Analysis Software
Documentation for sPHENIX simulation software
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
DisplayOn.C
Go to the documentation of this file. Or view the newest version in sPHENIX GitHub for file DisplayOn.C
1 #ifndef FUN4ALL_TUTORIAL_G4_DISPLAYON_C
2 #define FUN4ALL_TUTORIAL_G4_DISPLAYON_C
3 
4 #include <g4main/PHG4Reco.h>
5 
7 
8 // This starts the QT based G4 gui which takes control
9 // when x'ed out it will return a pointer to PHG4Reco so
10 // the gui can be startrd again
12 {
14  PHG4Reco *g4 = (PHG4Reco *) se->getSubsysReco("PHG4RECO");
15  g4->InitRun(se->topNode());
16  g4->ApplyDisplayAction();
17  g4->StartGui();
18  return g4;
19 }
20 
21 // stupid macro to turn on the geant4 display
22 // we ask Fun4All for a pointer to PHG4Reco
23 // using the ApplyCommand will start up the
24 // G4 cmd interpreter and graphics system
25 // the vis.mac contains the necessary commands to
26 // start up the visualization, the next event will
27 // be displayed. Do not execute this macro
28 // before PHG4Reco was registered with Fun4All
29 PHG4Reco *DisplayOn(const char *mac = "vis.mac")
30 {
31  char cmd[100];
33  PHG4Reco *g4 = (PHG4Reco *) se->getSubsysReco("PHG4RECO");
34  g4->InitRun(se->topNode());
35  g4->ApplyDisplayAction();
36  sprintf(cmd, "/control/execute %s", mac);
37  g4->ApplyCommand(cmd);
38  return g4;
39 }
40 // print out the commands I always forget
41 void displaycmd()
42 {
43  cout << "draw axis: " << endl;
44  cout << " g4->ApplyCommand(\"/vis/scene/add/axes 0 0 0 50 cm\")" << endl;
45  cout << "zoom" << endl;
46  cout << " g4->ApplyCommand(\"/vis/viewer/zoom 1\")" << endl;
47  cout << "viewpoint:" << endl;
48  cout << " g4->ApplyCommand(\"/vis/viewer/set/viewpointThetaPhi 0 0\")" << endl;
49  cout << "panTo:" << endl;
50  cout << " g4->ApplyCommand(\"/vis/viewer/panTo 0 0 cm\")" << endl;
51  cout << "print to eps:" << endl;
52  cout << " g4->ApplyCommand(\"/vis/ogl/printEPS\")" << endl;
53  cout << "set background color:" << endl;
54  cout << " g4->ApplyCommand(\"/vis/viewer/addCutawayPlane 0 0 0 m 1 0 0\")" << endl;
55 }
56 
57 #endif