark at cita.utoronto.ca
>> > AIM: edphc1
>> > MSN: edphc1 at hotmail.com
>> > Skype: eharperclark
>> > Office phone: 416-978-5759
>> >
>> > _______________________________________________
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>> >
>> >
>>
>>
>>
>> --
>> Sent from my Stone Tablet and carried by my Pterodactyl.
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>
>
>
> --
> Elizabeth Harper-Clark MA MSci
> PhD Candidate, Astrophysics, UofT
>
> www.astro.utoronto.ca/~h-clark <http://www.astro.utoronto.ca/%7Eh-clark>
> h-clark at cita.utoronto.ca
> AIM: edphc1
> MSN: edphc1 at hotmail.com
> Skype: eharperclark
> Office phone: 416-978-5759
>
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