¡@
2014/10/15 ¤U¤È 10:09:59
iphone Programming Glossary: headingiPhone 3.0 Compass: how to get a heading? http://stackoverflow.com/questions/1043740/iphone-3-0-compass-how-to-get-a-heading 3.0 Compass how to get a heading I'm relatively new to Objective C and really don't know much about it yet so I apologise for what is probably a really.. much about it yet so I apologise for what is probably a really amateurish question. I'm trying to get the magnetic heading from CLHeading and CLLocationDirection. However I'm getting compile errors for this line of code locationLabel.text location.. share improve this question Here are the steps needed to use the compass. 1 check the availability if the headingAvailable property of the location manager is YES then you can use the compass. 2 use the location manager method void startUpdatingHeading..
Indoor navigation hardware/software requirements for iOS http://stackoverflow.com/questions/15732181/indoor-navigation-hardware-software-requirements-for-ios accuracy as Wifi roughly 5 meters Dead reckoning uses an accelerometer gyroscope and compass to calculate the speed of heading of the user. Needs to be initialized and calibrated regularly by another absolute positioning technique. Subject to drift..
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..
iPhone GCC / LLVM GCC or LLVM? http://stackoverflow.com/questions/3739783/iphone-gcc-llvm-gcc-or-llvm
how to get rid of heading and trailing white spaces from NSString http://stackoverflow.com/questions/3800206/how-to-get-rid-of-heading-and-trailing-white-spaces-from-nsstring to get rid of heading and trailing white spaces from NSString My NSString is like this NSString myString œ\n n 24 K CLUB œ\n n 3 DOLLAR CAFE œ\n..
http://stackoverflow.com/questions/4130821/iphone-compass-gps-direction point in image ^ iphone gps location compass geolocation share improve this question There is a standard heading or bearing equation that you can use if you are at lat1 lon1 and the point you are interested in is at lat2 lon2 then the.. that you can use if you are at lat1 lon1 and the point you are interested in is at lat2 lon2 then the equation is heading atan2 sin lon2 lon1 cos lat2 cos lat1 sin lat2 sin lat1 cos lat2 cos lon2 lon1 This gives you a bearing in radians which..
Apps with placeholder text will be rejected [closed] http://stackoverflow.com/questions/4472632/apps-with-placeholder-text-will-be-rejected share improve this question If you are referring to the Apple App Store Review Guidelines under the Metadata heading then it simply means your application must have all metadata fields completed. Neither your app nor its descriptive data..
http://stackoverflow.com/questions/4894923/augmented-reality-movement Get a coordinate for each object using http itouchmap.com latlong.html google's geocoding API or any other means. Get heading updates from the location manager. Calculate the angle from your position to the position of each object using atan. You.. view of your camera. For the iPhone 3 it is 35.5 and 53. If your angle is 35.5 2 degrees horizontally around your heading then show the object. For objects on the ground in the same city or closer you can disregard the altitude and the arc of.. between the degrees of the field view to get pixels per degree and multiply that by the offset of the object from your heading. This is easy stuff so I wrote an example project . It is not a library the point is to show you where to start. From there..
Point to location using compass http://stackoverflow.com/questions/5092845/point-to-location-using-compass I have calculated the degress from the user's location to the location of the annotation and I have the magnetic heading and the true heading of the iPhone. Also I know how to rotate an image. But I can't figure out what the next step is. The.. the degress from the user's location to the location of the annotation and I have the magnetic heading and the true heading of the iPhone. Also I know how to rotate an image. But I can't figure out what the next step is. The degrees between the.. 270 else result atan dy dx 180 M_PI if dx 0 result result 180 if result 0 result result 360 The true and the magnetic heading is retrieved like this void locationManager CLLocationManager manager didUpdateHeading CLHeading newHeading arrow.transform..
How to set accuracy and distance filter when using MKMapView http://stackoverflow.com/questions/5930612/how-to-set-accuracy-and-distance-filter-when-using-mkmapview Default value is kCLDistanceFilterNone all movements are reported. self.locationManager.distanceFilter 10.0f Notify heading changes when heading is 5. Default value is kCLHeadingFilterNone all movements are reported. self.locationManager.headingFilter.. all movements are reported. self.locationManager.distanceFilter 10.0f Notify heading changes when heading is 5. Default value is kCLHeadingFilterNone all movements are reported. self.locationManager.headingFilter 5 update location.. changes when heading is 5. Default value is kCLHeadingFilterNone all movements are reported. self.locationManager.headingFilter 5 update location if CLLocationManager locationServicesEnabled self.locationManager startUpdatingLocation To recenter..
http://stackoverflow.com/questions/6769345/xcode-4-valid-signing-identity-not-found-error-on-provisioning-profiles-on-a 2 . Select the Devices tab. Choose Developer Profile in the upper left corner under LIBRARY which may be under the heading library or under a heading called TEAMS. Choose Export near the bottom left side of the window. Xcode asks you to choose.. tab. Choose Developer Profile in the upper left corner under LIBRARY which may be under the heading library or under a heading called TEAMS. Choose Export near the bottom left side of the window. Xcode asks you to choose a file name and password...
http://stackoverflow.com/questions/6851660/version-vs-build-in-xcode-4 load the project settings editor. On the left hand side of the center window pane click on your app under the TARGETS heading. You will need to configure this setup for each project target. Select the Build Phases tab. In Xcode 4 at the bottom right..
How to rotate a Direction Arrow to particular location http://stackoverflow.com/questions/7173925/how-to-rotate-a-direction-arrow-to-particular-location code may help you void locationManager CLLocationManager manager didUpdateHeading CLHeading newHeading Use the true heading if it is valid. CLLocationDirection direction newHeading.magneticHeading CGFloat radians direction 180.0 M_PI self.strAccuracy.. CGFloat radians direction 180.0 M_PI self.strAccuracy NSString stringWithFormat @ .1fmi newHeading.headingAccuracy lblAccuracy setText self.strAccuracy Rotate Bearing View self rotateBearingView bearingView radians radians For..
Optimizing CLLocationManager/CoreLocation to retrieve data points faster on the iPhone http://stackoverflow.com/questions/1081219/optimizing-cllocationmanager-corelocation-to-retrieve-data-points-faster-on-the Send the update to our delegate self.delegate newLocationUpdate currentLocation If you have a iPhone 3GS getting Heading updates is a lot easier here's the code in the same module as above This is the Heading or Compass values void locationManager.. you have a iPhone 3GS getting Heading updates is a lot easier here's the code in the same module as above This is the Heading or Compass values void locationManager CLLocationManager manager didUpdateHeading CLHeading newHeading if newHeading.headingAccuracy.. the same module as above This is the Heading or Compass values void locationManager CLLocationManager manager didUpdateHeading CLHeading newHeading if newHeading.headingAccuracy 0 newHeading retain headingType YES for True North or NO for Magnetic..
URL for sending a user to the app review page on device's app store http://stackoverflow.com/questions/3374050/url-for-sending-a-user-to-the-app-review-page-on-devices-app-store open the App Store app directly rather than the review page. This article Dissecting iTunes links explains everything. Heading straight to a review form It ™s also possible to send someone straight to the review form for an app. https userpub.itunes.apple.com..
http://stackoverflow.com/questions/3537795/uimenucontroller-custom-items id sender BOOL answer NO if action @selector item1 answer YES return answer The problem is it still shows other## Heading ## items such as Select Select All and Paste . This may have something to do with this being displayed in a UITextView ...
Saving Geotag info with photo on iOS4.1 http://stackoverflow.com/questions/3884060/saving-geotag-info-with-photo-on-ios4-1 gps setObject NSNumber numberWithFloat location.speed 3.6 forKey NSString kCGImagePropertyGPSSpeed Heading if location.course 0 gps setObject @ T forKey NSString kCGImagePropertyGPSTrackRef gps setObject NSNumber numberWithFloat..
XCODE trying to search and replace in localy loaded html http://stackoverflow.com/questions/6668579/xcode-trying-to-search-and-replace-in-localy-loaded-html searchText typeof replacement 'undefined' Throw error here if you want... alert 'govno greska u parametrima' return ## Heading ## var regex typeof searchText 'string' new RegExp searchText 'g' searchText childNodes document.body.childNodes cnLength..
|
