I like playing with creating GPS tracks on the iPhone, and tried it with some Disneyland trips to see if I could find out how far we walk in a typical day. It didn't work too well, because even with turning off 3G, Wifi, and turning the screen brightness way down, it was only good for a couple hours or so before the battery drained.
Now that multitasking allows GPS apps to run in the background, I did an experiment with MotionxGPS. I charged the battery to 100%, started a track, and closed it down while I went about my day (mostly sitting at work). After 7 hours my battery was only down to 50%, and I had a 7 hour track that included driving home and going to the store later in the evening.
I'll try it for real this weekend, and see how it deals with going in and out of buildings. It would be a fun thing for WDW vacations, to see your route for a day, especially if you are park hopping.
There is the added benefit of geotagging photos you took with a camera that doesn't have GPS. There are programs you can download that check the times on a set of photos, cross reference them with the track, and tag the photos with the locations the track registered at the times the photos were taken.
That's another experiment I can try this weekend. Take some pictures with the digicam, reference them to the track, and see if they match up with other photos taken at the same place with the iPhone (which adds location data to photos automatically).
Now that multitasking allows GPS apps to run in the background, I did an experiment with MotionxGPS. I charged the battery to 100%, started a track, and closed it down while I went about my day (mostly sitting at work). After 7 hours my battery was only down to 50%, and I had a 7 hour track that included driving home and going to the store later in the evening.
I'll try it for real this weekend, and see how it deals with going in and out of buildings. It would be a fun thing for WDW vacations, to see your route for a day, especially if you are park hopping.
There is the added benefit of geotagging photos you took with a camera that doesn't have GPS. There are programs you can download that check the times on a set of photos, cross reference them with the track, and tag the photos with the locations the track registered at the times the photos were taken.
That's another experiment I can try this weekend. Take some pictures with the digicam, reference them to the track, and see if they match up with other photos taken at the same place with the iPhone (which adds location data to photos automatically).
