> Hi Heresy,
> Thanks so much for the idea but i am having problems with this
> approach as well. This is what i did in the Openni User Tracker.

>      nRetVal = g_Context.FindExistingNode(XN_NODE_TYPE_DEPTH,
> g_DepthGenerator);
>      CHECK_RC(nRetVal, "Find depth generator");

>         nRetVal =
> g_Context.CreateMockNodeBasedOn(g_DepthGenerator,"MockDepth",g_mockdepth);
>       //nRetVal =
> g_mockdepth.CreateBasedOn(g_DepthGenerator,"MockDepth");    // I also
> tried this but did not work either
>       CHECK_RC(nRetVal, "Create mock depth node");
>       xn::Query xQuery;
>         xQuery.AddNeededNode("MockDepth");
>          // Adding the Skeletal and Pose detection capabilities
>         xQuery.AddSupportedCapability(XN_CAPABILITY_SKELETON);
>         xQuery.AddSupportedCapability(XN_CAPABILITY_POSE_DETECTION);

>         nRetVal = g_Context.FindExistingNode(XN_NODE_TYPE_USER,
> g_UserGenerator);
>         if (nRetVal != XN_STATUS_OK) {
>                 nRetVal = g_UserGenerator.Create(g_Context,&xQuery);
>                 CHECK_RC(nRetVal, "Find user generator");
>         }

>   This is what is done in the while loop
> {

>                 g_Context.WaitAndUpdateAll();
>                  g_DepthGenerator.GetMetaData(depthMD);
>                  nRetVal = depthMD.MakeDataWritable();
>                 //transformDepthMD(depthMD);   // we could use this to modify the
> depth map but for the time being i have commented it out
>                 nRetVal = g_mockdepth.SetData(depthMD);
>                .....
>                .....
>                .....
>                .....
>                .....
>                .....

> }

>    Problem:
> Now the problem is there is no compilation error but in runtime there
> is no output like nothing happens.
> Do you have any idea what could be the problem thanks again :)

> On May 2, 7:34 am, Heresy <kher...@gmail.com> wrote:

> > Create a mock depth generator like what "NiRecordSynthetic" do.
> > When you create the user generator, you need to use xn::Query to make the
> > user generator get data from the mock depth node.

> > // mock depth generator

> > > xn::MockDepthGenerator xMockDepth;
> > > xMockDepth.CreateBasedOn( xDepthGen, "MockDepth" );
> > > // create user generator using mock depth generator
> > > xn::Query xQuery;
> > > xQuery.AddNeededNode( "MockDepth" );
> > > xn::UserGenerator xUser;
> > > xUser.Create( xContext, &xQuery );

> > Tayyab於 2012年4月28日星期六UTC+8上午1時07分43秒寫道：

> > > Hi ,
> > > I have been working with Kinect for quite a while now. I wanted to
> > > know that is there a way to modify the depth Map of the Live sensor
> > > data and feed the modified depth to the user generator for user
> > > tracker application. Apparently there is no direct connection but User
> > > Generator uses depth generator for tracking.
> > > I have tried working with the Mock depth generator but it does not
> > > seem to work on live depth data whereas works on recorded file as in
> > > an example 'NiRecordSynthetic'.
> > > I have also had a look on the microsoft-openni bridge but it seems to
> > > work on Windows only, and i am using linux.
> > >https://www.assembla.com/code/kinect-mssdk-openni-bridge/git/nodes/

> > > Does anyone have an idea, how we can approach the problem.

> > > Any help would be appreciated.

> > > Thanks