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7.15 The Pol_tabled_field McStas Component
Magnetic field component.
Identification
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Author: Erik B Knudsen, Peter Christiansen and Peter Willendrup
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Origin: RISOE
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Date: July 2011
Description
Region with a tabled magnetic field read from file. The magnetic field is read from a text file where it is specified as a point cloud with N rows of 6 columns: x y z Bx By Bz the B field map is resampled with Stepx*Stepy*Stepz points. Use Stepx=Stepy=Stepz=0 to skip resampling and use the table as is. The regions itself may be either a 3D rectangular block, a cylinder with axis along y, or spherical. Interpolation is done between data-points.
Input parameters
Parameters in boldface are required; the others are optional.
|
Name |
Unit |
Description |
Default |
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|
xwidth |
m |
Width of opening. |
0 |
|
yheight |
m |
Height of opening. |
0 |
|
zdepth |
m |
Length of field. |
0 |
|
radius |
m |
Radius of field if it is cylindrical or spherical. |
0 |
|
filename |
str |
File where the magnetic field is tabulated. |
"bfield.dat" |
|
geometry |
str |
Name of an Object File Format (OFF) or PLY file for complex field-geometry. |
NULL |
|
interpol_method |
str |
Choice of interpolation method "kdtree" (default on CPU) / "regular" (default on GPU) |
"default" |
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Links
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Component source code found in file Pol_tabled_field.comp.
