gistfile1.diff

diff --git a/iPhoneTrackingAppDelegate.m b/iPhoneTrackingAppDelegate.m
index 1d22ecb..4af2bcf 100644
--- a/iPhoneTrackingAppDelegate.m
+++ b/iPhoneTrackingAppDelegate.m
@@ -146,7 +146,7 @@
     return NO;
   }

-  const float precision = 100;
+  const float precision = 10000;
   NSMutableDictionary* buckets = [NSMutableDictionary dictionary];

   NSString* queries[] = {@"SELECT * FROM CellLocation;", @"SELECT * FROM WifiLocation;"};
@@ -176,12 +176,12 @@
         continue;
       }

-      const float weekInSeconds = (7*24*60*60);
+      const float weekInSeconds = (360);
       const float timeBucket = (floor(unixTimestamp/weekInSeconds)*weekInSeconds);

       NSDate* timeBucketDate = [NSDate dateWithTimeIntervalSince1970:timeBucket];

-      NSString* timeBucketString = [timeBucketDate descriptionWithCalendarFormat:@"%Y-%m-%d" timeZone:nil locale:nil];
+      NSString* timeBucketString = [timeBucketDate descriptionWithCalendarFormat:@"%Y-%m-%d-%H" timeZone:nil locale:nil];

       const float latitude_index = (floor(latitude*precision)/precision);
       const float longitude_index = (floor(longitude*precision)/precision);