[yt-users] cutting plane not working or changed behavior

[Nathan Goldbaum]

Hi Jonathan,

I'm not able to reproduce the behavior you're seeing with a test dataset
(e.g. see http://paste.yt-project.org/show/7080/, this uses a dataset from
yt-project.org/data).

Is there any chance you can share a dataset that triggers this?
Alternatively, can you reproduce this using one of the test datasets on
yt-project.org/data?

The yt curldrop might be useful to share a dataset that triggers the issue
you're seeing, see docs.hub.yt. If you're not comfortable sharing the
dataset publicly, feel free to share it with me off-list.

-Nathan

On Fri, Mar 10, 2017 at 12:02 PM, Slavin, Jonathan <jslavin at cfa.harvard.edu>
wrote:

> Hi all,
>
> I have some code that uses a cutting plane to create a non-axis aligned
> slice plot:
> ds = yt.load(file)
> ctr = YTArray([15.,15.,15.],'pc')
> cut = ds.cutting(normal=(1.,-1.,0.), center=ctr, north_vector=(0.,0.,1.))
> frb = cut.to_frb(width=(42.427,'pc'),height=(30.,'pc'),resolution=
> (512,724))
> image = frb['density']/2.126E-24
>
> I then view the image using the matplotlib imshow command.
> The data is a 30 pc**3 cartesian FLASH AMR dataset with maximum resolution
> of
> ​512**3.  I used this code to produce an image, which I have, so I know it
> used to work (last April).  Now however it does not seem to project in the
> same direction and seems to be shaped incorrectly with a top portion of the
> image filled with NaNs.  Has anyone else experienced this behavior?  I
> tried various things, for example reducing the resolution or switching the
> order of those values (that leads to a core dump!).  The goal here is to
> create a slice along the plane aligned with the z axis and 45 degrees away
> from the x and y axes (the data goes from 0 to 30 pc in each direction).
> Any help would be appreciated.​
>
> Jon
>
> --
> ________________________________________________________
> Jonathan D. Slavin                 Harvard-Smithsonian CfA
> jslavin at cfa.harvard.edu       60 Garden Street, MS 83
> phone: (617) 496-7981       Cambridge, MA 02138-1516
> cell: (781) 363-0035             USA
> ________________________________________________________
>
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