Data Dissemination Some Trends - unstats.un.org · Instituto Brasileiro de Geografia e Estatfstica...
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June/2011 Data Dissemination Centro de Documentação e Disseminação de Informações Some Trends
Transcript of Data Dissemination Some Trends - unstats.un.org · Instituto Brasileiro de Geografia e Estatfstica...
June/2011
Data Dissemination
Centro de Documentação e Disseminação de Informações
Some Trends
Dissemination - Goals and Challenges• the main goal is to fulfill the demands of society and government
• universalize access to information
• use of suitable language for different users
• nowadays the main vehicle is internet
• the challenge is to get a greater number of users access
Data• Many ways to show data:
• tables• graphs• maps• cartograms• reports
Emerging Trends
1 - Interactive web based tools
• First approach• address user needs• users can choose what they want
• Second approach• data ready to use• just one click to view or save data
Tables• query
Tables• download or view
Data for geographic unit• municipality
Data for geographic unit• state
Graphs• ready to use
Cartograms• ready to use
“Web Services”
GIS-DBMS server
browserclient
Web
ser
ver
Map
ser
ver
Emerging Trends
2 – Web mapping
Web Mapping• Vantages
• use a standart protocol - WMS • easy to use• many softwares (commercial and free)• interface customizable• allow a more especialized use (GIS experts)• allow sharing the map in a simple way• mashup• allow the construction of interactive atlas
Web Mapping
Web Mapping
Web Mapping
Maria do Carmo Dias [email protected]
