2014/10/15 下午 10:08:56

iphone Programming Glossary: feet

How to calculate elevation like in runkeeper application

http://stackoverflow.com/questions/19156415/how-to-calculate-elevation-like-in-runkeeper-application

posted cumulative elevation gain is basically the sum of all increases in elevation. So for example say you hike 100 feet up then 100 feet down then 200 feet up then 250 feet down say a valley and then 100 feet up your gain would be 100 200 150.. elevation gain is basically the sum of all increases in elevation. So for example say you hike 100 feet up then 100 feet down then 200 feet up then 250 feet down say a valley and then 100 feet up your gain would be 100 200 150 450 feet. The.. basically the sum of all increases in elevation. So for example say you hike 100 feet up then 100 feet down then 200 feet up then 250 feet down say a valley and then 100 feet up your gain would be 100 200 150 450 feet. The last 150 is due to..

distance between android and iphone

http://stackoverflow.com/questions/20730115/distance-between-android-and-iphone

iBeacon. I plan on using allJoyn to send information. I would only like to send data to others that are within a few feet of me. Is there any way that I could get an accurate reading of distance on other phones Or can I get an accurate distance..

Convert GPS coordinates to coordinate plane

http://stackoverflow.com/questions/3588653/convert-gps-coordinates-to-coordinate-plane

be the differences in degrees in the GPS coordinates of the building's corners. Let delta_x 320 and delta_y 480 feet let's say . Then vertical_scale delta_y delta_lat with units feet degree latitude horizontal_scale delta_x cos latitude.. building's corners. Let delta_x 320 and delta_y 480 feet let's say . Then vertical_scale delta_y delta_lat with units feet degree latitude horizontal_scale delta_x cos latitude delta_long with units feet degree longitude. The cos latitude factor.. delta_y delta_lat with units feet degree latitude horizontal_scale delta_x cos latitude delta_long with units feet degree longitude. The cos latitude factor compensates for the varying length of 1 degree of longitude as one moves from..

How can you track motion using the iPhone's camera?

http://stackoverflow.com/questions/3933716/how-can-you-track-motion-using-the-iphones-camera

can you track motion using the iPhone's camera I saw that someone has made an app that tracks your feet using the camera so that you can kick a virtual football on your iPhone screen. How could you do something like this Does..

iOS: Movement Precision in 3D Space

http://stackoverflow.com/questions/5550453/ios-movement-precision-in-3d-space

planning to write an application where users will move with their phones in any direction but only need to move a few feet. Is there any technique maybe with the accelerometer and gyroscope that would enable this degree of accuracy For example..

track small movements of iphone with no GPS

http://stackoverflow.com/questions/6158176/track-small-movements-of-iphone-with-no-gps

the accelerometer. The distances I need to measure are rather small and the precision I'm looking for is 40 50cm ~2 feet at the very most. Is this possible If so what's the best way to go about it Also do you know of any existing and possibly..

iPhone REST client [closed]

http://stackoverflow.com/questions/630306/iphone-rest-client

simple like Heroku rest client Thx everybody for help. My server side is on Rails so looks like ObjectiveResource feet best of my needs. iphone web services rest share improve this question In case your REST service is implemented in..

iPhone Development on Hackintosh

http://stackoverflow.com/questions/644225/iphone-development-on-hackintosh

iPhone SDK on a Hackintosh As I am more of a hobbyist then a serious developer at present I'd basically like to get my feet wet before fully committing to this endeavor. In the long term I know that it would be better to purchase a Mac... iphone..

Distance to a location while user is in motion

http://stackoverflow.com/questions/8247820/distance-to-a-location-while-user-is-in-motion

newLocation distanceFromLocation fixedPoint self.distanceLabel.text NSString alloc initWithFormat @ Distance .1f feet meters 3.2808399 The label that is supposed to show the distance from the user to the point isn't updated constantly and..