static void Main(string[] args)
{
XnMOpenNIContextEx ctx = new XnMOpenNIContextEx();
ctx.InitFromXmlFile("openni.xml");
/*
var depthNode = ctx.FindExistingNode(XnMProductionNodeType.Depth) as XnMDepthGenerator;
PrintNodeInfo(depthNode);
*/
var imageNode = ctx.FindExistingNode(XnMProductionNodeType.Image) as XnMImageGenerator;
PrintNodeInfo(imageNode);
Console.WriteLine("Press ESC to exit.");
var imageMD = new XnMImageMetaData();
while(true)
{
ctx.WaitAndUpdateAll();
imageNode.GetMetaData(imageMD);
PrintImageMetaData(imageMD);
Console.WriteLine("-----------------");
if (Console.KeyAvailable)
{
if (Console.ReadKey().Key == ConsoleKey.Escape)
break;
}
}
ctx.Shutdown();
}
private static void PrintImageMetaData(XnMImageMetaData imageMD)
{
Console.WriteLine("FrameID: " + imageMD.FrameID);
Console.WriteLine("FPS: " + imageMD.FPS);
Console.WriteLine("PixelFormat: " + imageMD.PixelFormat);
Console.WriteLine("BytesPerPixel: " + imageMD.BytesPerPixel);
Console.WriteLine("XRes: " + imageMD.XRes);
Console.WriteLine("YRes: " + imageMD.YRes);
Console.WriteLine("XOffset: " + imageMD.XOffset);
Console.WriteLine("YOffset: " + imageMD.YOffset);
}
private bool InitOpenNi(AsyncStateData asyncData)
{
try
{
_niContext = new XnMOpenNIContextEx();
_niContext.InitFromXmlFile("openni.xml");
_imageNode = (XnMImageGenerator)_niContext.FindExistingNode(XnMProductionNodeType.Image);
_imageMeta = new XnMImageMetaData();
_imageNode.GetMetaData(_imageMeta);
if (_imageMeta.PixelFormat != XnMPixelFormat.Rgb24)
throw new InvalidOperationException("Only RGB24 pixel format is supported");
// add depth node
_depthNode = (XnMDepthGenerator)_niContext.FindExistingNode(XnMProductionNodeType.Depth);
_depthMeta = new XnMDepthMetaData();
_depthNode.GetMetaData(_depthMeta);
if (_depthMeta.PixelFormat != XnMPixelFormat.Grayscale16Bit)
throw new InvalidOperationException("Only 16-bit depth precission is supported");
if (_depthMeta.XRes != _imageMeta.XRes || _depthMeta.YRes != _imageMeta.YRes)
throw new InvalidOperationException("Image and depth map must have the same resolution");
// add scene node
_sceneNode = (XnMSceneAnalyzer)_niContext.FindExistingNode(XnMProductionNodeType.Scene);
_sceneMeta = new XnMSceneMetaData();
_sceneNode.GetMetaData(_sceneMeta);
asyncData.AsyncOperation.SynchronizationContext.Send(
delegate
{
UpdateCameraInfo();
UpdateFrameData();
InvokeTrackinkgStarted(EventArgs.Empty);
}, null);
return true;
}
catch (Exception ex)
{
return false;
}
}
private void InitOpenNi(AsyncStateData asyncData)
{
_niContext = new XnMOpenNIContextEx();
_niContext.InitFromXmlFile("openni.xml");
_imageNode = (XnMImageGenerator)_niContext.FindExistingNode(XnMProductionNodeType.Image);
_imageMeta = new XnMImageMetaData();
_imageNode.GetMetaData(_imageMeta);
// create the image bitmap source on
asyncData.AsyncOperation.SynchronizationContext.Send(
md => CreateImageBitmap(_imageMeta, out _rgbImageSource),
null);
// add depth node
_depthNode = (XnMDepthGenerator) _niContext.FindExistingNode(XnMProductionNodeType.Depth);
_depthMeta = new XnMDepthMetaData();
_depthNode.GetMetaData(_depthMeta);
asyncData.AsyncOperation.SynchronizationContext.Send(
state => CreateImageBitmap(_depthMeta, out _depthImageSource, PixelFormats.Pbgra32),
null);
// add scene node
_sceneNode = (XnMSceneAnalyzer) _niContext.FindExistingNode(XnMProductionNodeType.Scene);
_sceneMeta = new XnMSceneMetaData();
_sceneNode.GetMetaData(_sceneMeta);
asyncData.AsyncOperation.SynchronizationContext.Send(
state => CreateImageBitmap(_sceneMeta, out _sceneImageSource, PixelFormats.Pbgra32),
null);
}