Arm/optical bench
Author: Kim Lefmann and Kristian Nielsen
Origin: Risoe
Date: September 2009
An arm does not actually do anything, it is just there to set up a new coordinate system.
Example: Arm()
Parameters in boldface are required; the others are optional.
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Component source code found in file Arm.comp.
The component Arm is empty; is resembles an optical bench and has no effect on the x-ray. The purpose of this component is only to provide a standard means of defining a local coordinate system within the instrument definition. Other components may then be positioned relative to the Arm component using the McXtrace meta-language. The use of Arm components in beamline definitions is not required but is recommended for clarity. Arm has no input parameters.
The first Arm instance in an instrument definition may be changed into a Progress_bar (sec. 9.1) component in order to display simulation progress on the fly, and possibly save intermediate results.