Runtime Parameters Documentation for FLASH Release 4.7.1

physics/TreeRay
    useTreeRay [BOOLEAN] [FALSE]
        Whether TreeRay calculations should be performed.

physics/TreeRay/TreeRayMain
    tr_bhErrControl [STRING] ["erad_cell"]
        Valid Values: "erad_cell", "erad_tot", "mion_tot"

    tr_bhMaxDist [REAL] [1e99]
        Valid Values: Unconstrained

    tr_bhRayRadRes [REAL] [1.0]
        Valid Values: Unconstrained

    tr_bhRelErr [REAL] [0.01]
        Valid Values: Unconstrained

    tr_boundary_type [STRING] ["periodic"]
        Valid Values: Unconstrained

    tr_ilFinePix [INTEGER] [4]
        Valid Values: Unconstrained

    tr_ilNNS [INTEGER] [25]
        Valid Values: Unconstrained

    tr_ilNPhi [INTEGER] [50]
        Valid Values: Unconstrained

    tr_ilNR [INTEGER] [50]
        Valid Values: Unconstrained

    tr_ilNTheta [INTEGER] [25]
        Valid Values: Unconstrained

    tr_nSide [INTEGER] [1]
        Valid Values: Unconstrained

    useTreeRay [BOOLEAN] [TRUE]
        Whether TreeRay calculations should be performed.

physics/TreeRay/TreeRayMain/OpticalDepth
    tr_odCDTOIndex [REAL] [1.0]
        Valid Values: Unconstrained

    tr_odMaxDist [REAL] [1e99]
        Valid Values: Unconstrained