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2014/10/15 ¤U¤È 10:07:09
iphone Programming Glossary: distancehttp://stackoverflow.com/questions/1166444/mkmapview-zoom-and-region of the region. However span which is a MKCoordinateSpan consists of latitudeDelta the vertical distance represented by the region and longitudeDelta the horizontal distance represented by the region . A brief.. of latitudeDelta the vertical distance represented by the region and longitudeDelta the horizontal distance represented by the region . A brief example. Here's a toy MKCoordinateRegion center latitude 0 longitude..
Is there a good tutorial for implementing an augmented reality iPhone application? [closed] http://stackoverflow.com/questions/2084327/is-there-a-good-tutorial-for-implementing-an-augmented-reality-iphone-applicatio of UIImagePickerController in 3.0 . You will probably want to get information location heading distance etc. from the GPS of the device using the CoreLocation framework. You will also probably want to do..
Drawing a route in mapkit in iphone sdk http://stackoverflow.com/questions/2834523/drawing-a-route-in-mapkit-in-iphone-sdk When the tourist clicks another location I want to be able to draw route as well as inform the distance from current location. I am aware of sites on the internet which tell how to draw polylines on map...
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare D 1 1 D 0 and D 0 are left out in the MIN. If we are comparing arrays A and B then Dist i j is the distance between A i and B j . I simply used ABS A i B j . The cost matrices for this example For Array 1 we..
Need to find Distance using Gyro+Accelerometer http://stackoverflow.com/questions/6647314/need-to-find-distance-using-gyroaccelerometer I want to build an app that calculates accurate Distance travelled by iPhone not long distance using Gyro Accelerometer. No need for GPS here. Can you help me here with some useful information or.. you help me here with some useful information or tutorial Thanks in advance. iphone accelerometer distance gyroscope share improve this question Basic calculus behind this problem is in the expression and.. do dl sqrt dx dx dy dy dz dz Gyroscope is not necessary for this but if you are measuring linear distances you can use the gyroscope reading to control that rotation of the device was not too large. If rotation..
http://stackoverflow.com/questions/1166444/mkmapview-zoom-and-region . The center point should be obvious it's the center point of the region. However span which is a MKCoordinateSpan consists of latitudeDelta the vertical distance represented by the region and longitudeDelta the horizontal distance represented by the region . A brief example. Here's a toy MKCoordinateRegion center latitude.. region. However span which is a MKCoordinateSpan consists of latitudeDelta the vertical distance represented by the region and longitudeDelta the horizontal distance represented by the region . A brief example. Here's a toy MKCoordinateRegion center latitude 0 longitude 0 span latitudeDelta 8 longitudeDelta 6 The region could..
Is there a good tutorial for implementing an augmented reality iPhone application? [closed] http://stackoverflow.com/questions/2084327/is-there-a-good-tutorial-for-implementing-an-augmented-reality-iphone-applicatio on the view via a custom .cameraOverlayView which is a property of UIImagePickerController in 3.0 . You will probably want to get information location heading distance etc. from the GPS of the device using the CoreLocation framework. You will also probably want to do some web server interactions and for that I suggest ASIHTTPRequest...
Drawing a route in mapkit in iphone sdk http://stackoverflow.com/questions/2834523/drawing-a-route-in-mapkit-in-iphone-sdk between 2 locations on the map. Something as a tour guide. When the tourist clicks another location I want to be able to draw route as well as inform the distance from current location. I am aware of sites on the internet which tell how to draw polylines on map. But most of the examples had a preloaded .csv file with various..
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare applied. In short columns are computed first starting from D 1 1 D 0 and D 0 are left out in the MIN. If we are comparing arrays A and B then Dist i j is the distance between A i and B j . I simply used ABS A i B j . The cost matrices for this example For Array 1 we have 13 as score for Array 2 we have 5. The lower score wins..
Need to find Distance using Gyro+Accelerometer http://stackoverflow.com/questions/6647314/need-to-find-distance-using-gyroaccelerometer to find Distance using Gyro Accelerometer I want to build an app that calculates accurate Distance travelled by iPhone not long distance using Gyro Accelerometer. No need for GPS here. Can you help me here with some useful information or tutorial Thanks in advance. iphone accelerometer distance.. using Gyro Accelerometer. No need for GPS here. Can you help me here with some useful information or tutorial Thanks in advance. iphone accelerometer distance gyroscope share improve this question Basic calculus behind this problem is in the expression and similar expressions for displacements in y and z and basic.. 2 dt 3 dt ... n 1 dt. To find the total displacement you just do dl sqrt dx dx dy dy dz dz Gyroscope is not necessary for this but if you are measuring linear distances you can use the gyroscope reading to control that rotation of the device was not too large. If rotation was too strong make the user re do the measurement. share..
Drawing rotated text with NSString drawInRect http://stackoverflow.com/questions/10289898/drawing-rotated-text-with-nsstring-drawinrect In the example below I rotate the context counterclockwise 90 degrees. Then I translate the tx of the context the distance of the height. void drawRect CGRect rect CGContextRef context UIGraphicsGetCurrentContext CGContextSaveGState context CGColorSpaceRef..
http://stackoverflow.com/questions/1059101/font-size-in-pixels Just remember that every glyph varies in height and width so this is a very rough estimate of size. Generally the distance between baselines will be a bit larger than the font's point size so that lines of text don't crash into each other. If..
http://stackoverflow.com/questions/1166444/mkmapview-zoom-and-region it's the center point of the region. However span which is a MKCoordinateSpan consists of latitudeDelta the vertical distance represented by the region and longitudeDelta the horizontal distance represented by the region . A brief example. Here's.. consists of latitudeDelta the vertical distance represented by the region and longitudeDelta the horizontal distance represented by the region . A brief example. Here's a toy MKCoordinateRegion center latitude 0 longitude 0 span latitudeDelta..
Is there a good tutorial for implementing an augmented reality iPhone application? [closed] http://stackoverflow.com/questions/2084327/is-there-a-good-tutorial-for-implementing-an-augmented-reality-iphone-applicatio which is a property of UIImagePickerController in 3.0 . You will probably want to get information location heading distance etc. from the GPS of the device using the CoreLocation framework. You will also probably want to do some web server interactions..
Drawing a route in mapkit in iphone sdk http://stackoverflow.com/questions/2834523/drawing-a-route-in-mapkit-in-iphone-sdk as a tour guide. When the tourist clicks another location I want to be able to draw route as well as inform the distance from current location. I am aware of sites on the internet which tell how to draw polylines on map. But most of the examples..
http://stackoverflow.com/questions/3844557/uiview-shake-animation animation forKey @ position You'll have to play with the duration and repeatCount parameters as well as the x distance from center in the from and to values but it should give you what you need. I hope that helps. Let me know if you have any..
distanceFromLocation - Calculate distance between two points http://stackoverflow.com/questions/3905896/distancefromlocation-calculate-distance-between-two-points Calculate distance between two points Just a quick question on Core Location I'm trying to calculate the distance.. Calculate distance between two points Just a quick question on Core Location I'm trying to calculate the distance between two points code.. Calculate distance between two points Just a quick question on Core Location I'm trying to calculate the distance between two points code is below void locationChange CLLocation newLocation CLLocation oldLocation Configure the new event..
Store orientation to an array - and compare http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare first starting from D 1 1 D 0 and D 0 are left out in the MIN. If we are comparing arrays A and B then Dist i j is the distance between A i and B j . I simply used ABS A i B j . The cost matrices for this example For Array 1 we have 13 as score for..
Calculate new coordinate x meters and y degree away from one coordinate http://stackoverflow.com/questions/6633850/calculate-new-coordinate-x-meters-and-y-degree-away-from-one-coordinate involving latitude longitude and sample JavaScript code. Specifically the section titled Destination point given distance and bearing from start point shows how to calculate what you're asking. The JavaScript code is at the bottom of that page.. radians 180.0 M_PI CLLocationCoordinate2D coordinateFromCoord CLLocationCoordinate2D fromCoord atDistanceKm double distanceKm atBearingDegrees double bearingDegrees double distanceRadians distanceKm 6371.0 6 371 Earth's radius in km double bearingRadians.. CLLocationCoordinate2D fromCoord atDistanceKm double distanceKm atBearingDegrees double bearingDegrees double distanceRadians distanceKm 6371.0 6 371 Earth's radius in km double bearingRadians self radiansFromDegrees bearingDegrees double..
Distance moved by Accelerometer http://stackoverflow.com/questions/6645126/distance-moved-by-accelerometer it Thank you. P.S I looked for a while and seems like it is possible using accelerometer. iphone xcode accelerometer distance share improve this question You get position by integrating the linear acceleration twice but the error is horrible...
Need to find Distance using Gyro+Accelerometer http://stackoverflow.com/questions/6647314/need-to-find-distance-using-gyroaccelerometer using Gyro Accelerometer I want to build an app that calculates accurate Distance travelled by iPhone not long distance using Gyro Accelerometer. No need for GPS here. Can you help me here with some useful information or tutorial Thanks in.. for GPS here. Can you help me here with some useful information or tutorial Thanks in advance. iphone accelerometer distance gyroscope share improve this question Basic calculus behind this problem is in the expression and similar expressions.. displacement you just do dl sqrt dx dx dy dy dz dz Gyroscope is not necessary for this but if you are measuring linear distances you can use the gyroscope reading to control that rotation of the device was not too large. If rotation was too strong..
GPS coordinates in degrees to calculate distances http://stackoverflow.com/questions/6994101/gps-coordinates-in-degrees-to-calculate-distances coordinates in degrees to calculate distances On the iPhone I get the user's location in decimal degrees for example latitude 39.470920 and longitude 0.373192 That's.. point A. I need to create a line with another GPS coordinate also in decimal degrees point B. Then calculate the distance perpendicular between the line from A to B and another point C. The problem is I get confused with the values in degrees... formula to compute this look like iphone ios4 map gps share improve this question Why don't you use CLLocation s distanceFromLocation method It will tell you the precise distance between the receiver and another CLLocation. CLLocation locationA..
Finding the closest point to a given point http://stackoverflow.com/questions/913576/finding-the-closest-point-to-a-given-point generally there is . I would probably build an octree in Euler geocentric XYZ space because that allows me to get true distance not warped lat lon distance. However in practice a quad tree in lat lon space will probably work well enough. Once you have.. probably build an octree in Euler geocentric XYZ space because that allows me to get true distance not warped lat lon distance. However in practice a quad tree in lat lon space will probably work well enough. Once you have a hit you hold on to that..
Distance between two coordinates with CoreLocation http://stackoverflow.com/questions/1348604/distance-between-two-coordinates-with-corelocation between two coordinates with CoreLocation I need to calculate the distance in meters and miles between two coordinates.. from the receiver ™s coordinate to the coordinate of the specified location. Deprecated in iOS 3.2 method CLLocationDistance getDistanceFrom const CLLocation location Correct method CLLocationDistance distanceFromLocation const CLLocation location.. receiver ™s coordinate to the coordinate of the specified location. Deprecated in iOS 3.2 method CLLocationDistance getDistanceFrom const CLLocation location Correct method CLLocationDistance distanceFromLocation const CLLocation location CLLocation..
Finding Distance from RSSI value of bluetooth low energy enable device http://stackoverflow.com/questions/13705647/finding-distance-from-rssi-value-of-bluetooth-low-energy-enable-device Distance from RSSI value of bluetooth low energy enable device I am working on Bluetooth low energy concept project. I am getting..
How to find the distance between two CG points? http://stackoverflow.com/questions/1906511/how-to-find-the-distance-between-two-cg-points 2 points so that i can compare Anyone have an idea how to do this iphone cocoa touch share improve this question Distance between p1 and p2 CGFloat xDist p2.x p1.x CGFloat yDist p2.y p1.y CGFloat distance sqrt xDist xDist yDist yDist Background..
Calculate number of differences between two NSStrings http://stackoverflow.com/questions/2397348/calculate-number-of-differences-between-two-nsstrings missing space iphone nsstring comparison share improve this question What you're looking for is the Levenshtein Distance . An implementation in Objective C NSString Levenshtein.h Created by Rick Bourner on Sat Aug 09 2003. rick@bourner.com.. mean distance between all words in stringA and stringB float compareWithString NSString stringB float averageSmallestDistance 0.0 float smallestDistance float distance NSMutableString mStringA NSMutableString alloc initWithString self NSMutableString.. words in stringA and stringB float compareWithString NSString stringB float averageSmallestDistance 0.0 float smallestDistance float distance NSMutableString mStringA NSMutableString alloc initWithString self NSMutableString mStringB NSMutableString..
How do I calculate the distance between two points of latitude and longitude? http://stackoverflow.com/questions/2652167/how-do-i-calculate-the-distance-between-two-points-of-latitude-and-longitude lat1 longitude long1 CLLocation location2 CLLocation alloc initWithLatitude lat2 longitude long2 NSLog @ Distance i meters f location1 distanceFromLocation location2 location1 release location2 release You also need to add CoreLocation.framework..
How to measure distance between two iphone devices using bluetooth? http://stackoverflow.com/questions/3624945/how-to-measure-distance-between-two-iphone-devices-using-bluetooth in the following on my iPhone application. My iPhone is connected to another iPhone Harry's iPhone. In this case Distance 3m 45.3cm Accuracy milimeter Direction North East one of 8 available directions Does anyone know how to do this If I get..
Levenshtein Distance Algorithm better than O(n*m)? http://stackoverflow.com/questions/4057513/levenshtein-distance-algorithm-better-than-onm Distance Algorithm better than O n m I have been looking for an advanced levenshtein distance algorithm and the best I have found..
UISwipeGestureRecognizer Swipe length http://stackoverflow.com/questions/4828833/uiswipegesturerecognizer-swipe-length
I want To track The Speed Of the fingure movement in pixel Per Second Is It Possible Any WaY? http://stackoverflow.com/questions/5075291/i-want-to-track-the-speed-of-the-fingure-movement-in-pixel-per-second-is-it-poss distance sqrt xMove xMove yMove yMove NSLog @ TimeInterval f interval NSLog @ Move 5.2f 5.2f xMove yMove NSLog @ Distance 5.2f distance NSLog @ Speed 5.2f distance interval Apologies if I've made a faux pas with any memory management I'm still..
Distance moved by Accelerometer http://stackoverflow.com/questions/6645126/distance-moved-by-accelerometer moved by Accelerometer I want to move objects on iPhone screen rectangle circle and so on by moving iPhone. For example..
Need to find Distance using Gyro+Accelerometer http://stackoverflow.com/questions/6647314/need-to-find-distance-using-gyroaccelerometer to find Distance using Gyro Accelerometer I want to build an app that calculates accurate Distance travelled by iPhone not long distance.. to find Distance using Gyro Accelerometer I want to build an app that calculates accurate Distance travelled by iPhone not long distance using Gyro Accelerometer. No need for GPS here. Can you help me here with some useful..
Distance to a location while user is in motion http://stackoverflow.com/questions/8247820/distance-to-a-location-while-user-is-in-motion to a location while user is in motion I'm in the process of writing an application that shows the user's distance from.. the code shown below void viewDidLoad locationManager CLLocationManager alloc init locationManager.distanceFilter kCLDistanceFilterNone locationManager.desiredAccuracy kCLLocationAccuracyBest locationManager startUpdatingLocation void locationManager.. CLLocationManager manager didUpdateToLocation CLLocation newLocation fromLocation CLLocation oldLocation CLLocationDistance meters newLocation distanceFromLocation fixedPoint self.distanceLabel.text NSString alloc initWithFormat @ Distance .1f..
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