Web多维数字航道监控平台

潘明阳; 刘涛; 王德强; 赵德鹏; 张新宇

Web多维数字航道监控平台

大连海事大学航海学院, 辽宁大连 116026

基金项目:

国家自然科学基金项目 51309043

中央高校基本科研业务费专项资金项目 3132013303

详细信息

作者简介:
潘明阳(1975-), 男, 福建永春人, 大连海事大学副教授, 工学博士, 从事交通信息工程研究

中图分类号: U675.81
计量
- 文章访问数: 785
- HTML全文浏览量: 152
- PDF下载量: 915
- 被引次数: 0
出版历程
- 收稿日期: 2014-01-02
- 刊出日期: 2014-04-25

Web multidimensional digital waterway monitoring platform

School of Navigation, Dalian Maritime University, Dalian 116026, Liaoning, China

More Information

Author Bio:
PAN Ming-yang (1975-), male, associate professor, PhD, +86-411-84723557, panmingyang@dlmu.edu.cn

摘要

摘要: 基于二维电子航道图和三维航道模型, 提出了一种新的Web多维数字航道监控平台。基于Java设计了Web多维数字航道监控平台架构。为了加快平台的绘制速度, 基于四叉树空间数据组织和数据预读策略对多维数字航道模型进行优化。为实现大范围的航道动态监控, 研究了航道中船舶与航标动态信息的数据组织、获取、绘制和查询, 提出了一种基于折半抽稀的动态目标图层绘制算法与一种基于光线投射的三维空间动态目标拾取算法。测试结果表明: 平台运行稳定、平滑, 通过Web在一个统一的框架下同时展现航道地形、码头设施和建筑物构成的三维航道模型和二维电子航道图, 实时动态监控辖区内的船舶和航标。
- 交通信息工程 /
- 多维数字航道 /
- 虚拟地球 /
- 电子航道图 /
- 航道监控
Abstract: Based on two-dimensional electronic navigational chart (ENC) and three-dimensional waterway model, a new web multidimensional digital waterway monitoring platform was proposed.The architecture of the platform was designed based on Java.In order to enhance the rendering speed of the platform, quadtree-based spatial data organization and data prefetching strategy were applied to optimize the multidimensional waterway model.In order to implement large scale waterway dynamic monitoring, the organization, access, display and query of dynamic information of ships and buoys in waterway were researched, and a binary thinning based rendering algorithm of dynamic object layer and a ray casting based picking operation of dynamic object in 3D space were proposed.Test result shows that the platform operates steady and smooth.Through the web, the platform can display three dimensional waterway's terrains, wharf facilities, buildings and two dimensional ENCs in a unified multidimensional framework, and monitor the real-time dynamic states of all vessels and buoys in waterway.
- traffic information engineering /
- multidimensional digital waterway /
- virtual earth /
- electronic navigational chart /
- waterway monitoring

HTML全文

图 1 多维数字航道模型

Figure 1. Multidimensional digital waterway model

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图 2 平台架构

Figure 2. Architecture of platform

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图 3 Web页面

Figure 3. Web page

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图 4 折半抽稀算法

Figure 4. Binary thinning method

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图 5 船舶显示

Figure 5. Vessel display

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图 6 船舶拾取

Figure 6. Vessel picking

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图 7 船舶监控

Figure 7. Vessel monitoring

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图 8 航标监控

Figure 8. Buoy monitoring

下载: 全尺寸图片幻灯片

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