Moved from repository clitk.private to tools

[clitk.git] / tests_dav / clitkMergeRootFiles.cxx

diff --git a/tests_dav/clitkMergeRootFiles.cxx b/tests_dav/clitkMergeRootFiles.cxx
index b4b6721fdc7da90b3e0fe2248b21d5ca3aad57d1..4bd0634a763afd5e84cc234a4b0e5613472d6b9a 100644 (file)
--- a/tests_dav/clitkMergeRootFiles.cxx
+++ b/tests_dav/clitkMergeRootFiles.cxx
@@ -10,14 +10,41 @@
 
 #include "clitkMergeRootFiles_ggo.h"
 #include "clitkCommon.h"
+#include "GateMergeManager.hh"
 #include <string> 
-#include "TROOT.h"
-#include "TFile.h"
-#include "TFileMerger.h"
+#include <TROOT.h>
+#include <TPluginManager.h>
+#include <TFile.h>
+#include <TKey.h>
+#include <TFileMerger.h>
+#include <TTree.h>
+#include <TChain.h>
+#include <TH1.h>
+#include <TH2.h>
+#include <iostream>
+
+using std::endl;
+using std::cout;
+
+struct PetInputFile
+{
+       string filename;
+       double mean_time;
+};
+
+bool sort_pet_input_file(const PetInputFile& a, const PetInputFile& b)
+{
+       return a.mean_time<b.mean_time;
+};
+
+typedef std::vector<PetInputFile> PetInputFiles;
 
 //-----------------------------------------------------------------------------
 int main(int argc, char * argv[]) {
 
+  gROOT->GetPluginManager()->AddHandler("TVirtualStreamerInfo", "*",
+      "TStreamerInfo", "RIO", "TStreamerInfo()");
+
   // init command line
   GGO(clitkMergeRootFiles, args_info);
 
@@ -26,6 +53,63 @@ int main(int argc, char * argv[]) {
     FATAL("Error, please provide at least two inputs files");
   }
 
+  { // Detect Pet output
+         bool all_pet_output = true;
+         PetInputFiles pet_input_files;
+         for (uint i=0; i<args_info.input_given; i++) 
+         {
+                 const char* filename = args_info.input_arg[i];
+                 PetInputFile input_file;
+                 input_file.filename = filename;
+                 TFile* handle = TFile::Open(filename,"READ");
+                 assert(handle);
+                 TTree* hits = dynamic_cast<TTree*>(handle->Get("Hits"));
+                 TTree* singles = dynamic_cast<TTree*>(handle->Get("Singles"));
+                 const bool is_pet_output = (hits!=NULL) && (singles!=NULL);
+                 cout << "testing " << filename << " is_pet_output " << is_pet_output;
+
+                 if (is_pet_output)
+                 {
+                         double time;
+                         double time_accum = 0;
+                         singles->SetBranchAddress("time",&time);
+                         size_t total = singles->GetEntries();
+                         for (size_t kk=0; kk<total; kk++)
+                         {
+                                 singles->GetEntry(kk);
+                                 time_accum += time;
+                         }
+                                 
+                         input_file.mean_time = time_accum/total;
+                         pet_input_files.push_back(input_file);
+                         cout << " mean_time " << input_file.mean_time;
+                 }
+
+                 cout << endl;
+
+                 handle->Close();
+                 delete handle;
+                 all_pet_output &= is_pet_output;
+         }
+         cout << "all_pet_output " << all_pet_output << endl;
+
+         if (all_pet_output)
+         {
+                 GateMergeManager manager(args_info.fastmerge_given,args_info.verbose_arg,true,0,"");
+
+                 cout << "sorting input file using singles time" << endl;
+                 std::sort(pet_input_files.begin(),pet_input_files.end(),sort_pet_input_file);
+
+                 Strings input_filenames;
+                 for (PetInputFiles::const_iterator iter=pet_input_files.begin(); iter!=pet_input_files.end(); iter++)
+                         input_filenames.push_back(iter->filename);
+
+                 manager.StartMergingFromFilenames(input_filenames,args_info.output_arg);
+                 return 0;
+         }
+  }
+
+
   // Merge
   TFileMerger * merger = new TFileMerger;
   for (uint i=0; i<args_info.input_given; i++) merger->AddFile(args_info.input_arg[i]);