我试图在静态图像上显示一些标记即
给定一个以英尺为单位的静态图像和脚部中的一组点,如何使用openlayers3在静态图像上标记一些图像或标记
据我所知,我们在openlayer3中有一个规定,即使用静态图像作为地图的基础层
我没有得到如何在静态图像(基础层)上显示标记给定图像上的某些图
任何帮助都会更加谢谢你请建议一场战争
我将静态图像显示为地图,如下所示
<!DOCTYPE html>
<html>
<head>
<title>Static image example</title>
<script src="https://code.jquery.com/jquery-1.11.2.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/ol3/3.6.0/ol.css" type="text/css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/ol3/3.6.0/ol.js"></script>
</head>
<body>
<div class="container-fluid">
<div class="row-fluid">
<div class="span12">
<div id="map" class="map"></div>
</div>
</div>
</div>
<script>
// Map views always need a projection. Here we just want to map image
// coordinates directly to map coordinates, so we create a projection that uses
// the image extent in pixels.
var extent = [0, 0, 1024, …寻找一种方法来计算用户动态绘制的多边形内的标记数量
下面的代码现在可以绘制多边形我想要显示多边形内部的标记数量(如果存在)
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<title>Simple Polygon</title>
<style>
html, body {
height: 100%;
margin: 0;
padding: 0;
}
#map {
height: 100%;
width: 100%;
}
</style>
</head>
<body>
<div id="map"></div>
<script type="text/javascript" src="https://maps.googleapis.com/maps/api/js?v=3.17&AIzaSyBLnIMoOLvgLaeIUEzLX3sIw0-FOXwXcag"> </script>
<script>
function initMap() {
var mapOptions={
center:{lat: 27.174977,lng:78.042064},
zoom: 8
};
var map15= new google.maps.Map(document.getElementById("map"),mapOptions);
var polygon= new google.maps.Polygon({
strokeColor: "#1E41AA",
strokeOpacity: 1.0,
strokeWeight: 3,
map: map15,
fillColor: "#2652F2",
fillOpacity: 0.6
});
var poly= polygon.getPath();
function addPolyPoints(e){
poly.push(e.latLng);
} …