1. GIS Application Development for the Internet:
What you need and how to get started!
Fred Hejazi – Director of Geospatial Services, Avineon Inc.
An ISO 9001:2008 Registered
CMMI Maturity Level 3 Company
1430 Spring Hill Rd, Suite  McLean, VA  

2. Today’s Agenda Differences between desktop GIS and Web GIS
Evolution and architecture of today’s Web GIS
How the components work together
Licensing models
How to select the right technology (Example Project)
Industry Future
Conclusion

3. Internal Infrastructure
Desktop vs. Web GIS
Internal Infrastructure
Data
GIS
Platform
Application
Desktop GIS
3 basic layers: Data, Platform, Application
All are inside your IT Infrastructure
One user at a time
Web GIS
Same 3 layers: Data, Platform, Application
Each layer (or part) can be located anywhere
Thousands of simultaneous users?
Internet IT Infrastructure

4. Evolution of Web GIS Generation 1 (Desktop GIS for the web)
Screen images sent over the web
Data, Software and Application inside my network
Generation 2 (True web technology)
Improved technology, service architecture
Implementation similar to Generation 1
Standardization of Web Services
Generation 3 (Hosted and shared services)
Hybrid and Hosted Services
Optimized for the web
Supports distributed cloud implementation
Arcview IMS MapObjects IMS . . .
ArcIMS Maptitude for the web . . .
Google Maps ArcGIS Server Here.com . . .

5. Typical Architecture A
Using a Map Server (e.g. ArcGIS Server)
Common use: web based GIS Viewer
ARCGISServer
GIS Data
Map Server
Cloud Web Services
Desktop GIS e.g.
Map Server
RDBMS
Cloud Web Services
ArcGIS Server (ESRI)
Oracle
Microsoft BING
Geo Server (Open)
MS SQL Server
ArcGIS Online
Google Enterprise
PostGRE
Google Maps
Think Geo
ESRI GDB
CloudMade
… Many more options
Components
Typical Cost
Map Server
$4K - $24K +
RDBMS
$0 - $20K +
Cloud Web Services
$0 - $15K +
Hardware Infrastructure
$3K - $10K +

6. Typical Architecture B
Hosted Services (e.g. ArcGIS Online / Google Fusion Tables)
Desktop GIS e.g.
Cloud Web Services
Cloud Web Services
ArcGIS Online
Google Maps
GISCloud
CartoDB
Components
Typical Cost
Cloud Web Services
$500 - $15K +

7. Typical Architecture C
Using spatially enabled RDBMS & cloud web services
Desktop GIS e.g.
GIS Data
Cloud Web Services
RDBMS
Cloud Web Services
Oracle Spatial
Microsoft BING
MS SQL Server
ArcGIS Online
PostGRE
Google Maps
ESRI GDB
CloudMade
Components
Typical Cost
RDBMS
$0 - $20K +
Cloud Web Services
$0 - $15K +
Hardware Infrastructure *
$3K - $10K +
* - May not be required

8. ||||||||||||||||||||||||||||||||
How Web GIS Works
How the components interact in Architecture C
Typically used in application where the data is dynamic
Application Server
ArcGIS Online
|||||||||||||||||||||||||||||||| 
RDBMS WEB SERVER  
||||||||   

9. Licensing Models
Major services provide free use of their base maps for public facing non-commercial applications
Services such as Geocoding, Routing, Weather, and Elevation are limited or paid only
Example: Geocoding Service
Service
Cost
Limitation (Free/paid)
Google Maps
0/+$15000 per year
2,500/100,000 per day
CloudMade
0/$15 per 100,000
100,000/No limit per Month
ESRI AGO
$ $100 per 25000
All paid services with no limitations
Nokia Here.com
0/$1500 per month
2500/10,000 per day
* - Subject to change

10. Quality Varies Different mapping platforms provide varying results
CloudMade
Google
ESRI AGO JS
Nokia Here.com
Census Data
Navteq
Roof top
Example applications:
Delivering a package/emergency response –> Roof Top
Geocoding voters –> Census

11. Example Project
Build a web page to collect public comments on a proposed zoning map.
Collected data should be viewable in ArcGIS

12. Example Project Application Components Selection Process Web Mapping
Hosted Internally / Externally
Windows / Linux
Mapping
Bing / ArcGIS Online / CloudMade/ Google Maps
Database
MS SQL / Oracle / MySQL / PostGRE
technology
Silverlight / Flash / Javascript-php
Selection Process
External hosting allows for rapid start up (no need to purchase hardware)
Linux requires less hardware
Google maps is more appropriate for a public facing application
PostGRE is free and includes PostGIS if future GIS analysis functionality is required
PostGRE data is also supported natively by ArcGIS as a Query Layer
Use of Plugins is being phased out by most web developers in favor of Javascript
Development time: 3 days, deployment cost: $40 per month
Mapping
Database
Technology
Hosting

13. Future Direction Reduced costs
More applications by “non-GIS” programmers
Open source data and software
Openstreetmaps.org
Open layers ... and several others
More “Apps” less “Maps”
Integration of mobile and sensor technology
Phase out of Silverlight and Flash based mapping
HTML 5
Google switched about a month ago
Expect others to follow
Significantly improved performance
Cross platform support on mobile

14. Conclusion
Try before you buy (or start development) Examples: Google routing Max 10/23 way points ArcGIS standard Max 10 way points – 50 with World server
Multi-vendor solutions may work best
ESRI Routing & Google Street views
GIS skills not as important as technology skills
Expect and plan for a more complex architecture
Test performance
Select consultants with broad experience

15. Director of Geospatial Services, Avineon Inc. fhejazi@avineon.com
Fred Hejazi
Director of Geospatial Services, Avineon Inc.
An ISO 9001:2008 Registered
CMMI Maturity Level 3 Company
1430 Spring Hill Rd, Suite  McLean, VA  