private School findAppropriateSchool(int age, Point location) {
GeomVectorField zones;
if (age < 11) {
zones = elementarySchoolZones;
} else if (age < 15) {
zones = middleSchoolZones;
} else {
zones = highSchoolZones;
}
Bag catchment = zones.getContainingObjects(location);
if (catchment.numObjs != 1) {
System.out.format(
"Error: school search (age: %d, location: %s) found %d catchments.\n",
age, location, catchment.numObjs);
for (int i = 0; i < catchment.numObjs; i++) {
System.out.format(
" Catchment %d: %s\n",
i, ((MasonGeometry) catchment.get(i)).getAttribute("SCHID_3"));
}
return null;
}
MasonGeometry mg = (MasonGeometry) catchment.get(0);
Integer num = mg.getIntegerAttribute("SCHOOL_NUM");
return schoolMap.get(num);
}
private void addAgents() {
// Agent a = null;
for (int i = 0; i < NUM_AGENTS; i++) {
// pick a random political region to plop the agent in
Bag allRegions = county.getGeometries();
if (allRegions.isEmpty()) {
// Something went wrong. We *should* have regions.
throw new RuntimeException("No regions found.");
}
MasonGeometry region = ((MasonGeometry) allRegions.objs[random.nextInt(allRegions.numObjs)]);
// give each agent a random direction to initially move in
Agent a = new Agent(random.nextInt(8));
// set each agent in the center of corresponding region
a.setLocation(region.getGeometry().getCentroid());
// place the agents in the GeomVectorField
agents.addGeometry(new MasonGeometry(a.getGeometry()));
// add the new agent the schedule
schedule.scheduleRepeating(a);
}
}
private void countCatchments(GeomVectorField catchments) {
Bag geoms = catchments.getGeometries();
for (int i = 0; i < geoms.numObjs; i++) {
MasonGeometry mg = (MasonGeometry) geoms.get(i);
Integer num = mg.getIntegerAttribute("SCHOOL_NUM");
if (num != null) {
School s = schoolMap.get(num);
if (s != null) {
s.catchmentCount++;
} else {
System.out.format("School %s not found.\n", num);
}
}
}
}
private void createSchoolsFromData(GeomVectorField schoolField) {
Bag geoms = schoolField.getGeometries();
for (int i = 0; i < geoms.numObjs; i++) {
MasonGeometry mg = (MasonGeometry) geoms.get(i);
Integer num = mg.getIntegerAttribute("SCHOOL_NUM");
String name = mg.getStringAttribute("SCHOOL_NAM");
String type = mg.getStringAttribute("SCHOOL_TYP");
if (num != null) {
School s = new School(this, name, type);
schoolMap.put(num, s);
schools.add(s);
}
}
}