基于RIA WebGIS的区域烟草精准施肥管理决策系统设计与实现——以攀枝花烟区为例
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摘要
以数据为基础的传统Web GIS存在共享性弱,伸缩性差,开发难等弊端。RIA/REST的应用能显著增强系统响应能力,简化GIS Service过程。本文在根据区域土壤肥力差异、供肥性能和肥料利用率等建立施肥模型、案例库、专家知识库及施肥决策方案的基础上,利用Flex API+REST API+SQL的RIA Web GIS框架构建了攀枝花烟草生产施肥管理决策系统(http://218.89.168.145:8080/webgis1/),实现了农田、作物生产信息管理和智能化施肥决策的集成,以及快捷高效的在线访问。结果表明,系统可为用户提供科学合理的施肥方案,施肥量得到更精准控制,且RIA/REST开发框架具有部署灵活、开发简易、伸缩性强等特点,用户体验和交互性更具优势。
The use of traditional data-based Web GIS is restricted due to weak scalability, poor sharing and development difficulty. The use of RIA and REST can enhance GIS interactivity and simplify service processes. Fertilization model was set up according to soil fertility difference, soil nutrient supplying capacity, and utilization rate of fertilizers. Decision-making system of Panzhihua tobacco production and fertilization management was developed through RIA Web GIS development framework based on Flex API& REST API& SQL in combination with well-established data library, expert knowledge base and fertilization scheme.. With high degree of coupling between crops production and intelligent fertilization decisions, the system achieved quick and efficient online access to information. Results showed that this system could provide farmers with scientific and rational fertilization program. The development framework of RIA/ REST showed more flexibility in deployment, simplicity in development and strong retroactivity.
The use of traditional data-based Web GIS is restricted due to weak scalability, poor sharing and development difficulty. The use of RIA and REST can enhance GIS interactivity and simplify service processes. Fertilization model was set up according to soil fertility difference, soil nutrient supplying capacity, and utilization rate of fertilizers. Decision-making system of Panzhihua tobacco production and fertilization management was developed through RIA Web GIS development framework based on Flex API& REST API& SQL in combination with well-established data library, expert knowledge base and fertilization scheme.. With high degree of coupling between crops production and intelligent fertilization decisions, the system achieved quick and efficient online access to information. Results showed that this system could provide farmers with scientific and rational fertilization program. The development framework of RIA/ REST showed more flexibility in deployment, simplicity in development and strong retroactivity.
引文
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[2]陈江华,王树声,窦玉青,等.不同施肥模式对褐土和烤烟钙镁营养及烟叶品质的影响[J].中国烟草学报,2003,9(11):19-25.
[3]陈砣,吕新.基于JSP的棉花施肥管理决策系统的设计与实现[J].农业工程学报,2009,25(3):124-129.
[4]杨小冬,黄勇奇,危双丰.基于Web GIS的生态农业监测与决策支持系统设计—以云南省红河州烟草种植业为例[J].地球信息科学,2007,9(1):99-103.
[5]陈伟强.基于GIS的烟草施肥决策支持系统研究[D].郑州:解放军信息工程大学,2009.
[6]张维理,刘建利,徐爱国,等.我国烟草土壤肥料信息系统的开发与应用[J].中国烟草学报,2003,9(Z1):1-8.
[7]张宏,丰江帆,闾国年,等.基于RIA技术的Web GIS研究[J].地球信息科学,2007,9(2):37-41.
[8]邹小军,李昌华.富客户端技术使用前景分析[J].电脑知识与技术,2009,5(13):3443-3445.
[9]刘俊,谭建军,邵长高.基于Flex的Web GIS的框架与实现[J].计算机工程,2010,36(10):242-244.
[10]高晓蓉,徐丹,雷瑛.基于Fle x和REST服务的Web GIS系统开发[J].遥感技术与应用,2011,26(1):1 23-128.
[11]陈亮,尹飞,韩龙斌.基于面向资源架构的REST方式Web服务的开发方法[J].中国信息科技,2008,2 2:110-111.
[12]袁煜峰.基于Flex与REST的WEBGIS研究[D].上海:华东师范大学,2009.
[13]Robert Battle,Edward Benson.Bridging the semantic Web and Web 2.0 with Representational State Transfer(REST)[J].Journal of Web Semantics,2008,6(1):61-69.
[14]Michael zur Muehlen,Jeffrey V.Nickerson,Keith D Swen-son.Developing web services choreography standards the case of REST vs.SOAP[J].Decision Support Systems,2005,40:9-29.
[15]马晓蕾,范广博,李永玉,等.精准施肥决策模型与数据库系统[J].农业机械学报,2011,42(5):193-197.
[16]尤广文.基于Open GIS Web Srvice的空间数据共享技术研究[J].经济技术协作信息,2011,(9):176-177.
[17]ESRI.Arc GIS Server Administrator and Developer Guide[M].USA:ESRI,2004.
[18]袁怀月,侯澄宇,杨恒.基于Arc GIS Flex API的工厂基础地理信息共享服务系统设计[J].测绘工程,2011,20(2):61-69.
[19]陈砣,吕新.基于WEB的棉花信息管理及施肥推荐决策支持系统建立研究[J].土壤,2008,40(5):843-846.
[20]吴长彬,闾国年,舒飞跃.基于知识与规则的地籍数据质量检查方法[J].地理与地理信息科学,2007,23(5):22-26.
[21]周德新,崔海青,谢晓敏.机载电子设备故障诊断专家系统设计与实现[J].现代电子技术,2010,33(24):80.