Re: [COOT] Map sharpening

2014-06-03 Thread George Devaniranjan
Hi Pete, Thank you for your reply- Just to clarify what you wrote, you mean there is no direct relationship between the B factors I see in a PDB column and the sliding change I make it the map (MTZ) file I generated for the said PDB' Structure Factors ( I downloaded and created a MTZ from)? On

[COOT] Map sharpening

2014-06-02 Thread George Devaniranjan
Hi COOT users, I was looking at the COOT tutorial and saw the following explanation: *It can be educational (even useful at lower resolutions) to sharpen or blur a map. This can be achieved with the sharpening tool Calculate - Map Sharpening By default, the maximum and minimum sharpness is

[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 George Devaniranjan
features, that's a different kettle of fish. Dale Tronrud On 5/29/2014 2:20 PM, George Devaniranjan wrote: 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