Fixed a small bug in the RemoveSpectrum line. Added exporting for histograms to .csv files.

Navigator/src/Navigator/Editor/EditorLayer.cpp

@@ -1,5 +1,6 @@
 #include "EditorLayer.h"
 #include "imgui.h"
+#include "misc/cpp/imgui_stdlib.h"
 #include "implot.h"
 #include "FileDialog.h"
 #include "Navigator/Application.h"
@@ -11,7 +12,7 @@
 namespace Navigator {
     
     EditorLayer::EditorLayer() :
-        Layer("EditorLayer"), m_removeHistogram(false), m_removeCut(false)
+        Layer("EditorLayer"), m_removeHistogram(false), m_removeCut(false), m_exportHistogram(false)
     {
     }
     
@@ -152,6 +153,14 @@ namespace Navigator {
                 }
                 ImGui::EndMenu();
             }
+            if (ImGui::BeginMenu("Export"))
+            {
+                if (ImGui::MenuItem(ICON_FA_SAVE "\tAs .csv"))
+                {
+                    m_exportHistogram = true;
+                }
+                ImGui::EndMenu();
+            }
             ImGui::EndMenuBar();
         }
 
@@ -181,6 +190,8 @@ namespace Navigator {
 
         RemoveCutDialog();
         
+        ExportHistogramDialog();
+
         if(m_spectrumPanel.OnImGuiRender(m_histoList, m_cutList, m_paramList))
         {
             UpdateCutList();
@@ -254,7 +265,7 @@ namespace Navigator {
                     if (ImGui::Selectable(gram.name.c_str(), gram.name == selectedGram, ImGuiSelectableFlags_DontClosePopups))
                         selectedGram = gram.name;
                 }
-                ImGui::EndPopup();
+                ImGui::EndCombo();
             }
             if (ImGui::Button("Ok"))
             {
@@ -306,4 +317,69 @@ namespace Navigator {
             ImGui::EndPopup();
         }
     }
+
+    void EditorLayer::ExportHistogramDialog()
+    {
+        static std::string filename = "";
+        static HistogramParameters selectedGram = HistogramParameters();
+        if(m_exportHistogram)
+        {
+            filename = "";
+            selectedGram = HistogramParameters();
+            m_exportHistogram = false;
+            ImGui::OpenPopup("Export Histogram");
+        }
+        if(ImGui::BeginPopupModal("Export Histogram"))
+        {
+            if(ImGui::BeginCombo("Histogram", selectedGram.name.c_str()))
+            {
+                for (auto& gram : m_histoList)
+                {
+                    if (ImGui::Selectable(gram.name.c_str(), gram.name == selectedGram.name, ImGuiSelectableFlags_DontClosePopups))
+                        selectedGram = gram;
+                }
+                ImGui::EndCombo();
+            }
+            ImGui::InputText("File", &filename);
+            ImGui::SameLine();
+            if(ImGui::Button("Open"))
+            {
+                m_fileDialog.SetSaveFileDialog(true);
+            }
+            std::string result = m_fileDialog.ImGuiRenderSaveFile(".csv");
+            if(!result.empty())
+                filename = result;
+            if(ImGui::Button("Ok"))
+            {
+                ExportHistogram(selectedGram, filename);
+                ImGui::CloseCurrentPopup();
+            }
+            ImGui::SameLine();
+            if(ImGui::Button("Cancel"))
+                ImGui::CloseCurrentPopup();
+            ImGui::EndPopup();
+        }
+    }
+
+    void EditorLayer::ExportHistogram(HistogramParameters selectedGram, const std::string& filename)
+    {
+        std::ofstream output(filename);
+        if(!output.is_open())
+        {
+            NAV_ERROR("Unable to create export file {0}. Check pathing.", filename);
+            return;
+        }
+        
+        std::vector<double> data = SpectrumManager::GetInstance().GetBinData(selectedGram.name);
+        
+        output<<"Histogram Name,"<<selectedGram.name<<std::endl;
+        output<<"Min X,"<<selectedGram.min_x<<std::endl<<"Max X,"<<selectedGram.max_x<<std::endl;
+        if(selectedGram.y_par != "None")
+            output<<"Min Y,"<<selectedGram.min_y<<std::endl<<"Max Y,"<<selectedGram.max_y<<std::endl;
+        output<<"Nbins,"<<data.size()<<std::endl;
+        output<<"Bin,Counts"<<std::endl;
+        for(size_t i=0; i<data.size(); i++)
+            output<<i<<","<<data[i]<<std::endl;
+        output.close();
+    }
 }

Navigator/src/Navigator/Editor/EditorLayer.h

@@ -33,9 +33,11 @@ namespace Navigator {
     private:
         void RemoveCutDialog();
         void RemoveHistogramDialog();
+        void ExportHistogramDialog();
         void UpdateHistogramList();
         void UpdateCutList();
         void UpdateParameterList(); //Currently not really used, only once. Params all made at construction time of PhysicsLayer
+        void ExportHistogram(HistogramParameters selectedGram, const std::string& filename);
 
         EventCallbackFunc m_callbackFunc;
 
@@ -58,6 +60,7 @@ namespace Navigator {
 
         bool m_removeHistogram;
         bool m_removeCut;
+        bool m_exportHistogram;
     };
 
 }

Navigator/src/Navigator/Histogram.h

@@ -61,6 +61,7 @@ namespace Navigator {
 		inline virtual bool Is1D() const { return false; }
 		inline virtual bool Is2D() const { return false; }
 		inline virtual float* GetColorScaleRange() { return nullptr; }
+        inline virtual std::vector<double> GetBinData() { return std::vector<double>(); }
 		inline HistogramParameters& GetParameters() { return m_params; }
 		inline const std::string& GetXParam() const { return m_params.x_par; };
 		inline const std::string& GetYParam() const { return m_params.y_par; };
@@ -84,6 +85,7 @@ namespace Navigator {
 		virtual StatResults AnalyzeRegion(double x_min, double x_max, double y_min = 0.0, double y_max = 0.0) override;
 		inline virtual bool Is1D() const override { return true; }
 		inline virtual bool Is2D() const override { return false; }
+        inline virtual std::vector<double> GetBinData() override { return m_binCounts; }
 
 	private:
 		void InitBins();
@@ -105,6 +107,7 @@ namespace Navigator {
 		virtual StatResults AnalyzeRegion(double x_min, double x_max, double y_min = 0.0, double y_max = 0.0) override;
 		inline virtual bool Is1D() const override { return false; }
 		inline virtual bool Is2D() const override { return true; }
+        inline virtual std::vector<double> GetBinData() override { return m_binCounts; }
 
 		inline virtual float* GetColorScaleRange() override { return m_colorScaleRange; }
 

Navigator/src/Navigator/SpectrumManager.cpp

@@ -128,6 +128,18 @@ namespace Navigator {
 		return nullptr;
 	}
 
+    std::vector<double> SpectrumManager::GetBinData(const std::string& name)
+    {
+        std::lock_guard<std::mutex> guard(m_managerMutex);
+        auto iter = m_histoMap.find(name);
+        if (iter != m_histoMap.end())
+        {
+            return iter->second->GetBinData();
+        }
+
+        return std::vector<double>();
+    }
+
 	StatResults SpectrumManager::AnalyzeHistogramRegion(const std::string& name, const ImPlotRect& region)
 	{
 		std::lock_guard<std::mutex> guard(m_managerMutex);

Navigator/src/Navigator/SpectrumManager.h

@@ -36,6 +36,7 @@ namespace Navigator {
 		void DrawHistogram(const std::string& name);
 		const HistogramParameters& GetHistogramParams(const std::string& name);
 		float* GetColorScaleRange(const std::string& name);
+        std::vector<double> GetBinData(const std::string& name);
 		StatResults AnalyzeHistogramRegion(const std::string& name, const ImPlotRect& region);
 		std::vector<HistogramParameters> GetListOfHistograms();