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[Yuan, Peng]

Hi,

I am a new user of McStas. I have a problem each time when using McStas to generate c code.

When I using:
 
mcstas curved_bender.instr

It says:

' in file 'curved_bender.instr', line 1.
parse error, expecting `"NXDICT"' or `"NXDICTFILE"' or `"TRACE"' at line 1.
Errors encountered during parse.

Would you please give me some advice?

Many advanced thanks.


The curved_bender.instr is like this:

DEFINE INSTRUMENT curved_bender()

TRACE
COMPONENT source = Source_flat(radius = 0.015, dist = 1,
  xw=0.024, yh=0.015, E0=8, dE=7)
 AT (0,0,0) ABSOLUTE

COMPONENT slit1 = Slit(xmin=-0.02, xmax=0.02,
                       ymin=-0.02, ymax=0.02)
  AT (0, 0, 2) RELATIVE source ROTATED (0, 0, 0) RELATIVE source

COMPONENT arm = Arm()
  AT (0, 0, 2) RELATIVE source ROTATED (0, 0, 0) RELATIVE source

COMPONENT bender = Bender(w=0.04, h=0.04, r=65, d=0, Win=0.046154,
                          k=10, R0a=1.0, Qca=0.022, alphaa=3.64, ma=3.5,Wa=0,
                                R0i=1.0, Qci=0.022, alphai=3.64, mi=3.5,Wi=0,
                                R0s=1.0, Qcs=0.022, alphas=3.64, ms=3.5,Ws=0,)
  AT (0,0,0) RELATIVE arm ROTATED (0, 0, 0) RELATIVE arm

COMPONENT slit2 = Slit(xmin=-0.02, xmax=0.02,
                       ymin=-0.02, ymax=0.02)
  AT (0, 0, 2.9989) RELATIVE arm ROTATED (0,-0.046154,0) relative arm

COMPONENT monitor = L_monitor(nchan=100, filename="cR65Ch10.wl", 
                              xmin=-0.1, xmax=0.1, ymin=-0.1, ymax=0.1,
                              Lmin=1, Lmax=15)
  AT (0,0,0) RELATIVE slit2 ROTATED (0, 0, 0) RELATIVE slit2
END
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