int main(int, char**)
{
// Setup window
glfwSetErrorCallback(error_callback);
if (!glfwInit())
exit(1);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
GLFWwindow* window = glfwCreateWindow(1280, 720, "Empty imgui program", NULL, NULL);
glfwMakeContextCurrent(window);
gl3wInit();
// Setup ImGui binding
ImGui_ImplGlfwGL3_Init(window, true);
ImVec4 clear_color = ImColor(114, 144, 154);
// Main loop
while (!glfwWindowShouldClose(window))
{
ImGuiIO& io = ImGui::GetIO();
glfwPollEvents();
ImGui_ImplGlfwGL3_NewFrame();
make_gui();
// Rendering
glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y);
glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
ImGui::Render();
glfwSwapBuffers(window);
}
// Cleanup
ImGui_ImplGlfwGL3_Shutdown();
glfwTerminate();
return 0;
}
//______________________________________________________________________________
void alice_esd_split(Bool_t auto_size=kFALSE)
{
// Main function, initializes the application.
//
// 1. Load the auto-generated library holding ESD classes and ESD dictionaries.
// 2. Open ESD data-files.
// 3. Load cartoon geometry.
// 4. Spawn simple GUI.
// 5. Load first event.
TFile::SetCacheFileDir(".");
if (!alice_esd_loadlib(esd_file_name, "aliesd"))
{
Error("alice_esd", "Can not load project libraries.");
return;
}
printf("*** Opening ESD ***\n");
esd_file = TFile::Open(esd_file_name, "CACHEREAD");
if (!esd_file)
return;
printf("*** Opening ESD-friends ***\n");
esd_friends_file = TFile::Open(esd_friends_file_name, "CACHEREAD");
if (!esd_friends_file)
return;
esd_tree = (TTree*) esd_file->Get("esdTree");
esd = (AliESDEvent*) esd_tree->GetUserInfo()->FindObject("AliESDEvent");
// Set the branch addresses.
{
TIter next(esd->fESDObjects);
TObject *el;
while ((el=(TNamed*)next()))
{
TString bname(el->GetName());
if(bname.CompareTo("AliESDfriend")==0)
{
// AliESDfriend needs some '.' magick.
esd_tree->SetBranchAddress("ESDfriend.", esd->fESDObjects->GetObjectRef(el));
}
else
{
esd_tree->SetBranchAddress(bname, esd->fESDObjects->GetObjectRef(el));
}
}
}
TEveManager::Create();
// Adapt the main frame to the screen size...
if (auto_size)
{
Int_t qq;
UInt_t ww, hh;
gVirtualX->GetWindowSize(gVirtualX->GetDefaultRootWindow(), qq, qq, ww, hh);
Float_t screen_ratio = (Float_t)ww/(Float_t)hh;
if (screen_ratio > 1.5) {
gEve->GetBrowser()->MoveResize(100, 50, ww - 300, hh - 100);
} else {
gEve->GetBrowser()->Move(50, 50);
}
}
{ // Simple geometry
TFile* geom = TFile::Open(esd_geom_file_name, "CACHEREAD");
if (!geom)
return;
TEveGeoShapeExtract* gse = (TEveGeoShapeExtract*) geom->Get("Gentle");
gGeoShape = TEveGeoShape::ImportShapeExtract(gse, 0);
geom->Close();
delete geom;
gEve->AddGlobalElement(gGeoShape);
}
make_gui();
// import the geometry in the projection managers
if (gRPhiMgr) {
TEveProjectionAxes* a = new TEveProjectionAxes(gRPhiMgr);
a->SetNdivisions(3);
gEve->GetScenes()->FindChild("R-Phi Projection")->AddElement(a);
gRPhiMgr->ImportElements(gGeoShape);
}
if (gRhoZMgr) {
TEveProjectionAxes* a = new TEveProjectionAxes(gRhoZMgr);
a->SetNdivisions(3);
gEve->GetScenes()->FindChild("Rho-Z Projection")->AddElement(a);
gRhoZMgr->ImportElements(gGeoShape);
}
load_event();
update_projections();
gEve->Redraw3D(kTRUE); // Reset camera after the first event has been shown.
}
//______________________________________________________________________________
void alice_esd()
{
// Main function, initializes the application.
//
// 1. Load the auto-generated library holding ESD classes and
// ESD dictionaries.
// 2. Open ESD data-files.
// 3. Load cartoon geometry.
// 4. Spawn simple GUI.
// 5. Load first event.
const TString weh("alice_esd()");
if (gROOT->LoadMacro("MultiView.C+") != 0)
{
Error(weh, "Failed loading MultiView.C in compiled mode.");
return;
}
TFile::SetCacheFileDir(".");
if (!alice_esd_loadlib("aliesd"))
{
Error("alice_esd", "Can not load project libraries.");
return;
}
printf("*** Opening ESD ***\n");
esd_file = TFile::Open(esd_file_name, "CACHEREAD");
if (!esd_file)
return;
esd_tree = (TTree*) esd_file->Get("esdTree");
esd = (AliESDEvent*) esd_tree->GetUserInfo()->FindObject("AliESDEvent");
esd_objs = esd->fESDObjects;
if (esd_friends_file_name != 0)
{
printf("*** Opening ESD-friends ***\n");
esd_friends_file = TFile::Open(esd_friends_file_name, "CACHEREAD");
if (!esd_friends_file)
return;
esd_tree->SetBranchStatus ("ESDfriend*", 1);
}
// Set the branch addresses.
{
TIter next(esd_objs);
TObject *el;
while ((el = (TNamed*)next()))
{
TString bname(el->GetName());
if (bname == "AliESDfriend")
{
// AliESDfriend needs special treatment.
TBranch *br = esd_tree->GetBranch("ESDfriend.");
br->SetAddress(esd_objs->GetObjectRef(el));
}
else
{
TBranch *br = esd_tree->GetBranch(bname);
if (br)
{
br->SetAddress(esd_objs->GetObjectRef(el));
}
else
{
br = esd_tree->GetBranch(bname + ".");
if (br)
{
br->SetAddress(esd_objs->GetObjectRef(el));
}
else
{
Warning("AliESDEvent::ReadFromTree() "
"No Branch found with Name '%s' or '%s.'.",
bname.Data(),bname.Data());
}
}
}
}
}
TEveManager::Create();
{ // Simple geometry
TFile* geom = TFile::Open(esd_geom_file_name, "CACHEREAD");
if (!geom)
return;
TEveGeoShapeExtract* gse = (TEveGeoShapeExtract*) geom->Get("Gentle");
gGeomGentle = TEveGeoShape::ImportShapeExtract(gse, 0);
geom->Close();
delete geom;
gEve->AddGlobalElement(gGeomGentle);
}
// Standard multi-view
//=====================
gMultiView = new MultiView;
gMultiView->ImportGeomRPhi(gGeomGentle);
gMultiView->ImportGeomRhoZ(gGeomGentle);
// HTML summary view
//===================
gROOT->LoadMacro("alice_esd_html_summary.C");
fgHtmlSummary = new HtmlSummary("Alice Event Display Summary Table");
slot = TEveWindow::CreateWindowInTab(gEve->GetBrowser()->GetTabRight());
fgHtml = new TGHtml(0, 100, 100);
TEveWindowFrame *wf = slot->MakeFrame(fgHtml);
fgHtml->MapSubwindows();
wf->SetElementName("Summary");
// Final stuff
//=============
gEve->GetBrowser()->GetTabRight()->SetTab(1);
make_gui();
load_event();
gEve->Redraw3D(kTRUE); // Reset camera after the first event has been shown.
}
