Re: [ccp4bb] Thoughtful remark...

2019-02-01 Thread Bohdan Schneider
what is this discussion about? please, try to be reasonable Bohdan, structbio.org/bs On 2019-02-01 10:05, vincent Chaptal wrote: Hi Leo, are you asking the question from the point of view of the user, or from the beamline scientist allocating beamtime? different answers then! best Vincent On

Re: [ccp4bb] Thoughtful remark...

2019-02-01 Thread vincent Chaptal
Hi Leo, are you asking the question from the point of view of the user, or from the beamline scientist allocating beamtime? different answers then! best Vincent On 01/02/2019 09:42, CHAVAS Leonard wrote: Dear all I had one interesting comment today at the beamline, that I would like to share

Re: [ccp4bb] Thoughtful remark...

2019-02-01 Thread Elspeth Garman
graeme.win...@diamond.ac.uk Sent: 01 February 2019 08:48 To: CCP4BB@JISCMAIL.AC.UK Subject: Re: [ccp4bb] Thoughtful remark... Dear Leo, I would argue that not getting diffraction would indicate that the sample under study is not a crystal ;-) That way the two scenarios are the same - in neither

Re: [ccp4bb] Thoughtful remark...

2019-02-01 Thread Matthew Bowler
This is easy - a crystal not diffracting in the loop provides a datum - that crystal or object does not diffract.  No crystal in the loop provides no information on the system you are studying beyond the skill of the person fishing. Cheers, Matt, On 2/1/2019 9:48 AM, graeme.win...@diamond.ac

Re: [ccp4bb] Thoughtful remark...

2019-02-01 Thread graeme.win...@diamond.ac.uk
Dear Leo, I would argue that not getting diffraction would indicate that the sample under study is not a crystal ;-) That way the two scenarios are the same - in neither case do you have a crystal in the loop All the best Graeme > On 1 Feb 2019, at 08:42, CHAVAS Leonard > wrote: > > Dea

[ccp4bb] Thoughtful remark...

2019-02-01 Thread CHAVAS Leonard
Dear all I had one interesting comment today at the beamline, that I would like to share with you for your advice on how to answer this... Is it better to have no diffraction from a crystal you shoot, or to have no crystal in the loop? Hum, difficult one... Cheers, leo - Leonard Chavas - Sy