Remove information printout.

From Jochen: New macro cone_test.C showing usage of TEveJEtCone class.

diff --git a/EVE/EveBase/TEveJetConeGL.cxx b/EVE/EveBase/TEveJetConeGL.cxx
index af75216bf9623312dfaab8e03a754f66fabaf5f2..e64bb2437080dbc405cd0adcfd8ba7cf9bddccda 100644 (file)
--- a/EVE/EveBase/TEveJetConeGL.cxx
+++ b/EVE/EveBase/TEveJetConeGL.cxx
@@ -62,7 +62,7 @@ void TEveJetConeGL::DirectDraw(TGLRnrCtx & rnrCtx) const
 {
    // Render with OpenGL.
 
-   printf("TEveJetConeGL::DirectDraw LOD %d\n", rnrCtx.CombiLOD());
+   // printf("TEveJetConeGL::DirectDraw LOD %d\n", rnrCtx.CombiLOD());
 
    glPushAttrib(GL_ENABLE_BIT | GL_POLYGON_BIT);
 

diff --git a/EVE/test-macros/cone_test.C b/EVE/test-macros/cone_test.C
new file mode 100644 (file)
index 0000000..0c50853
--- /dev/null
+++ b/EVE/test-macros/cone_test.C
@@ -0,0 +1,155 @@
+// Demonstrates usage of TEveJetCone class.
+// Author: Jochen Thaeder
+
+void cone_test() {
+
+  using namespace TMath;
+
+  TRandom r(0);
+
+  // -- Set Constants
+  Int_t nCones  = 10;
+  Int_t nTracks = 200;
+
+  Float_t coneRadius = 0.4;
+  Float_t length = 300.;
+
+  // -- Define palette
+  gStyle->SetPalette(1, 0);
+  TEveRGBAPalette* pal = new TEveRGBAPalette(0, 500);
+
+  // -----------------------------------------------------------------------------------
+  // -- Line sets
+  // -----------------------------------------------------------------------------------
+
+  // -- Define cone center
+  TEveStraightLineSet* axis = new TEveStraightLineSet("Cone Axis");
+  axis->SetLineColor(kGreen);
+  axis->SetLineWidth(2);
+  
+  TEveStraightLineSet* tracksXYZ = new TEveStraightLineSet("StraightLinesXYZ");
+  tracksXYZ->SetLineColor(kRed);
+  tracksXYZ->SetLineWidth(2);
+
+  TEveStraightLineSet* tracksEtaPhi = new TEveStraightLineSet("StraightLinesEtaPhi");
+  tracksEtaPhi->SetLineColor(kYellow);
+  tracksEtaPhi->SetLineWidth(2);
+
+  TEveStraightLineSet* tracksSeedEtaPhi = new TEveStraightLineSet("StraightLinesEtaPhiSeed");
+  tracksSeedEtaPhi->SetLineColor(kBlue);
+  tracksSeedEtaPhi->SetLineWidth(2);
+
+  // -----------------------------------------------------------------------------------
+  // -- Draw track distribution in XYZ ( in TPC Volume ) ( +/-250, +/-250, +/-250 )
+  // -----------------------------------------------------------------------------------
+  
+  for ( Int_t track=0; track < nTracks ; track++ ) {
+    
+    Float_t trackX = r.Uniform(-250.0, 250.0);
+    Float_t trackY = r.Uniform(-250.0, 250.0);
+    Float_t trackZ = r.Uniform(-250.0, 250.0);
+    Float_t trackR = (Float_t) Sqrt ( trackX*trackX + trackY*trackY + trackZ*trackZ );
+    
+    /*
+      Float_t trackEta =  0.5 * (Float_t) Log( (Double_t)(( trackR+trackZ )/( trackR-trackZ )) ); 
+      Float_t trackPhi = (Float_t) ATan2( (Double_t) trackY, (Double_t) trackX );  
+      if ( trackPhi < 0. ) trackPhi += (Float_t) TwoPi();
+    */
+
+    TEveVector trackDir(trackX/trackR, trackY/trackR ,trackZ/trackR);
+    TEveVector trackEnd = trackDir * length; 
+    tracksXYZ->AddLine(0., 0., 0., trackEnd.fX, trackEnd.fY, trackEnd.fZ );
+  }
+  
+  // -----------------------------------------------------------------------------------
+  // -- Draw track distribution in eta phi ( in TPC Volume ) ( +/-0.9, {0, 2Pi} )
+  // -----------------------------------------------------------------------------------
+
+  for ( Int_t track=0; track < nTracks ; track++ ) {
+
+    Float_t trackEta = r.Uniform(-0.9, 0.9);
+    Float_t trackPhi = r.Uniform(0.0, TwoPi());
+
+    TEveVector trackDir( GetTEveVector(trackEta, trackPhi) );
+    TEveVector trackEnd = trackDir * length; 
+    
+    if ( trackEta > coneRadius || trackEta < -coneRadius )
+      tracksEtaPhi->AddLine(0., 0., 0., trackEnd.fX, trackEnd.fY, trackEnd.fZ );
+    else
+      tracksSeedEtaPhi->AddLine(0., 0., 0., trackEnd.fX, trackEnd.fY, trackEnd.fZ );
+  }
+  
+  // -----------------------------------------------------------------------------------
+  // -- Draw cones
+  // -----------------------------------------------------------------------------------
+
+  for ( Int_t iter = 0; iter < nCones; ++iter ) {
+  
+    // -- Get Random ( eta ,phi )
+    Float_t coneEta = r.Uniform(-0.9, 0.9);
+    Float_t conePhi = r.Uniform(0.0, TwoPi() );
+
+    // -- Primary vertx as origin
+    TEveVector coneOrigin(0.0,0.0,0.0);
+    
+    // -- Get Cone Axis - axis line 10% longer than cone height
+    TEveVector coneAxis ( GetTEveVector( coneEta, conePhi) );
+    coneAxis *= length * 1.1;
+    
+    axis->AddLine( 0., 0., 0., coneAxis.fX, coneAxis.fY, coneAxis.fZ );        
+    
+    // -- Draw jet cone
+    TEveJetCone* jetCone = new TEveJetCone("JetCone");
+    jetCone->SetCylinder( 250., 250. );
+    if ( (jetCone->AddCone( coneEta, conePhi, coneRadius   ) ) != -1)
+      gEve->AddElement( jetCone );
+  }
+
+  // -----------------------------------------------------------------------------------
+ 
+  // -- Add cone axis
+  gEve->AddElement(axis);
+  
+  // -- Add lines
+  //  gEve->AddElement(tracksXYZ);
+  gEve->AddElement(tracksSeedEtaPhi);
+  gEve->AddElement(tracksEtaPhi);
+  
+  // -- Load TPC geometry
+  geomGentleTPC();
+
+  gEve->Redraw3D(kTRUE);
+
+  return;
+}
+
+// ################################################################################
+// ################################################################################
+
+// ################################################################################
+TEveVector GetTEveVector( Float_t& eta, Float_t& phi ) {
+  
+  TEveVector vec( (Float_t) Cos ( (Double_t) phi)/ CosH( (Double_t) eta ),
+                 (Float_t) Sin ( (Double_t) phi)/ CosH( (Double_t) eta ),
+                 (Float_t) TanH( (Double_t) eta ) );
+  return vec;
+}
+
+// ################################################################################
+void geomGentleTPC() {  
+  
+  TFile f("$ALICE_ROOT/EVE/alice-data/gentle_geo.root");
+  TEveGeoShapeExtract* gse = (TEveGeoShapeExtract*) f.Get("Gentle");
+  TEveGeoShape* gsre = TEveGeoShape::ImportShapeExtract(gse, 0);
+  gEve->AddGlobalElement(gsre);
+  f.Close();
+
+  TEveElement* elTRD = gsre->FindChild("TRD+TOF");
+  elTRD->SetRnrState(kFALSE);
+
+  TEveElement* elPHOS = gsre->FindChild("PHOS");
+  elPHOS->SetRnrState(kFALSE);
+
+  TEveElement* elHMPID = gsre->FindChild("HMPID");
+  elHMPID->SetRnrState(kFALSE);
+}