The position of the cursor on the canvas is controlled by the x and y coordinates of the user’s middle fingertip. Finger Pinch (“Draw”) – causes the cursor to become solid and draw a line on the canvas. Three gestures (depicted on the screen with their accompanying action) are enabled for interacting with the virtual canvas: Figure 1 shows the Sketch user interface (developed in WPF/XAML). Sketch is a simple drawing app that allows the user to simulate drawing on a canvas by using gestures and hand motions. (Note: The full functionality of this sample app requires a front-facing 3D camera.) Introduction to Sketch Getting alert status information (i.e., hand detection, calibration, and boundary status).Retrieval of hand joint x-y-z (world) coordinates.This Windows desktop app, developed in C#/WPF, demonstrates a number of hand tracking and gesture recognition capabilities available in the Intel RealSense SDK: This code sample uses the Intel® RealSense™ SDK for Windows* to create a simple virtual drawing app named Sketch.
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