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#include "TString.h"
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#include "TDirectory.h"
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#include "TH1F.h"
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#include "TFile.h"
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#include "TCanvas.h"
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#include "TLegend.h"
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#include "TROOT.h"
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#include "TKey.h"
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#include "TH2F.h"
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#include "TPad.h"
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#include "TObjArray.h"
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#include "TText.h"
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#include "network.C"
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void DrawNetworkMovie( TFile* file, const TString& methodType, const TString& methodTitle )
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{
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TString dirname = methodType + "/" + methodTitle + "/" + "EpochMonitoring";
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TDirectory *epochDir = (TDirectory*)file->Get( dirname );
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if (!epochDir) {
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cout << "Big troubles: could not find directory \"" << dirname << "\"" << endl;
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exit(1);
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}
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epochDir->cd();
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// loop over all epoch-wise monitoring histograms
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TIter keyIt(epochDir->GetListOfKeys());
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TKey *key;
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vector<TString> epochList;
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Int_t ic = 0;
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while ((key = (TKey*)keyIt())) {
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if (!gROOT->GetClass(key->GetClassName())->InheritsFrom("TH2F")) continue;
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TString name = key->GetName();
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if (!name.BeginsWith("epochmonitoring___")) continue;
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// extract epoch
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TObjArray* tokens = name.Tokenize("_");
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TString es = ((TObjString*)tokens->At(2))->GetString();
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// check if done already
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Bool_t isOld = kFALSE;
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for (vector<TString>::const_iterator it = epochList.begin(); it < epochList.end(); it++) {
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if (*it == es) isOld = kTRUE;
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}
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if (isOld) continue;
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epochList.push_back( es );
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// create bulk file name
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TString bulkname = Form( "epochmonitoring___epoch_%s_weights_hist", es.Data() );
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// draw the network
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if (ic <= 60) draw_network( file, epochDir, bulkname, kTRUE, es );
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ic++;
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}
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}
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void DrawMLPoutputMovie( TFile* file, const TString& methodType, const TString& methodTitle )
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{
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gROOT->SetBatch( 1 );
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// define Canvas layout here!
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const Int_t width = 600; // size of canvas
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// this defines how many canvases we need
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TCanvas* c = 0;
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Float_t nrms = 4;
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Float_t xmin = -1.2;
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Float_t xmax = 1.2;
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Float_t ymin = 0;
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Float_t ymax = 0;
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Float_t maxMult = 6.0;
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Int_t countCanvas = 0;
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Bool_t first = kTRUE;
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TString dirname = methodType + "/" + methodTitle + "/" + "EpochMonitoring";
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TDirectory *epochDir = (TDirectory*)file->Get( dirname );
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if (!epochDir) {
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cout << "Big troubles: could not find directory \"" << dirname << "\"" << endl;
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exit(1);
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}
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// now read all evolution histograms
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TIter keyItTit(epochDir->GetListOfKeys());
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TKey *titkeyTit;
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while ((titkeyTit = (TKey*)keyItTit())) {
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if (!gROOT->GetClass(titkeyTit->GetClassName())->InheritsFrom("TH1F")) continue;
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TString name = titkeyTit->GetName();
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if (!name.BeginsWith("convergencetest___")) continue;
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if (!name.Contains("_train_")) continue; // only for training so far
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if (name.EndsWith( "_B")) continue;
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// must be signal histogram
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if (!name.EndsWith( "_S")) {
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cout << "Big troubles with histogram: " << name << " -> should end with _S" << endl;
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exit(1);
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}
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// create canvas
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countCanvas++;
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TString ctitle = Form("TMVA response %s",methodTitle.Data());
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c = new TCanvas( Form("canvas%d", countCanvas), ctitle, 0, 0, width, (Int_t)width*0.78 );
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TH1F* sig = (TH1F*)titkeyTit->ReadObj();
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sig->SetTitle( Form("TMVA response for classifier: %s", methodTitle.Data()) );
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TString dataType = (name.Contains("_train_") ? "(training sample)" : "(test sample)");
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// find background
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TString nbn = sig->GetName(); nbn[nbn.Length()-1] = 'B';
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TH1F* bgd = dynamic_cast<TH1F*>(epochDir->Get( nbn ));
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if (bgd == 0) {
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cout << "Big troubles with histogram: " << bgd << " -> cannot find!" << endl;
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exit(1);
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}
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cout << "sig = " << sig->GetName() << endl;
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cout << "bgd = " << bgd->GetName() << endl;
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// set the histogram style
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TMVAGlob::SetSignalAndBackgroundStyle( sig, bgd );
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// normalise both signal and background
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TMVAGlob::NormalizeHists( sig, bgd );
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// set only first time, then same for all plots
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if (first) {
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if (xmin == 0 && xmax == 0) {
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xmin = TMath::Max( TMath::Min(sig->GetMean() - nrms*sig->GetRMS(),
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bgd->GetMean() - nrms*bgd->GetRMS() ),
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sig->GetXaxis()->GetXmin() );
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xmax = TMath::Min( TMath::Max(sig->GetMean() + nrms*sig->GetRMS(),
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bgd->GetMean() + nrms*bgd->GetRMS() ),
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sig->GetXaxis()->GetXmax() );
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}
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ymin = 0;
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ymax = TMath::Max( sig->GetMaximum(), bgd->GetMaximum() )*maxMult;
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first = kFALSE;
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}
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// build a frame
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Int_t nb = 100;
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TString hFrameName(TString("frame") + methodTitle);
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TObject *o = gROOT->FindObject(hFrameName);
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if(o) delete o;
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TH2F* frame = new TH2F( hFrameName, sig->GetTitle(),
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nb, xmin, xmax, nb, ymin, ymax );
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frame->GetXaxis()->SetTitle( methodTitle + " response" );
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frame->GetYaxis()->SetTitle("(1/N) dN^{ }/^{ }dx");
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TMVAGlob::SetFrameStyle( frame );
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// find epoch number (4th token)
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TObjArray* tokens = name.Tokenize("_");
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TString es = ((TObjString*)tokens->At(4))->GetString();
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if (!es.IsFloat()) {
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cout << "Big troubles in epoch parsing: \"" << es << "\" is not float" << endl;
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exit(1);
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}
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Int_t epoch = es.Atoi();
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// eventually: draw the frame
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frame->Draw();
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c->GetPad(0)->SetLeftMargin( 0.105 );
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frame->GetYaxis()->SetTitleOffset( 1.2 );
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// Draw legend
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TLegend *legend= new TLegend( c->GetLeftMargin(), 1 - c->GetTopMargin() - 0.12,
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c->GetLeftMargin() + 0.5, 1 - c->GetTopMargin() );
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legend->SetFillStyle( 1 );
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legend->AddEntry(sig,TString("Signal ") + dataType, "F");
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legend->AddEntry(bgd,TString("Background ") + dataType, "F");
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legend->SetBorderSize(1);
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legend->SetMargin( 0.15 );
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legend->Draw("same");
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TText* t = new TText();
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t->SetTextSize( 0.04 );
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t->SetTextColor( 1 );
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t->SetTextAlign( 31 );
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t->DrawTextNDC( 1 - c->GetRightMargin(), 1 - c->GetTopMargin() + 0.015, Form( "Epoch: %i", epoch) );
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// overlay signal and background histograms
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sig->Draw("samehist");
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bgd->Draw("samehist");
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// save to file
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TString dirname = "movieplots";
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TString foutname = dirname + "/" + name;
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foutname.Resize( foutname.Length()-2 );
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foutname.ReplaceAll("convergencetest___","");
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foutname += ".gif";
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cout << "storing file: " << foutname << endl;
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c->Update();
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c->Print(foutname);
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}
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}
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// -----------------------------------------------------------------------------
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void MovieMaker( TString methodType = "Method_MLP", TString methodTitle = "MLP" )
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{
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TString fname = "TMVA.root";
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TFile* file = TMVAGlob::OpenFile( fname );
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//DrawMLPoutputMovie( file, methodType, methodTitle );
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DrawNetworkMovie( file, methodType, methodTitle );
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}
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