UIAccelerometer reference [closed] - iphone

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Can anybody suggest to me some good applications that make use of UIAccelerometer Class and some references too ?

BubbleLevel is a sample app that's nice and simple, yet demonstrates the UIAccelerometer. First source of reference for the class is here.
progmr suggests that you're looking for ideas for applications that can make use of the UIAccelerometer. BubbleLevel already hints at one major use of the accelerometer - that of knowing the orientation of the device.
The other major use is (obviously) tracking the acceleration of the phone, allowing for the interpretation of gestures, for instance: not just shaking, but gestures like you might use when playing a Wii game. This doesn't necessarily lend itself directly to knowing the velocity of the phone! (Integrating the acceleration gives you velocity + some constant factor unknowable without calibration.)

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What happened to OpenRT? [closed]

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I have been looking around for powerful raytracing interfaces and discovered references to OpenRT but can't seem to find it anywhere. Does it even still exist?
If it is gone, what is the most used library for raytracing that is powerful enough for realtime rendering.
My answer below is all I have managed to find.
Update
I have continued my search and only seem to find OpenRL as it supports most of what I need. However I may end up writing my own wrapper or engine that suits my needs as there seems to be no mature solution. Thanks for the suggestions.
PowerVR Wizard GPUs by Imagination Technologies have been announced recently.
"Wizard is essentially an extension of Imagination’s existing PowerVR
Series6XT Rogue designs, taking the base hardware and adding the
additional blocks necessary to do ray tracing"
Possible, and seems to be the only, solution I have found is OpenRL.

Any one knows any book template for IOS App [closed]

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I need a template like cover flow for viewing books in IOS App. Anybody knows any template which can show books.
Please find attached images. I need something like shown in figure.
Sorry but I do not know these question should be ask on stack overflow or other stack overflow options!
Well to achieve this we have a number of controls. Please go through these
Pepper UI
Flip View Control
Leaves Control
Page Curl
You would have to tweak all of them to get your desired animation though iCarousel does offer many such animations. Dont forget to go through its library. Hope this helps.
Use iCarousel which is open source well-known library for such formats. You need to tweak the in-built types a little to make it look like a book.
Set the type to iCarouselTypeCoverFlow2 and implement delegate method itemTransformForOffset to provide your custom transform for book-like display.

iPhone iOS is there an open source annotated line graph example? [closed]

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I've looked at a variety of iPhone graphs, and while a lot of them work for line graphs, I have not been able to find anything that does graph annotations like the image below. Are there any graphs for iOS that support graph annotations?
There are many comparison article of the different iOS Graphing Libraries. See these comparisons for an in depth analysis of their differing features:
http://www.scottlogic.com/blog/2012/05/21/comparison-of-the-available-ios-charting-libraries.html
https://blog.serverdensity.com/how-to-build-stunning-custom-ios-graphs-on-iphone-and-ipad/
Not many of them support built in annotations. You may have to add that yourself. Core-Plot sounds like your best option: https://code.google.com/p/core-plot/

DSP sound effect library for iPhone/iPad/iOS? [closed]

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Any 3rd party, or built in stuff?
You can look at the MoMu release of the Synthesis Tool Kit (STK) library. It has a permissive license and is lightweight, however if depends what kind of "effects" you are looking for. It has all the building blocks to do sound synthesis and processing (class documentation here).
I think you should use this audio DSP library for iOS/OSX: NVDSP
It is easy to use but still produces high-quality results.
It didn't exist at the time of your question, but well, I think it's the best option today. And I really don't say that just because I wrote it! ;)
iOS 5 has some new built-in Audio Units for filters and some other simple effects. Before iOS 5, it appears that most audio app developers rolled their own DSP effect libraries (or purchased a commercial time-pitch library, etc)
Try this http://theamazingaudioengine.com/
Little late but might help someone else
Also late, but great sound effect libraries are made by LittleEndian.com

Looking for book or tutorials for implementing face detection in iphone sdk? [closed]

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I am Looking for book or tutorials for implementing face detection in iphone sdk? OpenCV is one but it takes more time to detect faces.
I want to learn algorithms used for face detection. Once i got a logic then it can be easily converted into programs.
Plz send me appropriate tutorials or ebook links ???
The OpenCVS library can be used on the IPhone:
Learning OpenCV: Computer Vision with the OpenCV Library