{
    "Help": {
      "[en]": {
        "Domain::VolumeFile": "file full path to the volume file, file mst be in the uchar binary format",
        "Domain::Dim": "dimension of the data array stored in the volume file",
        "Domain::OriginType": "similar to --srcfrom0, 1 if the origin is [0 0 0], 0 if it is [1.0,1.0,1.0]",
        "Domain::Step": "do not change this, should be always be 1",
        "Domain::CacheBoxP0": "for cachebox mcx with -R negative_num, this specifies a 3D index for 
                               a corner of the cache region, in grid unit",
        "Domain::CacheBoxP1": "the other corner, the starting value of the indices is 1",
        "Domain::Media": "the first medium is always assigned to voxels with a value of 0 or outside of
                         the volume, the second row is for medium type 1, and so on. mua and mus must 
                         be in 1/mm unit",
        "Session::Photons": "if -n is not specified in the command line, this defines the total photon number",
        "Session::ID": "if -s is not specified in the command line, this defines the output file name stub",
        "Forward::T0": "the start time of the simulation, in seconds",
        "Forward::T1": "the end time of the simulation, in seconds",
        "Forward::Dt": "the width of each time window, in seconds",
        "Optode::Source::Pos": "the grid position of the source, can be non-integers, in grid unit",
        "Optode::Detector::Pos": "the grid position of a detector, can be non-integers, in grid unit"
      }
    },
    "Domain": {
	"VolumeFile": "colin27_v3.bin",
        "Dim":    [181,217,181],
        "OriginType": 1,
        "Step":   [1.0,1.0,1.0],
        "Media": [
             {"mua": 0.00, "mus": 0.0, "g": 1.00, "n": 1.0},
             {"mua": 0.019, "mus": 7.8182, "g": 0.89, "n": 1.37},
             {"mua": 0.019, "mus": 7.8182, "g": 0.89, "n": 1.37},
             {"mua": 0.004, "mus": 0.009, "g": 0.89, "n": 1.37},
             {"mua": 0.02, "mus": 9.0, "g": 0.89, "n": 1.37},
             {"mua": 0.08, "mus": 40.9, "g": 0.84, "n": 1.37},
             {"mua": 0.0,"mus": 0.0, "g": 1.0, "n": 1.0}
        ]
    },
    "Session": {
	"Photons":  10000000,
	"RNGSeed":  29012392,
	"ID":       "colin27"
    },
    "Forward": {
	"T0": 0.0e+00,
	"T1": 5.0e-09,
	"Dt": 2.0e-10
    },
    "Optode": {
	"Source": {
	    "Pos": [76,68.38, 168.5],
	    "Dir": [0.1636,    0.4569,   -0.8743]
	},
	"Detector": [
            {
                "Pos": [76,78.19,171.3],
                "R": 1.0
            },
	    {
		"Pos": [76,90,172.6],
		"R": 1.0
	    },
            {
                "Pos": [76,98.67,173.4],
                "R": 1.0
            },
            {
                "Pos": [76,103.4,173],
                "R": 1.0
            }
	]
    }
}
