GIS工具maptalks开发手册(二)01-01之Geometry转化为GeoJSON——渲染点

1、html官方版

效果-点

在这里插入图片描述

html官方版本

DOCTYPE html>
<html>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>JSON序列化 - Geometry转化为GeoJSONtitle>
<style type="text/css">
    html,
    body {
        margin: 0px;
        height: 100%;
        width: 100%;
    }

    .container {
        width: 900px;
        height: 500px;
        margin: 50px;
    }

    #info {
        position: fixed;
        background-color: rgba(13, 13, 13, 0.5);
        padding: 10px 10px 10px 10px;
        font: 13px bold sans-serif;
        color: #fff;
        left: 0px;
        top: 0px;
        width: 100%;
        height: 70px;
        overflow: hidden
    }
style>
<link rel="stylesheet" href="https://unpkg.com/maptalks/dist/maptalks.css">
<script type="text/javascript" src="https://unpkg.com/maptalks/dist/maptalks.min.js">script>

<body>

    <div id="map" class="container">div>
    <div id="info">

    div>

    <script>
        var map = new maptalks.Map('map', {
            center: [-0.113049, 51.498568],
            zoom: 14,
            baseLayer: new maptalks.TileLayer('base', {
                urlTemplate: 'https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png',
                subdomains: ['a', 'b', 'c', 'd'],
                attribution: '© OpenStreetMap contributors, © CARTO'
            }),
            layers: [
                new maptalks.VectorLayer('v')
            ]
        });

        var marker = new maptalks.Marker([-0.113049, 51.498568], {
            'properties': {
                'name': 'point marker'
            }
        }).addTo(map.getLayer('v'));

        document.getElementById('info').innerHTML = JSON.stringify(marker.toGeoJSON());

    script>
body>

html>
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2、html改造版

效果

在这里插入图片描述

html改造版本

DOCTYPE html>
<html>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>JSON序列化 - Geometry转化为GeoJSONtitle>
<style type="text/css">
    html,
    body {
        margin: 0px;
        height: 100%;
        width: 100%;
    }

    .container {
        width: 900px;
        height: 500px;
        margin: 50px;
    }
style>
<link rel="stylesheet" href="https://unpkg.com/maptalks/dist/maptalks.css">
<script type="text/javascript" src="https://unpkg.com/maptalks/dist/maptalks.min.js">script>

<body>

    <div id="map" class="container">div>

    div>

    <script>
        var map = new maptalks.Map('map', {
            center: [-0.113049, 51.498568],
            zoom: 14,
            baseLayer: new maptalks.TileLayer('base', {
                urlTemplate: 'https://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png',
                subdomains: ['a', 'b', 'c', 'd'],
                attribution: '© OpenStreetMap contributors, © CARTO'
            }),
            layers: [
                new maptalks.VectorLayer('v')
            ]
        });

        var marker = new maptalks.Marker([-0.113049, 51.498568], {
            'properties': {
                'name': 'point marker'
            }
        })
        marker.addTo(map.getLayer('v'));


    script>
body>

html>
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原文地址：https://blog.csdn.net/weixin_44867717/article/details/128140309