macros/common/DisplayOn.C

0001 #ifndef MACRO_DISPLAYON_C
0002 #define MACRO_DISPLAYON_C
0003
0004 #include <g4main/PHG4Reco.h>
0005
0006 #include <fun4all/Fun4AllServer.h>
0007
0008 R__LOAD_LIBRARY(libfun4all.so)
0009 R__LOAD_LIBRARY(libg4testbench.so)
0010
0011 namespace Enable
0012 {
0013   bool DISPLAY = false;
0014 }
0015
0016 // This starts the QT based G4 gui which takes control
0017 // when x'ed out it will return a pointer to PHG4Reco so
0018 // the gui can be startrd again
0019 PHG4Reco *QTGui()
0020 {
0021   Fun4AllServer *se = Fun4AllServer::instance();
0022   PHG4Reco *g4 = (PHG4Reco *) se->getSubsysReco("PHG4RECO");
0023   g4->InitRun(se->topNode());
0024   g4->ApplyDisplayAction();
0025   g4->StartGui();
0026   return g4;
0027 }
0028
0029 // stupid macro to turn on the geant4 display
0030 // we ask Fun4All for a pointer to PHG4Reco
0031 // using the ApplyCommand will start up the
0032 // G4 cmd interpreter and graphics system
0033 // the vis.mac contains the necessary commands to
0034 // start up the visualization, the next event will
0035 // be displayed. Do not execute this macro
0036 // before PHG4Reco was registered with Fun4All
0037 PHG4Reco *DisplayOn(const char *mac = "vis.mac")
0038 {
0039   char cmd[100];
0040   Fun4AllServer *se = Fun4AllServer::instance();
0041   PHG4Reco *g4 = (PHG4Reco *) se->getSubsysReco("PHG4RECO");
0042   g4->InitRun(se->topNode());
0043   g4->ApplyDisplayAction();
0044   sprintf(cmd, "/control/execute %s", mac);
0045   g4->ApplyCommand(cmd);
0046   return g4;
0047 }
0048 // print out the commands I always forget
0049 void displaycmd()
0050 {
0051   cout << "draw axis: " << endl;
0052   cout << " g4->ApplyCommand(\"/vis/scene/add/axes 0 0 0 50 cm\")" << endl;
0053   cout << "zoom" << endl;
0054   cout << " g4->ApplyCommand(\"/vis/viewer/zoom 1\")" << endl;
0055   cout << "viewpoint:" << endl;
0056   cout << " g4->ApplyCommand(\"/vis/viewer/set/viewpointThetaPhi 0 0\")" << endl;
0057   cout << "panTo:" << endl;
0058   cout << " g4->ApplyCommand(\"/vis/viewer/panTo 0 0 cm\")" << endl;
0059   cout << "print to eps:" << endl;
0060   cout << " g4->ApplyCommand(\"/vis/ogl/printEPS\")" << endl;
0061   cout << "set background color:" << endl;
0062   cout << " g4->ApplyCommand(\"/vis/viewer/set/background white\")" << endl;
0063 }
0064 #endif