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AMP/UserGuide/Escape/Getting Started

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Getting Started with Escape



Escape is installed by default with the other model components. If you want to do 3D (really 2 1/2) visualizations, you will want AGF3D and the LWJGL dependency. You can build from source but in that case you'l need to launch a self-hosted runtime, so it's best to simply install from the update site if you're not actually doing AMP development.

Running Example Models

People have different learning styles, but I like to look at running code and then understand how it works. All of the Ascape example models have been converted (a straightforward process) from their intial Ascape incarnations. For licensing reasons (they're BSD, not EPL) we can't host them directly on the Eclipse site. You can get the projects in two ways:

From Project Archive

From SVN

  • Import the SVN projects from the sourceforge SVN. For help, see [this page].

Of course you can also run generated Escape models. They're just Java and don't rely on any other artifacts so once they have been generated to the Escape target you can modify them in Java just as with any other Escape model. See Running Escape Examples for more on that.

Once you've downloaded the projects, open up the src folder and navigate to the Java files for the actual models. For example, to run Conway's Life, you'll want src/ Right-click on the Java file and select "Execute". There are many models to explore! More information on running models can be found here: AMP/Running_Examples Running Examples. (It's not always obvious which Java files are for models, so you may have to poke around a bit. We need to put together a catalog here. Another nice opportunity for user contributions.)

Developing Models

The easiest way for Java developers to get started doing agent-based modeling in Eclipse is to begin to write programs using it.To develop new models, you can:

  1. Create a new Escape project. The Escape projects are actually configured for AMF code generation so there are dependencies and builders in there that you don't need; you can remove all of the escape builders and any of the kitchen sink items. We'll try to get a POJO Escape project wizard out there at some point.
  2. But it might be simpler to just create a new Plugin Project and add the necessary dependencies there. Have a look at the example escape project to see what you need. Note that you will likely need more dependencies then you need to simply build -- this is because the class loader uses the classes from the project path and so runtime classes have to be there as well. We may simply package an Eclipse runtime convenience plugin to gather these dependencies up a bit.

Then just create new Java classes for your root model scape and agents just as you would for an Ascape project.

Converting Existing AscapeModels

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