Reply To: Version of Kinect

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Oliver Kreylos

The first-generation Kinect has a nominal depth map resolution of 640×480 pixels. Its effective resolution is much lower as only a fraction of pixels carry depth measurements at any given moment, due to the way the structured light scanning technology works. The second-generation Kinect has a depth map resolution of 512×424 pixels, but it carries depth measurements on every pixel, based on its time-of-flight scanning technology.

In short, the AR Sandbox’s recommended display resolution of 1024×768 is higher than that of any available depth camera, and also higher than water simulation grid sizes supported by current graphics cards. You can run the AR Sandbox at higher display resolution, but you won’t get more detail in the terrain model or water behavior. The only difference are narrower contour lines.

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