Jane,
It's probably a bug triggered by thex extra dimension. I'll
investigate.
David
2008/11/28 Jane Buckle <[log in to unmask]>:
> Hi All,
>
> What is the difference in using NDF sections with kappa commands collapse
> and ndfcopy?
>
> If I run these two commands, I get different spatial sections of the cube:
>
> collapse in=file'(06:41:11.0~97,+09:55:55~33,)' out=test_col axis=3
> estimator=integ low=6.0 high=8.0 - this gives a 97x33 pixel image centred on
> ~ 06:41:11, 09:55:55
>
> ndfcopy file'(06:41:11.0~97,+09:55:55~33,6.0:8.0)' test - this gives
> a 97 x 33 x 5 cube, centred spatially on ~06:41:35, 09:54:00. 06:41:11,
> 09:55:55 is actually the co-ordinate of the top right corner.
>
> I had expected both of these cubes to have the same spatial co-ordinates,
> and ndf sections to work in the same way for all kappa commands. Can any
> enlighten me as to where I have gone wrong?
>
> Cheers,
>
> Jane
>
>
> --
>
> Dr Jane V. Buckle
> Astrophysics Group, Cavendish Lab, J J Thomson Avenue, Cambridge CB3 0HE
> Tel: +44 (0)1223 337298
>
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