Questions tagged [acceleration]

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175 questions
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Combine X and Y accelerations to calculate resultant angle and acceleration

Calculate resultant acceleration from x and y. Calculate angle of resultant acceleration.
user2052706
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Accelerometer behavior different on iPhone4S vs iPhone5?

I'm using "UIAccelerationValue" to log the accelerometer values into a file. After sending the file by email a rough offline analysis of the recorded data will be performed. This works well with the iPhone4S up to the maximum sampling frequency of…
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Deceleration not working as intended

I asked a similar question a few hours ago, but I think there was too much information in that question so I deleted that one and made this one more relevant. I'm trying to move an object with a decreasing acceleration in a specified time but the…
Orujimaru
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Optimization of OpenCV on android (neon-instruction, GLSL on tegra 3 )

I am now using some OpenCV functions in my Android application development. Since the frame rate is quite critical for the program, I am wondering how could I enable the optimization of OpenCV on android, since I have read about the newest version…
Yu Lu
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Android Accelerometer is outputting Null(Zero) values

Hey Guys I am currently working on a project which will access the accelerometer and graph it how ever my code is currently not working and I am unsure of the reasoning, any help will be greatly appreciated. The program is required to record data…
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Windows: Programatically determine if hardware acceleration can be disabled

Our application includes a screen capture capability. Some applications use overlay surfaces to display video so we included an option to disable hardware acceleration in order to force those applications into software rendering mode so that we…
wta
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Get Data from SensorSimulator

i tried to build a litte app to readout the data from SensorSimulator http://code.google.com/p/openintents/wiki/SensorSimulator I installed the SensorSimulatorSettings-App and followed the instructions on the Website. When i start my AVD and then…
bowsneiko
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Working with Accelerometer

I am working on gestures using acceleration values (x, y, z) from a device. If I hold the device in my hand in a resting position (x,y,z) = ((0,0,0)). But if I change the direction of device (still at resting position) the values are changed to…
Madni
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How to set up a local directory for mirroring a remote git repository?

Here is the situation. I have a remote git repository on Server A. Also, I have to work on Desktop B with the same source code in this repository. Because of the limited bandwidth to access Server A, I'd like set up a local mirror on Desktop B for…
jcadam
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Get constant deceleration required to stop object at position

I want an object to smoothly stop at a specified point. I have the initial velocity, V0, of the object, the end velocity (which is set to 0), V1, and the distance, d, required to reach the destination. V1 and V0 are measured in radians per frame,…
Benzino
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How to make sure GPUAcceleration for Silverlight is really on?

I can have a lot of controls in my layoutroot (a canvas). And as the tree gets bigger, performance naturally fades and eventually the application becomes unresponsive to most actions.. To give my creep a little push, I am trying to use the…
Orkun
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Mouse follower easing in/out

There are a lot of mousefollower tutorials out there. Most of them feature a simple formula for easing the motion: x += (tx - x) / interp; y += (ty - y) / interp; (tx = target position, x = actual position, interp > 1) This makes the follower go…
superno
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android - Accelerations work only in debug

I have an app that records the phone's accelerations and saves them to a file. When I check the app in debug mode on my phone, everything works great. When I take the apk file and install it one the phone, the app dose'nt saves any…
bahar_p
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Android java development time of acceleration to

How can I calculate the time of acceleration to 100kmh? Well, I registered a location listener when the !location.hasSpeed() is true store the time of location into a variable. When the speed is reach of the given speed in this case 100km/h (27.77…
L. Kvri
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Coming from XNA, what is Corona's 'Update' mechanism (GameTime, gameTime)?

I'm trying to get the hang of Corona SDK, I don't know much about the Lua language as I'm coming from a C# and XNA background. The question I have is I want to do some acceleration on an object when a touch arrow is touched on the screen. In XNA…