How can the AmCharts line on a map chart be animated?

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There are several ways to animate the AmCharts line on a map chart:

1. Use the animateMapLine() function: This function can be used to animate the line by drawing it progressively on the map.

2. Use the animate() function: This function can be used to animate any element on the chart, including the line. You can specify the duration and easing function of the animation.

3. Use CSS animations: You can use CSS animations to animate the line by applying animation properties to the line's SVG path element.

Here's an example of using the animateMapLine() function:

var lineSeries = chart.series.push(new am4maps.MapLineSeries());
var line = lineSeries.mapLines.push(new am4maps.MapLine());
line.geoLine = geoLine;
lineSeries.interpolationDuration = 2000;
lineSeries.interpolationEasing = am4core.ease.sinInOut;
lineSeries.animateMapLine(line);

This code animates the line by drawing it progressively on the map over a duration of 2 seconds, using a sine easing function.