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/**
@page basic Basic Functions: initialize, create a node and read data
The following code illustrates the basic functionality of OpenNI. It initializes a @ref context object,
creates a single Depth node, and reads data from it.
@code
XnStatus nRetVal = XN_STATUS_OK;
xn::Context context;
// Initialize context object
nRetVal = context.Init();
// TODO: check error code
// Create a DepthGenerator node
xn::DepthGenerator depth;
nRetVal = depth.Create(context);
// TODO: check error code
// Make it start generating data
nRetVal = context.StartGeneratingAll();
// TODO: check error code
// Main loop
while (bShouldRun)
{
// Wait for new data to be available
nRetVal = context.WaitOneUpdateAll(depth);
if (nRetVal != XN_STATUS_OK)
{
printf("Failed updating data: %s\n", xnGetStatusString(nRetVal));
continue;
}
// Take current depth map
const XnDepthPixel* pDepthMap = depth.GetDepthMap();
// TODO: process depth map
}
// Clean-up
context.Shutdown();
@endcode
*/
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