| 1 | // | 
| 2 | // EventViewer.cc -- standalone program to call the EventViewer macro. | 
| 3 | //    by Emiliano Mocchiutti | 
| 4 | // | 
| 5 | //   Version 1.00 (2005/11/07) | 
| 6 | // | 
| 7 | // Changelog: | 
| 8 | // | 
| 9 | // 0.00 - 1.00 : working. | 
| 10 | // | 
| 11 | #include <TSystem.h> | 
| 12 | #include <iostream> | 
| 13 | #include <sys/types.h> | 
| 14 | #include <unistd.h> | 
| 15 | #include <stdio.h> | 
| 16 | // | 
| 17 | #include <FEventViewerCore.h> | 
| 18 | #include <FEVVerl2.h> | 
| 19 | // | 
| 20 | using namespace std; | 
| 21 | // | 
| 22 | int main(int numinp, char *inps[]){ | 
| 23 | TString name = ""; | 
| 24 | TString selfile = ""; | 
| 25 | TString outdir = ""; | 
| 26 | bool beverbose = false; | 
| 27 | if ( numinp > 1 ){ | 
| 28 | if ( !strcmp(inps[1],"--version") ){ | 
| 29 | FEVInfo(true); | 
| 30 | return(0); | 
| 31 | }; | 
| 32 | if ( !strcmp(inps[1],"-h") || !strcmp(inps[1],"--help") || numinp>7 ){ | 
| 33 | printf("\nUsage:\n\n EventViewer [-v] file selection_file output_dir \n"); | 
| 34 | printf("\n -v                be verbose and do not fork after launching the GUI\n"); | 
| 35 | printf(  "  file             must be in the form: /path/to/filesfromyoda/dw_000000_00000/  \n"); | 
| 36 | printf(  "  selection_file   selection file, empty if no selection is required \n"); | 
| 37 | printf(  "  outDir           directory where to save figures\n"); | 
| 38 | printf("\nExamples: \n\nEventViewer /home/pamela/filesfromyoda/dw_050301_00100/ \"\" /home/pamela/\n"); | 
| 39 | printf(                "EventViewer -v /home/pamela/filesfromyoda/dw_050301_00100/ muselection.c \"\"\n\n"); | 
| 40 | printf(                "EventViewer \n\n"); | 
| 41 | printf(                "EventViewer -v \n\n"); | 
| 42 | return(0); | 
| 43 | }; | 
| 44 | if ( !strcmp(inps[1],"-v") || !strcmp(inps[1],"--verbose") ){ | 
| 45 | beverbose = true; | 
| 46 | if ( numinp >= 3 ) name = (TString)inps[2]; | 
| 47 | if ( numinp >= 4 ) selfile = (TString)inps[3]; | 
| 48 | if ( numinp == 5 ) outdir = (TString)inps[4]; | 
| 49 | } else { | 
| 50 | name = (TString)inps[1]; | 
| 51 | if ( numinp >= 3 ) selfile = (TString)inps[2]; | 
| 52 | if ( numinp >= 4 ) outdir = (TString)inps[3]; | 
| 53 | }; | 
| 54 | }; | 
| 55 | if ( beverbose ){ | 
| 56 | ShowEvent(name,selfile,outdir); | 
| 57 | } else { | 
| 58 | // | 
| 59 | // redirect to dev/null the stdout | 
| 60 | // | 
| 61 | int nul; | 
| 62 | nul = open("/dev/null", O_CREAT | O_RDWR,S_IREAD | S_IWRITE); | 
| 63 | dup2(nul,1); | 
| 64 | dup2(nul,2); | 
| 65 | close(nul); | 
| 66 | // | 
| 67 | printf("\n Welcome to  the PAMELA event viewer! \n\n"); | 
| 68 | // | 
| 69 | // fork process | 
| 70 | // | 
| 71 | pid_t pid; | 
| 72 | if( (pid=fork()) == -1 ){ | 
| 73 | fprintf(stderr," Fork error. Exiting.\n"); | 
| 74 | exit(1); | 
| 75 | }; | 
| 76 | if( !pid ) { | 
| 77 | ShowEvent(name,selfile,outdir); | 
| 78 | }; | 
| 79 | }; | 
| 80 | // | 
| 81 | return(0); | 
| 82 | } |