Corrected trd visualizaion macros. Missing header file + protection against missing...

[u/mrichter/AliRoot.git] / EVE / alice-macros / fmd_hits2.C

diff --git a/EVE/alice-macros/fmd_hits2.C b/EVE/alice-macros/fmd_hits2.C
index 60d35a32150f6f3d336501e59fcf15705c4fd524..799084b53f476cd0c12f6b7b2cda323ff9424158 100644 (file)
--- a/EVE/alice-macros/fmd_hits2.C
+++ b/EVE/alice-macros/fmd_hits2.C
@@ -1,7 +1,40 @@
-void fmd_hits2()
+// $Id$
+// Main authors: Matevz Tadel & Alja Mrak-Tadel: 2006, 2007
+
+/**************************************************************************
+ * Copyright(c) 1998-2008, ALICE Experiment at CERN, all rights reserved. *
+ * See http://aliceinfo.cern.ch/Offline/AliRoot/License.html for          *
+ * full copyright notice.                                                 *
+ **************************************************************************/
+
+TEvePointSet*
+fmd_hits2(const char *varexp    = "fX:fY:fZ",
+         const char *selection = "")
 {
-  gStyle->SetPalette(1);
-  AliEveFMDLoader* gFmdLoader = AliEveFMDLoader::Instance();
-  gFmdLoader->LoadHits();
+  AliRunLoader* rl =  AliEveEventManager::AssertRunLoader();
+  rl->LoadHits("FMD");
+
+  TTree* ht = rl->GetTreeH("FMD", false);
+
+  //PH The line below is replaced waiting for a fix in Root
+  //PH which permits to use variable siza arguments in CINT
+  //PH on some platforms (alphalinuxgcc, solariscc5, etc.)
+  //PH  TEvePointSet* points = new TEvePointSet(Form("FMD Hits '%s'", selection));
+  char form[1000];
+  sprintf(form,"FMD Hits '%s'", selection);
+  TEvePointSet* points = new TEvePointSet(form);
+
+  TEvePointSelector ps(ht, points, varexp, selection);
+  ps.Select();
+
+  //PH  points->SetTitle(Form("N=%d", points->Size()));
+  sprintf(form,"N=%d", points->Size());
+  points->SetTitle(form);
+  points->SetMarkerSize(.5);
+  points->SetMarkerColor(2);
+
+  gEve->AddElement(points);
   gEve->Redraw3D();
+
+  return points;
 }