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Version: 🚧 1.9.4 🚧

3. Connections

Formulation​

  • Mapping the network of connection

3D tutorial: creation of a 3D distance graph amon cells.

Model Definition​

In this final step, we will display edges between cells that are within a given distance.

Cells update​

We add a new reflex to collect the neighbors of the cell that are within a certain distance:

species cells skills:[moving3D]{
...
    reflex compute_neighbors {
        neighbors <- cells select ((each distance_to self) < 10);
    }  	
}

Then we update the cell aspect as follows. For each element (cells) of the neighbors list, we draw a line between this neighbor's location and the current cell's location.

aspect default {
    draw sphere(environment_size*0.01) color: #orange;
    loop pp over: neighbors {
        draw line([self.location,pp.location]);
    }	
}

Complete Model​

https://github.com/gama-platform/gama.old/blob/GAMA_1.9.2/msi.gama.models/models/Tutorials/3D/models/Model%2003.gaml