1. Department of Geography
SUNY at Buffalo
Department of Geography
WebGIS
Addresser: Yeming FAN

2. Outline What is WebGIS Why WebGIS ESRI’s two products for WebGIS
General structure of WebGIS systems
Two cases
Discussions

3. What is WebGIS ?
WebGIS is the solution for distributing mapping and GIS data and services on the Web.
Not only “Web mapping”
Always a distributed system

4. Why WebGIS ? Just a fancy word? Data sharing Accessibility Cost
Convenience

5. ESRI’s two products for WebGIS
ArcIMS
ArcIMS (Internet Map Server) — enables users to distribute high-end on-line GIS and mapping services and to display, query, integrate, and analyze local and remote data sources in a browser.

6. Some features of ArcIMS:
Easy to get started
Small but fast
Support both “Thin client” and “Fat client” structures
ESRI's development of ArcIMS is now limited.

7. ESRI's main server GIS product now.
ArcGIS Server
ArcGIS Server connects people with geographic information via Web applications and services.
Some features of ArcGIS Server:
Data Management
Spatial analysis
Spatial Web Editing Functionality
ESRI's main server GIS product now.

8. General structure of WebGIS systems

9. Two cases ArcIMS Case Erie County Intranet Mapping Service
ArcGIS Server Case:
Sample Flex Viewer from ESRI

10. Discussions Many products for WebGIS are available The trend of GIS
A necessary preparation for semantic web

11. Thank You
for Your Attention!