root/ROOT/RFitPanel.hxx

0001 // Authors: Sergey Linev <S.Linev@gsi.de> Iliana Betsou <Iliana.Betsou@cern.ch>
0002 // Date: 2019-04-11
0003 // Warning: This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback is welcome!
0004
0005 /*************************************************************************
0006  * Copyright (C) 1995-2019, Rene Brun and Fons Rademakers.               *
0007  * All rights reserved.                                                  *
0008  *                                                                       *
0009  * For the licensing terms see $ROOTSYS/LICENSE.                         *
0010  * For the list of contributors see $ROOTSYS/README/CREDITS.             *
0011  *************************************************************************/
0012
0013 #ifndef ROOT_RFitPanel
0014 #define ROOT_RFitPanel
0015
0016 #include <ROOT/RWebWindow.hxx>
0017
0018 #include <ROOT/RFitPanelModel.hxx>
0019
0020 #include <ROOT/RCanvas.hxx>
0021
0022 #include "TFitResultPtr.h"
0023
0024 #include <memory>
0025 #include <vector>
0026 #include <list>
0027
0028 class TPad;
0029 class TH1;
0030 class TF1;
0031
0032 namespace ROOT {
0033 namespace Experimental {
0034
0035 class RFitPanel {
0036
0037    std::unique_ptr<RFitPanelModel> fModel;
0038
0039    std::vector<TObject*> fObjects;    ///<! objects provided directly to panel for fitting
0040    std::string fCanvName;             ///<! v6 canvas name used to display fit, will be created if not exists
0041    std::string fPadName;              ///<! v6 pad name in the canvas, where object is (was) drawn
0042
0043    std::shared_ptr<RCanvas> fCanvas; ///<! v7 canvas used to display results
0044
0045    std::shared_ptr<ROOT::RWebWindow> fWindow;  ///<! configured display
0046    unsigned fConnId{0};                  ///<! client connection id
0047
0048    std::vector<std::unique_ptr<TF1>> fSystemFuncs; ///<! local copy of all internal system funcs
0049
0050    struct FitRes {
0051       std::string objid;         // object used for fitting
0052       std::unique_ptr<TF1> func; // function
0053       TFitResultPtr res;          // result
0054       FitRes() = default;
0055       FitRes(const std::string &_objid, std::unique_ptr<TF1> &_func, TFitResultPtr &_res);
0056       ~FitRes();
0057    };
0058
0059    std::list<FitRes> fPrevRes; ///<! all previous functions used for fitting
0060
0061    TF1 *copyTF1(TF1 *f);
0062
0063    void GetFunctionsFromSystem();
0064
0065    void ProcessData(unsigned connid, const std::string &arg);
0066
0067    RFitPanelModel &model();
0068
0069    int UpdateModel(const std::string &json);
0070
0071    void SelectObject(const std::string &objid);
0072    TObject *GetSelectedObject(const std::string &objid);
0073    RFitPanelModel::EFitObjectType GetFitObjectType(TObject *obj);
0074    void UpdateDataSet();
0075
0076    void UpdateFunctionsList();
0077    TF1 *FindFunction(const std::string &funcid);
0078    TFitResult *FindFitResult(const std::string &funcid);
0079    std::unique_ptr<TF1> GetFitFunction(const std::string &funcid);
0080    void SelectFunction(const std::string &funcid);
0081
0082    TObject *MakeConfidenceLevels(TFitResult *res);
0083
0084    Color_t GetColor(const std::string &colorid);
0085
0086    TPad *GetDrawPad(TObject *obj, bool force = false);
0087
0088    void DoPadUpdate(TPad *pad);
0089
0090    void SendModel();
0091
0092    bool DoFit();
0093    bool DoDraw();
0094
0095 public:
0096    RFitPanel(const std::string &title = "Fit panel");
0097    ~RFitPanel();
0098
0099    // method required when any panel want to be inserted into the RCanvas
0100    std::shared_ptr<ROOT::RWebWindow> GetWindow();
0101
0102    void AssignHistogram(TH1 *hist);
0103
0104    void AssignHistogram(const std::string &hname);
0105
0106    void AssignCanvas(const std::string &cname) { fCanvName = cname; }
0107
0108    void AssignCanvas(std::shared_ptr<RCanvas> &canv);
0109
0110    /// show FitPanel in specified place
0111    void Show(const RWebDisplayArgs &args = "");
0112
0113    /// hide FitPanel
0114    void Hide();
0115
0116    void ClearOnClose(const std::shared_ptr<void> &handle);
0117 };
0118
0119 } // namespace Experimental
0120 } // namespace ROOT
0121
0122 #endif