// This method is used to adjust a radius of the sphere the coordinate system of the camera
 // is based on. This means that the larger the radius, the further zoomed out you are.
 private void trackBar_zoom_ValueChanged(object sender, System.EventArgs e)
 {
     viewingAngle[6] = (trackBar_zoom.Value);
     SphereCoordinates.setRadius(viewingAngle[6]);
     SphereCoordinates.updateCoordinates(viewingAngle[0], viewingAngle[1], viewingAngle[2]);
     glControl1.Invalidate();
 }
 // Constructor and Initializer
 // Creates the form/window
 public QTELRMainWindow()
 {
     InitializeComponent();
     SphereCoordinates.setCoordinates(0, 0, 1000);
     SphereCoordinates.setRadius(1000);
     //trackBar_rotateX.Value = 0;
     //trackBar_rotateY.Value = 0;
     //trackBar_rotateZ.Value = 0;
     trackBar_panX.Value = 0;
     trackBar_panY.Value = 0;
     trackBar_panZ.Value = 0;
     //trackBar_zoom.Value = 1000;
     createModelGroup();
     setUpKinect();
 }