Ejemplo n.º 1
0
void its_module_stepper(Int_t det = 0)
{
  AliRunLoader* rl =  AliEveEventManager::AssertRunLoader();
  rl->LoadDigits("ITS");
  TTree* dt = rl->GetTreeD("ITS", false);

  AliEveITSDigitsInfo* di = new AliEveITSDigitsInfo();
  di->SetTree(dt);
  di->Dump();

  gEve->DisableRedraw();
  AliEveITSModuleStepper* ms = new AliEveITSModuleStepper(di);
  ms->SetMainColor(8);
  gStyle->SetPalette(1, 0);
  ms->DisplayDet(det, -1);
  gEve->AddElement(ms);
  gEve->Redraw3D(kTRUE); // To enforce camera reset
  gEve->EnableRedraw();

  TGLViewer* v = gEve->GetDefaultGLViewer();
  v->SetCurrentCamera(TGLViewer::kCameraOrthoXOY);
  
  /*
   * Disabling obsolete code
   * 
   */
  //TGLCameraMarkupStyle* mup = v->GetCameraMarkup();
  //if(mup) mup->SetShow(kFALSE);
}
Ejemplo n.º 2
0
//__________________________________________________________________________
Bool_t Draw_Geom(const TGeoManager* geoManager) 
{
   // -------------------------------------
   // -- Draw the vis-geometry in OpenGLViewer
   TCanvas* canvas = new TCanvas("GeomCanvas","Canvas for visualisation of EDM Geom",60,40,600,600);
   canvas->cd();
   geoManager->GetTopVolume()->Draw("ogl");
   geoManager->SetVisLevel(4); // Default draws 4 levels down volume heirarchy
   geoManager->SetVisOption(0); // Default is 1, but 0 draws all the intermediate volumes not just the final bottom layer
   geoManager->ViewLeaves(kTRUE);
   
   // -- Get the GLViewer so we can manipulate the camera
   TGLViewer * glViewer = dynamic_cast<TGLViewer*>(gPad->GetViewer3D());
   // -- Select Draw style 
   glViewer->SetStyle(TGLRnrCtx::kFill); // TGLRnrCtx::kFill, TGLRnrCtx::kOutline, TGLRnrCtx::kWireFrame
   // -- Set Background colour
   glViewer->SetClearColor(TColor::kWhite);
   // -- Set Lights - turn some off if you wish
// TGLLightSet* lightSet = glViewer->GetLightSet();
// lightSet->SetLight(TGLLightSet::kLightLeft, kFALSE);
   // -- Set Camera type
   // kCameraPerspXOZ, kCameraPerspYOZ, kCameraPerspXOY, kCameraOrthoXOY
   // kCameraOrthoXOZ, kCameraOrthoZOY, kCameraOrthoXnOY, kCameraOrthoXnOZ, kCameraOrthoZnOY
   TGLViewer::ECameraType camera = 2;
   glViewer->SetCurrentCamera(camera);
   glViewer->CurrentCamera().SetExternalCenter(kTRUE);
   Double_t cameraCentre[3] = {0., 0., 0.};
   glViewer->SetPerspectiveCamera(camera,4,100,&cameraCentre[0],0,0);
   // -- Draw Reference Point, Axes
   Double_t refPoint[3] = {0.,0.,0.};
   // Int_t axesType = 0(Off), 1(EDGE), 2(ORIGIN), Bool_t axesDepthTest, Bool_t referenceOn, const Double_t referencePos[3]
   glViewer->SetGuideState(0, kFALSE, kFALSE, refPoint);
   glViewer->UpdateScene();
   return kTRUE;
}
Ejemplo n.º 3
0
void compound()
{
   TEveManager::Create();

   TEveLine* ml = new TEveLine;
   ml->SetMainColor(kRed);
   ml->SetLineStyle(2);
   ml->SetLineWidth(3);
   gEve->InsertVizDBEntry("BigLine", ml);

   TEveCompound* cmp = new TEveCompound;
   cmp->SetMainColor(kGreen);
   gEve->AddElement(cmp);

   TRandom rnd(0);

   cmp->OpenCompound();

   cmp->AddElement(random_line(rnd, 20, 10));
   cmp->AddElement(random_line(rnd, 20, 10));

   TEveLine* line = random_line(rnd, 20, 12);
   line->ApplyVizTag("BigLine");
   cmp->AddElement(line);

   cmp->CloseCompound();

   // Projected view
   TEveViewer *viewer = gEve->SpawnNewViewer("Projected");
   TEveScene  *scene  = gEve->SpawnNewScene("Projected Event");
   viewer->AddScene(scene);
   {
      TGLViewer* v = viewer->GetGLViewer();
      v->SetCurrentCamera(TGLViewer::kCameraOrthoXOY);
   }

   // projections
   TEveProjectionManager* mng = new TEveProjectionManager(TEveProjection::kPT_RPhi);
   scene->AddElement(mng);
   TEveProjectionAxes* axes = new TEveProjectionAxes(mng);
   scene->AddElement(axes);
   gEve->AddToListTree(axes, kTRUE);
   gEve->AddToListTree(mng, kTRUE);

   mng->ImportElements(cmp);

   gEve->Redraw3D(kTRUE);
}
Ejemplo n.º 4
0
void projection()
{
   TFile::SetCacheFileDir(".");
   TEveManager::Create();

   // camera
   TEveScene* s = gEve->SpawnNewScene("Projected Event");
   gEve->GetDefaultViewer()->AddScene(s);
   TGLViewer* v = gEve->GetDefaultGLViewer();
   v->SetCurrentCamera(TGLViewer::kCameraOrthoXOY);
   TGLOrthoCamera* cam = (TGLOrthoCamera*) v->CurrentCamera();
   cam->SetZoomMinMax(0.2, 20);

   // projections
   TEveProjectionManager* mng =
      new TEveProjectionManager(TEveProjection::kPT_RPhi);
   s->AddElement(mng);
   TEveProjectionAxes* axes = new TEveProjectionAxes(mng);
   axes->SetTitle("TEveProjections demo");
   s->AddElement(axes);
   gEve->AddToListTree(axes, kTRUE);
   gEve->AddToListTree(mng, kTRUE);

   // Simple geometry
   TFile* geom = TFile::Open(esd_geom_file_name, "CACHEREAD");
   if (!geom)
      return;

   TEveGeoShapeExtract* gse = (TEveGeoShapeExtract*) geom->Get("Gentle");
   TEveGeoShape* gsre = TEveGeoShape::ImportShapeExtract(gse, 0);
   geom->Close();
   delete geom;
   gsre->SetPickableRecursively(kTRUE);
   gEve->AddGlobalElement(gsre);
   gEve->GetGlobalScene()->SetRnrState(kFALSE);
   mng->ImportElements(gsre);

   TEveLine* line = new TEveLine;
   line->SetMainColor(kGreen);
   for (Int_t i=0; i<160; ++i)
      line->SetNextPoint(120*sin(0.2*i), 120*cos(0.2*i), 80-i);
   gEve->AddElement(line);
   mng->ImportElements(line);
   line->SetRnrSelf(kFALSE);

   gEve->Redraw3D(kTRUE);
}
Ejemplo n.º 5
0
//______________________________________________________________________________
TEveCaloLego* MakeCaloLego(TEveCaloData* data, TEveWindowSlot* slot)
{
   // Eta-phi lego view.

   TEveViewer* v;
   TEveScene* s;
   if (slot)
   {
      TEveViewer* v; TEveScene* s;
      MakeViewerScene(slot, v, s);
   } else {
      v = gEve->GetDefaultViewer();
      s = gEve->GetEventScene();
   }
   v->SetElementName("Viewer - Lego");
   s->SetElementName("Scene - Lego");

   gStyle->SetPalette(1, 0);
   TEveCaloLego* lego = new TEveCaloLego(data);
   s->AddElement(lego);

   // By the default lego extends is (1x1x1). Resize it to put in 'natural' 
   // coordinates, so that y extend in 2*Pi and set height of lego two times
   //  smaller than y extend to have better view in 3D perspective.
   lego->InitMainTrans();
   lego->RefMainTrans().SetScale(TMath::TwoPi(), TMath::TwoPi(), TMath::Pi());

   // draws scales and axis on borders of window
   TGLViewer* glv = v->GetGLViewer();
   TEveCaloLegoOverlay* overlay = new TEveCaloLegoOverlay();
   glv->AddOverlayElement(overlay);
   overlay->SetCaloLego(lego);

   // set event handler to move from perspective to orthographic view.
   glv->SetCurrentCamera(TGLViewer::kCameraOrthoXOY);
   glv->SetEventHandler
      (new TEveLegoEventHandler(glv->GetGLWidget(), glv, lego));
   gEve->AddToListTree(lego, kTRUE);

   return lego;
}