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Created April 20, 2011 17:44
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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 @@
- 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);
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Atomika commented Apr 21, 2011

Could you tell me or point me to how to, or where I can learn how to implement this code? I'm very interested to see the results of this app with greater precision, but am something of a novice currently and can't seem to get it working! Any help would be appreciated! Thanks!

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