:55
An: Schreuder, Herman /DE; CCP4BB@JISCMAIL.AC.UK
Betreff: [EXTERNAL] RE: [ccp4bb] AW: Re: [ccp4bb] Basic Crystallography/Imaging
Conundrum
"Quality of image" has a lot of parameters, including resolution, noise,
systematic errors, etc. I am not aware of a global "quality of imag
On 11/12/2017 6:48 AM, Kay Diederichs wrote:
> On Fri, 10 Nov 2017 14:04:26 -0800, Dale Tronrud
> wrote:
> ...
>>
>> My belief is that the fact that our spot intensities represent the
>> amplitude (squared) of a series of Sin waves is the result of the hard
>> work of people like Bob who give u
On Fri, 10 Nov 2017 14:04:26 -0800, Dale Tronrud wrote:
...
>
> My belief is that the fact that our spot intensities represent the
>amplitude (squared) of a series of Sin waves is the result of the hard
>work of people like Bob who give us monochromatic illumination.
>"Monochromatic" simply mean
On 11/10/2017 1:38 PM, Robert Sweet wrote:
> This has been a fascinating thread. Thanks.
>
> I will dip my oar in the water. Here are a couple of snippets.
>
>> Jacob: It was good of proto-crystallographers to invent diffraction as
>> a way to apply Fourier Series.
>
> and
>
>> Ethan: So here'
This has been a fascinating thread. Thanks.
I will dip my oar in the water. Here are a couple of snippets.
Jacob: It was good of proto-crystallographers to invent diffraction as a
way to apply Fourier Series.
and
Ethan: So here's the brain-teaser: Why does Nature use Fourier
transforms rat
>>My understanding is that EM people will routinely switch to diffraction mode
>>when they want accurate measurements. You lose the phase information but,
>>since EM lenses tend to have imperfections, you get better measurements of
>>the intensities.
Only to my knowledge in the case of crystal
herman.schreu...@sanofi.com]
> Sent: Friday, November 10, 2017 10:22 AM
> To: Keller, Jacob ; CCP4BB@JISCMAIL.AC.UK
> Subject: AW: [ccp4bb] AW: Re: [ccp4bb] Basic Crystallography/Imaging Conundrum
>
> At the bottom line, it is the quality of the image, not only the amount of
> pixels
t; crystallography-style modelling!
>
> Jacob Keller
>
>
>
> -Original Message-
> From: CCP4 bulletin board [mailto:CCP4BB@JISCMAIL.AC.UK] On Behalf Of Tristan
> Croll
> Sent: Friday, November 10, 2017 8:36 AM
> To: CCP4BB@JISCMAIL.AC.UK
> Subject: Re: [ccp4bb]
richt-
Von: CCP4 bulletin board [mailto:CCP4BB@JISCMAIL.AC.UK] Im Auftrag von Keller,
Jacob
Gesendet: Freitag, 10. November 2017 15:48
An: CCP4BB@JISCMAIL.AC.UK
Betreff: [EXTERNAL] Re: [ccp4bb] AW: Re: [ccp4bb] Basic Crystallography/Imaging
Conundrum
It seems, then, to be generally agreed
board [mailto:CCP4BB@JISCMAIL.AC.UK] Im Auftrag von Keller,
Jacob
Gesendet: Freitag, 10. November 2017 15:48
An: CCP4BB@JISCMAIL.AC.UK
Betreff: [EXTERNAL] Re: [ccp4bb] AW: Re: [ccp4bb] Basic Crystallography/Imaging
Conundrum
It seems, then, to be generally agreed that the conversion between voxels
CP4BB@JISCMAIL.AC.UK
Subject: Re: [ccp4bb] AW: Re: [ccp4bb] Basic Crystallography/Imaging Conundrum
Or a nice familiar 2D example: the Ramachandran plot with 7.5 degree binning,
as a grid (left) or with bicubic smoothing (right). Different visualisations of
the same data, but the right-hand image us
In line with Dale's suggestions, I would suggest that you reformat your voxel
map into the format of an electron density map and look at it with coot. I am
sure it will look much better and much more like the electron density we are
used to look at. Alternatively, you could display an bona fide
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