[yt-users] problem writing fits image

Nathan Goldbaum nathan12343 at gmail.com
Thu Jul 24 14:07:46 PDT 2014


Hi Juan,

Do you have astropy installed?  This error indicates that python was was
unable to import astropy when it imported yt.

-Nathan


On Thu, Jul 24, 2014 at 2:03 PM, Juan Camilo Ibanez Mejia <
jibanezmejia at amnh.org> wrote:

>  Dear yt users,
>
>  I was trying to generate a FITS file from one of my simulations but I
> obtained an error I
> do not understand and do not know how to solve. I followed the procedure
> in:
> http://yt-project.org/docs/dev-3.0/visualizing/writing_fits_images.html
> and in the moment I call *fib = FITSImageBuffer(cvg, fields=["density"])*
> I obtain the error:
>
>  ---------------------------------------------------------------------------AttributeError                            Traceback (most recent call last)<ipython-input-87-25a548a040e2> in <module>()----> 1 fib = FITSImageBuffer(cvg, fields=["density"])
> /home/jcibanezm/codes/yt30/yt-x86_64/src/yt-hg/yt/utilities/fits_image.pyc in __init__(self, data, fields, units, center, scale, wcs)    104                 mylog.info("Making a FITS image of field %s" % (key))    105                 if first:--> 106                     hdu = pyfits.PrimaryHDU(np.array(img_data[key]))    107                     first = False    108                 else:
> AttributeError: 'NoneType' object has no attribute 'PrimaryHDU'
>
>
>  Any idea how can I solve this ?
>
>  thanks in advance
>
>  Juan
>
>    _____________________________
> Juan Camilo Ibañez Mejia
> PhD candidate in physics
> Institute für Theoretische Astrophysik
> Heidelberg University
> jibanez at zah.uni-heidelberg.de
>
> Research Scholar
>  Department of Astrophysics
> American Museum of Natural History
> +1-212-313-7435
> jibanezmejia at amnh.org
> _____________________________
>
>
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>
>
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