2014/10/15 下午 10:06:45

iphone Programming Glossary: dimensional

http://stackoverflow.com/questions/10455329/opengl-es-2d-rendering-into-image

ES 2d rendering into image I need to write OpenGL ES 2 dimensional renderer on iOS. It should draw some primitives such as lines and polygons into 2d image it will be rendering of vector..

How to create nested array or multidimensional array

http://stackoverflow.com/questions/1125918/how-to-create-nested-array-or-multidimensional-array

to create nested array or multidimensional array I am trying to figure out how to do either nested arrays or multidimensional array for iPhone SDK programming using.. to create nested array or multidimensional array I am trying to figure out how to do either nested arrays or multidimensional array for iPhone SDK programming using objective c. My data would be something like this 3 columns and rows from 10 to 50... share improve this question I'm not sure whether it's your example or your terminology but that's not really a multi dimensional array that's an array of records. I'd make each of your records a class @interface Employee NSString name NSString dept..

Improving Finger Painting Performance

http://stackoverflow.com/questions/1355527/improving-finger-painting-performance

to be a huge number of values that you access constantly. You could store this information in many better ways. A 2 dimensional C array representing the entire screen is the most obvious. You may also want to look into bitmap image representations..

obtaining the rotation and size of a UIImageView based on its transformation matrices

http://stackoverflow.com/questions/1379811/obtaining-the-rotation-and-size-of-a-uiimageview-based-on-its-transformation-mat

can be used to determine an analytical solution . A CGAffineTransform has four members a b c d corresponding to the 2 dimensional matrix ｛ b θ d Now we want to extract from this matrix the values of Sx Sy and R. We can use a simple trigonometric identity..

How to pass double[][] into a method call?

http://stackoverflow.com/questions/3216800/how-to-pass-double-into-a-method-call

passing Any help on this issue would be amazing. Thanks A iphone objective c share improve this question A two dimensional array is not the same thing as a pointer to a pointer. You have two choices change the filter class to contain a 2D array..

Getting a Maya Model into the iPhone

http://stackoverflow.com/questions/4675475/getting-a-maya-model-into-the-iphone

put your vertices into a close packed array vertexX vertexY vertexZ normalX normalY normalZ So that you have a one dimensional array of floats but is mapped out like above. Once you have a float array it's simple to render. glEnableClientState GL_VERTEX_ARRAY..

Store orientation to an array - and compare

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

Euler angles rotation matrices quaternions as tc pointed that out. If you are using acceleration data you have 3 dimensional vectors at each time point the x y z coordinates. I would simply compute Dist i j SQRT A i X B j X ^2 A i Y B j Y ^2 A i..