internal static void CopyToFrameToDrawingContext(this HighDefinitionFaceFrame highDefinitionFaceFrame, DrawingContext context, bool useDepthSpace = true, byte bodyIndex = 1, double pointRadius = 2F) { var faceAlignment = new FaceAlignment(); var coordinateMapper = highDefinitionFaceFrame.HighDefinitionFaceFrameSource.KinectSensor.CoordinateMapper; var brush = BodyIndexColor.GetBrushFromBodyIndex(bodyIndex); highDefinitionFaceFrame.GetAndRefreshFaceAlignmentResult(faceAlignment); var faceModel = new FaceModel(); var vertices = faceModel.CalculateVerticesForAlignment(faceAlignment); if (vertices.Count > 0) { for (int index = 0; index < vertices.Count; index++) { CameraSpacePoint vertice = vertices[index]; DepthSpacePoint point = coordinateMapper.MapCameraPointToDepthSpace(vertice); if (float.IsInfinity(point.X) || float.IsInfinity(point.Y)) { return; } context.DrawEllipse(brush, null, point.GetPoint(), pointRadius, pointRadius); } } }