From: mtadel <mtadel@f7af4fe6-9843-0410-8265-dc069ae4e863>
Date: Mon, 4 Dec 2006 11:37:18 +0000 (+0000)
Subject: New file: bootstrap track-counting user interface.
X-Git-Url: http://git.uio.no/git/?p=u%2Fmrichter%2FAliRoot.git;a=commitdiff_plain;h=6f2dc95af90842487933514368221aeee1ebe7ce

New file: bootstrap track-counting user interface.
---

diff --git a/EVE/macros/trackcount_init.C b/EVE/macros/trackcount_init.C
new file mode 100644
index 00000000000..f89a0d4e36a
--- /dev/null
+++ b/EVE/macros/trackcount_init.C
@@ -0,0 +1,75 @@
+Reve::TrackCounter* g_trkcnt = 0;
+
+void trackcount_init()
+{
+  Reve::LoadMacro("alieve_init.C");
+  alieve_init(".", -1);
+
+  {
+    TGLViewer* glv = dynamic_cast<TGLViewer*>(gReve->GetGLCanvas()->GetViewer3D());
+    glv->SetIgnoreSizesOnUpdate(kTRUE);
+    // The size of ortho cameras can not be set in advance.
+    // glv->SetOrthoCamera(TGLViewer::kCameraOrthoXOY, -0.1, 0.1, 0.1, -0.1);
+    // glv->SetOrthoCamera(TGLViewer::kCameraOrthoZOY, -22, 22, 22, -22);
+  }
+
+  g_trkcnt = new Reve::TrackCounter("Primary Counter");
+  gReve->AddGlobalRenderElement(g_trkcnt);
+
+  Alieve::gEvent->AddNewEventCommand("on_new_event();");
+  Alieve::gEvent->GotoEvent(0);
+}
+
+void on_new_event()
+{
+  Reve::LoadMacro("primary_vertex.C");
+  Reve::LoadMacro("esd_tracks.C");
+  Reve::LoadMacro("its_hits.C");
+  Reve::LoadMacro("tpc_hits.C");
+
+  Reve::PointSet* p = its_hits();
+  p->SetMarkerStyle(4);
+
+  primary_vertex(1, 1);
+
+  Reve::RenderElementList* cont = esd_tracks_vertex_cut();
+  TGListTree* lt = gReve->GetListTree();
+  TGListTreeItem* ti = cont->FindListTreeItem(lt);
+  lt->OpenItem(ti);
+
+  // Here we expect five TrackList containers.
+  // First two have reasonable primaries (sigma-to-prim-vertex < 5).
+  // Other three are almost certainly secondaries.
+  Int_t count = 1;
+  g_trkcnt->Reset();
+  Reve::RenderElement::lpRE_i i = cont->BeginChildren();
+  while (i != cont->EndChildren()) {
+    Reve::TrackList* l = dynamic_cast<Reve::TrackList*>(*i);
+    if (l != 0) {
+      l->SetWidth(2);
+      g_trkcnt->RegisterTracks(l, (count <= 2));
+      ++count;
+    }
+    ++i;
+  }
+}
+
+void id(Int_t label=0, Bool_t showParents=kFALSE)
+{
+  AliRunLoader* rl = Alieve::Event::AssertRunLoader();
+  rl->LoadKinematics();
+  AliStack* stack = rl->Stack();
+
+  printf("Number primaries %d %d\n", stack->GetNprimary(), stack->GetNtrack());
+
+  TParticle* part = stack->Particle(label);
+  if(part != 0) {
+    part->Print();
+    if(showParents) {
+      while(part->GetMother(0) >= 0) {
+	part = stack->Particle(part->GetMother(0));
+	part->Print();
+      }
+    }
+  }
+}