The Design of the
Land-Use Change Analysis System
(LUCAS): Part II -- Parallel and
Distributed Implemetation

• Introduction
  • Terminology
  • Sample Scenario and Validation
  • Development and Parallelization
• Geographic Information System
  • GRASS and LUCAS
  • GRASS Structure
  • Programming Interface
• Functional Design of LUCAS
  • Stochastic Modeling
  • Socioeconomic Model Module and TPM
  • Landscape Change Module
    • Pixel-Based Transitions
    • Patch-Based Transitions
    • Random Number Generation
    • Statistics
  • Impacts Module
  • Parallel/Distributed Design
• Serial and Distributed Implementations
  • C++ Classes
    • DString Class
    • Parameters Class
    • Composite Class
    • LandscapeConditionLabel Class
    • Matrix Class
    • R250 Class
    • RasterFile Class
    • Stats Class
    • Impacts Class
    • Graphics Class
  • Distributed Implementation
    • PVM
    • pLUCAS Graphical User Interface
    • Main Window
    • Add Scenario Window
    • Modifications to LUCAS
    • PVM Class
    • Master mode
    • Servant mode
    • Send data mode
• Results and Conclusions
  • Validation of the LUCAS model
  • Distributed Results
    • Computing environment
    • Scalability, Speedup, and Efficiency
  • Future Development
  • Conclusions
• References
• Appendices
• Support Files
  • Scenario File
  • Impacts File
• Installation of LUCAS
• Installation of pLUCAS
• Execution times of LUCAS and pLUCAS
• About this document ...