/** * * Loads the pax file and does a nearest neighbor search to match the nearest geo record in time */ public void loadPax() { // Open pax file // for each line // create a PeopleRecord // match it to a Geo record try { CSVReader reader = new CSVReader(new FileReader(PAXFILE)); String[] nextLine; int lineCounter = 0; while ((nextLine = reader.readNext()) != null) { // nextLine[] is an array of values from the line if (lineCounter > 0) { int secSinceMidnight = Integer.parseInt(nextLine[8]); double[] key = new double[1]; key[0] = TIME_SHIFT + 1.0 * secSinceMidnight; GeoRecord matchingGeo = (GeoRecord) geoRecords.nearest(key); if (matchingGeo != null) { PeopleRecord pr = new PeopleRecord(nextLine); pr.setTimeShiftSeconds(TIME_SHIFT); matchingGeo.addPeopleRecord(pr); } else { System.err.println("Null Geo Returned!!"); } } lineCounter++; } } catch (Exception e) { System.err.println(e); } }
public void loadGeo() { try { CSVReader reader = new CSVReader(new FileReader(GEOFILE)); String[] nextLine; int lineCounter = 0; while ((nextLine = reader.readNext()) != null) { // nextLine[] is an array of values from the line if (lineCounter > 0) { GeoRecord newRecord = new GeoRecord(nextLine); double[] key = new double[1]; // Keep track of trps int tripNumber = newRecord.getTripId(); if (tripNumber > tripCounter) tripCounter = tripNumber; key[0] = newRecord.getSecondsSinceMidnight(); // Key the time range if (key[0] < firstTime) firstTime = key[0]; if (key[0] > lastTime) lastTime = key[0]; System.err.println("trying sec " + newRecord.getSecondsSinceMidnight()); geoRecords.insert(key, newRecord); } lineCounter++; } } catch (Exception e) { System.err.println(e); } }
/** Dumps the results as a series of KML's..one per trip */ public void writeKMLandCSV() { String csv_header = "INDEX,DATE,TIME,SECONDS_SINCE_MIDNIGHT,TRIP_ID,DIR,SPEED,LAT,LONG,ALT,EXITS,ENTRANCES"; try { CSVWriter writer = new CSVWriter(new FileWriter("bus_data.csv"), ','); // Write the header String[] entries = csv_header.split(","); writer.writeNext(entries); // Setup some style LineStyle lineStyle = new LineStyle(); lineStyle.setColor("ff005555"); lineStyle.setWidth(5.0); IconStyle peopleIconStyle = new IconStyle(); // Icon peopleIcon = new Icon(); // peopleIcon.setHref("http://maps.google.com/mapfiles/kml/man.png"); peopleIconStyle.setIconHref("http://maps.google.com/mapfiles/kml/shapes/man.png"); peopleIconStyle.setScale(1.50); IconStyle wpIconStyleNorth = new IconStyle(); // wpIcon.setHref("http://maps.google.com/mapfiles/kml/paddle/red-stars.png"); // wpIconStyleNorth.setIconHref("http://maps.google.com/mapfiles/kml/shapes/placemark_circle.png"); wpIconStyleNorth.setIconHref("http://maps.google.com/mapfiles/ms/micons/green-dot.png"); wpIconStyleNorth.setScale(0.50); IconStyle wpIconStyleSouth = new IconStyle(); // wpIcon.setHref("http://maps.google.com/mapfiles/kml/paddle/red-stars.png"); wpIconStyleSouth.setIconHref("http://maps.google.com/mapfiles/ms/micons/yellow-dot.png"); wpIconStyleSouth.setScale(0.50); Style style_lineStyle = new Style(); style_lineStyle.setLineStyle(lineStyle); Style style_peopleIconStyle = new Style(); style_peopleIconStyle.setId("peopleIcon"); style_peopleIconStyle.setIconStyle(peopleIconStyle); Style style_wpIconStyleNorth = new Style(); style_wpIconStyleNorth.setId("wpIconNorth"); style_wpIconStyleNorth.setIconStyle(wpIconStyleNorth); Style style_wpIconStyleSouth = new Style(); style_wpIconStyleSouth.setId("wpIconSouth"); style_wpIconStyleSouth.setIconStyle(wpIconStyleSouth); Kml[] kml = new Kml[tripCounter]; Document[] document = new Document[tripCounter]; Folder[] northFolders = new Folder[tripCounter]; Folder[] southFolders = new Folder[tripCounter]; Folder[] peopleFolders = new Folder[tripCounter]; // Folder[] tracksFolders = new Folder[tripCounter]; for (int i = 0; i < tripCounter; i++) { kml[i] = new Kml(); kml[i].setXmlIndent(true); document[i] = new Document(); document[i].addStyleSelector(style_lineStyle); document[i].addStyleSelector(style_peopleIconStyle); document[i].addStyleSelector(style_wpIconStyleNorth); document[i].addStyleSelector(style_wpIconStyleSouth); kml[i].setFeature(document[i]); northFolders[i] = new Folder(); northFolders[i].setName("North Route"); southFolders[i] = new Folder(); southFolders[i].setName("South Route"); peopleFolders[i] = new Folder(); peopleFolders[i].setName("People"); // tracksFolders[i] = new Folder(); // tracksFolders[i].setName("Tracks"); document[i].addFeature(northFolders[i]); document[i].addFeature(southFolders[i]); document[i].addFeature(peopleFolders[i]); // document[i].addFeature(tracksFolders[i]); } double[] lowerKey = new double[1]; double[] upperKey = new double[1]; lowerKey[0] = firstTime; upperKey[0] = lastTime; Object[] foo = geoRecords.range(lowerKey, upperKey); for (int i = 0; i < foo.length; i++) { GeoRecord nextRecord = (GeoRecord) foo[i]; int tripNumber = nextRecord.getTripId(); // System.out.println(foo[i]); if (nextRecord.getDirection().equals("N")) { northFolders[tripNumber - 1].addFeature(nextRecord.toKML()); } else { southFolders[tripNumber - 1].addFeature(nextRecord.toKML()); } if (nextRecord.getAssociatedPeople().size() > 0) { peopleFolders[tripNumber - 1].addFeature(nextRecord.toKMLWithPeople()); } // Write CSV entry String csvLine = nextRecord.toCSV(); String[] entries2 = csvLine.split(","); writer.writeNext(entries2); } // Write the KML files for (int i = 0; i < tripCounter; i++) { kml[i].createKml("bus_route" + i + ".kml"); } // Close the csv writer writer.close(); } catch (Exception e) { System.err.println(e); } }