Re: [ccp4bb] What really happens in XDSCONV?

2014-02-16 Thread Harry
Hi Derek I strongly recommend comparing with pointless/aimless, *not* pointless/ scala (if you have the time!) Scala is obsolete and was superseded by Aimless several years ago (I think 2010, without checking...). I find that Aimless is not only much faster than Scala, but also scales bett

Re: [ccp4bb] What really happens in XDSCONV?

2014-02-16 Thread Derek Logan
Dear Kay, > Concerning usage of programs, everybody has his/her preferences, but what > could be simpler than a 2-liner XDSCONV.INP like > INPUT_FILE=XDS_ASCII.HKL > OUTPUT_FILE=temp.hkl CCP4 ! or CCP4_F or CCP4_I or SHELX or CNS > and then running XDSCONV by running "xdsconv"? At least there's

Re: [ccp4bb] What really happens in XDSCONV?

2014-02-15 Thread Kay Diederichs
On Sat, 15 Feb 2014 09:50:43 +, Kay Diederichs wrote: >pointless is a good program, and I also use it, to clarify: I use pointless for space group determination. I don't use it for producing multi-record MTZ files, since I use XDSCONV.

Re: [ccp4bb] What really happens in XDSCONV?

2014-02-15 Thread Kay Diederichs
On Fri, 14 Feb 2014 17:25:36 +, Derek Logan wrote: >Hi Tim, > >> I would actually recommend using pointless (or xprep) instead of >> xdsconv. It is much easier to use and maybe even less error prone. > >I take the point about pointless but XPREP is commercial software sold by >Bruker and co

Re: [ccp4bb] What really happens in XDSCONV?

2014-02-14 Thread Derek Logan
Hi Tim, > I would actually recommend using pointless (or xprep) instead of > xdsconv. It is much easier to use and maybe even less error prone. I take the point about pointless but XPREP is commercial software sold by Bruker and costs €700 (as I remember), so is not really an option for everyone

Re: [ccp4bb] What really happens in XDSCONV?

2014-02-14 Thread Tim Gruene
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Dear Derek, I would actually recommend using pointless (or xprep) instead of xdsconv. It is much easier to use and maybe even less error prone. All your quotes from the output are perfectly consistent. The first table tells you there are 190093 unmer

[ccp4bb] What really happens in XDSCONV?

2014-02-14 Thread Derek Logan
Hi, I am a long time user of XDS (20 years this year) but all the same I find that I have constant angst about losing observations because I don't understand what goes in in the conversion steps to get to CCP4 format. I used to believe that XSCALE was always necessary, and I always use it in my