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I am new to google map api and I have a particular use case where I am having coordinates(latitude and longitude) of a moving person and I want to show it in map along with direction, So far, I have tried this
html file
<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<script type="text/javascript">
google.load("visualization", "1", {packages:["map"]});
google.setOnLoadCallback(drawMap);
function drawMap() {
var arr = [
['Lat', 'Lon','data'],
[12.938419, 77.62224, '0'],
[12.938494, 77.622377, '0'],
[12.938369, 77.622449, '0'],
[12.938345, 77.622521, '0'],
[12.938322, 77.622575, '0'],
[12.938346, 77.622631, '0'],
[12.938306, 77.622648, '0'],
[12.938299, 77.622695, '0'],
[12.938254, 77.622715, '0'],
[12.938242, 77.622761, '0'],
[12.938227, 77.622805, '0'],
[12.93819, 77.622792, '0'],
[12.938138, 77.622837, '0'],
[12.938129, 77.622887, '0'],
[12.938103, 77.622949, '0'],
[12.938066, 77.622989, '0'],
[12.938006, 77.622966, '0'],
[12.937933, 77.623001, '0'],
[12.937976, 77.623073, '0'],
[12.937954, 77.623128, '0'],
[12.937912, 77.623111, '0'],
[12.937882, 77.623034, '0'],
[12.937933, 77.623001, '0'],
[12.938006, 77.622966, '0'],
[12.937921, 77.62293, '0']
]
var data = google.visualization.arrayToDataTable(arr);
var map = new google.visualization.Map(document.getElementById('map_div'));
map.draw(data, {showTip: true, showLine: true, mapType: 'normal', useMapTypeControl:true, enableScrollWheel:true});
}
</script>
</head>
<body>
<div id="map_div" style="width: 800px; height: 600px"></div>
</body>
</html>
the output that I'm getting is
.
how can I show the direction in this code because in my real scenario I will have user coordinate only?
738
This can't be achieved by using the visualization-API, because you must be able to draw the arrows on the map(but you don't have access to the google.maps.Map-instance at all).
With the maps-JS-API it's not hard to implement, by using a IconSequence you may draw symbols on a PolyLine , e.g. an arrow(which will be rotated automatically into the right direction)
Demo: http://jsfiddle.net/doktormolle/V3gMT/
192
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