public void GenerateXML()
{
ALVARDllBridge.alvar_init();
Matrix projection = ALVARDllBridge.GetCameraProjection(calibrationFilename, width, height, zNear, zFar);
MatrixHelper.SaveMatrixToXML(projectionFilename, projection);
}
private void SetupMarkerTracking()
{
DirectShowCapture captureDevice = new DirectShowCapture();
captureDevice.InitVideoCapture(0, FrameRate._30Hz, Resolution._640x480,
ImageFormat.R8G8B8_24, false);
// Add this video capture device to the scene so that it can be used for
// the marker tracker
scene.AddVideoCaptureDevice(captureDevice);
// if we're using Wrap920AR, then we need to add another capture device for
// processing stereo camera
DirectShowCapture captureDevice2 = null;
if (iTracker.ProductID == iWearDllBridge.IWRProductID.IWR_PROD_WRAP920)
{
captureDevice2 = new DirectShowCapture();
captureDevice2.InitVideoCapture(1, FrameRate._30Hz, Resolution._640x480,
ImageFormat.R8G8B8_24, false);
scene.AddVideoCaptureDevice(captureDevice2);
// Calculate the right projection matrix using the camera intrinsic parameters for the
// right camera
((StereoCamera)scene.CameraNode.Camera).RightProjection =
ALVARDllBridge.GetCameraProjection("Wrap920_Right.xml", captureDevice2.Width,
captureDevice2.Height, 0.1f, 1000);
}
// Create an optical marker tracker that uses ALVAR library
ALVARMarkerTracker tracker = new ALVARMarkerTracker();
tracker.MaxMarkerError = 0.02f;
tracker.ZNearPlane = 0.1f;
tracker.ZFarPlane = 1000;
tracker.InitTracker(captureDevice.Width, captureDevice.Height, "Wrap920_Left.xml", markerSize);
((StereoCamera)scene.CameraNode.Camera).LeftProjection = tracker.CameraProjection;
scene.MarkerTracker = tracker;
if (iTracker.ProductID == iWearDllBridge.IWRProductID.IWR_PROD_WRAP920)
{
scene.LeftEyeVideoID = 0;
scene.RightEyeVideoID = 1;
scene.TrackerVideoID = 0;
}
else
{
scene.LeftEyeVideoID = 0;
scene.RightEyeVideoID = 0;
scene.TrackerVideoID = 0;
}
// Create a marker node to track a ground marker array.
groundMarkerNode = new MarkerNode(scene.MarkerTracker, "ALVARGroundArray.xml");
// Add a transform node to tranlate the objects to be centered around the
// marker board.
TransformNode transNode = new TransformNode();
scene.RootNode.AddChild(groundMarkerNode);
scene.ShowCameraImage = true;
}