Internet GIS distributed geographic information services for the internet and wireless networks.doc
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1、09/09/2008INTERNET GISDr. Zhong-Ren PengASSIGNMENT - 1Submitted bySai Sudha VivekanandanUFID 2321-7131MS Geosensing Systems Engineeringhttp:/plaza.ufl.edu/sai2585/index.htmInternet GIS applications in Urban Planning, Zoning, Land use and Tax AssessmentUrban, city, and town planning are the disciplin
2、es of land use planning that explore a very wide range of aspects of the built and social environments of urbanized municipalities and communities. GIS is currently used by urban planners, engineers and surveyors to research, develop, implement and monitor their plans as they become carried out. The
3、re are many databases containing maps often created by USGS. Each municipality or organization has access to these databases and can add information which could include age structure data, population density, zoning, tax assessment, etc. The Internet and the World Wide Web have been hailed in the po
4、pular press as revolutionary medium of communication for the next millennium. The Web is opening up new forms of computer-mediated communications, allowing for new forms of information dissemination, social interaction and collaborative working. This is particularly so for the planning community wit
5、h the intense drive to develop GIS further in terms of widening and deepening access to spatial information along with appropriate analytical functionality within the network paradigm of the Web and the browser interface. Taxonomy of Online Urban Planning SystemFunctions and InterfaceContentsContent
6、 LevelInformation DisseminationQueryInteraction with MapGeneral InformationAA1A2A3OrthophotoBB1B2B3ZoningCC1C2C3Tax InformationDD1D2D3Websites:a) http:/ C3)Purpose: This website provides the base information (Townships, city/town, water), land information (zoning), infrastructure information (roads,
7、 highways, regional) and political information (voters districts) of Fulton County. Targeted Audience: This serves to be useful for planners, general public and engineers who are involved in infrastructure development.Pros: The positive features of this website are in addition to the common tools li
8、ke zoom in, zoom out, it also has some useful tools like identify, tooltip, measure and add point of interest. All these features enable interactive mapping. Also, it has a overview window at the right-bottom corner which helps us locate our position in the whole area. It also provides the XY locati
9、on of the area as the cursor moves through the map. Cons and Improvement: The drawbacks of this site are that certain information like addresses, parcels, soils and orthophotographs are not available for the public to access. Though they are present, they are disabled. These need to be rectified to
10、make the application better.Internet GIS Software: The Internet GIS software used in this website is Mapserver. MapServer is an open source development environment for building spatially-enabled internet applications. It can run as a CGI program or via Mapscript which supports several programming la
11、nguages. MapServer is not a full-featured GIS system, nor does it aspire to be. Instead, MapServer excels at rendering spatial data (maps, images, and vector data) for the web. Beyond browsing GIS data, MapServer allows us to create geographic image maps, that is, maps that can direct users to conte
12、nt.b)http:/ vf0)/Map.aspx(Level C1)Purpose: Maptitude is a powerful combination of software and geographic data that provides everything we need to realize the benefits of desktop mapping and spatial analysis with a single, easy-to-use package. This website provides information about a variety of ap
13、plications such as demographic, health, crime, environmental, political, education, etc for the state of Massachusetts. Out of these, the demographic, political, housing come under the roof of the urban planning, zoning, etc. Targeted Audience: Maptitude Geographic Information System for Windows is
14、the intelligent mapping solution for business, government, and education. The targeted audience are the municipality, general public, revenue department. Pros: This application provides voluminous and detailed information in each of the topics. City and Town: Massachusetts City and Town Boundaries,
15、Massachusetts High School District Boundaries, Massachusetts State House District Boundaries Massachusetts State Senate District Boundaries Massachusetts Congressional District Boundaries Economic data: Employment, Occupation, Industry, Household and Family Income, Poverty Status, Tax Rates, Tax Bil
16、ls, and Revenue There is a detailed legend given for each map. When clicked on the info tool and click on a map feature, it gives almost all possible information on it.Cons and Improvement: Interactive mapping component is missing in this application. That is the user is not able to add a point of i
17、nterest or measure anything. This site can be improved by adding these features.Internet GIS software:The Internet GIS software used to develop this application is Caliper Maptitude. Maptitude for the WebTM has all of the tools we need to create compelling and attractive maps, plus special capabilit
18、ies for designing and running interactive web mapping applications and GIS web services on the World Wide Web. we can quickly create simple applications, without programming, by using an existing template and linking it to our geographic data. Experienced programmers can create complex web applicati
19、ons and web services by accessing a rich set of .NET classes and modifying the source code for the existing templates.c) http:/www.uthungulu.org.za/udmgis/mappage.aspx(Level B2)Purpose: uThungulu is one of the 11 district municipalities (districts) of KwaZulu-Natal province in South Africa. This web
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