Tài liệu Slide cartography in the age of digital technology opportunities and challanges

CARTOGRAPHY IN THE AGE OF DIGITAL TECHNOLOGY OPPORTUNITIES AND CHALLANGES Lê Minh Vĩnh Dept. of Geodesy and Cartography University of Natural Resources and Environmental of HCMC In the mid-to-late 20th century, advances in electronic technology have led to revolution in cartography. Basing on computer-mapping systems, maps are produced easily and faster than ever Maps are made by computers and map-making software… What do we do now that there’s Google Maps… Hasn’t everything been mapped already? Are cartographers still needed? Exist or not exist? During the 20th century In the new age of Digital Technology, GIS has appeared and given Cartography many new changes that lead to opportunities as well as challenges. Challenges <> Difficulties 1 Past…and …Present Draw maps manually using traditional tools and technology – pens and ink Create maps using computer-based system 1 Technology let us make many different types of maps that people can not imagine before (3D, animated, multi-scale, multi-time and multilayer, interactive, multimedia maps…) From 2D to 3D maps Source: Vinh Le, Phuong Dinh Cartogram: one type of map that visualizes spatial data Cartogram for Population Density Cartogram for Population Source: Vinh Le, Khanh Chau Multi –layer From State to county Source: http://3.bp.blogspot.com/_2rFpt0ZHGzg/TPa2n6NHNXI/AAAAAA AAAGk/UBW11Cs9024/s1600/changeanim.gif Source:http://www.theatlantic.com/health/archive/2013/04/look-how-quickly-the-us-gotfat-1985-2010-animated-map/274878/ LOOK HOW QUICKLY THE US GOT FAT (1985-2010) Multi- Time Source: http://www.cartogrammar.com/flash/woodruffLab2.swf Interactive maps Cartographers should update technological advancement ability ->they can use their image and creativity to develop as many as possible wonderful, attractive maps… Consequently… . 2 The more we get attractive and beautiful maps, the more people are willing to use them. Maps can be used in different creative ways, not only in some traditional fields such as in research, education, tourism …but also in not likely related as marketing, advertisement, politics, social sciences … Geo-marketing: the use of location knowledge to frame marketing efforts, using digital mapping to organize and display data for review and decisionmaking. Internet maps: any thing, anytime, anywhere,