OpenLayers展现tiff和矢量文件_openlayers tiff

作者：AllinToyou | 2024-05-22 08:42:02

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openlayers tiff

OpenLayers展现tiff和矢量文件

tiff文件展现效果图
在这里插入图片描述
矢量文件展现效果图

需要稍微改一下的我都备注了，话不多说，上代码；

<!doctype html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <link rel="stylesheet" href="./css/ol.css" type="text/css">
    <style>

    </style>
    <script src="./js/ol.js" type="text/javascript"></script>
    <title>OpenLayers map preview</title>
</head>

<body>
    <div id="map"></div>
    <script type="text/javascript">
        var pureCoverage = true;
        var format = 'image/png';
        var bounds = [140.17593383789062, 36.025543212890625,
            140.20614624023438, 36.04888916015625
        ]; //Geotiff的范围

        //地图
        // var tiled = new ol.layer.Tile({
        //   source: new ol.source.OSM()
        // });

        //地图图层
        var tiled = new ol.layer.Tile({
            opacity: 1,
            source: new ol.source.XYZ({
                url: "", //地图路径也可用ol官网上自带的地图图层，如上：
            }),
        });

        //Geotiff图层
        var untiled = new ol.layer.Image({
            opacity: 1,
            source: new ol.source.ImageWMS({
                ratio: 1,
                url: 'http://192.168.1.159:8080/geoserver/cite/wms', //Geoserver的wms地址，用户可以根据需求而改变
                params: {
                    'FORMAT': format,
                    'VERSION': '1.1.1',
                    "LAYERS": 'cite:JPN-4-Patriot-2089-0.48m-20190910', //图层名称，用户可以根据需求而改变
                    "exceptions": 'application/vnd.ogc.se_inimage',
                }
            })
        });

        //矢量图层加载
        var vector = new ol.layer.Vector({
            title: 'add Layer',
            source: new ol.source.Vector({
                projection: 'EPSG:4326',
                url: "./china.json", //GeoJSON的文件路径，用户可以根据需求而改变
                format: new ol.format.GeoJSON()
            }),
        });

        var projection = new ol.proj.Projection({
            code: 'EPSG:4326',
            units: 'degrees',
            axisOrientation: 'neu',
            global: true
        });

        var map = new ol.Map({
            target: 'map',
            layers: [
                tiled,
                untiled,
                vector,
            ],
            view: new ol.View({
                projection: projection
            })
        });
        map.getView().fit(bounds, map.getSize());
    </script>
</body>

</html>
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