Hi, just a little bit of self advertisment ;-) Varun, you can use GuiBuilder to create such design in 5 min. TRootEmbeddedCanvas is not yet in GuiBuilder widget pallete but you can copy&paste it from guitest.C. An alternative to "divide your canvas" create several TRootEmbeddedCanvases. Regards. Valeriy > Varun, > > Your problem has nothing to do with the GUI. Simply divide your canvas > into multiple pads. See examples in the tutorials. > > Rene Brun > > Varun Gopalakrishna wrote: > > > > Hello rooters, > > > > I am having a lot of problems with the ROOT GUI..I had a couple of > > questions. > > My requirements are that I need to view multiple plots/histogram at the > > same time in the same window. what do i need to? > > > > I have tried my hand at the code below which just helps me to create a > > single frame and add my histogram to it. How do I add more child frames? > > > > Thanks > > > > Varun > > > > //------------------------------------------------------------------------- > > > > #include <TGClient.h> > > #include <TCanvas.h> > > #include <TF1.h> > > #include <TRandom.h> > > #include <TGButton.h> > > #include <TGFrame.h> > > #include <TRootEmbeddedCanvas.h> > > #include <RQ_OBJECT.h> > > > > class MyMainFrame > > { > > RQ_OBJECT("MyMainFrame") > > > > private: TGMainFrame *fMain; > > TRootEmbeddedCanvas *fEcanvas; > > > > public: > > > > MyMainFrame(const TGWindow *p,UInt_t w,UInt_t h); > > > > virtual ~MyMainFrame(); > > > > void DoDraw(); > > void drawthis();//*SIGNAL* > > }; > > > > MyMainFrame::MyMainFrame(const TGWindow *p,UInt_t w,UInt_t h) > > { > > > > // Create a main frame > > > > fMain = new TGMainFrame(p,w,h); > > // Create canvas widjet > > > > fEcanvas = new TRootEmbeddedCanvas("Ecanvas",fMain,750,750); > > fMain->AddFrame(fEcanvas, new TGLayoutHints(kLHintsExpandX | > > kLHintsExpandY,10,10,10,1)); > > // Create a horizontal frame widget with buttons > > TGHorizontalFrame *hframe = new TGHorizontalFrame(fMain,200,40); > > TGTextButton *draw = new TGTextButton(hframe,"&Last 5 Hours"); > > draw->Connect("Clicked()","MyMainFrame",this,"drawthis()"); > > hframe->AddFrame(draw, new TGLayoutHints(kLHintsCenterX,5,5,3,4)); > > TGTextButton *exit = new TGTextButton(hframe,"&Stop", > > "gApplication->Terminate(0)"); > > hframe->AddFrame(exit, new TGLayoutHints(kLHintsCenterX,5,5,3,4)); > > fMain->AddFrame(hframe, new TGLayoutHints(kLHintsCenterX,2,2,2,2)); > > > > TGTextButton *b1 = new TGTextButton(hframe,"&Last 10 Hours"); > > b1->Connect("Clicked()","MyMainFrame",this,"drawthis()"); > > hframe->AddFrame(b1, new TGLayoutHints(kLHintsCenterX,6,6,4,5)); > > TGTextButton *stop = new TGTextButton(hframe,"&Exit", > > "gApplication->Terminate(0)"); > > hframe->AddFrame(stop, new TGLayoutHints(kLHintsCenterX,6,6,4,5)); > > fMain->AddFrame(hframe, new TGLayoutHints(kLHintsCenterX,2,2,2,2)); > > > > //TGTextButton *exit = new TGTextButton(hframe,"&Exit"); > > //exit->SetCommand("gApplication->Terminate()"); > > /*fMain->AddFrame(hFrame1,fLayout1); > > fMain->AddFrame(hFrame2,fLayout2); > > fMain->Resize(frame->GetDefaultSize()); > > // lays out frames > > fMain->MapSubwindows(); > > // maps subwindows > > fMain->HideFrame(hFrame2); > > // hides frame hFrame2 > > fMain->MapWindow(); // maps main frame > > > > // Set a name to the main frame > > > > fMain->SetWindowName("Simple Example"); > > // Map all subwindows of main frame > > fMain->MapSubwindows(); > > // Initialize the layout algorithm > > fMain->Resize(fMain->GetDefaultSize()); > > // Map main frame > > fMain->MapWindow(); > > } > > > > void MyMainFrame::DoDraw() > > { > > // Draws function graphics in randomly choosen interval > > TF1 *f1 = new TF1("f1","sin(x)/x",0,gRandom->Rndm()*10); > > f1->SetFillColor(19); > > f1->SetFillStyle(1); > > f1->SetLineWidth(3); > > f1->Draw(); > > TCanvas *fCanvas = fEcanvas->GetCanvas(); > > fCanvas->cd(); > > fCanvas->Update(); > > //printf("in draw this"); > > //drawthis(); > > } > > > > MyMainFrame::~MyMainFrame() > > { > > // Clean up used widgets: frames, buttons, layouthints > > fMain->Cleanup(); > > delete fMain; > > } > > > > void example() > > { > > // Popup the GUI... > > new MyMainFrame(gClient->GetRoot(),200,200); > > } > > > > void MyMainFrame::drawthis(){ > > > > { > > printf(" really inside the method!!!"); > > > > Int_t i =0,pos=8; > > Double_t j=0.0; > > Char_t ch; > > Float_t max=0.0,min=0.0; > > // Create a new canvas. > > /*c1 = new TCanvas("c1","Dynamic Filling Example",200,10,700,500); > > c1->SetFillColor(42); > > c1->GetFrame()->SetFillColor(21); > > c1->GetFrame()->SetBorderSize(6); > > c1->GetFrame()->SetBorderMode(-1);*/ > > > > // Create a new ROOT binary machine independent file. > > // Note that this file may contain any kind of ROOT objects, histograms, > > // pictures, graphics objects, detector geometries, tracks, events, etc.. > > // This file is now becoming the current directory. > > FILE *fp=fopen("data.dat","r+"); > > if (fp == NULL) > > printf("Cannot open file\n"); > > TFile *hfile = gROOT->FindObject("hsimple.root"); if (hfile) > > hfile->Close(); > > hfile = new TFile("hsimple.root","RECREATE","Demo ROOT file with > > histograms"); > > > > // Create some histograms, a profile histogram and an ntuple > > hpx = new TH1F("hpx","This is the px distribution",100,-1,1); > > > > // Set canvas/frame attributes (save old attributes) > > hpx->SetFillColor(48); > > > > gBenchmark->Start("hsimple"); > > > > // Fill histograms randomly > > //while(true) { > > TCanvas *fCanvas = fEcanvas->GetCanvas(); > > fCanvas->cd(); > > while((fscanf(fp,"%lf",&j)!=EOF)){ > > > > printf("the value read is %lf\n",j); > > hpx->Fill(j); > > hpx->Draw(); > > //fCanvas->cd(); > > fCanvas->Modified(); > > fCanvas->Update(); > > // c1->Modified(); > > //c1->Update(); > > gBenchmark->Show("hsimple"); > > gSystem->ProcessEvents(); > > } > > //gBenchmark->Show("hsimple"); > > pos=ftell(fp); > > fseek(fp,0,SEEK_END); > > if (pos!=ftell(fp))break; > > fseek(fp,pos,SEEK_SET); > > } > > //} > > fclose(fp); > > //gBenchmark->Show("hsimple"); > > > > // Save all objects in this file > > hpx->SetFillColor(0); > > hfile->Write(); > > hpx->SetFillColor(48); > > > > // Note that the file is automatically close when application terminates > > // or when the file destructor is called. > > } > >
This archive was generated by hypermail 2b29 : Sun Jan 02 2005 - 05:50:09 MET