FLASH专题地图制作与应用

论文总字数：29126字

摘 要

从古老的陶片地图到电子地图，发展了几千年，人们对地图的要求从纸张、牛皮作为载体的传统地图逐渐变为程度精细化、数据可视化、交互界面操作简单的电子地图。电子地图作为地理信息系统重要的应用之一，通过一些技术将地理空间信息数据更好展示到人们面前，是服务于城市规划和管理的主要数据源。

本次毕业设计基于Flash的户端架构方法，在分析Flash和ArcGIS空间服务器、Web应用服务器的关键概念和涉及的开源软件的基础上，应用Flash开发GIS系统的交互功能，对系统框架结构进行了设计，最后以江苏交通路网规划为例实现了所研究内容的可行性和有效性。

本次设计框架采取了富应用程序技术——Flash语言，实现的客户端具有良好的的用户体验和丰富的地图服务，并且框架具有良好的可移植性和可扩展性，此外，结合开源软件，程序实现了低耗费、有着高度灵活性，为开发者在开发案例中提供了一种新想法。

关键词：Flash，RIA，瓦片金字塔模型，电子地图，XML文件，矢量与栅格一体化

PRODUCTION AND APPLICATION OF FLASH THEMATIC MAP

Abstract:Network geographic information system (WebGIS) is using Internet technology to expand and improve a technology of information system, take on geographic information data acquisition, storage, analysis, query, output and shared a information system under the Internet environment. With the development of network technology and mobile communication technology, people are increasingly dependent on network, new requirements of WebGIS, urgent need for online browsing, editing and analyzing of spatial geographic information, the electronic map to seek new breakthroughs.

The combination of Flash and electronic map not only can improve the efficiency of the display of spatial data, but also make the user interface of electronic map more rich and interactive. The research based on flash open source WebGIS client framework method, on based on the analysis of flash and spatial analyst of ArcGIS Server, web application server key concepts and relates to the open source software, using flash to develop GIS system interactive function, the system frame structure design. Finally, in Jiangsu traffic network planning for example realized content of the feasibility study and effectiveness.

The design of the framework take the rich application technology of flash language, to achieve the client has a good user experience and a wealth of map service, and frame has good transplantation and scalability. In addition, based on the open-source software, procedures to achieve the low cost, has a high degree of flexibility, for developers in the majority of cases, provides a new idea.

Key words: Flash, RIA, tile Pyramid model, electronic map, XML file, vector and grid integration

目 录
摘要 ............................................................................................................................................... I
ABSTRACT.........................................................................................................................................II
第一章 绪论...................................................................................................................................1

1.1研究背景...........................................................................................................................1

1.2研究意义和目的...............................................................................................................1

1.3相关技术研究现状...........................................................................................................2

1.3.1 GIS电子地图研究现状..........................................................................................2
1.3.2 Flash研究现状.......................................................................................................2

1.3.3 Flash在GIS中的应用现状....................................................................................2

1.3.4 Flash在GIS中的发展趋势....................................................................................2

1.4 研究内容与技术路线......................................................................................................3
1.4.1 研究内容...............................................................................................................3
1.4.2 技术路线...............................................................................................................3

1.5论文结构...........................................................................................................................3

第二章 基本概念与研究方法.......................................................................................................5

2.1富客户端技术...................................................................................................................5
2.1.1 几种常用的富客户端技术...................................................................................5

2.1.1.1 Ajax......................................................................................................................5

2.1.1.2Flash.....................................................................................................................5

2.2 Flash 技术........................................................................................................................5
2.2.1 Flash 特性.............................................................................................................6

2.2.2 Flash 技术的特点及优势.....................................................................................6
2.2.3 Flash 基本框架.....................................................................................................6
2.2.4 Flash 系统运行原理.............................................................................................7

2.3影像缓存技术..................................................................................................................8
2.3.1 金字塔模型..........................................................................................................8
2.3.2 影像切割原理......................................................................................................9

2.3.3 地图切片算法....................................................................................................10

2.4 开发环境.........................................................................................................................10
2.4.1 ActionScript...........................................................................................................10
2.4.2 Adobe Flash CS5....................................................................................................10
2.5小节.................................................................................................................................10

第3章 基于Flash技术的电子地图结构设计及实现..............................................................11

3.1 需求分析........................................................................................................................11

3.2 设计目标........................................................................................................................11

3.3 设计原则........................................................................................................................11

3.4 系统功能设计 ..............................................................................................................12

3.5 开发平台设计 ..............................................................................................................12

3.6 系统界面设计 ..............................................................................................................13

第四章 基于Flash技术的电子地图实现..................................................................................16

4.1 系统开发环境................................................................................................................16

4.2 基于瓦片地图服务的数据叠加....................................................................................16

4.3 GIS基本功能.................................................................................................................17

4.4 SHP数据文件转XML描述文件.....................................................................................19

4.4.1 江苏省交通路网矢量化......................................................................................19

4.4.2 SHP数据转XML文件..........................................................................................19

4.4.2.1 XML文件.......................................................................................................19

4.4.2.2 FME软件编制XML文件模板......................................................................20

4.2.2.3 FME解决方案...............................................................................................23

4.2.2.4 XML文件与栅格地图文件叠加...................................................................26

4.5 分级市动态指向图.......................................................................................................27

4.6 电子地图漫游...............................................................................................................28

4. 7 矢量图索引...................................................................................................................28

第五章 结论与展望.....................................................................................................................29

5.1结论................................................................................................................................23

5.2展望................................................................................................................................30

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