基于HTML canvas的WebGIS客户端技术研究 |
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引用本文: | 吴磊,;张福庆.基于HTML canvas的WebGIS客户端技术研究[J].测绘软科学研究,2009(3):78-82. |
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作者姓名: | 吴磊 ;张福庆 |
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作者单位: | [1]北京师范大学地理学与遥感科学学院遥感科学国家重点实验室,北京100875; [2]中国科学院遥感应用研究所遥感科学国家重点实验室,北京100101 |
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基金项目: | 国家863计划项目资助(2009AA127215) |
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摘 要: | 从提供静态媒体发展到能动态地处理多媒体信息是Web应用的发展趋势,HTML canvas元素是HTML 5标准中新增的用于处理图像图形以及动画的新技术。本文讨论了该技术在WebGIS客户端的应用,分析了一种适合HTML canvas的基于JSON的地理信息数据传输格式以及基于HTML canvas元素构建WebGIS浏览器客户端的设计和实现。
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关 键 词: | HTML canvas JSON WebGIS |
A Study on WebGIS Client Based on HTML canvas |
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Institution: | WU Lei, ZHANG Fu-qing ( 1. State Key Laboratory of Remote Sensing Science, School of Geography, Beijing Normal University, Beijing 100875, China; 2. State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing Application, Chinese Academy of Sciences, Beijing 100101, China) |
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Abstract: | The development of Web that from providing static media to supporting dynamic media is the trend of Web application.HTML canvas element is a new technology which can be used to draw graphics,make photo compositions or do animations.The paper discusses the technology in the WebGIS client application,it analyses a JSON based data transmission format which used to transmit GIS data,and the key points that build WebGIS client by using HTML canvas element. |
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Keywords: | HTML canvas JSON WebGIS |
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