Im scaling down (and moving) a canvas and need to find out the 0,0 of the actual开发者_如何转开发 canvas (in able to get the position of bitmaps within the canvas).
I have a square that rotates to a random angle and then travels in a straight line in the direction it is pointing. It does this by using a variable as its x axis and then calling
I have a custom view with that code : - (void)drawRect:(CGRect)rect { UIImage* theImage = [UIImage imageNamed:@\"blue_arrow\"];
I am trying to load annotations from a plist and display onto a map, but having trouble with: a) assigning the coordinates dynamically, and
I need gluUnProject to convert screen coordinates to world coordinates and right now I just about have it working.When my app runs it accurately tells me the coordinates on screen which I know are sto
I move my UIImageView with layer around the screen. When at some point I\'m trying to retrieve x and y coordinates of a moved imageView using imageView.frame.origin.x I receive original coordinates no
When user clicked on the screen, I can draw image using Canvas.drawBitmap(). Then I wanna change its coordinates. But I can开发者_JAVA百科\'t. I tried a lot of methods. Some tutorials on the internet
Using http://maps.google.com/maps/geo?q=.... return latitude and longitude like those : 48.8616441,2.3448885
I need to do something in openGL which forces me to take a pencil and a paper to do graphwork. I would like to know if there is free program to do that. It have Axes (X-Y-Z) and I can plot let say a c
I have a question regarding lattitude and longitude encoding, the answer to which my brain refuses to produce.
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