Re: [ccp4bb] arp/warp in p22121: what to do in Pointless

2007-09-24 Thread George M. Sheldrick
Phil, For the record, the program XPREP - widely used by small molecule crystallographers but also useful for macromoleculess - always makes the conventional cell (in this example P 21 21 2) the default (i.e. what you get if you always hit Enter), and writes out new .hkl and .ins files in

Re: [ccp4bb] arp/warp in p22121: what to do in Pointless

2007-09-24 Thread Ian Tickle
Phil, It also affects centred monoclinic: to avoid some cases of beta 120 you have to use the I121 setting instead of C121 (and it is a conventional setting, see IT vol. A pp.126-7). For example the conventional (but non-standard) I121 setting: a=50 b=60 c=51 beta=90.2 would I think be

Re: [ccp4bb] arp/warp in p22121: what to do in Pointless

2007-09-24 Thread Winter, G (Graeme)
Hi Phil, Just in case anyone was used to the old default behaviour (and like to use the current version of Arp/wArp ;oD) could you ensure that there is an option which will allow the automatic reindexing to the old default setting? Thanks, Graeme From: