Re: [ccp4bb] how to supply the following twin operator to detwin?

2010-02-03 Thread Ian Tickle
> -Original Message- > From: owner-ccp...@jiscmail.ac.uk [mailto:owner-ccp...@jiscmail.ac.uk] On > Behalf Of Pete > Sent: 02 February 2010 01:04 > To: CCP4BB@JISCMAIL.AC.UK > Subject: Re: how to supply the following twin operator to detwin? > > The determinant of the matrix is zero, so > i

Re: [ccp4bb] how to supply the following twin operator to detwin?

2010-02-01 Thread Pete
The determinant of the matrix is zero, so it can't be a twin operator

Re: [ccp4bb] how to supply the following twin operator to detwin?

2010-02-01 Thread Ian Tickle
Francis, I think the only format that detwin will accept is: -h/2+k/2-l, h/2-k/2-l, -h/2-k/2 i.e. '*'s are definitely not allowed. However the matrix that is generated contains only integer elements, so in fact it won't accept the '/'s either. Is this supposed to be a merohedral (or pseudo-mer

[ccp4bb] how to supply the following twin operator to detwin?

2010-02-01 Thread Francis E Reyes
Hi All I'm having trouble with the following ... title [No title given] operator -1/2*h+1/2*k-l, 1/2*h-1/2*k-l, -1/2*h-1/2*k labin I(+)=I_Unspecified(+) SIGI(+)=SIGI_Unspecified(+) I(-)=I_Unspecified(-) SIGI(-)=SIGI_Unspecified(-) end I keep getting symmetry operator error. Thanks FR -