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--- evaluation:extractgrainsizes [2021/04/21 10:42] – matthias
+++ evaluation:extractgrainsizes [2021/06/24 10:00] (current) – [2. Convert to absolute grain sizes] matthias
@@ Line 81: / Line 81: @@
 The explanation of the individual parameters is given in the help:
 <code>
-Insert help message here ...
+# Explanation of the parameters:
+grainsizelist:                          An output file from the "timelessExtractGrainSizes.py" script. Should be a regular text document
+-H & -V # beamsize_H and beamsize_V:    Horizontal and vertical dimension of the X-ray beam in $\mu$m. Necessary to calculate the illuminated sample volume.
+-r      # rotationrange:                Full rotation range used in the experiment in micrometer. Necessary to calculate the illuminated sample volume more accurately.
+-t      # samplethickness:              Thickness of the sample in micrometer. Necessary to calculate the illuminated sample volume.
+-i      # indexquality:                 Quality of the previous indexing process in percent. Used to account for the fact that not all grains were found during the indexing.
+-rad    # radius:                       Boolean operator that determines if grainsizelist consists of grain volumes or grain radii. True means volumes, False means radii.
+-hist   # histogram_bins:               Number of histogram bins you want to use. By default, no histogram is plotted.
+-prop   # proportion:                   Defines how much of the sample is your phase of interest. Can be between 0 and 1.
 </code>
@@ Line 95: / Line 103: @@
   * d = beamsize orthogonal to the rotation axis (usually horizontal)
   * h = gasket thickness
+For a graphical explanation, see the following sketch:
+{{:evaluation:illuminated_volume_new.png?400|}}
 A quick calculation example shows the difference: