Method Init

Samples/NiHandTracker/NiSimpleViewer.cpp:115–158

}

XnStatus SimpleViewer::Init(int argc, char **argv)
{
	XnStatus	rc;

	rc = m_rContext.FindExistingNode(XN_NODE_TYPE_DEPTH, m_depth);
	if (rc != XN_STATUS_OK)
	{
		printf("No depth node exists! Check your XML.");
		return rc;
	}

	rc = m_rContext.FindExistingNode(XN_NODE_TYPE_IMAGE, m_image);
	if (rc != XN_STATUS_OK)
	{
		printf("No image node exists! Check your XML.");
		return rc;
	}

	m_depth.GetMetaData(m_depthMD);
	m_image.GetMetaData(m_imageMD);

	// Hybrid mode isn't supported in this sample
	if (m_imageMD.FullXRes() != m_depthMD.FullXRes() || m_imageMD.FullYRes() != m_depthMD.FullYRes())
	{
		printf ("The device depth and image resolution must be equal!\n");
		return 1;
	}

	// RGB is the only image format supported.
	if (m_imageMD.PixelFormat() != XN_PIXEL_FORMAT_RGB24)
	{
		printf("The device image format must be RGB24\n");
		return 1;
	}

	// Texture map init
	m_nTexMapX = MIN_CHUNKS_SIZE(m_depthMD.FullXRes(), TEXTURE_SIZE);
	m_nTexMapY = MIN_CHUNKS_SIZE(m_depthMD.FullYRes(), TEXTURE_SIZE);
	m_pTexMap = new XnRGB24Pixel[m_nTexMapX * m_nTexMapY];

	m_pDepthHist = new float[m_depth.GetDeviceMaxDepth() + 1];

	return InitOpenGL(argc, argv);
}

XnStatus SimpleViewer::Run()
{