public void updateGraph(
List<ClusterRectangle> clusterRectangles, List<Period> indoorPeriods, String android_id) {
// Graph Update
// Make Graph
Configuration conf = new BaseConfiguration();
conf.setProperty("storage.backend", "cassandra");
conf.setProperty("storage.hostname", "127.0.0.1");
TitanGraph g = TitanFactory.open(conf);
// Get Smartphone Vertex
Vertex v = TitanHelper.getVertex(g, "android_id", android_id);
if (v == null) {
v = g.addVertex(null);
v.setProperty("android_id", android_id);
v.setProperty("ltype", "Object");
}
// Process Outdoor Cluster
for (int i = 0; i < clusterRectangles.size(); i++) {
ClusterRectangle clusterRectangle = clusterRectangles.get(i);
double minLon = clusterRectangle.getMinLon();
double minLat = clusterRectangle.getMinLat();
double maxLon = clusterRectangle.getMaxLon();
double maxLat = clusterRectangle.getMaxLat();
for (int j = 0; j < clusterRectangle.getPeriods().size(); j++) {
Vertex place = g.addVertex(null);
place.setProperty("ltype", "Place.outdoor");
place.setProperty("minLon", minLon);
place.setProperty("minLat", minLat);
place.setProperty("maxLon", maxLon);
place.setProperty("maxLat", maxLat);
Period period = clusterRectangle.getPeriods().get(j);
long from = period.getFrom() * 1000;
long to = period.getTo() * 1000;
Edge isLocatedIn = g.addEdge(null, v, place, "isLocatedIn");
Edge isContaining = g.addEdge(null, place, v, "isContaining");
isLocatedIn.setProperty("from", from);
isLocatedIn.setProperty("to", to);
isContaining.setProperty("from", from);
isContaining.setProperty("to", to);
}
}
// Process Indoor Points
for (int i = 0; i < indoorPeriods.size(); i++) {
Period indoor = indoorPeriods.get(i);
Vertex place = g.addVertex(null);
place.setProperty("ltype", "Place.indoor");
place.setProperty("longitude", indoor.getLongitude());
place.setProperty("latitude", indoor.getLatitude());
place.setProperty("from", indoor.getFrom());
place.setProperty("to", indoor.getTo());
}
g.commit();
g.shutdown();
}
/**
* @param string
* @param indoorPeriods
*/
private void makeRIndoorPoint(String path, List<Period> indoorPeriods) {
String outStr = "lon\tlat\n";
for (int i = 0; i < indoorPeriods.size(); i++) {
Period period = indoorPeriods.get(i);
double longitude = period.getLongitude();
double latitude = period.getLatitude();
outStr += "\t" + longitude + "\t" + latitude + "\n";
}
try {
BufferedWriter writer = new BufferedWriter(new FileWriter(path));
writer.write(outStr);
writer.close();
} catch (Exception ex) {
}
}
@SuppressWarnings("unused")
public void doVisualization(
List<String> clusterMembers,
String manipulatedString,
List<Period> indoorPeriods,
HttpServletRequest request)
throws IOException {
System.out.println(" [Location Clusterer] : Make Regions for Clusters.............");
List<ClusterRectangle> clusterRectangles = new ArrayList<ClusterRectangle>();
for (int i = 0; i < clusterMembers.size(); i++) {
makeRLocationData("/home/jack/RTest/Data" + i + ".txt", clusterMembers.get(i));
makeRLocationClusters("/home/jack/RTest/Cluster" + i + ".txt", clusterMembers.get(i));
}
makeRIndoorPoint("/home/jack/RTest/Indoor.txt", indoorPeriods);
System.out.println(
" [Location Clusterer] : [Debug] Getting Time periods for each cluster.............");
for (int i = 0; i < clusterRectangles.size(); i++) {
ClusterRectangle cr = clusterRectangles.get(i);
List<Period> ps = cr.getPeriods();
System.out.println(cr.toString());
for (int j = 0; j < ps.size(); j++) {
Period p = ps.get(j);
System.out.print("\t");
System.out.println(p.toString());
}
}
System.out.println(" [Location Clusterer] : Make R Script for Visualization.............");
int zoom = 14;
if (request.getParameter("zoom") != null) zoom = Integer.parseInt(request.getParameter("zoom"));
makeRScript("/home/jack/RTest/Script.txt", manipulatedString, clusterMembers, zoom);
System.out.println(" [Location Clusterer] : Invoke R Command.............");
String[] cmd = new String[] {"R", "CMD", "BATCH", "/home/jack/RTest/Script.txt"};
Process process = new ProcessBuilder(cmd).start();
}
public List<Period> getIndoorData(String manipulatedString) {
/*
* 127.36504046 36.3742216 9.0 1407381330
* 127.36506211 36.37423924 11.0 1407381340
* 127.36496859 36.37421911 11.0 1407381350
* 127.3648429 36.37416071 11.0 1407381360
* 127.36469597 36.37409721 11.0 1407381370
*/
List<Period> indoorPeriods = new ArrayList<Period>();
String[] lines = manipulatedString.split("\n");
boolean isIndoorStart = false;
Period period = new Period();
long lastPeriod = 0;
for (int i = 0; i < lines.length; i++) {
String line = lines[i];
String[] elements = line.split("\t");
if (elements.length == 4) {
int numSatellites = (int) Double.parseDouble(elements[2]);
if (isIndoorStart == false && numSatellites < 6) {
isIndoorStart = true;
period = new Period();
period.setLongitude(Double.parseDouble(elements[0]));
period.setLatitude(Double.parseDouble(elements[1]));
period.setFrom(Long.parseLong(elements[3]));
} else if (isIndoorStart == false && numSatellites != 0) {
// Keep going
} else if (isIndoorStart == true && numSatellites == 0) {
// Keep going
} else if (isIndoorStart == true && numSatellites >= 6) {
isIndoorStart = false;
period.setTo(Long.parseLong(elements[3]));
// We assume that Staying a place over 10 minutes is indoor
if (period.getTo() - period.getFrom() >= 600) {
// System.out.println(" [Location Clusterer] : [DEBUG] Success " + (period.getTo() -
// period.getFrom()));
indoorPeriods.add(period);
} else {
// System.out.println(" [Location Clusterer] : [DEBUG] Fail " + (period.getTo() -
// period.getFrom()));
}
}
lastPeriod = Long.parseLong(elements[3]);
}
}
if (isIndoorStart == true) {
period.setTo(lastPeriod);
// We assume that Staying a place over 10 minutes is indoor
if (period.getTo() - period.getFrom() >= 600) {
// System.out.println(" [Location Clusterer] : [DEBUG] Success " + (period.getTo() -
// period.getFrom()));
indoorPeriods.add(period);
} else {
// System.out.println(" [Location Clusterer] : [DEBUG] Fail " + (period.getTo() -
// period.getFrom()));
}
}
return indoorPeriods;
}