root/ROOT/REveStraightLineSet.hxx

0001 // @(#)root/eve7:$Id$
0002 // Authors: Matevz Tadel & Alja Mrak-Tadel: 2006, 2007
0003
0004 /*************************************************************************
0005  * Copyright (C) 1995-2019, Rene Brun and Fons Rademakers.               *
0006  * All rights reserved.                                                  *
0007  *                                                                       *
0008  * For the licensing terms see $ROOTSYS/LICENSE.                         *
0009  * For the list of contributors see $ROOTSYS/README/CREDITS.             *
0010  *************************************************************************/
0011
0012 #ifndef ROOT_REveStraightLineSet
0013 #define ROOT_REveStraightLineSet
0014
0015 #include "TNamed.h"
0016 #include "TAttMarker.h"
0017 #include "TAttLine.h"
0018 #include "TAttBBox.h"
0019
0020 #include "ROOT/REveElement.hxx"
0021 #include "ROOT/REveProjectionBases.hxx"
0022 #include "ROOT/REveChunkManager.hxx"
0023 #include "ROOT/REveTrans.hxx"
0024 #include "ROOT/REveSecondarySelectable.hxx"
0025
0026 class TRandom;
0027
0028 namespace ROOT {
0029 namespace Experimental {
0030
0031 ///////////////////////////////////////////////////////////////////////////////
0032 /// REveStraightLineSet
0033 /// Set of straight lines with optional markers along the lines.
0034 ///////////////////////////////////////////////////////////////////////////////
0035
0036 class REveStraightLineSet : public REveElement,
0037                             public REveProjectable,
0038                             public TAttLine,
0039                             public TAttMarker,
0040                             public TAttBBox,
0041                             public REveSecondarySelectable
0042 {
0043 private:
0044    REveStraightLineSet(const REveStraightLineSet&) = delete;
0045    REveStraightLineSet& operator=(const REveStraightLineSet&) = delete;
0046
0047 public:
0048    struct Line_t
0049    {
0050       Int_t          fId;
0051       Float_t        fV1[3];
0052       Float_t        fV2[3];
0053
0054       Line_t(Float_t x1, Float_t y1, Float_t z1,
0055              Float_t x2, Float_t y2, Float_t z2) : fId(-1)
0056       {
0057          fV1[0] = x1; fV1[1] = y1; fV1[2] = z1;
0058          fV2[0] = x2; fV2[1] = y2; fV2[2] = z2;
0059       }
0060    };
0061
0062    struct Marker_t
0063    {
0064       Float_t      fV[3];
0065       Int_t        fLineId;
0066
0067       Marker_t(Float_t x, Float_t y, Float_t z, Int_t line_id) : fLineId(line_id)
0068       {
0069          fV[0] = x; fV[1] = y; fV[2] = z;
0070       }
0071    };
0072
0073 protected:
0074    REveChunkManager  fLinePlex;
0075    REveChunkManager  fMarkerPlex;
0076
0077    Bool_t            fOwnLinesIds;    // Flag specifying if id-objects are owned by the line-set
0078    Bool_t            fOwnMarkersIds;  // Flag specifying if id-objects are owned by the line-set
0079
0080    Bool_t            fRnrMarkers;
0081    Bool_t            fRnrLines;
0082
0083    Bool_t            fDepthTest;
0084
0085    Line_t           *fLastLine{nullptr}; ///<!
0086
0087 public:
0088    REveStraightLineSet(const std::string &n="StraightLineSet", const std::string &t="");
0089    ~REveStraightLineSet() override {}
0090
0091    void SetLineColor(Color_t col) override { SetMainColor(col); }
0092
0093    Line_t   *AddLine(Float_t x1, Float_t y1, Float_t z1, Float_t x2, Float_t y2, Float_t z2);
0094    Line_t   *AddLine(const REveVector& p1, const REveVector& p2);
0095    Marker_t *AddMarker(Float_t x, Float_t y, Float_t z, Int_t line_id=-1);
0096    Marker_t *AddMarker(const REveVector& p, Int_t line_id=-1);
0097    Marker_t *AddMarker(Int_t line_id, Float_t pos);
0098
0099    void      SetLine(int idx, Float_t x1, Float_t y1, Float_t z1, Float_t x2, Float_t y2, Float_t z2);
0100    void      SetLine(int idx, const REveVector& p1, const REveVector& p2);
0101
0102    REveChunkManager &GetLinePlex()   { return fLinePlex;   }
0103    REveChunkManager &GetMarkerPlex() { return fMarkerPlex; }
0104
0105    virtual Bool_t GetRnrMarkers() { return fRnrMarkers; }
0106    virtual Bool_t GetRnrLines()   { return fRnrLines;   }
0107    virtual Bool_t GetDepthTest()  { return fDepthTest;   }
0108
0109    virtual void SetRnrMarkers(Bool_t x) { fRnrMarkers = x; }
0110    virtual void SetRnrLines(Bool_t x)   { fRnrLines   = x; }
0111    virtual void SetDepthTest(Bool_t x)  { fDepthTest   = x; }
0112
0113    void CopyVizParams(const REveElement* el) override;
0114    void WriteVizParams(std::ostream& out, const TString& var) override;
0115
0116    TClass* ProjectedClass(const REveProjection* p) const override;
0117
0118    Int_t WriteCoreJson(nlohmann::json &j, Int_t rnr_offset) override;
0119    void  BuildRenderData() override;
0120
0121    void ComputeBBox() override;
0122 };
0123
0124
0125 ///////////////////////////////////////////////////////////////////////////////
0126 /// REveStraightLineSetProjected
0127 /// Projected copy of a REveStraightLineSet.
0128 ///////////////////////////////////////////////////////////////////////////////
0129
0130 class REveStraightLineSetProjected : public REveStraightLineSet,
0131                                      public REveProjected
0132 {
0133 private:
0134    REveStraightLineSetProjected(const REveStraightLineSetProjected&) = delete;
0135    REveStraightLineSetProjected& operator=(const REveStraightLineSetProjected&) = delete;
0136
0137 protected:
0138    void SetDepthLocal(Float_t d) override;
0139
0140 public:
0141    REveStraightLineSetProjected();
0142    ~REveStraightLineSetProjected() override {}
0143
0144    void SetProjection(REveProjectionManager* mng, REveProjectable* model) override;
0145    void UpdateProjection() override;
0146    REveElement* GetProjectedAsElement() override { return this; }
0147 };
0148
0149 } // namespace Experimental
0150 } // namespace ROOT
0151
0152 #endif