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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>基础矢量图形</title>
<style type="text/css">
body{
margin: 0;
overflow: hidden;
background: #fff;
}
#map{
position: relative;
height: 510px;
border:1px solid #3473b7;
}
#toolbar {
position: relative;
padding-top: 5px;
padding-bottom: 10px;
}
</style>
<link href='./css/bootstrap.min.css' rel='stylesheet' />
<link href='./css/bootstrap-responsive.min.css' rel='stylesheet' />
<script src = '../libs/SuperMap.Include.js'></script>
<script type="text/javascript">
var map,layer,pointVector,dataAdded=false,
host = document.location.toString().match(/file:\/\//) ? "http://localhost:8090" : 'http://' + document.location.host;
url = host + "/iserver/services/map-world/rest/maps/World";
function init()
{
map = new SuperMap.Map("map",{controls:[
new SuperMap.Control.Zoom() ,
new SuperMap.Control.Navigation() ,
new SuperMap.Control.LayerSwitcher()
]});
layer= new SuperMap.Layer.TiledDynamicRESTLayer("World", url, null,{maxResolution:"auto"});
layer.events.on({"layerInitialized":addLayer});
vector = new SuperMap.Layer.Vector("vector");
addData();
}
function addLayer(){
map.addLayers([layer,vector]);
//显示地图范围
map.setCenter(new SuperMap.LonLat(0, 0), 0);
}
function addData()
{
if(!dataAdded)
{
vector.removeAllFeatures();
//点对象
var point= new SuperMap.Geometry.Point(0,0);
var pointVector = new SuperMap.Feature.Vector(point);
pointVector.style={
fillColor:"red",
strokeColor:"yellow",
pointRadius:6
};
//线串几何对象
var points2=[
new SuperMap.Geometry.Point(0,29.4),
new SuperMap.Geometry.Point(-50,39.4),
new SuperMap.Geometry.Point(-30,19.4),
new SuperMap.Geometry.Point(100,49.4)
];
var line1 = new SuperMap.Geometry.LineString(points2);
var linecVector = new SuperMap.Feature.Vector(line1);
linecVector.style={
strokeColor:"#7B68EE",
strokeWidth:2
} ;
//几何对象线环类
var points1=[
new SuperMap.Geometry.Point(0,19.4),
new SuperMap.Geometry.Point(10,-20),
new SuperMap.Geometry.Point(14,-22),
new SuperMap.Geometry.Point(24,-5),
new SuperMap.Geometry.Point(34,15),
new SuperMap.Geometry.Point(45,25),
new SuperMap.Geometry.Point(50,29.4)
];
var line = new SuperMap.Geometry.LinearRing(points1);
var lineVector = new SuperMap.Feature.Vector(line);
lineVector.style={
strokeColor:"#C0FF3E",
fill:false,
strokeWidth:2
} ;
//创建多次贝塞尔曲线
var bezierPoint =[
new SuperMap.Geometry.Point(0,39.5),
new SuperMap.Geometry.Point(30,69.5),
new SuperMap.Geometry.Point(90,49.4),
new SuperMap.Geometry.Point(120,75.5),
new SuperMap.Geometry.Point(150,63.4),
new SuperMap.Geometry.Point(156,80.3)];
var bezier5= SuperMap.Geometry.LineString.createBezierN(bezierPoint,20) ;
var bezier5Vector = new SuperMap.Feature.Vector(bezier5);
bezier5Vector.style={
strokeWidth:3
};
//创建3次贝塞尔曲线
var points =[
new SuperMap.Geometry.Point(80,19.4),
new SuperMap.Geometry.Point(179,39.8),
new SuperMap.Geometry.Point(164,40) ,
new SuperMap.Geometry.Point(126,43.4)
] ;
var bezier3= SuperMap.Geometry.LineString.createBezier(points,5);
var bezier3Vector = new SuperMap.Feature.Vector(bezier3);
bezier3Vector.style={
strokeColor:"#1E90FF",
strokeWidth: 2
};
//创建2次贝塞尔曲线
var bezierpoints = [
new SuperMap.Geometry.Point(-80,20),
new SuperMap.Geometry.Point(-60,60),
new SuperMap.Geometry.Point(0,60)
];
var bezier2 = SuperMap.Geometry.LineString.createBezier2(bezierpoints, 20);
var bezierVector = new SuperMap.Feature.Vector(bezier2);
bezierVector.style={
strokeColor:"#9AFF9A",
strokeWidth: 3
};
//扇形
var origion = new SuperMap.Geometry.Point(20,-20);
var sides=30;
var cuvre= SuperMap.Geometry.Polygon.createRegularPolygonCurve(origion,50,sides,80,220);
var cuvreVector= new SuperMap.Feature.Vector(cuvre);
cuvreVector.style={
strokeColor:"#1E90FF",
fillColor:"#C6E2FF",
strokeWidth:2 ,
fillOpacity:0.5
};
//椭圆
var points=createEllipse(100,-10,50,25);
linearRings = new SuperMap.Geometry.LinearRing(points),
region = new SuperMap.Geometry.Polygon([linearRings]);
var ellipseVector= new SuperMap.Feature.Vector(region);
ellipseVector.style={
fillColor:"#B0E2FF",
strokeColor:"#C1FFC1",
fillOpacity:0.5
};
//六边形
var points2=[
new SuperMap.Geometry.Point(-120,54.142),
new SuperMap.Geometry.Point(-110,40),
new SuperMap.Geometry.Point(-120,25.857),
new SuperMap.Geometry.Point(-140,25.857),
new SuperMap.Geometry.Point(-150,40),
new SuperMap.Geometry.Point(-140,54.142)
],
linearRings = new SuperMap.Geometry.LinearRing(points2),
region = new SuperMap.Geometry.Polygon([linearRings]);
var polygonVector = new SuperMap.Feature.Vector(region);
// 矩形
var x = -70;
var y = -30;
var w = 40;
var h = 30;
var rectangle = new SuperMap.Geometry.Rectangle(x, y, w, h);
var rectangleVector = new SuperMap.Feature.Vector(rectangle);
//圆
var centerPoint=new SuperMap.Geometry.Point(-120,-50);
var circleP=createCircle(centerPoint,30,256,360,360);
var circleVector= new SuperMap.Feature.Vector(circleP);
circleVector.style={
strokeColor:"#CAFF70",
fillColor:"#C6E2FF",
strokeWidth:2 ,
fillOpacity:0.5
};
vector.addFeatures([pointVector,lineVector,bezier3Vector,bezierVector,bezier5Vector,cuvreVector,ellipseVector,polygonVector,rectangleVector,circleVector,linecVector]);
dataAdded=true;
} else{
alert("数据已加载。");
}
}
//函数的参数x,y为椭圆中心；a,b分别为椭圆横半轴
function createEllipse(x,y,a,b){
var step = (a > b) ? 1 / a : 1 / b,points=[];
//step是等于1除以长轴值a和b中的较大者
//i每次循环增加1/step，表示度数的增加
//这样可以使得每次循环所绘制的路径（弧线）接近1像素
for (var i = 0; i < 2 * Math.PI; i += step)
{
//参数方程为x = a * cos(i), y = b * sin(i)，
//参数为i，表示度数（弧度）
var point=new SuperMap.Geometry.Point(x+a*Math.cos(i),y+b*Math.sin(i));
points.push(point);
}
return points;
}
//圆
function createCircle(origin, radius, sides,r,angel){
var rR = r*Math.PI/(180*sides);
var rotatedAngle, x, y;
var points = [];
for(var i=0; i<sides; ++i) {
rotatedAngle = rR*i;
x = origin.x + (radius * Math.cos(rotatedAngle));
y = origin.y + (radius * Math.sin(rotatedAngle));
points.push(new SuperMap.Geometry.Point(x, y));
}
rotatedAngle = r*Math.PI/180;
x = origin.x + (radius * Math.cos(rotatedAngle));
y = origin.y + (radius * Math.sin(rotatedAngle));
points.push(new SuperMap.Geometry.Point(x, y));
var ring = new SuperMap.Geometry.LinearRing(points);
ring.rotate(parseFloat(angel),origin);
var geo = new SuperMap.Geometry.Collection([ring]);
geo.origin = origin;
geo.radius = radius;
geo.r = r;
geo.angel = angel;
geo.sides = sides;
geo.polygonType = "Curve";
return geo;
}
function removeData()
{ dataAdded =false;
vector.removeAllFeatures();
vector.refresh();
}
</script>
</head>
<body onload="init()" >
<div id="toolbar">
<input type="button" class="btn"value ="加载数据"onclick="addData()"/>
<input type="button" class="btn"value ="移除数据"onclick="removeData()"/>
</div>
<div id="map"></div>
</body>
</html>
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