// Sets up the color table for different vegetation
public static void setUpVegetationColorTable(PolygonVisualizer polygonVisualizer)
{
    // Create a keyed color attribute variable.
    // Set the default value to brown. 
    // This means all vegetation which are missing the Vegetation attribute
    // or not Vegetation Soil, Grass, Trees are visualized brown.
    KeyedColorAttributeVariable keyedColorAttributeVariable = 
        new KeyedColorAttributeVariable(
            new Atom("Vegetation"), new java.awt.Color(165, 42, 42));

    // Get the table from the keyed color attribute variable
    KeyedColorTable colorTable = keyedColorAttributeVariable.getTable();

    // Set the color sandyBrown for Vegetation = Soil
    colorTable.put("Soil", new java.awt.Color(244, 164, 96));

    // Set the color light green for Vegetation = Grass
    colorTable.put("Grass", new java.awt.Color(144, 238, 144));

    // Set the color dark green for Vegetation = Trees
    colorTable.put("Trees", new java.awt.Color(0, 100, 0));

    // This property is a member of a type that might be referred to by a View 
    // or a GlobeView, either directly or indirectly through other objects, which means 
    // that you must use the Guard class to take the global configuration lock when it 
    // is modified to synchronize access with any running Carmenta Engine threads.
    Guard guard = new Guard();
    try
    {
        // Set the color table in the polygon visualizer
        polygonVisualizer.setColor(keyedColorAttributeVariable);
    }
    finally
    {
        guard.dispose();
    }
}