[yt-users] can yt load file non-recursively?

[Yuxiang Qin]

Hi,

Thanks for your help.

Nathan, I am using OWLS, a Gadget format data.

Andrew, what do you mean by ‘add a field that has already been defined’? I am not defining a new field. Does it mean there is already a new field in my data? If so, why yt says it’s a new field since it’s already there? I am kind of confused about it.

Cheers,
Yuxiang

> On 22 Jan 2015, at 09:43, Nathan Goldbaum <nathan12343 at gmail.com> wrote:
> 
> Hi Yuxiang,
> 
> What simulation code produced these files?  Judging by the naming, I'd have to guess some flavor of gadget, but it's not clear based on your e-mail.
> 
> -Nathan
> 
> On Tue, Jan 20, 2015 at 4:29 PM, Yuxiang Qin <yuxiangq at student.unimelb.edu.au <mailto:yuxiangq at student.unimelb.edu.au>> wrote:
> Dear yt-users,
> 
> I have a tiny question about loading files.
> 
> I understand when yt load files, it will load all the files in the directory. For example: if I do ds=yt.load('snap_103.0.hdf5’), then ds.field_list , yt would open all the files:
> 
> snap_103.0.hdf5*   snap_103.16.hdf5*  snap_103.22.hdf5*  snap_103.29.hdf5*  snap_103.6.hdf5*
> snap_103.10.hdf5*  snap_103.17.hdf5*  snap_103.23.hdf5*  snap_103.2.hdf5*   snap_103.7.hdf5*
> snap_103.11.hdf5*  snap_103.18.hdf5*  snap_103.24.hdf5*  snap_103.30.hdf5*  snap_103.8.hdf5*
> snap_103.12.hdf5*  snap_103.19.hdf5*  snap_103.25.hdf5*  snap_103.31.hdf5*  snap_103.9.hdf5*
> snap_103.13.hdf5*  snap_103.1.hdf5*   snap_103.26.hdf5*  snap_103.3.hdf5*                   
> snap_103.14.hdf5*  snap_103.20.hdf5*  snap_103.27.hdf5*  snap_103.4.hdf5*                   
> snap_103.15.hdf5*  snap_103.21.hdf5*  snap_103.28.hdf5*  snap_103.5.hdf5*                   
>  
> However, if our data only has one file :snap_103.hdf5*, then if I do ds=yt.load('snap_103.hdf5’), then ds.field_list, yt would still try to open all the files from snap_103.0.hdf5, however there is no snap_103.0.hdf5. It would report error: 
> 
> IOError: Unable to open file (Unable to open file: name = '/lustre/projects/p071_swin/yqin/smaug/ref_eff_l010n0128/data/snapshot_102/snap_102.0.hdf5', errno = 2, error message = 'no such file or directory', flags = 0, o_flags = 0)                                                                           
> 
> Is there an argument saying I don’t want to do loading recursively? I can make a link named snap_103.0.hdf5 to snap_103.hdf5. But it’s kind of inconvenient.
> 
> Cheers,
> --
> Yuxiang Qin
> PhD Student
> School of Physics
> The University of Melbourne
> VIC, Australia, 3010
> 
> 
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