P2022036_ExportMap.git

			@@ -131,6 +131,7 @@
			<Content Include="TerraBuilder\tb.js" />
			<Content Include="TerraBuilder\template.js" />
			<Content Include="TerraBuilder\è¯´æ.txt" />
			<Content Include="turf.html" />
			<Content Include="UE.html" />
			<Content Include="up.html" />
			<Content Include="Web.config">

¶Ô±ÈÐÂÎÄ¼þ
			@@ -0,0 +1,42 @@
			ï»¿<!DOCTYPE>
			<html>
			<head>
			<title>Turf.js</title>
			<meta http-equiv="Expires" content="0" />
			<meta http-equiv="Cache" content="no-cache" />
			<meta http-equiv="Pragma" content="no-cache" />
			<meta http-equiv="Cache-control" content="no-cache" />
			<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" />
			<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
			<meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0;" name="viewport" />
			<script src="js/turf.min.6.5.js"></script>
			<script>
			function pointsToPolygon(str) {
			var arr = eval(str);

			var points = [];
			for (var i = 0, c = arr.length; i < c; i += 2) {
			var p = turf.point([arr[i], arr[i + 1]]);
			points.push(p);
			}

			var fc = turf.featureCollection(points);
			var hull = turf.convex(fc);
			var area = turf.area(hull);

			return area.toFixed(2);
			}

			window.onload = function () {
			var str = "[113.23063216099904,31.21983148200005,113.23061312499972,31.219450768000044,113.23060360699967,31.21910812599997,113.2305679149997,31.218752397000046,113.23055006899986,31.21841570199999,113.230526275,31.218007625000023,113.23050485999988,31.217670932000015,113.23047154600006,31.21738182700004]";

			var rs = pointsToPolygon(str);
			console.log(rs)
			document.write(rs);
			}
			</script>
			</head>
			<body>

			</body>
			</html>