2014/10/15 下午 10:04:09

iphone Programming Glossary: attitude

http://stackoverflow.com/questions/3245733/apple-gyroscope-sample-code

gyro updates you need to create a motion manager object and optionally but recommended a reference attitude object So in your interface definition you add CMMotionManager motionManager CMAttitude referenceAttitude.. method or just call it from the init method. The following will store the initial device attitude and cause the device to continue sampling the gyro and updating its attitude property. void enableGyro.. the initial device attitude and cause the device to continue sampling the gyro and updating its attitude property. void enableGyro CMDeviceMotion deviceMotion motionManager.deviceMotion CMAttitude attitude..

Store orientation to an array - and compare

http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare

NSOperationQueue currentQueue withHandler ^ CMDeviceMotion motion NSError error CMAttitude attitude motion.attitude NSLog @ pitch f roll f yaw f attitude.pitch attitude.roll attitude.yaw I'm thinking.. currentQueue withHandler ^ CMDeviceMotion motion NSError error CMAttitude attitude motion.attitude NSLog @ pitch f roll f yaw f attitude.pitch attitude.roll attitude.yaw I'm thinking that I could store.. motion NSError error CMAttitude attitude motion.attitude NSLog @ pitch f roll f yaw f attitude.pitch attitude.roll attitude.yaw I'm thinking that I could store these values into an array if the..

Apple gyroscope sample code

http://stackoverflow.com/questions/3245733/apple-gyroscope-sample-code

cocoa touch ios4 share improve this question To get gyro updates you need to create a motion manager object and optionally but recommended a reference attitude object So in your interface definition you add CMMotionManager motionManager CMAttitude referenceAttitude According to the docs you should only create one of these.. nil When you want to enable the gyro you could create an enableGyro method or just call it from the init method. The following will store the initial device attitude and cause the device to continue sampling the gyro and updating its attitude property. void enableGyro CMDeviceMotion deviceMotion motionManager.deviceMotion CMAttitude.. or just call it from the init method. The following will store the initial device attitude and cause the device to continue sampling the gyro and updating its attitude property. void enableGyro CMDeviceMotion deviceMotion motionManager.deviceMotion CMAttitude attitude deviceMotion.attitude referenceAttitude attitude retain motionManager..

Store orientation to an array - and compare

http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare

and yaw using self.motionManager startDeviceMotionUpdatesToQueue NSOperationQueue currentQueue withHandler ^ CMDeviceMotion motion NSError error CMAttitude attitude motion.attitude NSLog @ pitch f roll f yaw f attitude.pitch attitude.roll attitude.yaw I'm thinking that I could store these values into an array if the user is.. startDeviceMotionUpdatesToQueue NSOperationQueue currentQueue withHandler ^ CMDeviceMotion motion NSError error CMAttitude attitude motion.attitude NSLog @ pitch f roll f yaw f attitude.pitch attitude.roll attitude.yaw I'm thinking that I could store these values into an array if the user is in record mode... NSOperationQueue currentQueue withHandler ^ CMDeviceMotion motion NSError error CMAttitude attitude motion.attitude NSLog @ pitch f roll f yaw f attitude.pitch attitude.roll attitude.yaw I'm thinking that I could store these values into an array if the user is in record mode. And when the user tries to replicate..

Designing the iPhone interface in a nib or in code?

http://stackoverflow.com/questions/1816964/designing-the-iphone-interface-in-a-nib-or-in-code

with today's iPhone SDK. While there are still certainly some annoying IB bugs I've done a nearly complete 180 with my attitude toward using Interface Builder. More often than not it is a good idea to use Interface Builder in your projects I've found...

Using quaternion instead of roll, pitch and yaw to track device motion

http://stackoverflow.com/questions/19239482/using-quaternion-instead-of-roll-pitch-and-yaw-to-track-device-motion

Please bear with my long question I am trying to make it as clear as possible. What i am trying to do is get the attitude roll pitch and yaw when a picture is taken using camera and then save the attitude values to nsuserdefaults. After saving.. What i am trying to do is get the attitude roll pitch and yaw when a picture is taken using camera and then save the attitude values to nsuserdefaults. After saving the orientation is changed and then try to bring the phone to the same attitude the.. attitude values to nsuserdefaults. After saving the orientation is changed and then try to bring the phone to the same attitude the picture was taken by constantly comparing the attitude values saved and current . For the purpose of interface the user..

Apple gyroscope sample code

http://stackoverflow.com/questions/3245733/apple-gyroscope-sample-code

question To get gyro updates you need to create a motion manager object and optionally but recommended a reference attitude object So in your interface definition you add CMMotionManager motionManager CMAttitude referenceAttitude According to the.. could create an enableGyro method or just call it from the init method. The following will store the initial device attitude and cause the device to continue sampling the gyro and updating its attitude property. void enableGyro CMDeviceMotion deviceMotion.. following will store the initial device attitude and cause the device to continue sampling the gyro and updating its attitude property. void enableGyro CMDeviceMotion deviceMotion motionManager.deviceMotion CMAttitude attitude deviceMotion.attitude..

Getting displacement from accelerometer data with Core Motion

http://stackoverflow.com/questions/4449565/getting-displacement-from-accelerometer-data-with-core-motion

I ask the user to place the iPhone on the surface he wants to place the cube on and then press a button to reset the attitude. To find out the camera rotation is very simple with the Gyroscope and Core Motion. I do it this way if referenceAttitude.. out the camera rotation is very simple with the Gyroscope and Core Motion. I do it this way if referenceAttitude nil attitude multiplyByInverseOfAttitude referenceAttitude CMRotationMatrix mat attitude.rotationMatrix GLfloat rotMat mat.m11 mat.m21.. I do it this way if referenceAttitude nil attitude multiplyByInverseOfAttitude referenceAttitude CMRotationMatrix mat attitude.rotationMatrix GLfloat rotMat mat.m11 mat.m21 mat.m31 0 mat.m12 mat.m22 mat.m32 0 mat.m13 mat.m23 mat.m33 0 0 0 0 1 glMultMatrixf..

iphone - core motion range of yaw, pitch and roll

http://stackoverflow.com/questions/5004548/iphone-core-motion-range-of-yaw-pitch-and-roll

is not a full answer but in the interest of starting the ball rolling I'm assuming you are talking about the device attitude rather than the raw gyro data. Anecdotally I have an ipod touch 4 gen sitting in front of me displaying these values pitch..

iphone - core motion (relative rotation)

http://stackoverflow.com/questions/5053793/iphone-core-motion-relative-rotation

for by drilling down into the properties of CMMotionManager through CMDeviceMotion and finally to CMAttitude . The attitude of the device is defined as the orientation of a body relative to a given frame of reference. In the case of DeviceMotion's.. frame of reference is established by the framework when starting device motion updates. From that point in time on the attitude of the device is reported relative to that reference frame not relative to the previous frame . The CMAttitude class provides..

Store orientation to an array - and compare

http://stackoverflow.com/questions/6368618/store-orientation-to-an-array-and-compare

NSOperationQueue currentQueue withHandler ^ CMDeviceMotion motion NSError error CMAttitude attitude motion.attitude NSLog @ pitch f roll f yaw f attitude.pitch attitude.roll attitude.yaw I'm thinking that I could store.. NSOperationQueue currentQueue withHandler ^ CMDeviceMotion motion NSError error CMAttitude attitude motion.attitude NSLog @ pitch f roll f yaw f attitude.pitch attitude.roll attitude.yaw I'm thinking that I could store these values into.. withHandler ^ CMDeviceMotion motion NSError error CMAttitude attitude motion.attitude NSLog @ pitch f roll f yaw f attitude.pitch attitude.roll attitude.yaw I'm thinking that I could store these values into an array if the user is in record mode...

How to write exif metadata to an image (not the camera roll, just a UIImage or JPEG)

http://stackoverflow.com/questions/9006759/how-to-write-exif-metadata-to-an-image-not-the-camera-roll-just-a-uiimage-or-j

CFDictionarySetValue mutable kCGImagePropertyGPSDictionary __bridge void gpsDict Here just as an example im adding the attitude matrix in the exif comment metadata CMRotationMatrix m att.rotationMatrix GLKMatrix4 attMat GLKMatrix4Make m.m11 m.m12 m.m13..