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2014/10/15 ¤U¤È 10:09:55
iphone Programming Glossary: gpsUIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos iPhone library http code.google.com p iphone exif Gonna try it on my side. I'd like to get the GPS geotags coordinates from the picture that has been taken with the UIImagePickerController After a deeper.. numberWithInt EXIF_DateTime EXFTag latitudeDef exifData tagDefinition NSNumber numberWithInt EXIF_GPSLatitude EXFTag longitudeDef exifData tagDefinition NSNumber numberWithInt EXIF_GPSLongitude id latitudeValue.. EXIF_GPSLatitude EXFTag longitudeDef exifData tagDefinition NSNumber numberWithInt EXIF_GPSLongitude id latitudeValue exifData tagValue NSNumber numberWithInt EXIF_GPSLatitude id longitudeValue..
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 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..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events anymore. For my own experience I measured something. Using the location callbacks with having the GPS radio on is sucking my battery down very quickly. Using the approach which I posted in Update 2 is taking..
Problem setting exif data for an image http://stackoverflow.com/questions/5125323/problem-setting-exif-data-for-an-image saving Exif data Caffeinated Cocoa . This works on iOS. Here is my test code for writing Exif and GPS data. It pretty much a copy and paste of the code from the above blog. I am using this to write exif.. objectForKey NSString kCGImagePropertyExifDictionary mutableCopy autorelease NSMutableDictionary GPSDictionary metadataAsMutable objectForKey NSString kCGImagePropertyGPSDictionary mutableCopy autorelease.. NSMutableDictionary GPSDictionary metadataAsMutable objectForKey NSString kCGImagePropertyGPSDictionary mutableCopy autorelease if EXIFDictionary if the image does not have an EXIF dictionary not..
Need to find Distance using Gyro+Accelerometer http://stackoverflow.com/questions/6647314/need-to-find-distance-using-gyroaccelerometer 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..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos share improve this question Have you took a look at this exif iPhone library http code.google.com p iphone exif Gonna try it on my side. I'd like to get the GPS geotags coordinates from the picture that has been taken with the UIImagePickerController After a deeper look this library seems to take NSData info as an input.. EXFTag tagDefinition exifData tagDefinition NSNumber numberWithInt EXIF_DateTime EXFTag latitudeDef exifData tagDefinition NSNumber numberWithInt EXIF_GPSLatitude EXFTag longitudeDef exifData tagDefinition NSNumber numberWithInt EXIF_GPSLongitude id latitudeValue exifData tagValue NSNumber numberWithInt EXIF_GPSLatitude.. EXFTag latitudeDef exifData tagDefinition NSNumber numberWithInt EXIF_GPSLatitude EXFTag longitudeDef exifData tagDefinition NSNumber numberWithInt EXIF_GPSLongitude id latitudeValue exifData tagValue NSNumber numberWithInt EXIF_GPSLatitude id longitudeValue exifData tagValue NSNumber numberWithInt EXIF_GPSLongitude..
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 .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. Those are..
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events again. And terminate the task if you don't need it anymore. For my own experience I measured something. Using the location callbacks with having the GPS radio on is sucking my battery down very quickly. Using the approach which I posted in Update 2 is taking nearly no energy. According to the userexperience this..
Problem setting exif data for an image http://stackoverflow.com/questions/5125323/problem-setting-exif-data-for-an-image where I got my answer when I had issues with modifying and saving Exif data Caffeinated Cocoa . This works on iOS. Here is my test code for writing Exif and GPS data. It pretty much a copy and paste of the code from the above blog. I am using this to write exif data to a captured image. NSData jpeg AVCaptureStillImageOutput.. release NSMutableDictionary EXIFDictionary metadataAsMutable objectForKey NSString kCGImagePropertyExifDictionary mutableCopy autorelease NSMutableDictionary GPSDictionary metadataAsMutable objectForKey NSString kCGImagePropertyGPSDictionary mutableCopy autorelease if EXIFDictionary if the image does not have an EXIF dictionary.. NSString kCGImagePropertyExifDictionary mutableCopy autorelease NSMutableDictionary GPSDictionary metadataAsMutable objectForKey NSString kCGImagePropertyGPSDictionary mutableCopy autorelease if EXIFDictionary if the image does not have an EXIF dictionary not all images do then create one for us to use EXIFDictionary..
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 advance. iphone accelerometer distance gyroscope share improve this question ..
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 http tweetero.googlecode.com svn trunk I'm thinking you can only have one location manager running there's only one GPS chip in the iPhone thus if you launch multiple location manager object's they'll conflict and you get errors from the GPS.. chip in the iPhone thus if you launch multiple location manager object's they'll conflict and you get errors from the GPS location manager stating it can't update. 2 Be extremely careful how you update the locationManager.desiredAccuracy and..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos a look at this exif iPhone library http code.google.com p iphone exif Gonna try it on my side. I'd like to get the GPS geotags coordinates from the picture that has been taken with the UIImagePickerController After a deeper look this library.. NSNumber numberWithInt EXIF_DateTime EXFTag latitudeDef exifData tagDefinition NSNumber numberWithInt EXIF_GPSLatitude EXFTag longitudeDef exifData tagDefinition NSNumber numberWithInt EXIF_GPSLongitude id latitudeValue exifData tagValue.. NSNumber numberWithInt EXIF_GPSLatitude EXFTag longitudeDef exifData tagDefinition NSNumber numberWithInt EXIF_GPSLongitude id latitudeValue exifData tagValue NSNumber numberWithInt EXIF_GPSLatitude id longitudeValue exifData tagValue..
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 some web server interactions and for that..
Saving Geotag info with photo on iOS4.1 http://stackoverflow.com/questions/3884060/saving-geotag-info-with-photo-on-ios4-1 metadata NSDictionary metadata completionBlock ALAssetsLibraryWriteImageCompletionBlock completionBlock I have the GPS coordinates that i wish to save with the photo as an input. Unfortunately there is no documentation or sample code that.. there is no documentation or sample code that describes how to form the metadata NSDictionary that encapsulates the GPS coordinates. Can somebody post a sample code that is known to work I have also tried using iPhone Exif library to save geo.. this question Here is code to copy all available information from a CLLocation object into the proper format for a GPS metadata dictionary NSDictionary getGPSDictionaryForLocation CLLocation location NSMutableDictionary gps NSMutableDictionary..
http://stackoverflow.com/questions/4130821/iphone-compass-gps-direction Compass GPS Direction I'm trying to develop an application that use the GPS and Compass of the iPhone in order to point some sort of.. Compass GPS Direction I'm trying to develop an application that use the GPS and Compass of the iPhone in order to point some sort of pointer to a specific location like the compass always point to.. have the Lat Long coordinates of this location but not sure how can I point to that location using the Compass and the GPS... just like http www.youtube.com watch v iC0Xn8hY80w this link 1 20' I write some code however it can't rotate right direction...
iPhone - Backgrounding to poll for events http://stackoverflow.com/questions/4656214/iphone-backgrounding-to-poll-for-events if you don't need it anymore. For my own experience I measured something. Using the location callbacks with having the GPS radio on is sucking my battery down very quickly. Using the approach which I posted in Update 2 is taking nearly no energy...
Problem setting exif data for an image http://stackoverflow.com/questions/5125323/problem-setting-exif-data-for-an-image with modifying and saving Exif data Caffeinated Cocoa . This works on iOS. Here is my test code for writing Exif and GPS data. It pretty much a copy and paste of the code from the above blog. I am using this to write exif data to a captured.. metadataAsMutable objectForKey NSString kCGImagePropertyExifDictionary mutableCopy autorelease NSMutableDictionary GPSDictionary metadataAsMutable objectForKey NSString kCGImagePropertyGPSDictionary mutableCopy autorelease if EXIFDictionary.. mutableCopy autorelease NSMutableDictionary GPSDictionary metadataAsMutable objectForKey NSString kCGImagePropertyGPSDictionary mutableCopy autorelease if EXIFDictionary if the image does not have an EXIF dictionary not all images do then..
iOS: Movement Precision in 3D Space http://stackoverflow.com/questions/5550453/ios-movement-precision-in-3d-space Movement Precision in 3D Space From what I understand GPS has limited accuracy. Is it possible to get a more precise location for a person in 3D space I'm planning to write an application..
Distance moved by Accelerometer http://stackoverflow.com/questions/6645126/distance-moved-by-accelerometer for your application see between 37 00 38 25 in the video. Similar questions track small movements of iphone with no GPS What is the real world accuracy of phone accelerometers when used for positioning how to calculate phone's movement in the..
Need to find Distance using Gyro+Accelerometer http://stackoverflow.com/questions/6647314/need-to-find-distance-using-gyroaccelerometer 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 gyroscope..
UIImagePickerController and extracting EXIF data from existing photos http://stackoverflow.com/questions/1238838/uiimagepickercontroller-and-extracting-exif-data-from-existing-photos of each image. This seems a bit over the top though and probably quite slow. Any suggestions iphone cocoa touch gps uiimagepickercontroller exif share improve this question Have you took a look at this exif iPhone library http code.google.com.. GPS data to the Exif object NSMutableArray locArray self createLocArray imageLocation.coordinate.latitude EXFGPSLoc gpsLoc EXFGPSLoc alloc init self populateGPS gpsLoc locArray exifMetaData addTagValue gpsLoc forKey NSNumber numberWithInt EXIF_GPSLatitude.. locArray self createLocArray imageLocation.coordinate.latitude EXFGPSLoc gpsLoc EXFGPSLoc alloc init self populateGPS gpsLoc locArray exifMetaData addTagValue gpsLoc forKey NSNumber numberWithInt EXIF_GPSLatitude gpsLoc release locArray release..
http://stackoverflow.com/questions/221592/geolocation-api-on-the-iphone Android etc... I'd much prefer to create a web app that makes use of the W3C Standard. javascript iphone geolocation gps share improve this question This code worked for me on the iPhone web browser Safari and as an added bonus it even worked..
Behaviour for significant change location API when terminated/suspended? http://stackoverflow.com/questions/3421242/behaviour-for-significant-change-location-api-when-terminated-suspended you are welcome to download and try out. It is a pretty simple app that allows you to turn on significant change and gps change APIs through the UI and log all the responses that you get back. N.B. Point six in the previous answer is not correct...
Accessing iPhone WiFi Information via SDK http://stackoverflow.com/questions/351954/accessing-iphone-wifi-information-via-sdk
Saving Geotag info with photo on iOS4.1 http://stackoverflow.com/questions/3884060/saving-geotag-info-with-photo-on-ios4-1 format for a GPS metadata dictionary NSDictionary getGPSDictionaryForLocation CLLocation location NSMutableDictionary gps NSMutableDictionary dictionary GPS tag version gps setObject @ 2.2.0.0 forKey NSString kCGImagePropertyGPSVersion Time and.. getGPSDictionaryForLocation CLLocation location NSMutableDictionary gps NSMutableDictionary dictionary GPS tag version gps setObject @ 2.2.0.0 forKey NSString kCGImagePropertyGPSVersion Time and date must be provided as strings not as an NSDate.. alloc init formatter setDateFormat @ HH mm ss.SSSSSS formatter setTimeZone NSTimeZone timeZoneWithAbbreviation @ UTC gps setObject formatter stringFromDate location.timestamp forKey NSString kCGImagePropertyGPSTimeStamp formatter setDateFormat..
http://stackoverflow.com/questions/4130821/iphone-compass-gps-direction temp1 Compass2 is a UIImageView like below picture I want to rotate it around point in image ^ iphone gps location compass geolocation share improve this question There is a standard heading or bearing equation that you can..
Alternatives to google maps api http://stackoverflow.com/questions/4151593/alternatives-to-google-maps-api recommended to use google maps api. In my app both android and iOS I want to display a location on a map by retrieving gps information. Overall the api should offer a similar scope of operation like google maps api. Which alternatives do you know..
iOS: Movement Precision in 3D Space http://stackoverflow.com/questions/5550453/ios-movement-precision-in-3d-space just give me a brief understanding if with some hard work this could even be possible. Thanks Derek iphone ios4 gps accelerometer gyroscope share improve this question No not really. If you integrate the accelerometer values twice you..
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