/**
* Randomly samples a coordinate from within a zone.
*
* <p>TODO This must still be implemented once we have a shapefile for the transport zones (TZs)
* for City of Cape Town.
*
* @param zone
* @return
*/
private Coord sampleCoord(String zone, String activityType) {
MyZone mz = null;
if (zone.equals("") || zone.equals(" ")) {
/* Do nothing; don't try and get a zone. */
} else {
mz = zoneMap.get(zone);
if (mz == null) {
LOG.error("Cannot find zone " + zone + " in Map.");
}
}
/* Update the map indicating how many of each activity occurs in
* each zone. */
if (mz != null) {
ObjectAttributes oa = mz.getObjectAttributes();
Object o = oa.getAttribute(mz.getId().toString(), activityType);
if (o == null) {
oa.putAttribute(mz.getId().toString(), activityType, 1);
} else {
if (o instanceof Integer) {
int oldValue = (int) o;
oa.putAttribute(mz.getId().toString(), activityType, oldValue + 1);
} else {
LOG.error(
"The activity count for zone "
+ mz.getId().toString()
+ "'s activity type '"
+ activityType
+ " should of type Integer, but is "
+ o.getClass().toString());
}
}
}
double x = 0.0;
double y = 0.0;
if (mz != null) {
Point p = mz.sampleRandomInteriorPoint();
x = p.getX();
y = p.getY();
} else {
numberOfUnknownActivityLocations++;
}
Coord c = CoordUtils.createCoord(x, y);
return c;
}
