Hi Jeff,

After integrate_trhough_volume, can you call:
streamlines.clean_streamlines()

In reading this function, I think it will fail since with it complaining about not having a .magnitudes, so perhaps first edit that function to take out the references to self.magnitudes? 

The reason I suggest this is that I don't see where in your script it goes through and cleans up the ones that left the domain.  

If that doesn't help, let me know and I'll dive further in to this.

Sorry for the hassle,
Sam



On Fri, Mar 7, 2014 at 1:34 PM, j s oishi <jsoishi@gmail.com> wrote:
Hi All (especially Sam),

I'm trying to understand some behavior in the streamlines that I don't completely understand. I've documented the problem in a notebook here:

https://hub.yt-project.org/nb/2tmwor

The notebook has a full statement of the problem. In essense, I'm not sure I understand why streams that I believe should terminate instantly upon launch (because they should walk directly out of the box) have thousands of elements in them (instead of one). I assume there are one or more misconceptions in my understanding, and I'd really welcome any suggestions. 

thanks,

Jeff

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