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1、Feature选取之选中样式
- <!doctype html>
- <html xmlns=http://www.w3.org/1999/xhtml>
- <head>
- <meta http-equiv=Content-Type content="text/html;charset=utf-8">
- <meta http-equiv=X-UA-Compatible content="IE=edge,chrome=1">
- <meta content=always name=referrer>
- <title>修改矢量地图</title>
- <link href="css/ol.css" rel="stylesheet" type="text/css" />
- <script type="text/javascript" src="js/ol.js" charset="utf-8"></script>
- </head>
-
- <body>
- <div id="map2" style="width: 100%"></div>
- <script type="text/javascript">
- var layer2 = new ol.layer.Vector({
- source: new ol.source.Vector(),
- // 注意:把feature上的style,直接移到layer上,避免直接在feature上设置style
- style: new ol.style.Style({
- image: new ol.style.Circle({
- radius: 10,
- fill: new ol.style.Fill({
- color: 'red'
- })
- })
- })
- });
- var map2 = new ol.Map({
- layers: [
- new ol.layer.Tile({
- source: new ol.source.OSM()
- }),
- layer2
- ],
- target: 'map2',
- view: new ol.View({
- center: ol.proj.transform(
- [104, 30], 'EPSG:4326', 'EPSG:3857'),
- zoom: 10
- })
- });
-
- // 在地图上添加一个圆
- var circle2 = new ol.Feature({
- geometry: new ol.geom.Point(ol.proj.transform(
- [104, 30], 'EPSG:4326', 'EPSG:3857'))
- })
- // 此处不再为feature设置style
- layer2.getSource().addFeature(circle2);
-
- // 添加一个用于选择Feature的交互方式
- map2.addInteraction(new ol.interaction.Select({
- // 设置选中后的style
- style: new ol.style.Style({
- image: new ol.style.Circle({
- radius: 10,
- fill: new ol.style.Fill({
- color: 'blue'
- })
- })
- })
- }));
- </script>
- </body>
-
- </html>
-
大家可以自己运行看一下效果!
2、Feature选取之条件过滤
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