Many thanks for quick help!
I've just tried both options. Both works fine. Thanks!
Andrey
2010/12/16 Francesc Alted <fal...@pytables.org>
> A Thursday 16 December 2010 11:07:26 Andrey Sobolev escrigué:
> > Hi,
> >
> > it seems that modifyRows() method does not work. When I try to modify
> > a row I get an error:
> >
> > Object cannot be converted into a recarray object compliant with
> > table format '[('ADCcount', '()u2'), ('TDCcount', '()u1'),
> > ('energy', '()f8'), ('grid_i', '()i4'), ('grid_j', '()i4'),
> > ('idnumber', '()i8'), ('name', '()S16'), ('pressure', '()f4')]'. The
> > error was: <mismatch between the number of fields and the number of
> > arrays>
> >
> > (table from the example from the pytables "getting started" page)
> >
> > I do the modification using:
> >
> > row = table[1]
> > row['ADCcount'] = 250
> > table.modifyRows(1, rows=[row])
> >
> > So the dimensions are 100% the same!
> > The error is always present, with no dependency on number of columns
> > in table, column formats, etc. What can be is wrong?
> > The modifyCoordinates() gives the same error. So there's no way to
> > modify data in a table..
>
> Yeah, that's a deficiency in the way a NumPy void is treated, and that
> should be addressed. Added a ticket:
>
> http://pytables.org/trac/ticket/328
>
> Meanwhile, you can do what you want by adding an extra set of "[]"
> brackets:
>
> table.modifyRows(1, rows=[[row]])
>
> or, you can find the next idiom more readable:
>
> table[1] = [r]
>
> Thanks for reporting!
>
> --
> Francesc Alted
>
>
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