html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    // This sample uses 3rd party Proj4js JavaScript library to transform coordinates

    // See https://docs.anychart.com/Maps/Map_Projections to learn more.

​

    var firstDataSet = anychart.data.set([

        {points: [-27.50, 152.85, -34.14, 143.00], stroke: "#F44336"},

        {points: [-34.14, 143.00, -22.9, 121.52], stroke: "#F44336"}

    ]);

​

    var secondDataSet = anychart.data.set([

        {points: [-27.50, 152.85, -34.14, 143.00], stroke: "#2196F3"},

        {points: [-34.14, 143.00, -22.9, 121.52], stroke: "#2196F3"}

    ]);

​

    var map = anychart.map();

    map.geoData(anychart.maps.australia);

​

    var redSeries = map.connector(firstDataSet);

    var blueSeries = map.connector(secondDataSet);

​

    // Set negative curvature.

    redSeries.curvature(-0.4);

​

    // Set positive curvature.

    blueSeries.curvature(0.4);

​

    map.title("Set curvature parameter");

    map.container("container");

    map.draw();

});