{
    "grids": [
        {
            "name": "grid00",
            "x": "linspace:-5:-2.5:128",
            "y": "linspace:2.5:5:128",
            "dirS": "grid01",
            "dirN": "grid11",
            "dirE": "grid03",
            "dirW": "grid33"
        },
        {
            "name": "grid01",
            "x": "linspace:-5:-2.5:128",
            "y": "linspace:0:2.5:128",
            "dirS": "grid10",
            "dirN": "grid00",
            "dirE": "grid02",
            "dirW": "grid32"
        },
        {
            "name": "grid02",
            "x": "linspace:-2.5:0:128",
            "y": "linspace:0:2.5:128",
            "dirS": "grid13",
            "dirN": "grid03",
            "dirE": "grid31",
            "dirW": "grid01"
        },
        {
            "name": "grid03",
            "x": "linspace:-2.5:0:128",
            "y": "linspace:2.5:5:128",
            "dirS": "grid02",
            "dirN": "grid12",
            "dirE": "grid30",
            "dirW": "grid00"
        },
        {
            "name": "grid10",
            "x": "linspace:-5:-2.5:128",
            "y": "linspace:-2.5:0:128",
            "dirS": "grid11",
            "dirN": "grid01",
            "dirE": "grid13",
            "dirW": "grid23"
        },
        {
            "name": "grid11",
            "x": "linspace:-5:-2.5:128",
            "y": "linspace:-5:-2.5:128",
            "dirS": "grid00",
            "dirN": "grid10",
            "dirE": "grid12",
            "dirW": "grid22"
        },
        {
            "name": "grid12",
            "x": "linspace:-2.5:0:128",
            "y": "linspace:-5:-2.5:128",
            "dirS": "grid03",
            "dirN": "grid13",
            "dirE": "grid21",
            "dirW": "grid11"
        },
        {
            "name": "grid13",
            "x": "linspace:-2.5:0:128",
            "y": "linspace:-2.5:0:128",
            "dirS": "grid12",
            "dirN": "grid02",
            "dirE": "grid20",
            "dirW": "grid10"
        },
        {
            "name": "grid20",
            "x": "linspace:0:2.5:128",
            "y": "linspace:-2.5:0:128",
            "dirS": "grid21",
            "dirN": "grid31",
            "dirE": "grid23",
            "dirW": "grid13"
        },
        {
            "name": "grid21",
            "x": "linspace:0:2.5:128",
            "y": "linspace:-5:-2.5:128",
            "dirS": "grid30",
            "dirN": "grid20",
            "dirE": "grid22",
            "dirW": "grid12"
        },
        {
            "name": "grid22",
            "x": "linspace:2.5:5:128",
            "y": "linspace:-5:-2.5:128",
            "dirS": "grid33",
            "dirN": "grid23",
            "dirE": "grid11",
            "dirW": "grid21"
        },
        {
            "name": "grid23",
            "x": "linspace:2.5:5:128",
            "y": "linspace:-2.5:0:128",
            "dirS": "grid22",
            "dirN": "grid32",
            "dirE": "grid10",
            "dirW": "grid20"
        },
        {
            "name": "grid30",
            "x": "linspace:0:2.5:128",
            "y": "linspace:2.5:5:128",
            "dirS": "grid31",
            "dirN": "grid21",
            "dirE": "grid33",
            "dirW": "grid03"
        },
        {
            "name": "grid31",
            "x": "linspace:0:2.5:128",
            "y": "linspace:0:2.5:128",
            "dirS": "grid20",
            "dirN": "grid30",
            "dirE": "grid32",
            "dirW": "grid02"
        },
        {
            "name": "grid32",
            "x": "linspace:2.5:5:128",
            "y": "linspace:0:2.5:128",
            "dirS": "grid23",
            "dirN": "grid33",
            "dirE": "grid01",
            "dirW": "grid31"
        },
        {
            "name": "grid33",
            "x": "linspace:2.5:5:128",
            "y": "linspace:2.5:5:128",
            "dirS": "grid32",
            "dirN": "grid22",
            "dirE": "grid00",
            "dirW": "grid30"
        }
    ],
    "integration_time": 2.0,
    "vortex": {
        "x0": -1.0,
        "y0": 0.0,
        "mach": 0.5,
        "rstar": 0.5,
        "eps": 1.0
    }
}