From 77485ab666b2aed7398c32e008ed50ab02291a8d Mon Sep 17 00:00:00 2001
From: marian <marian@f7af4fe6-9843-0410-8265-dc069ae4e863>
Date: Thu, 8 Jul 2010 14:33:53 +0000
Subject: [PATCH] Speedup of visualization. make summary file

---
 TPC/scripts/OCDBscan/makeChain.C | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 TPC/scripts/OCDBscan/makeChain.C

diff --git a/TPC/scripts/OCDBscan/makeChain.C b/TPC/scripts/OCDBscan/makeChain.C
new file mode 100644
index 00000000000..79028ed08bc
--- /dev/null
+++ b/TPC/scripts/OCDBscan/makeChain.C
@@ -0,0 +1,16 @@
+// Make a summary tree
+// Use guiTime with summary file  - it is faster as with chain
+// guiTime calibTimeSummary.root 
+
+
+void MakeChain(const char *prefix){
+  gSystem->Exec(Form("find %s |grep calibTree | grep root > calib.list",prefix));
+  AliXRDPROOFtoolkit::FilterList("calib.list","* dcs",1);
+  AliXRDPROOFtoolkit toolkit;
+  TChain * chain = toolkit.MakeChain("calib.list.Good","dcs",0,2000);
+  chain->Lookup();
+  TTree * tree = chain->CopyTree("1");
+  TFile f("calibTimeSummary.root","recreate");
+  tree->Write("dcs");
+  f.Close();
+}
-- 
2.43.0