[yt-users] yt-3.0 question: find_field_value_at_point()

[nick moeckel]

Good deal, thanks for the guidance.
Nick
On Apr 4, 2013 4:51 PM, "Stephen Skory" <s at skory.us> wrote:

> Hi Nick,
>
> Sam is correct that porting over find_field_value_at_point should be
> pretty simple to get working, here's how I would do it:
>
> - use pf.h.find_points() to find the most-refined grid at your point(s).
> - use that grid's size (left edge/right edge/size) to figure out the
> index of the cell in the grid that contains your point(s), which is
> straightforward algebra.
> - use that index to select out the values from the field arrays
> (grid[field][index])
>
> This is basically how find_field_value_at_point works and you can look
> at that in 2.x as a guide. If you get it working, you are encouraged
> to issue a pull request for it!
>
> Good luck!
>
> On Thu, Apr 4, 2013 at 8:45 AM, Sam Skillman <samskillman at gmail.com>
> wrote:
> > Hi Nick,
> >
> > There's actually a current issue on the issue tracker for this:
> >
> https://bitbucket.org/yt_analysis/yt/issue/499/missing-hierarchy-functions
> >
> > They should be pretty simple to port over to 3.0, but I'm not sure when
> I'll
> > be able to get to it.  Perhaps someone else more familiar with 3.0 could
> > give it a shot.
> >
> > Sam
> >
> >
> > On Thu, Apr 4, 2013 at 8:30 AM, nick moeckel <nickolas1 at gmail.com>
> wrote:
> >>
> >> Hi there,
> >>
> >> I've been working with yt-3.0 and Ramses over the past few days. One
> thing
> >> that seems to not be working (or rather, to not be existing) is
> >> pf.h.find_field_value_at_point()
> >>
> >> I'm not sure if this is a problem or a design choice for 3.0- if the
> >> latter, is there a new way to do the same thing?
> >>
> >> best,
> >> Nick
> >>
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> >
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>
>
> --
> Stephen Skory
> s at skory.us
> http://stephenskory.com/
> 510.621.3687 (google voice)
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