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/*******************************************************************************
* McXtrace instrument definition URL=http://www.mcxtrace.org
*
* Instrument: Test_Mask
*
* %Identification
* Written by: Erik B Knudsen (erkn@fysik.dtu.dk)
* Date: 12/03/2014
* Origin: DTU Physics
* Version: 0.2
* %INSTRUMENT_SITE: Tests_optics
*
* A unit test instrument of the Mask component
*
* %Description
* A non-divergent beam impinges on a masking image, with 2d-detectors up- and downstream
* of the mask.
*
* %Example: Test_Mask.instr invert=0 Detector: psd1_I=0.223645
* %Example: Test_Mask.instr invert=1 Detector: psd1_I=0.670667
*
* %Parameters
* invert: [] If nonzero the transparency/opacity sense of the masking image is reversed.
*
* %End
*******************************************************************************/
/* Change name of instrument and input parameters with default values */
DEFINE INSTRUMENT Test_Mask(invert=0)
/* The DECLARE section allows us to declare variables or small */
/* functions in C syntax. These may be used in the whole instrument. */
DECLARE
%{
char filename[255];
%}
USERVARS
%{
double maskpixel;
%}
/* The INITIALIZE section is executed when the simulation starts */
/* (C code). You may use them as component parameter values. */
INITIALIZE
%{
/*write a test mask to a temporary file*/
sprintf(filename,"Test_Mask_input_file.mask");
%}
/* Here comes the TRACE section, where the actual */
/* instrument is defined as a sequence of components. */
TRACE
/* The Arm() class component defines reference points and orientations */
/* in 3D space. Every component instance must have a unique name. Here, */
/* Origin is used. This Arm() component is set to define the origin of */
/* our global coordinate system (AT (0,0,0) ABSOLUTE). It may be used */
/* for further RELATIVE reference, Other useful keywords are : ROTATED */
/* EXTEND GROUP PREVIOUS. Also think about adding an xray source ! */
/* Progress_bar is an Arm displaying simulation progress. */
COMPONENT Origin = Progress_bar()
AT (0,0,0) ABSOLUTE
COMPONENT src = Source_div(
xwidth = 0.1, yheight = 0.1, focus_aw = 0, focus_ah = 0,
E0 = 12.5, dE = 10, gauss = 1, randomphase = 0, phase = 0)
AT (0, 0, 0) RELATIVE Origin
COMPONENT psd0 = PSD_monitor(
xwidth=.12, yheight=.12, nx=200, ny=200, filename="psd0", restore_xray=1)
AT(0,0,1) RELATIVE src
COMPONENT maske = Mask(
xwidth=0.1, yheight=0.1, invert=invert, mask=filename)
AT(0,0,1e-6) RELATIVE PREVIOUS
EXTEND
%{
maskpixel=maskval;
%}
COMPONENT psd1 = COPY(psd0) (filename="psd1")
AT(0,0,1e-6) RELATIVE PREVIOUS
/* This section is executed when the simulation ends (C code). Other */
/* optional sections are : SAVE */
FINALLY
%{
%}
/* The END token marks the instrument definition end */
END
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