[yt-svn] [yt_analysis/yt] Docs on low-level data inspection (issue #386)

[Sam Skillman]

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New issue 386: Docs on low-level data inspection
https://bitbucket.org/yt_analysis/yt/issue/386/docs-on-low-level-data-inspection

Sam Skillman:

Docs to the following questions should exist/be easy to find.  

"how do I find the value on the highest-level cell at position x,y,z?"
"what about the adjacent cells?"
"if I want to traverse along a straight line in some direction, spitting out cell values and dx's as I go, how do I do that?"

I think the first question points to a need for documentation of:
pf.h.find_field_value_at_point
or 
pf.h.find_point

The spatial stuff either needs documentation from the email exchange I (@samskillman) had with Elizabeth Tasker on the list a while back.


Responsible: samskillman
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