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The linear value for a particular channel number can be calculated using:
10 to the power Channel number/number of channels per log decade.
eg channel 512 of a 4 decade 1023 channel scale = 10^512/256 = 10^2 = 100.
This can also be done in reverse to calculate channel number from a
linear value. In this case use:
log(Linear value) x channels per decade.
Hope this is of some help.
Derek
Derek Davies
FACS Lab
Imperial Cancer Research Fund,
London, UK
http://www.icnet.uk/axp/facs/davies/index.html
On Wed, 4 Sep 1996 john@rm101.demon.co.uk wrote:
>
> Hi all,
>
> Can anybody help in converting channel numbers from listmode data
> (i.e. 0 - 1023) to their correct 4 decade log value.
>
> Many thanks
>
>
> John
>
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CD-ROM Vol 3 was produced by Monica M. Shively and other staff at the
Purdue University Cytometry Laboratories and distributed free of charge
as an educational service to the cytometry community.
If you have any comments please direct them to
Dr. J. Paul Robinson, Professor & Director,
PUCL, Purdue University, West Lafayette, IN 47907.
Phone: (765)-494-0757;
FAX(765) 494-0517;
Web