[yt-users] gadget visualization

[Nathan Goldbaum]

Hi Desika,

No it's not.  The pixelization routines act on 3D structured data.  Raw
particle data (3D unstructured data) will not work.  In enzo, the same
thing will happen if I try to directly plot a particle dataset that hasn't
been interpolated somehow onto the mesh.

By the time the official yt-3.0 release happens, we will have simple
aliases set up so then one tries to plot a raw SPH particle field as if it
were a volumetric 3D dataset, it will 'just work'.

-Nathan


On Fri, Nov 15, 2013 at 10:19 AM, Desika Narayanan
<dnarayan at haverford.edu>wrote:

> Hey Team YT,
>
> I have a quick question about basic visualization with yt and gadget, with
> reference to the following simple script:
>
> http://paste.yt-project.org/show/4058/
>
> If I try to SlicePlot the snapshot, I get a series of errors which are
> copied below. Is it not possible to perform these sorts of plotting
> routines on the raw gadget data?  (as an addendum, if I project to an
> octree grid using yt, I am able to make slice and projection plots).
>
> Thanks,
> Desika
>
> Traceback (most recent call last):
>   File "gadget_slice.py", line 14, in <module>
>     slc = SlicePlot(pf,'z',('PartType0', 'Density'))
>   File
> "/Users/desika/yt-3.0/yt-x86_64/src/yt-hg/yt/visualization/plot_window.py",
> line 2148, in SlicePlot
>     return AxisAlignedSlicePlot(pf, normal, fields, *args, **kwargs)
>   File
> "/Users/desika/yt-3.0/yt-x86_64/src/yt-hg/yt/visualization/plot_window.py",
> line 1322, in __init__
>     fontsize=fontsize)
>   File
> "/Users/desika/yt-3.0/yt-x86_64/src/yt-hg/yt/visualization/plot_window.py",
> line 809, in __init__
>     PWViewer.__init__(self, *args, **kwargs)
>   File
> "/Users/desika/yt-3.0/yt-x86_64/src/yt-hg/yt/visualization/plot_window.py",
> line 620, in __init__
>     if setup: self._setup_plots()
>   File
> "/Users/desika/yt-3.0/yt-x86_64/src/yt-hg/yt/visualization/plot_window.py",
> line 915, in _setup_plots
>     image = self._frb[f]
>   File
> "/Users/desika/yt-3.0/yt-x86_64/src/yt-hg/yt/visualization/fixed_resolution.py",
> line 128, in __getitem__
>     self._period, int(self.periodic),
> _MPL.error: data is of incorrect type (wanted 1D float)
>
>
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