Introducing the Sighted to Maps for the Blind: A Report on the I.G.U. Tactual Map Exhibit

Tactual maps can be useful aids for blind mobility. Sighted visitors to an exhibit on maps for the blind at the August 1972 International Geographical Congress had an opportunity to try out tactual mobility maps for themselves. Blindfolded participants attempted to guide themselves through a maze with the help of such a map. Over half of those observed had some difficulty in finding their way. Evaluation of their performances suggests that unfamiliarity with methods for reading and using tactual maps was a major problem. The maze and tactual map exhibit also emphasized that tactual maps differ from visual maps in content, design, and reproduction. Special requirements in all these areas will have to be met before tactual mapping can fulfill its promise as a mobility tool for the blind.     

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.net是微软提出的新一代因特网模型，介绍了基于.net模型的全新GIS体系结构g.net，着重地阐述了g.net的关键技术XML,g.net的结构和g.net上的数据源，展望了g.net的应用前景。     

铺就GIS全球化之路--解读g.net

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