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Surface Coordinates

Last Updated: 2/14/2017

A device surface is a subset of an array of 2²⁸ by 2²⁸ pixels. These pixels are addressed by pairs of 28-bit signed numbers, the upper-leftmost pixel of the device surface is given the coordinates (0,0). The device surface lies in the lower right quadrant of this coordinate space, where both coordinates are nonnegative.

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