Add X,Y projections in standard GG mode

src/root/gui/cubix/src/CXHist2DPlayer.cpp

@@ -14,6 +14,7 @@
 #include "TGListBox.h"
 #include "TError.h"
 #include "TObjArray.h"
+#include "TGComboBox.h"
 
 #include "CXMainWindow.h"
 #include "CXTH1Proj.h"
@@ -38,6 +39,16 @@ CXHist2DPlayer::CXHist2DPlayer(const TGCompositeFrame *MotherFrame, UInt_t w, UI
     fGroupFrame->AddFrame(fSubGroupFrame, new TGLayoutHints(kLHintsTop | kLHintsLeft | kLHintsExpandX, -10, -10, 0, 0));
 
     TGCompositeFrame *fHorizontalFrame = new TGCompositeFrame(fSubGroupFrame, 60, 20, kHorizontalFrame);
+    fHorizontalFrame->AddFrame(new TGLabel(fHorizontalFrame, "Projection axis: "), new TGLayoutHints(kLHintsCenterY | kLHintsLeft,5,10,0,0));
+    fProjectionAxis = new TGComboBox(fHorizontalFrame);
+    fHorizontalFrame->AddFrame(fProjectionAxis,new TGLayoutHints(kLHintsCenterY | kLHintsLeft  | kLHintsExpandX | kLHintsExpandY ,1,3,0,0));
+    fProjectionAxis->AddEntry("X",0);
+    fProjectionAxis->AddEntry("Y",1);
+    fProjectionAxis->Select(0);
+    fProjectionAxis->Connect("Selected(Int_t)", "CXHist2DPlayer", this, "UpdateProjection()");
+    fSubGroupFrame->AddFrame(fHorizontalFrame,new TGLayoutHints(kLHintsTop | kLHintsLeft | kLHintsExpandX,-10,-10,5,5));
+
+    fHorizontalFrame = new TGCompositeFrame(fSubGroupFrame, 60, 20, kHorizontalFrame);
     TGTextButton *GateButton = new TGTextButton(fHorizontalFrame, "Gate");
     GateButton->SetTextColor(CXred);
     GateButton->Connect("Clicked()", "CXHist2DPlayer", this, "AddGate()");
@@ -184,6 +195,21 @@ void CXHist2DPlayer::SetMainWindow(CXMainWindow *w)
     fMainWindow = w;
 }
 
+void CXHist2DPlayer::UpdateProjection()
+{
+    if(fAxisProj == fProjectionAxis->GetSelected())
+        return;
+
+    if(fProjectionAxis->GetSelected()==0)
+        fAxisProj = 0;
+    else
+        fAxisProj = 1;
+
+    GetProj()->UpdateProjection(fAxisProj);
+
+    Project();
+}
+
 void CXHist2DPlayer::InitGG(TH2 *hist_in)
 {
     TH2 *hist;
@@ -195,22 +221,25 @@ void CXHist2DPlayer::InitGG(TH2 *hist_in)
     else
         hist = hist_in;
 
-    if(hist == nullptr)
-    {
+    if(hist == nullptr) {
         cout<<"No 2D histogram found in the current pad, ignored"<<endl;
         return;
     }
 
-    if(fTotProjX){
+    if(fAxisProj==0) {
         TotalProj = hist->ProjectionX(Form("%s_2DTotProjX",hist->GetName()));
         TotalProj->SetName(Form("%s_TotProjX",hist->GetName()));
         TotalProj->SetTitle(Form("%s TotProjX",hist->GetTitle()));
     }
-    else{
+    else if(fAxisProj==1){
         TotalProj = hist->ProjectionY(Form("%s_2DTotProjY",hist->GetName()));
         TotalProj->SetName(Form("%s_TotProjY",hist->GetName()));
         TotalProj->SetTitle(Form("%s TotProjY",hist->GetTitle()));
     }
+    else {
+        ERR_MESS << "Unkown projection axis... " << ENDL;
+        return;
+    }
 
     CXTH1Proj *NewProj = new CXTH1Proj(*TotalProj);
     NewProj->SetMainWindow(fMainWindow);

src/root/gui/cubix/src/CXHist2DPlayer.h

@@ -13,6 +13,7 @@ class TGListBox;
 class TGLBEntry;
 class TGCheckButton;
 class TGTextEntry;
+class TGComboBox;
 
 class CXHist2DPlayer : public  TGVerticalFrame
 {
@@ -22,7 +23,7 @@ private:
 
     CXMainWindow *fMainWindow = nullptr;
 
-    Bool_t fTotProjX = true;
+    Int_t fAxisProj = 0; // X => 0 ; Y => 1
 
     CXTH1Proj *fCurrentProj = nullptr;
 
@@ -31,6 +32,8 @@ private:
     TGTextEntry *fDrawOpt = nullptr;
     TGCheckButton *fFixRange = nullptr;
 
+    TGComboBox *fProjectionAxis = nullptr;
+
 public:
     CXHist2DPlayer(const TGCompositeFrame *MotherFrame, UInt_t w, UInt_t h, CXMainWindow *window);
     ~CXHist2DPlayer();
@@ -38,6 +41,8 @@ public:
     void SetMainWindow(CXMainWindow *w);
 
     void InitGG(TH2 *hist_in =nullptr);
+    void UpdateProjection();
+
     void Project();
     void AddBackgd();
     void AddGate();

src/root/gui/cubix/src/CXTH1Proj.cpp

@@ -22,7 +22,7 @@ using namespace std;
 
 CXTH1Proj::CXTH1Proj(const TH1D &hist): TH1D::TH1D(hist)
 {
-    GetXaxis()->SetTitle("Energy (kev)");
+    GetXaxis()->SetTitle("Energy (kev) [X axis]");
     GetXaxis()->SetTitleSize(0.05);
     GetXaxis()->SetTitleOffset(0.8);
     GetXaxis()->SetTitleFont(132);
@@ -55,6 +55,34 @@ CXTH1Proj::~CXTH1Proj()
     delete fListOfGates;
 }
 
+void CXTH1Proj::UpdateProjection(Int_t Axis)
+{
+    if(fGGHist->GetXaxis()->GetNbins() != fGGHist->GetYaxis()->GetNbins()) {
+        WARN_MESS << "X and Y axis needs to have the same number of bins for GG projections" << ENDL;
+        return;
+    }
+
+    if(Axis == 0) {
+        GetXaxis()->SetTitle("Energy (kev) [X axis]");
+        TH1 *projtmp = fGGHist->ProjectionX();
+        for(int i=0 ; i<projtmp->GetNbinsX()+2 ; i++)
+            SetBinContent(i,projtmp->GetBinContent(i));
+        delete projtmp;
+    }
+    else if(Axis == 1) {
+        GetXaxis()->SetTitle("Energy (kev) [Y axis]");
+        TH1 *projtmp = fGGHist->ProjectionY();
+        for(int i=0 ; i<projtmp->GetNbinsX()+2 ; i++)
+            SetBinContent(i,projtmp->GetBinContent(i));
+        delete projtmp;
+    }
+
+    fProjectionAxis = Axis;
+
+    fCurrentPad->Modified();
+    fCurrentPad->Update();
+}
+
 void CXTH1Proj::SetPlayer(CXHist2DPlayer *p)
 {
     f2DPlayer = p;
@@ -157,7 +185,13 @@ void CXTH1Proj::Project(Bool_t FixRange){
 
     Float_t WidthRef = FinalProj->GetBinWidth(1);
 
-    FinalProj->GetXaxis()->SetTitle(GetXaxis()->GetTitle());
+    TString XAxis = GetXaxis()->GetTitle();
+    if(XAxis.Contains("[X"))
+        XAxis.ReplaceAll("[X","[Y");
+    else if(XAxis.Contains("[Y"))
+        XAxis.ReplaceAll("[Y","[X");
+
+    FinalProj->GetXaxis()->SetTitle(XAxis);
     FinalProj->GetXaxis()->SetTitleSize(GetXaxis()->GetTitleSize());
     FinalProj->GetXaxis()->SetTitleOffset(GetXaxis()->GetTitleOffset());
     FinalProj->GetXaxis()->SetTitleFont(GetXaxis()->GetTitleFont());
@@ -188,7 +222,12 @@ void CXTH1Proj::Project(Bool_t FixRange){
             continue;
 
         for(int ibin=BinX1 ; ibin<BinX2 ; ibin++) {
-            TH1D *temp = fGGHist->ProjectionX("tmp",ibin,ibin);
+            TH1D *temp = nullptr;
+            if(fProjectionAxis==0)
+                temp = fGGHist->ProjectionY("tmp",ibin,ibin);
+            else if(fProjectionAxis==1)
+                temp = fGGHist->ProjectionX("tmp",ibin,ibin);
+
             temp->Scale(FinalProj->GetBinWidth(ibin)/WidthRef);
             FinalProj->Add(temp,Weight);
             delete temp;

src/root/gui/cubix/src/CXTH1Proj.h

@@ -41,6 +41,8 @@ private:
 
     CXHist2DPlayer *f2DPlayer = nullptr;
 
+    Int_t fProjectionAxis = 0;
+
 public:
     CXTH1Proj(const TH1D &hist);
     CXTH1Proj();
@@ -48,6 +50,7 @@ public:
 
     void SetMainWindow(CXMainWindow *w);
 
+    void UpdateProjection(Int_t Axis);
     void SetTH2(TH2 *hist);
     void SetProjPad(TPad *pad);
     void SetCurrentPad(TPad *pad);