Catima Caluclator

Catima Caluclator is a command line application and interface to the catime library.

Usage

The application is executed from the command line:

    catima_calculator config_file";

example

    catima_calculator c.json

Config File Format

The file must be a valid JSON formatted file.

The json file should contain the following keys: "projectile", "material", "energy"

projectile

The projectile keywords are:

array - 2 number array, 1st is mass number, 2nd is charge of the projectile

examples:

    "projectile":[11.997,6],

material

The material keyword is array of object for multi layer material, or single object defining the material. The material object must contain Z keyword defining proton number of the projectile or the compound material id. Optional material object keywords are:

Z - proton number or compunds id, mandatory
A - mass number of the material, if 0 or undefined elemental atomic weight is used
density - density in g/cm3, if 0 or undefined the tabulated density will be used.
thickness - material or layer thickness in g/cm2

energy

The energy keyword can be 1.a number specifying the kinetic energy:

    "energy":"500.0"

array of numbers for multiple energies:

    "energy":[100,200,500,1000]

Object specifying minimum energy, maximum energy and energy step, to calculate multiple energies:

    "energy":{
        "min": 100,
        "max": 1000,
        "step": 10
    }

instead of "step" key the "num" can be specified for integer number of steps between min and max energy.

config

The calculation configuration can be change using config keyword. If not specified default will be used. The config keyword is expected to be one of the strings

"atimav1.3" - for Atima v1.3 setting
"atimav1.4" - for Atima v1.4 setting

"config":"atimav1.4"

Example Files

{
"projectile":[11.99671, 6],
"energy": 1000,
"material":[{"A":12.0107,
            "Z":6,
            "thickness":1.0
            },
            {
            "A":55.845,
            "Z":26,
            "density":7.8,
            "thickness":0.05
            }
            ],
"config":"atimav1.4"
}

{
"projectile":[11.99671, 6],
"energy":{
    "min": 100,
    "max": 1000,
    "step": 100
    },
"material":[{"A":12.0107,
            "Z":6,
            "thickness":1.0
            },
            {
            "A":55.845,
            "Z":26,
            "density":7.8,
            "thickness":0.05
            }
            ]
}

{
"projectile":[11.99671, 6],
"energy":{
    "min": 100,
    "max": 1000,
    "step": 100
    },
"material":{"A":12,
            "Z":6,
            "density":2.0,
            "thickness":1.0
            }
}

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