{
    "fileFormatVersion": "1",
    "parameterSets": {
        "sigmoid-track-three-one-quarter-shift-one": {
            "bottom_surface": "rails",
            "conn_north": "1",
            "conn_south": "-1",
            "count": "1",
            "fraction": "0.75",
            "shift": "1",
            "tangent": "0",
            "top_surface": "rails"
        },
        "sigmoid-track-two-thirds-shift-one": {
            "bottom_surface": "rails",
            "conn_north": "1",
            "conn_south": "-1",
            "count": "1",
            "fraction": "0.66667",
            "shift": "1",
            "tangent": "0",
            "top_surface": "rails"
        },
        "sigmoid-track-one-half-shift-one-half": {
            "bottom_surface": "rails",
            "conn_north": "1",
            "conn_south": "-1",
            "count": "1",
            "fraction": "0.5",
            "shift": "0.5",
            "tangent": "0",
            "top_surface": "rails"
        },
        "sigmoid-track-three-one-quarter-shift-one-positive": {
            "bottom_surface": "rails",
            "conn_north": "1",
            "conn_south": "1",
            "count": "1",
            "fraction": "0.75",
            "shift": "1",
            "tangent": "0",
            "top_surface": "rails"
        },
        "sigmoid-track-two-thirds-shift-one-positive": {
            "bottom_surface": "rails",
            "conn_north": "1",
            "conn_south": "1",
            "count": "1",
            "fraction": "0.66667",
            "shift": "1",
            "tangent": "0",
            "top_surface": "rails"
        },
        "sigmoid-track-one-half-shift-one-half-positive": {
            "bottom_surface": "rails",
            "conn_north": "1",
            "conn_south": "1",
            "count": "1",
            "fraction": "0.5",
            "shift": "0.5",
            "tangent": "0",
            "top_surface": "rails"
        },
        "sigmoid-track-three-one-quarter-shift-one-negative": {
            "bottom_surface": "rails",
            "conn_north": "-1",
            "conn_south": "-1",
            "count": "1",
            "fraction": "0.75",
            "shift": "1",
            "tangent": "0",
            "top_surface": "rails"
        },
        "sigmoid-track-two-thirds-shift-one-negative": {
            "bottom_surface": "rails",
            "conn_north": "-1",
            "conn_south": "-1",
            "count": "1",
            "fraction": "0.66667",
            "shift": "1",
            "tangent": "0",
            "top_surface": "rails"
        },
        "sigmoid-track-one-half-shift-one-half-negative": {
            "bottom_surface": "rails",
            "conn_north": "1",
            "conn_south": "-1",
            "count": "1",
            "fraction": "0.5",
            "shift": "0.5",
            "tangent": "0",
            "top_surface": "rails"
        },
        "sigmoid-track-two-thirds-shift-one-25pct-grade-negative": {
            "bottom_surface": "rails",
            "conn_north": "-1",
            "conn_south": "-1",
            "count": "1",
            "fraction": "0.66667",
            "shift": "1",
            "tangent": "0.25",
            "top_surface": "rails"
        }
    }
}