[yt-users] error when analyzing flash data

[Nathan Goldbaum]

Hi Cien,

Are you trying to open a particle file or a plot file?  Unfortunately particle files aren't supported yet.

If it is a plotfile, it's possible yt is having trouble parsing the runtime parameters for your dataset.  If you'd like to share your dataset with me, I'd be happy to try to figure out what's going wrong.

Best,
Nathan Goldbaum

On Mar 18, 2012, at 10:03 PM, Cien Shang wrote:

> Hello, all,
> 
> I am a rookie in yT, and am trying to analyze some FLASH data with yT. The data load process encountered an error which reads:
> 
> >>> from yt.mods import *
> >>>pf=load("flash_data")
> yt : [WARNING  ] 2012-03-18 21:39:56,039 Setting 1.0 in code units to be 1.0 cm
> yt : [WARNING  ] 2012-03-18 21:39:56,039 No time units.  Setting 1.0 = 1 second.
> yt : [INFO     ] 2012-03-18 21:39:56,039 Parameters: current_time              = 5.0538751323e+15
> yt : [ERROR    ] 2012-03-18 21:39:56,039 Missing domain_dimensions in parameter file definition!
> yt : [INFO     ] 2012-03-18 21:39:56,040 Parameters: domain_left_edge          = [ -3.08600000e+24  -3.08600000e+24  -3.08600000e+24]
> yt : [INFO     ] 2012-03-18 21:39:56,040 Parameters: domain_right_edge         = [  3.08600000e+24   3.08600000e+24   3.08600000e+24]
> yt : [INFO     ] 2012-03-18 21:39:56,040 Parameters: cosmological_simulation   = 0.0
> yt : [WARNING  ] 2012-03-18 21:39:56,040 Setting 1.0 in code units to be 1.0 cm
> yt : [WARNING  ] 2012-03-18 21:39:56,040 No time units.  Setting 1.0 = 1 second.
> 
> I guess to fix it, I'll have to insert the domain-dimensions into the file. but I am not sure how exactly to do it. i opened the file with IDL, and the data are 4 dimensional matrices, something like [16,16,16, 40**]. does anyone know what went wrong, and how i could fix it?
> 
> Your help will be greatly appreciated!
> 
> Many thanks,
> Cien
> 
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