source: sasview/docs/sphinx-docs/source/user/sasgui/perspectives/calculator/kiessig_calculator_help.rst @ 49148bb

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[49148bb]1.. kiessig_calculator_help.rst
2
3.. This is a port of the original SasView html help file to ReSTructured text
4.. by S King, ISIS, during SasView CodeCamp-III in Feb 2015.
5
6Kiessig Thickness Calculator Tool
7=================================
8
9Description
10-----------
11
12This tool is approximately estimates the thickness of a layer or the diameter
13of particles from the position of the Kiessig fringe/Bragg peak in NR/SAS data
14using the relation
15
16(thickness *or* size) = 2 * |pi| / (fringe_width *or* peak position)
17 
18.. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
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20Using the tool
21--------------
22
23To get a rough thickness or particle size, simply type the fringe or peak
24position (in units of 1/|Ang|\) and click on the *Compute* button.
25
26.. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
27
28.. note::  This help document was last changed by Steve King, 01May2015
29
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