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Baptiste Lesquoy edited this page Sep 8, 2023 · 11 revisions

Using GAMA flags

What are flags

GAMA and some of its components (software libraries) make it possible to change some of the software behaviors by setting up "flags". Those are mainly for advanced users and should not be much of a concern for most users.

Gama flags

GAMA flags are flags that are build directly by GAMA developers, they have to be set in the Gama.ini file as a new line item (or as a VM argument) like this -D<FLAGNAME>=true/false. For example :

-Denable_logging=false

Available flags

  • enable_debug: Set to true by default, it enable logging the debug messages (DEBUG.OUT(...), DEBUG.ERR(...) which will follow the declaration of DEBUG.ON() on the classes). Set to false to suppress all debug logging (but regular logging using DEBUG.LOG(...) or DEBUG.TIMER(...) will still operate).
  • enable_logging: Set to true by default, it enables simple logging activities using DEBUG.LOG(...), DEBUG.TIMER(...). Set to false to prevent all logging activities (incl. debug ones)
  • use_global_preference_store: set to true by default, it saves the preferences in the global (managed by the JRE) preference store. Set to false to save them in each GAMA instance preference store.
  • read_only: set to false by default, set to true if you want the files in the gaml editor to be read-only (impossible to modify them)

Using Eclipse and SWT flags

GAMA 1.9.2 uses Eclipse 2022-12 as the based component for the IDE.

More precisely, GAMA uses the Eclipse Runtime which provides the foundational support for plug-ins, extension points and extensions (among other facilities), it's the application structure and is built on top of the OSGi framework.

GAMA also uses the Standard Widget Toolkit (or SWT for short). SWT is designed to provide efficient, portable access to the user-interface facilities of the operating systems on which it is implemented.

Available flags

Both components can be tweaked thanks to the eclipse's Rich Client Platform interface using some flags and parameters documented in the official documentation for Eclipse 2022-12.

Here are some links to more detailed explanations about both components and their respective flags:

Using JOGL flags

JOGL in addition with Glugen (both from JOGAMP) are the two libraries used in GAMA for 3D Graphics, Multimedia and Processing.

Available flags

Most of them are documented on the official documentation website.

Home

  1. What's new (Changelog)

Platform

  1. Installation and Launching
    1. Installation
    2. Launching GAMA
    3. Updating GAMA
    4. Installing Plugins
  2. Workspace, Projects and Models
    1. Navigating in the Workspace
    2. Changing Workspace
    3. Importing Models
  3. Editing Models
    1. GAML Editor (Generalities)
    2. GAML Editor Tools
    3. Validation of Models
  4. Running Experiments
    1. Launching Experiments
    2. Experiments User interface
    3. Controls of experiments
    4. Parameters view
    5. Inspectors and monitors
    6. Displays
    7. Batch Specific UI
    8. Errors View
  5. Running Headless
    1. Headless Batch
    2. Headless Server
    3. Headless Legacy
  6. Preferences
  7. Troubleshooting

Learn GAML step by step

  1. Introduction
    1. Start with GAML
    2. Organization of a Model
    3. Basic programming concepts in GAML
  2. Manipulate basic Species
  3. Global Species
    1. Regular Species
    2. Defining Actions and Behaviors
    3. Interaction between Agents
    4. Attaching Skills
    5. Inheritance
  4. Defining Advanced Species
    1. Grid Species
    2. Graph Species
    3. Mirror Species
    4. Multi-Level Architecture
  5. Defining GUI Experiment
    1. Defining Parameters
    2. Defining Displays Generalities
    3. Defining 3D Displays
    4. Defining Charts
    5. Defining Monitors and Inspectors
    6. Defining Export files
    7. Defining User Interaction
  6. Exploring Models
    1. Run Several Simulations
    2. Batch Experiments
    3. Exploration Methods
  7. Optimizing Model Section
    1. Runtime Concepts
    2. Optimizing Models
  8. Multi-Paradigm Modeling
    1. Control Architecture
    2. Defining Differential Equations

Recipes

  1. Manipulate OSM Data
  2. Diffusion
  3. Using Database
  4. Using FIPA ACL
  5. Using BDI with BEN
  6. Using Driving Skill
  7. Manipulate dates
  8. Manipulate lights
  9. Using comodel
  10. Save and restore Simulations
  11. Using network
  12. Headless mode
  13. Using Headless
  14. Writing Unit Tests
  15. Ensure model's reproducibility
  16. Going further with extensions
    1. Calling R
    2. Using Graphical Editor
    3. Using Git from GAMA

GAML References

  1. Built-in Species
  2. Built-in Skills
  3. Built-in Architecture
  4. Statements
  5. Data Type
  6. File Type
  7. Expressions
    1. Literals
    2. Units and Constants
    3. Pseudo Variables
    4. Variables And Attributes
    5. Operators [A-A]
    6. Operators [B-C]
    7. Operators [D-H]
    8. Operators [I-M]
    9. Operators [N-R]
    10. Operators [S-Z]
  8. Exhaustive list of GAMA Keywords

Developing GAMA

  1. Installing the GIT version
  2. Developing Extensions
    1. Developing Plugins
    2. Developing Skills
    3. Developing Statements
    4. Developing Operators
    5. Developing Types
    6. Developing Species
    7. Developing Control Architectures
    8. Index of annotations
  3. Introduction to GAMA Java API
    1. Architecture of GAMA
    2. IScope
  4. Using GAMA flags
  5. Creating a release of GAMA
  6. Documentation generation

Tutorials

  1. Predator Prey
  2. Road Traffic
  3. 3D Tutorial
  4. Incremental Model
  5. Luneray's flu
  6. BDI Agents

Community

  1. Team
  2. Projects using GAMA
  3. Scientific References
  4. Training Sessions

Versions of GAMA

Resources

  1. Videos
  2. Conferences
  3. Code Examples
  4. Pedagogical materials
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