/*******************************************************************************
*         McXtrace instrument definition URL=http://www.mcxtrace.org
*
* Instrument: test (rename also the example and DEFINE lines below)
*
* %Identification
* Written by: Your name (email)
* Date: Current Date
* Origin: Your institution
* Release: McXtrace 1.0
* Version: 0.2
* %INSTRUMENT_SITE: Institution_name_as_a_single word
*
* Instrument short description
*
* %Description
* Instrument longer description (type, elements, usage...)
*
* Example: mcrun test.instr <parameters=values>
*
* %Parameters
* Par1: [unit] Parameter1 description
*
* %Link
* A reference/HTML link for more information
*
* %End
*******************************************************************************/

/* Change name of instrument and input parameters with default values */
DEFINE INSTRUMENT ex2_Single_slit()

/* The DECLARE section allows us to declare variables or  small      */
/* functions in C syntax. These may be used in the whole instrument. */
DECLARE
%{
%}

/* The INITIALIZE section is executed when the simulation starts     */
/* (C code). You may use them as component parameter values.         */
INITIALIZE
%{
%}

/* 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 source=Source_pt(
    focus_xw=5e-6, focus_yh=1e-6, dist=1, lambda0=2.0, dE=0, gauss=1)
AT(0,0,0) RELATIVE Origin

COMPONENT s1 = Slit(
    xwidth=5e-6, yheight=1e-6, dist=1,
    focus_xw=200e-6,focus_yh=1e-6,
    focus_x0=0.0,focus_y0=0.0
)
AT(0,0,1) RELATIVE source
GROUP slits

COMPONENT psd0 = PSD_monitor_coh(
    yheight=1e-6, xwidth=200e-6, nx=501, ny=1, filename="psd0")
AT(0,0,2) RELATIVE source

/* 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