Logo ROOT  
Reference Guide
REveEllipsoid.hxx
Go to the documentation of this file.
1// @(#)root/eve7:$Id$
2// Author: Matevz Tadel, Alja Tadel
3
4/*************************************************************************
5 * Copyright (C) 1995-2019, Rene Brun and Fons Rademakers. *
6 * All rights reserved. *
7 * *
8 * For the licensing terms see $ROOTSYS/LICENSE. *
9 * For the list of contributors see $ROOTSYS/README/CREDITS. *
10 *************************************************************************/
11
12#ifndef ROOT7_REveEllipsoid
13#define ROOT7_REveEllipsoid
14
15#include <ROOT/REveShape.hxx>
16#include <ROOT/REveVector.hxx>
19
20namespace ROOT {
21namespace Experimental {
22
23//------------------------------------------------------------------------------
24// REveEllipsoid
25//------------------------------------------------------------------------------
26
28{
30
31private:
32 REveEllipsoid(const REveEllipsoid &) = delete;
34
35protected:
39
40 float fPhiStep;
41 void DrawArch(float phiStart, float phiEnd, float phiStep, REveVector& v0, REveVector& v1, REveVector& v2);
42
43public:
44 REveEllipsoid(const std::string &n = "REveJetConeProjected", const std::string& t = "");
45 virtual ~REveEllipsoid() {};
46
47 virtual void Outline();
49 void SetPhiStep(float ps);
50
51 Int_t WriteCoreJson(nlohmann::json &j, Int_t rnr_offset) override;
52
53 TClass *ProjectedClass(const REveProjection *p) const override;
54};
55
56//------------------------------------------------------------------------------
57// REveEllipsoidProjected
58//------------------------------------------------------------------------------
59
61{
62private:
65
66 void DrawArchProjected(float phiStart, float phiEnd, float phiStep, REveVector& v0, REveVector& v1, REveVector& v2);
68
71
72 std::vector <REveVector> fArchPnts;
73 float GetEllipseSurface (const REveVector& v1, const REveVector& v2);
74
75public:
76 REveEllipsoidProjected(const std::string &n = "REveEllipsoidProjected", const std::string& t = "");
78
79 void BuildRenderData() override;
80
81 Int_t WriteCoreJson(nlohmann::json &j, Int_t rnr_offset) override;
82
83 virtual void OutlineProjected();
84 virtual void SetProjection(REveProjectionManager *mng, REveProjectable *model) override;
85 void UpdateProjection() override;
86 REveElement *GetProjectedAsElement() override { return this; }
87};
88
89} // namespace Experimental
90} // namespace ROOT
91
92#endif
int Int_t
Definition: RtypesCore.h:45
virtual void OutlineProjected()
Find longest projection of axes and draw an arch.
REveEllipsoidProjected & operator=(const REveEllipsoidProjected &)=delete
void GetSurfaceSize(REveVector &p1, REveVector &p2)
virtual void SetProjection(REveProjectionManager *mng, REveProjectable *model) override
This is virtual method from base-class REveProjected.
float GetEllipseSurface(const REveVector &v1, const REveVector &v2)
Get surface size of projected ellipse.
REveEllipsoidProjected(const REveEllipsoidProjected &)=delete
Int_t WriteCoreJson(nlohmann::json &j, Int_t rnr_offset) override
Fill core part of JSON representation.
void DrawArchProjected(float phiStart, float phiEnd, float phiStep, REveVector &v0, REveVector &v1, REveVector &v2)
Draw archade around base vectors.
void BuildRenderData() override
Crates 3D point array for rendering.
void UpdateProjection() override
Callback that actually performs the projection.
REveElement * GetProjectedAsElement() override
Returns this projected dynamic-casted to REveElement.
void SetBaseVectors(REveVector &v0, REveVector &v1, REveVector &v3)
Three defining base vectors of ellipse.
Int_t WriteCoreJson(nlohmann::json &j, Int_t rnr_offset) override
Fill core part of JSON representation.
void DrawArch(float phiStart, float phiEnd, float phiStep, REveVector &v0, REveVector &v1, REveVector &v2)
Draw archade as straight line set.
REveEllipsoid & operator=(const REveEllipsoid &)=delete
TClass * ProjectedClass(const REveProjection *p) const override
Virtual from REveProjectable, returns REveEllipsoidProjected class.
virtual void Outline()
Draw archade around base vectors.
void SetPhiStep(float ps)
Set size of phi step in archade drawing.
REveEllipsoid(const REveEllipsoid &)=delete
REveProjectionManager Manager class for steering of projections and managing projected objects.
REveProjection Base for specific classes that implement non-linear projections.
REveStraightLineSetProjected Projected copy of a REveStraightLineSet.
REveStraightLineSet Set of straight lines with optional markers along the lines.
TClass instances represent classes, structs and namespaces in the ROOT type system.
Definition: TClass.h:80
const Int_t n
Definition: legend1.C:16
tbb::task_arena is an alias of tbb::interface7::task_arena, which doesn't allow to forward declare tb...
static constexpr double ps
basic_json< std::map, std::vector, std::string, bool, std::int64_t, std::uint64_t, double, std::allocator, adl_serializer, std::vector< std::uint8_t > > json
Definition: REveElement.hxx:36