gistfile1.txt

                                // Location value is special
                                double latitude = (rand.nextInt(180000)/1000.0) - 90.0;
                                double longitude = (rand.nextInt(360000)/1000.0) - 180.0;
                                
                                Map<String, Double> location = new HashMap<String,Double>();
                                location.put("latitude", latitude);
                                location.put("longitude", longitude);
                                
                                r.putDataField(v.getColumnByApiIdentifier("location"), location);