1. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- Systems Design Options for Linking GIS, Modeling and Visualization: Application to Forest Management Hong Tang Ian D. Bishop P. M. Yates Center for Geographic Information System and Modeling The University of Melbourne

2. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- Geographic Information System in Forest Management spatial data capture data storage data manipulation display report...

3. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- Forest Decision Support System GIS + Additional tools = SDSS such as: resource & environmental modeling realistic visualization,...

4. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- The Ideal Forest Decision Support System The objective: present current condition of forest forecast forest succession predict impacts of management decisions make better decision

5. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- The Ideal Forest Decision Support System The available tools: GIS : ArcView, ArcInfo... Modeling: forest growth & yield models Visualization: OpenGL, IRIX Performer toolkits GIS Modeling Visualization

6. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- Integration - the purposes minimizes the development effort maximize the functionality of each module promise the rapid application design

7. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- Integration - the methodologies stand alone applications - no integration GIS VIS. Modeling

8. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- Integration - the methodologies data exchange - loose integration File exchangeFile exchange Modeling GIS visualization USER

9. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- Integration - the methodologies closer linkages - tight integrationfull integration 2 interfaces 1 interface many others: merged, enhanced, customised, embedded...

10. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- Client/server integration Client RPCs/DDE/ Server AppleEvents, etc Client-Server Paradigm

11. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- Messages Passing Processes

12. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- The purpose of developing system closely links GIS, modeling and visualizations provides full set of function for forest management provides different form of visualization which is accessible to different users

13. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- Data sets and formats supported Arc/Info coverages: forest stands, road, creeks, DEM ArcView shape files: Images data: satellite images, aerial photos, sampled textures Object file: stores the geometry and other properties (textures, etc)

14. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- Implementation of integration methodologies Visualization RPCs GIS(ArcView) (PFV)Modeling Message passing system Forest Decision Support System

15. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- Communication protocols Highlight PID Grow Years Harvest PID …... Agreements GISPFV

16. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- File conversions GIS ---> Visualization Pid 2 Obj - convert polygon coverage to.obj file, use PID as common identifier between GIS and PFV Arc 2 Obj - convert user drawn polygon to object file Visualization ---> GIS view position polygon identification

17. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- System architecture

18. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- Overview of the system ArcView (Model integrated), Visualization (PFV) Shell window 2 way communications interactive, real-time decision support image realism Friendly interface, easy control

19. -------------------- Hong Tang Center for GIS and Modeling The University of Melbourne Australia ---- Overview of the system