[yt-users] Make projections for uniform grid FLASH4 data

[Matthew Turk]

Hi Suoqing,

Could you try it with the ProjectionPlot call?  It should look like this:

p = ProjectionPlot(pf, "z", "Density")
p.save()

-Matt

On Tue, Aug 7, 2012 at 3:14 PM, Ji Suoqing <jisuoqing at gmail.com> wrote:
> Hi all,
>
> I'm trying to make projections for uniform grid FLASH4 data with the most updated YT, but there're errors when adding projections:
>
> yt : [WARNING  ] 2012-08-07 23:13:56,239 integer runtime parameter checkpointfilenumber overwrites a simulation scalar of the same name
> yt : [INFO     ] 2012-08-07 23:13:56,244 Parameters: current_time              = 0.0
> yt : [INFO     ] 2012-08-07 23:13:56,245 Parameters: domain_dimensions         = [512 256   1]
> yt : [INFO     ] 2012-08-07 23:13:56,245 Parameters: domain_left_edge          = [  1.50000000e+07  -6.55360000e+09   0.00000000e+00]
> yt : [INFO     ] 2012-08-07 23:13:56,245 Parameters: domain_right_edge         = [  2.62144000e+10   6.55360000e+09   1.74532925e-02]
> yt : [INFO     ] 2012-08-07 23:13:56,245 Parameters: cosmological_simulation   = 0.0
> yt : [INFO     ] 2012-08-07 23:13:56,587 Max Value is 2.46340e+06 at 38378027.3437500000000000 6400000.0000000000000000 0.5000000000000000 in grid FLASHGrid_0033 ([128 128   1]) at level 0 (1, 0, 0)
> yt : [INFO     ] 2012-08-07 23:13:56,587 Created plot collection with default plot-center = [13114700000.0, 0.0, 0.0087266462599716477]
> Traceback (most recent call last):
>   File "proj.py", line 18, in <module>
>     p1 = pc.add_projection(my_var, 2)
>   File "/aphelion/jisuoqing/yt-x86_64/src/yt-hg/yt/visualization/plot_collection.py", line 784, in add_projection
>     **field_parameters)
>   File "/aphelion/jisuoqing/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 1697, in __init__
>     self._initialize_source(source)
>   File "/aphelion/jisuoqing/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 1724, in _initialize_source
>     source = self.pf.h.all_data()
>   File "/aphelion/jisuoqing/yt-x86_64/src/yt-hg/yt/data_objects/hierarchy.py", line 188, in all_data
>     pf.domain_left_edge, pf.domain_right_edge)
>   File "/aphelion/jisuoqing/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 3221, in __init__
>     self._refresh_data()
>   File "/aphelion/jisuoqing/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 315, in _refresh_data
>     self.get_data()
>   File "/aphelion/jisuoqing/yt-x86_64/src/yt-hg/yt/data_objects/data_containers.py", line 2508, in get_data
>     raise YTNoDataInObjectError(self)
> yt.utilities.exceptions.YTNoDataInObjectError: The object requested has no data included in it.
>
>
> And another separated question: how can I add axis ticks onto projection or slice plot to show the spacial scale? I suspect there should exist some easy way, but I failed to find it.
>
> Thanks for your care!
>
> All best,
> Suoqing
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