基于Web电子海图的海洋气象信息处理与显示系统
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摘要
当今国内外航运竞争日益激烈,为提高船公司在航运市场的竞争力,船舶公司对船舶的管理越来越重视,如何保证船舶的营运安全,是航运界十分关心的一个问题。而海洋气象是影响海上船舶安全航行的最重要的因素之一,如何能够方便、快速、直观地获取船舶周围海区气象信息,为岸上船舶管理人员提供集成、有效的信息支持,对于船舶安全监管、高效调度和岸基服务具有十分重要的意义。
本文依托国家科技支撑计划项目“远洋船舶及货物运输在线监控系统”,提出了基于Web电子海图的海洋气象信息处理与显示系统。本文首先研究了利用ArcGIS Server发布Web电子海图,为整个系统提供显示平台;接着设计了FTP客户端自动下载程序,并根据海洋气象信息的种类设计了海洋气象信息数据库,对下载到指定位置的气象数据文件进行统一入库管理;然后对ArcGIS Server的二次开发平台进行了重点的研究,确定了海洋气象信息的叠加方案,设计了海洋气象信息的显示流程。最后通过实验证实了本文所提系统的正确性和有效性。
本文的成果主要体现在以下三个方面:
第一,利用FTP网络通信协议,设计并开发了海洋气象信息的自动下载软件。在无人干预的情况下,实现了海洋气象信息的自动下载和入库。
第二,以ArcGIS Server为平台,实现了海洋气象信息在Web电子海图上的集成和融合。同时运用Ajax技术,改善了海洋气象信息的显示效果。
第三,设计并实现了基于Web电子海图的海洋气象信息处理与显示系统,实现了海洋气象信息的网络化共享,能够为用户提供准确、方便、快捷的海洋气象信息服务。
With the increasingly fierce competition of the domestic and international shipping, to enhance the Shipping companies' competitiveness in the shipping market,Shipping companies are increasing emphasis on the management of the ship.How to ensure the operating safety of the ship is of great concern to the shipping community.However, marine meteorological conditions which the ships encounter have an important effect on ship's safety and navigation efficiency.How to obtain the meteorological information in real-time,process it and merge it into the Electronic Chart Display platform,which can provide integrated and effective information support for shore-based ship managers is very meaningful for the ship's safe management,effective scheduling and Shore-based services.
This paper relies on scientific and technological support of national projects "Ship and cargo online monitoring system(scom)," raises the marine meteorological information processing and display system based on web electronic chart.This paper initially studies on the use of ArcGIS Server to release web electronic chart for the entire display platform;Then designs the FTP client program to automatically download marine meteorological,and in accordance with the type of marine meteorological information,design marine meteorological information database for the unified management of the meteorological data;third,focuses on the research of the secondary development platform of ArcGIS Server,determines the overlay program of marine meteorological information,designs the display process of the marine meteorological information;in the end,confirms the correctness and validity of the system mentioned in this paper through Experiments.
The result of this paper is mainly reflected in the following three aspects:
First,uses FTP network communication protocol,designs and develops automatic downloaded software of the marine meteorological information.In the absence of intervention,realizes automatic downloading and storage for the marine meteorological information.
Second,realizes the integration and fusion of the marine meteorological information in the Web electronic charts,which provides a display platform by ArcGIS Server.As the same time,uses ajax technology to improve marine weather information display.
Third,designs and implements marine meteorological information processing and display system based on web electronic chart,realizes the marine meteorological information sharing on network to provide users with accurate,convenient and efficient marine meteorological information services.
本文依托国家科技支撑计划项目“远洋船舶及货物运输在线监控系统”,提出了基于Web电子海图的海洋气象信息处理与显示系统。本文首先研究了利用ArcGIS Server发布Web电子海图,为整个系统提供显示平台;接着设计了FTP客户端自动下载程序,并根据海洋气象信息的种类设计了海洋气象信息数据库,对下载到指定位置的气象数据文件进行统一入库管理;然后对ArcGIS Server的二次开发平台进行了重点的研究,确定了海洋气象信息的叠加方案,设计了海洋气象信息的显示流程。最后通过实验证实了本文所提系统的正确性和有效性。
本文的成果主要体现在以下三个方面:
第一,利用FTP网络通信协议,设计并开发了海洋气象信息的自动下载软件。在无人干预的情况下,实现了海洋气象信息的自动下载和入库。
第二,以ArcGIS Server为平台,实现了海洋气象信息在Web电子海图上的集成和融合。同时运用Ajax技术,改善了海洋气象信息的显示效果。
第三,设计并实现了基于Web电子海图的海洋气象信息处理与显示系统,实现了海洋气象信息的网络化共享,能够为用户提供准确、方便、快捷的海洋气象信息服务。
With the increasingly fierce competition of the domestic and international shipping, to enhance the Shipping companies' competitiveness in the shipping market,Shipping companies are increasing emphasis on the management of the ship.How to ensure the operating safety of the ship is of great concern to the shipping community.However, marine meteorological conditions which the ships encounter have an important effect on ship's safety and navigation efficiency.How to obtain the meteorological information in real-time,process it and merge it into the Electronic Chart Display platform,which can provide integrated and effective information support for shore-based ship managers is very meaningful for the ship's safe management,effective scheduling and Shore-based services.
This paper relies on scientific and technological support of national projects "Ship and cargo online monitoring system(scom)," raises the marine meteorological information processing and display system based on web electronic chart.This paper initially studies on the use of ArcGIS Server to release web electronic chart for the entire display platform;Then designs the FTP client program to automatically download marine meteorological,and in accordance with the type of marine meteorological information,design marine meteorological information database for the unified management of the meteorological data;third,focuses on the research of the secondary development platform of ArcGIS Server,determines the overlay program of marine meteorological information,designs the display process of the marine meteorological information;in the end,confirms the correctness and validity of the system mentioned in this paper through Experiments.
The result of this paper is mainly reflected in the following three aspects:
First,uses FTP network communication protocol,designs and develops automatic downloaded software of the marine meteorological information.In the absence of intervention,realizes automatic downloading and storage for the marine meteorological information.
Second,realizes the integration and fusion of the marine meteorological information in the Web electronic charts,which provides a display platform by ArcGIS Server.As the same time,uses ajax technology to improve marine weather information display.
Third,designs and implements marine meteorological information processing and display system based on web electronic chart,realizes the marine meteorological information sharing on network to provide users with accurate,convenient and efficient marine meteorological information services.
引文
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[2]陈达森.海气环境对航海的影响因子分析[J].科技经济市场.2006,3.
[3]范海玲,张璐璐.Ajax及其在WebGIS研究中的应用[J].电脑知识与技术,2008,(07).
[4]王青勇.基于Web的综合气象信息分析系统研发:(工程硕士学位论文).重庆:重庆大学,2006.
[5]Wilhelmo,BoehlertJ.GISInitiative:Developing an atmospheric data model for GIS[J].Unidataseminar,August30,2004.
[6]RobertWest.Understanding ArcSDE[M],U.S.A EsriPress,2001.
[7]郑卫江.气象要素可视化与台风灾害评估关键技术研究:(硕士学位论文).北京:首都师范大学,2007.
[8]魏六峰.气象信息存储管理和显示分析系统的研究和设计:(工程硕士学位论文).重庆:重庆大学,2006.
[9]http://haiyang,myanyp,cn/222/articles/041120015847546,aspx?z=141440&m=267164
[10]周立佳,刘永禄.基于电子海图的航海气象数据库系统[C].中国航海学会学术交流会论文集.2001.
[11]王世远,凌锡璜.林阿定.全球气象和船舶跟踪系统[J].交通部上海船舶运输科学研究所学报.1995,18(1):46-54.
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[13]马军.精通ASP.NET网络应用系统开发[M].北京:人民邮电出版社,2006.
[14]王辉,黄红超.ASP.NET实用教程[M].北京:清华大学出版社,2005,12.
[15]刘南,刘仁义.Web GIS原理及其应用[M].北京:科学出版社,2002:10-15.
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[22]赖德旺,吴良才.基于ArcGISServer的企业级WEBGIS的设计与开发[J].湖北民族学院学报.2008,26(4):413-417.
[23]康玲,傅峻锋,王怀清,蔡劲松.基于ArcGISServer的WebGIS应用系统开发[J].水电能源科学.2007,25(1):26-29.
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[28]吴功和,丛明日.基于ArcGIS Server的分布式GIS应用[J].测绘科学技术学报.2006,23(1):52-55.
[29]朱政.通过.Net ADF开发和部署ArcGIS Server应用[R].北京:ESRI中国(北京)有限公司,2004.
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[33]石东霞.Ajax技术在Web应用中的研究和改进:(工学硕士论文).大连:大连海事大学,2008.
[34]Ryan Asleson,Nathaniel T.Schutta.Foundations of Ajax[B].hpress L.P,2005.
[35]Laurence Moroney.Foundations of atlas:Rapid Ajax development with ASP.NET 2.0[M].USA:Apress,2006.
[36]周宏生.基于FTP协议的文件上传和下载[J].科技资讯.2006,(2):5-6.
[37]顾斌.基于FTP协议的WinSock程序实现[J].安徽工业大学学报.2003,20(2):158-161.
[38]蒋东兴.WinSocks网络程序设计大全[M].北京清华大学出版社,1999.
[39]徐羽.FTP的两种工作模式[J].网络与信息,2004,(03).
[40]谢希仁.计算机网络(第四版)[M].北京:电子工业出版社,2003.
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[47]张英俊,张秀国.网络环境下的电子海图应用系统开发平台的研究[J].大连海事大学学报,2001,27(2):22-23.
[48]ERSI.Using ArcMap.USA:ESRI,2004:253-282.
[49]Eric Bader,Euan Cameron,ChrisDavies,etal.ArcGIS Server Administrator and Developer Guide[M].New York:ESRI,2004.
[50]孙逸敏.浅谈使用ADO.NET和ASP.NET访问SQL Server数据库[J].太原城市职业技术学院学报.2008,(11):147-148.
[51]王轶宏.等值线的自动绘制方法在计算机上的实现:(硕士学位论文).长春:吉林大学,2006.
[52]韦美雁,杜丹蕾.基于规则网格的等值线的生成研究[J].湖南科技学院报.2007,28(4):39-41.
[53]唐艳红.海洋环境信息等值线自动绘制方法研究:(硕士学位论文).哈尔滨:哈尔滨工程大学:2007.
[54]熊华,刘凤新,潘小莉.Windows动态链接库原理分析及其应用[J].北京化工大学学报.2004,31(01):99-102.
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