From Boris:

New version of the V0 detailed view.

diff --git a/EVE/EveBase/AliEveV0Editor.cxx b/EVE/EveBase/AliEveV0Editor.cxx
index 5935a48..f2e02f9 100644 (file)
--- a/EVE/EveBase/AliEveV0Editor.cxx
+++ b/EVE/EveBase/AliEveV0Editor.cxx
@@ -102,12 +102,16 @@ void AliEveV0Editor::SetModel(TObject* obj)
 #include <TEveWindow.h>
 #include <TEveViewer.h>
 #include <TEveScene.h>
+#include <TEveGeoNode.h>
+#include <TEveProjectionManager.h>
 
 #include <TGLCamera.h>
 #include <TGLViewer.h>
+#include "TGLCameraOverlay.h"
 
 #include <TLatex.h>
 #include <TRootEmbeddedCanvas.h>
+#include <TInterpreter.h>
 
 void AliEveV0Editor::DisplayDetailed()
 {
@@ -122,23 +126,71 @@ void AliEveV0Editor::DisplayDetailed()
   pack->NewSlot()->MakeCurrent();
   TEveViewer *bpViewer = gEve->SpawnNewViewer("V0 bending plane View");
   TEveScene  *bpScene  = gEve->SpawnNewScene("V0 bending plane Scene");
+
+  TEveUtil::LoadMacro("geom_gentle.C");
+  Long_t result = gInterpreter->ProcessLine("geom_gentle_rphi()");
+  if (result)
+  {
+    TEveGeoShape *geomRPhi = reinterpret_cast<TEveGeoShape*>(result);
+    geomRPhi->IncDenyDestroy();
+    TEveProjectionManager *projMgr = new TEveProjectionManager();
+    projMgr->ImportElements(geomRPhi, bpScene);
+  }
+  else
+  {
+    Warning("DisplayDetailed", "Import of R-Phi geometry failed.");
+  }
+
   bpViewer->AddScene(bpScene);
   bpScene->AddElement(fM);
+
+  char displayInfo[100] = {0};
+  sprintf(displayInfo,"pt = %.3f",fM->GetPt());
+  TEveLine *lv0TransverseMomentumDirection = new TEveLine(displayInfo);
+  lv0TransverseMomentumDirection->SetLineColor(kOrange+8);
+  lv0TransverseMomentumDirection->SetLineWidth(2);
+  lv0TransverseMomentumDirection->SetLineStyle(2);
+  lv0TransverseMomentumDirection->SetLineWidth(2);
+  Float_t scalePt = 100.;
+  lv0TransverseMomentumDirection->SetPoint(0,fM->fRecDecayV.fX, fM->fRecDecayV.fY, fM->fRecDecayV.fZ);
+  lv0TransverseMomentumDirection->SetPoint(1,scalePt*fM->fRecDecayP.fX, scalePt*fM->fRecDecayP.fY,0);
+  
+  bpScene->AddElement(lv0TransverseMomentumDirection);
+
+  TEvePointSet *pvlocation = new TEvePointSet("PV location");
+  pvlocation->SetNextPoint(fM->fRecBirthV.fX, fM->fRecBirthV.fY, fM->fRecBirthV.fZ);
+  pvlocation->SetTitle("pv location");
+  pvlocation->SetMarkerStyle(4);
+  pvlocation->SetMarkerSize(2.5);
+  pvlocation->SetMarkerColor(7);
+  bpScene->AddElement(pvlocation);
+
+  TEvePointSet *v0location = new TEvePointSet("V0 location");
+  v0location->SetNextPoint(fM->fRecDecayV.fX, fM->fRecDecayV.fY, fM->fRecDecayV.fZ);
+  v0location->SetTitle("v0 location");
+  v0location->SetMarkerStyle(4);
+  v0location->SetMarkerSize(2.5);
+  v0location->SetMarkerColor(kOrange+8);
+  bpScene->AddElement(v0location);
+
+  // show V0 position with a marker in orange
+  // show the pv in light blue...
+
   // This is the to-do list for the bending plane:
-  // 1. fix the view to orthographic XOY (no rotation allowed but moving the center ok) --tbu 
-  // 2. show axis and tickles along X and Y
-  // 3. show the center, the main vertex and the detectors for this view;
-  // 4. show V0 direction in the bending plane with arrow length proportional to pT;
-  // 5. show angles with respect to axis (phi angle).
+  // 1. fix the view to orthographic XOY (no rotation allowed but moving the center ok) ->done! 
+  // 2. show axis and tickles along X and Y   ->done!
+  // 3. show the center, the main vertex and the detectors for this view ->done!
+  // 4. show V0 direction in the bending plane with arrow length proportional to pT ->done!
+  // 5. show angles with respect to axis (phi angle) ->almost.
   bpViewer->GetGLViewer()->SetCurrentCamera(TGLViewer::kCameraOrthoXOY);
-  //  bpViewer->GetGLViewer()->GetOrthoXOYCamera()->SetEnableRotate(kFALSE);
   bpViewer->GetGLViewer()->ResetCamerasAfterNextUpdate();
-  //  bpViewer->GetGLViewer()->ResetCamerasAfterNextUpdate();
-  TGLCamera& bpCam = bpViewer->GetGLViewer()->CurrentCamera();
-  bpCam.SetExternalCenter(kTRUE);
-  //  bpCam.SetEnableRotate(kFALSE);
-  bpCam.SetCenterVec(fM->fRecDecayV.fX, fM->fRecDecayV.fY, fM->fRecDecayV.fZ);
+  TGLViewer *lbpGLViewer = bpViewer->GetGLViewer();
+  TGLCameraOverlay* co = lbpGLViewer->GetCameraOverlay();
+  co->SetShowOrthographic(true); //(false);
+  co->SetOrthographicMode(TGLCameraOverlay::kAxis); // ::kPlaneIntersect or ::kBar
   // end of the bending plane part
+  
+
 
   //
   // This part is for the decay plane view
@@ -171,28 +223,31 @@ void AliEveV0Editor::DisplayDetailed()
   // Calculation of the invariant mass with the max prob PID hypothesis first
   // pseudorapidity, phi angle, pt, radius, dcas
   char info[100] = {0};
-  sprintf(info,"#phi = %.3f",fM->GetPhi());
-  TLatex* ltx = new TLatex(0.1, 0.9, info);
+  sprintf(info,"#phi = %.3frad = %.1f°",fM->GetPhi(),57.296*fM->GetPhi());
+  TLatex* ltx = new TLatex(0.05, 0.9, info);
   ltx->SetTextSize(0.08);
   ltx->Draw();
 
   sprintf(info,"radius = %.3f [cm]",fM->GetRadius());
-  ltx->DrawLatex(0.1, 0.8, info);
+  ltx->DrawLatex(0.05, 0.8, info);
+
+  sprintf(info,"p_{T} = %.3f [GeV/c]",fM->GetPt());
+  ltx->DrawLatex(0.05, 0.7, info);
 
   sprintf(info,"daughters dca = %.3f [cm]",fM->GetDaughterDCA());
-  ltx->DrawLatex(0.1, 0.7, info);
+  ltx->DrawLatex(0.05, 0.6, info);
 
   sprintf(info,"#eta = - ln( tan(#theta/2) ) = %.3f",fM->GetEta());
-  ltx->DrawLatex(0.1, 0.6, info);
+  ltx->DrawLatex(0.05, 0.5, info);
 
   sprintf(info,"mass_{K^{0}_{s}} = %.3f [GeV/c^{2}]",fM->GetK0sInvMass());
-  ltx->DrawLatex(0.1, 0.3, info);
+  ltx->DrawLatex(0.05, 0.3, info);
 
   sprintf(info,"mass_{#Lambda} = %.3f [GeV/c^{2}]",fM->GetLambdaInvMass());
-  ltx->DrawLatex(0.1, 0.2, info);
+  ltx->DrawLatex(0.05, 0.2, info);
 
   sprintf(info,"mass_{#bar{#Lambda}} = %.3f [GeV/c^{2}]",fM->GetAntiLambdaInvMass());
-  ltx->DrawLatex(0.1, 0.1, info);
+  ltx->DrawLatex(0.05, 0.1, info);
 
   gEve->Redraw3D();
 }