[COOT] truncate/modify a MTZ file

2014-05-29 Thread George Devaniranjan
Hi, This is really 2 questions, one related to the other coming from someone who is just starting to learn/use CCP4/COOT so this question might sound rather naive. Q1) I have a MTZ file and I want to generate a another MTZ from it but limited to the backbone atoms only. (Similar to FFT with

Re: [COOT] truncate/modify a MTZ file

2014-05-29 Thread Dale Tronrud
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, Your question is vague so I will try to guess what you want. First, an MTZ file is just a container for data in reciprocal space. It can contain intensities (merged or unmerged), amplitudes, sigmas, phases, figure-of-merits,

Re: [COOT] truncate/modify a MTZ file

2014-05-29 Thread George Devaniranjan
Thank you for your reply, Dale. Let me rephrase the question: Essentially I want to use COOT's Calculate--map sharpening but only use the backbone atoms in the process. On Thu, May 29, 2014 at 6:08 PM, Dale Tronrud de...@daletronrud.com wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1

Re: [COOT] truncate/modify a MTZ file

2014-05-29 Thread Dale Tronrud
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 And here is the problem. Coot sharpens maps. The process has nothing to do with atoms. I still don't understand the question. Dale On 5/29/2014 3:17 PM, George Devaniranjan wrote: Thank you for your reply, Dale. Let me rephrase the question:

Re: [COOT] truncate/modify a MTZ file

2014-05-29 Thread Nat Echols
On Thu, May 29, 2014 at 3:17 PM, George Devaniranjan devaniran...@gmail.com wrote: Thank you for your reply, Dale. Let me rephrase the question: Essentially I want to use COOT's Calculate--map sharpening but only use the backbone atoms in the process. Perhaps you want an omit map? In that

Re: [COOT] truncate/modify a MTZ file

2014-05-29 Thread Paul Emsley
On 30/05/14 00:17, George Devaniranjan wrote: Thank you for your reply, Dale. Let me rephrase the question: Essentially I want to use COOT's Calculate--map sharpening OK, so you know how to do that, I presume but only use the backbone atoms in the process. So mask out the other atoms: