private void Track(AsyncStateData asyncData)
{
asyncData.Running = true;
if (InitOpenNi(asyncData))
{
while (!asyncData.Canceled)
{
_niContext.WaitAndUpdateAll();
_imageNode.GetMetaData(_imageMeta);
_depthNode.GetMetaData(_depthMeta);
_sceneNode.GetMetaData(_sceneMeta);
asyncData.AsyncOperation.SynchronizationContext.Send(
delegate
{
//UpdateCameraInfo();
UpdateFrameData();
InvokeTrackingUpdated(EventArgs.Empty);
}, null);
}
}
asyncData.Running = false;
asyncData.AsyncOperation.PostOperationCompleted(evt => InvokeTrackinkgCompleted(EventArgs.Empty), null);
}
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);
}
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 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);
}