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);
}
}
public void Paint(XnMSceneMetaData sceneMeta, WriteableBitmap b)
{
b.Lock();
unsafe
{
short *pLabelRow = (short *)sceneMeta.Data;
int nTexMapX = b.BackBufferStride;
byte *pTexRow = (byte *)b.BackBuffer + sceneMeta.YOffset * nTexMapX;
for (int y = 0; y < sceneMeta.YRes; y++)
{
short *pLabel = pLabelRow;
byte * pTex = pTexRow + sceneMeta.XOffset;
for (int x = 0; x < sceneMeta.XRes; x++)
{
//var label = sceneMeta.GetLabel((uint) x, (uint) y);
var label = (*pLabel);
if (label != 0)
{
var c = _colors[label % _colors.Length];
pTex[0] = c.B; // B
pTex[1] = c.G; // G
pTex[2] = c.R; // R
pTex[3] = c.A; // A
}
else
{
pTex[0] = 0; // B
pTex[1] = 0; // G
pTex[2] = 0; // R
pTex[3] = 0; // A
}
pLabel++;
pTex += 4;
}
pLabelRow += sceneMeta.XRes;
pTexRow += nTexMapX;
}
}
b.AddDirtyRect(new Int32Rect(0, 0, b.PixelWidth, b.PixelHeight));
b.Unlock();
}
public void Paint(XnMSceneMetaData sceneMeta, WriteableBitmap b)
{
b.Lock();
unsafe
{
short* pLabelRow = (short*)sceneMeta.Data;
int nTexMapX = b.BackBufferStride;
byte* pTexRow = (byte*)b.BackBuffer + sceneMeta.YOffset * nTexMapX;
for (int y = 0; y < sceneMeta.YRes; y++)
{
short* pLabel = pLabelRow;
byte* pTex = pTexRow + sceneMeta.XOffset;
for (int x = 0; x < sceneMeta.XRes; x++)
{
//var label = sceneMeta.GetLabel((uint) x, (uint) y);
var label = (*pLabel);
if (label != 0)
{
var c = _colors[label%_colors.Length];
pTex[0] = c.B; // B
pTex[1] = c.G; // G
pTex[2] = c.R; // R
pTex[3] = c.A; // A
}
else
{
pTex[0] = 0; // B
pTex[1] = 0; // G
pTex[2] = 0; // R
pTex[3] = 0; // A
}
pLabel++;
pTex += 4;
}
pLabelRow += sceneMeta.XRes;
pTexRow += nTexMapX;
}
}
b.AddDirtyRect(new Int32Rect(0, 0, b.PixelWidth, b.PixelHeight));
b.Unlock();
}
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;
}
}
public void Update(XnMSceneMetaData sceneMeta)
{
}
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);
}
public void Update(XnMSceneMetaData sceneMeta)
{
}
