/*******************************************************************************
*         McStas instrument definition URL=http://www.mcstas.org
*
* Instrument: test (rename also the example and DEFINE lines below)
*
* %Identification
* Written by: Your name (email)
* Date: Current Date
* Origin: Your institution
* Release: McStas CVS-080208
* 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 test(nrepeat=1000, radius=0.005)

/* 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 a neutron source !    */
/* Progress_bar is an Arm displaying simulation progress.               */
COMPONENT Origin = Progress_bar()
  AT (0,0,0) ABSOLUTE

COMPONENT virtual_out = Virtual_input(
    file = "mysource.dat", repeat_count = nrepeat)
  AT (0, 0, 0) RELATIVE Origin

SPLIT 10 COMPONENT sample = PowderN(
    reflections = "Fe.laz", radius = radius,
    yheight = 0.1, Vc = 23.55, sigma_abs = 2.56, sigma_inc = 0.4)
  AT (0, 0, 0.05) RELATIVE virtual_out

COMPONENT soller = Collimator_radial(
    xwidth = 0.01, yheight = 0.2, length = 0.3, divergence = 12,
    theta_min = 0, theta_max = 180, nchan = 70, radius = 0.6)
  AT (0, 0, 0) RELATIVE sample

COMPONENT BananaTheta = Monitor_nD(
    options = "banana, theta limits=[5,180], bins=1750",
    yheight = 0.3, xwidth=2.4,filename="banana")
  AT (0, 0, 0) RELATIVE sample
/* 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