Why is my custom spectrum file not working?

[bdnkth]

Hi,

I'm trying to runs some simulations with the spectrum of our xray source. However, I'm running into this error:
EGS_BaseSpectrum::createSpectrum: error on line 2 in spectrum file /mnt/c/Users/Kath/EGSnrc/HEN_HOUSE/spectra/egsnrc/tungsten70.spectrum
EGS_BaseSimpleSource::EGS_BaseSimpleSource:
no spectrum was defined
createSource(parallel beam): the input is not sufficient to create a valid source
EGS_ObjectFactory::createObjects(): 1 errors occured while creating objects
EGS_ObjectFactory::createObjects(): an object with the name pencil_beam does not exist
EGS_Application::initSimulation(): source initialization failed
EGS_RandomGenerator::createRNG: no 'RNG definition' input
EGS_Application::initRNG(): using default RNG

I have my spectrum file attached as a plain txt since github does not support the spectrum files. Can anyone help me trying to fix this problem?
tungsten70.txt

[rtownson]

Remove the # on line 2, and then adjust the minimum energy of the first bin. Note that the energies on each line are the top edge of the energy bin.

Example:

Tungsten-70 custom spectrum
    71,0,1      
     1.0000e-03, 0.0000e+00
     2.0000e-03, 0.0000e+00
     3.0000e-03 0.0000e+00
     4.0000e-03 0.0000e+00
... etc...

[matheusrebe]

Hi everyone,

Actually, I don't have a problem, but I don't understand how the second line of this file works very well, and I can't find it in the core manual. Does the second line of the spectrum file need to be: number of lines, minimum energy, and normalization number? When I use the normalization number 2, does it represent the minimum energy on the list? In this case, would it be 1.0000e-03?! I am almost certain that this is the case, but I am not entirely confident in my understanding.

[ftessier]

The format is detailed on page 87 of the BEAMnrc manual. The last number is an integer to specify the "type" of spectrum, i.e., how the discrete values are to be understood (histogram, point spectrum, etc.)

[bdnkth]

Thanks, that has fixed my problem.