class TViewerX3D: public TVirtualViewer3D

 Create ROOT X3D viewer.

 Create ROOT X3D viewer.

 Create ROOT X3D viewer.

 Delete ROOT X3D viewer.

 Close X3D Viewer

 Create the actual canvas.

 Setup geometry and initialize X3D.

 The x3d viewer cannot rebuild a scene once created

 The x3d viewer cannot rebuild a scene once created

 The x3d viewer cannot rebuild a scene once created

 We don't support placed IDs - discard

 Paint 3D PolyMarker

 This function may be called from a script to animate an X3D picture
 px, py  mouse position
command = 0       --- move to px,py
        = w       --- wireframe mode
        = e       --- hidden line mode
        = r       --- hidden surface mode
        = u       --- move object down
        = i       --- move object up
        = o       --- toggle controls style
        = s       --- toggle stereo display
        = d       --- toggle blue stereo view
        = f       --- toggle double buffer
        = h       --- move object right
        = j       --- move object forward
        = k       --- move object backward
        = l       --- move object left
        = x a     --- rotate about x
        = y b     --- rotate about y
        = z c     --- rotate about z
        = 1 2 3   --- autorotate about x
        = 4 5 6   --- autorotate about y
        = 7 8 9   --- autorotate about z
        = [ ] { } --- adjust focus
 Example:

{
   gSystem->Load("libX3d");
   TCanvas *c1 = new TCanvas("c1");
   TFile *f = new TFile("hsimple.root");
   TTree *ntuple = (TTree*)f->Get("ntuple");
   ntuple->SetMarkerColor(kYellow);
   ntuple->Draw("px:py:pz");
   TViewerX3D *x3d = new TViewerX3D(c1,"");
   for (Int_t i=0;i<500;i++) {
      Int_t px = i%500;
      Int_t py = (2*i)%200;
      x3d->ExecCommand(px,py,0);  //rotate
      if (i%20 >10) x3d->ExecCommand(px,py,'j'); //zoom
      if (i%20 <10) x3d->ExecCommand(px,py,'k'); //unzoom
   }
}

 Get position

 Close X3D window.

 Update X3D viewer.

 Handle menu and other command generated by the user.

 After button release get current position and update associated pad.

 TVirtualViewer3D interface

 Composite shapes not supported on this viewer currently - ignore.
 Will result in a set of component shapes