class TGraphPolargram: public TNamed, public TAttText, public TAttLine

TGraphPolargram : to draw polar axis

TGraphPolargram draw the polar axis of the TGraphPolar.

Example: 


Picture
Source



output of MACRO_TGraphPolargram_1_CPol


{
   TCanvas * CPol = new TCanvas("CPol","TGraphPolar Examples",500,500);

   Double_t rmin=0;
   Double_t rmax=TMath::Pi()*2;
   Double_t r[1000];
   Double_t theta[1000];

   TF1 * fp1 = new TF1("fplot","cos(x)",rmin,rmax);
   for (Int_t ipt = 0; ipt < 1000; ipt++) {
      r[ipt] = ipt*(rmax-rmin)/1000+rmin;
      theta[ipt] = fp1->Eval(r[ipt]);
   }
   TGraphPolar * grP1 = new TGraphPolar(1000,r,theta);
   grP1->SetLineColor(2);
   grP1->Draw("AOL");

   return CPol;
}
 








Function Members (Methods)


public:



TGraphPolargram(const char* name = "")


TGraphPolargram(const TGraphPolargram&)


TGraphPolargram(const char* name, Double_t rmin, Double_t rmax, Double_t tmin, Double_t tmax)


 virtual~TGraphPolargram()


voidTObject::AbstractMethod(const char* method) const


virtual voidTObject::AppendPad(Option_t* option = "")


virtual voidTObject::Browse(TBrowser* b)


voidChangeRangePolar(Double_t tmin, Double_t tmax)


static TClass*Class()


virtual const char*TObject::ClassName() const


virtual voidTNamed::Clear(Option_t* option = "")


virtual TObject*TNamed::Clone(const char* newname = "") const


virtual Int_tTNamed::Compare(const TObject* obj) const


virtual voidTNamed::Copy(TObject& named) const


virtual voidTObject::Delete(Option_t* option = "")MENU 


Int_tTAttLine::DistancetoLine(Int_t px, Int_t py, Double_t xp1, Double_t yp1, Double_t xp2, Double_t yp2)


virtual Int_tDistancetoPrimitive(Int_t px, Int_t py)


virtual voidDraw(Option_t* options = "")


virtual voidTObject::DrawClass() constMENU 


virtual TObject*TObject::DrawClone(Option_t* option = "") constMENU 


virtual voidTObject::Dump() constMENU 


virtual voidTObject::Error(const char* method, const char* msgfmt) const


virtual voidTObject::Execute(const char* method, const char* params, Int_t* error = 0)


virtual voidTObject::Execute(TMethod* method, TObjArray* params, Int_t* error = 0)


virtual voidExecuteEvent(Int_t event, Int_t px, Int_t py)


virtual voidTObject::Fatal(const char* method, const char* msgfmt) const


virtual voidTNamed::FillBuffer(char*& buffer)


virtual TObject*TObject::FindObject(const char* name) const


virtual TObject*TObject::FindObject(const TObject* obj) const


Double_tGetAngle()


virtual Option_t*TObject::GetDrawOption() const


static Long_tTObject::GetDtorOnly()


virtual const char*TObject::GetIconName() const


virtual Color_tTAttLine::GetLineColor() const


virtual Style_tTAttLine::GetLineStyle() const


virtual Width_tTAttLine::GetLineWidth() const


virtual const char*TNamed::GetName() const


Int_tGetNdivPolar()


Int_tGetNdivRadial()


virtual char*TObject::GetObjectInfo(Int_t px, Int_t py) const


static Bool_tTObject::GetObjectStat()


virtual Option_t*TObject::GetOption() const


Color_tGetPolarColorLabel()


Font_tGetPolarLabelFont()


Double_tGetPolarLabelSize()


Double_tGetPolarOffset()


Color_tGetRadialColorLabel()


Font_tGetRadialLabelFont()


Double_tGetRadialLabelSize()


Double_tGetRadialOffset()


Double_tGetRMax()


Double_tGetRMin()


virtual Short_tTAttText::GetTextAlign() const


virtual Float_tTAttText::GetTextAngle() const


virtual Color_tTAttText::GetTextColor() const


virtual Font_tTAttText::GetTextFont() const


virtual Float_tTAttText::GetTextSize() const


Double_tGetTickpolarSize()


virtual const char*TNamed::GetTitle() const


Double_tGetTMax()


Double_tGetTMin()


virtual UInt_tTObject::GetUniqueID() const


virtual Bool_tTObject::HandleTimer(TTimer* timer)


virtual ULong_tTNamed::Hash() const


virtual voidTObject::Info(const char* method, const char* msgfmt) const


virtual Bool_tTObject::InheritsFrom(const char* classname) const


virtual Bool_tTObject::InheritsFrom(const TClass* cl) const


virtual voidTObject::Inspect() constMENU 


voidTObject::InvertBit(UInt_t f)


virtual TClass*IsA() const


Bool_tIsDegree()


virtual Bool_tTObject::IsEqual(const TObject* obj) const


virtual Bool_tTObject::IsFolder() const


Bool_tIsGrad()


Bool_tTObject::IsOnHeap() const


Bool_tIsRadian()


virtual Bool_tTNamed::IsSortable() const


Bool_tTObject::IsZombie() const


virtual voidTNamed::ls(Option_t* option = "") const


voidTObject::MayNotUse(const char* method) const


virtual voidTAttText::Modify()


virtual Bool_tTObject::Notify()


static voidTObject::operator delete(void* ptr)


static voidTObject::operator delete(void* ptr, void* vp)


static voidTObject::operator delete[](void* ptr)


static voidTObject::operator delete[](void* ptr, void* vp)


void*TObject::operator new(size_t sz)


void*TObject::operator new(size_t sz, void* vp)


void*TObject::operator new[](size_t sz)


void*TObject::operator new[](size_t sz, void* vp)


TGraphPolargram&operator=(const TGraphPolargram&)


voidPaintCircle(Double_t x, Double_t y, Double_t r, Double_t phimin, Double_t phimax, Double_t theta)


virtual voidTObject::Pop()


virtual voidTNamed::Print(Option_t* option = "") const


virtual Int_tTObject::Read(const char* name)


virtual voidTObject::RecursiveRemove(TObject* obj)


virtual voidTAttLine::ResetAttLine(Option_t* option = "")


virtual voidTAttText::ResetAttText(Option_t* toption = "")


voidTObject::ResetBit(UInt_t f)


virtual voidTObject::SaveAs(const char* filename = "", Option_t* option = "") constMENU 


virtual voidTAttLine::SaveLineAttributes(ostream& out, const char* name, Int_t coldef = 1, Int_t stydef = 1, Int_t widdef = 1)


virtual voidTObject::SavePrimitive(basic_ostream<char,char_traits<char> >& out, Option_t* option = "")


virtual voidTAttText::SaveTextAttributes(ostream& out, const char* name, Int_t alidef = 12, Float_t angdef = 0, Int_t coldef = 1, Int_t fondef = 61, Float_t sizdef = 1)


voidSetAxisAngle(Double_t angle = 0)MENU 


voidTObject::SetBit(UInt_t f)


voidTObject::SetBit(UInt_t f, Bool_t set)


virtual voidTObject::SetDrawOption(Option_t* option = "")MENU 


static voidTObject::SetDtorOnly(void* obj)


virtual voidTAttLine::SetLineAttributes()MENU 


virtual voidTAttLine::SetLineColor(Color_t lcolor)


virtual voidTAttLine::SetLineStyle(Style_t lstyle)


virtual voidTAttLine::SetLineWidth(Width_t lwidth)


virtual voidTNamed::SetName(const char* name)MENU 


virtual voidTNamed::SetNameTitle(const char* name, const char* title)


voidSetNdivPolar(Int_t Ndiv = 508)MENU 


voidSetNdivRadial(Int_t Ndiv = 508)MENU 


static voidTObject::SetObjectStat(Bool_t stat)


voidSetPolarLabel(Int_t div, const TString& label)


voidSetPolarLabelColor(Color_t tcolorangular = 1)MENU 


voidSetPolarLabelFont(Font_t tfontangular = 62)MENU 


voidSetPolarLabelSize(Double_t angularsize = 0.04)MENU 


voidSetPolarOffset(Double_t PolarOffset = 0.04)MENU 


voidSetRadialLabelColor(Color_t tcolorradial = 1)MENU 


voidSetRadialLabelFont(Font_t tfontradial = 62)MENU 


voidSetRadialLabelSize(Double_t radialsize = 0.035)MENU 


voidSetRadialOffset(Double_t RadialOffset = 0.025)MENU 


voidSetRangePolar(Double_t tmin, Double_t tmax)MENU 


voidSetRangeRadial(Double_t rmin, Double_t rmax)MENU 


virtual voidTAttText::SetTextAlign(Short_t align = 11)


virtual voidTAttText::SetTextAngle(Float_t tangle = 0)MENU 


virtual voidTAttText::SetTextAttributes()MENU 


virtual voidTAttText::SetTextColor(Color_t tcolor = 1)


virtual voidTAttText::SetTextFont(Font_t tfont = 62)


virtual voidTAttText::SetTextSize(Float_t tsize = 1)


virtual voidTAttText::SetTextSizePixels(Int_t npixels)


voidSetTickpolarSize(Double_t tickpolarsize = 0.02)MENU 


virtual voidTNamed::SetTitle(const char* title = "")MENU 


voidSetToDegree()MENU 


voidSetToGrad()MENU 


voidSetToRadian()MENU 


voidSetTwoPi()


virtual voidTObject::SetUniqueID(UInt_t uid)


virtual voidShowMembers(TMemberInspector& insp, char* parent)


virtual Int_tTNamed::Sizeof() const


virtual voidStreamer(TBuffer& b)


voidStreamerNVirtual(TBuffer& b)


virtual voidTObject::SysError(const char* method, const char* msgfmt) const


Bool_tTObject::TestBit(UInt_t f) const


Int_tTObject::TestBits(UInt_t f) const


virtual voidTObject::UseCurrentStyle()


virtual voidTObject::Warning(const char* method, const char* msgfmt) const


virtual Int_tTObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0)


virtual Int_tTObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0) const





protected:



virtual voidTObject::DoError(int level, const char* location, const char* fmt, va_list va) const


voidTObject::MakeZombie()





private:



Int_tFindAlign(Double_t angle)


Double_tFindTextAngle(Double_t theta)


voidInit()


virtual voidPaint(Option_t* options = "")


voidPaintPolarDivisions(Bool_t noLabels)


voidPaintRadialDivisions(Bool_t drawaxis)


voidReduceFraction(Int_t Num, Int_t Denom, Int_t& rnum, Int_t& rden)










Data Members


public:



enum  { kLabelOrtho


};


enum TObject::EStatusBits { kCanDelete


kMustCleanup


kObjInCanvas


kIsReferenced


kHasUUID


kCannotPick


kNoContextMenu


kInvalidObject


};


enum TObject::[unnamed] { kIsOnHeap


kNotDeleted


kZombie


kBitMask


kSingleKey


kOverwrite


kWriteDelete


};





protected:



Color_tTAttLine::fLineColorline color


Style_tTAttLine::fLineStyleline style


Width_tTAttLine::fLineWidthline width


TStringTNamed::fNameobject identifier


Short_tTAttText::fTextAlignText alignment


Float_tTAttText::fTextAngleText angle


Color_tTAttText::fTextColorText color index


Font_tTAttText::fTextFontText font number


Float_tTAttText::fTextSizeText size


TStringTNamed::fTitleobject title





private:



Double_tfAxisAngleSet angle of the radial axis


Int_tfCutRadialif fCutRadial = 0, circles are cut by radial axis


Bool_tfDegree


Bool_tfGrad


Int_tfNdivPolNumber of polar divisions


Int_tfNdivRadNumber of radial divisions


Color_tfPolarLabelColorSet color of the angular labels


Font_tfPolarLabelFontSet font of angular labels


TString*fPolarLabels![fNdivPol] Specified polar labels


Double_tfPolarOffsetOffset for Polar labels


Double_tfPolarTextSizeSet Polar text size


Color_tfRadialLabelColorSet color of the radial labels


Font_tfRadialLabelFontSet font of radial labels


Double_tfRadialOffsetOffset for radial labels


Double_tfRadialTextSize


Bool_tfRadian


Double_tfRwrmaxMaximal radial value (real world)


Double_tfRwrminMinimal radial value (real world)


Double_tfRwtmaxMinimal angular value (real world)


Double_tfRwtminMinimal angular value (real world)


Double_tfTickpolarSizeSet size of Tickmarks







Class Charts










































Inheritance
Inherited Members
Includes
Libraries



Class Charts


Function documentation


 TGraphPolargram(const char* name, Double_t rmin, Double_t rmax, Double_t tmin, Double_t tmax)


 TGraphPolargram Constructor.





 TGraphPolargram(const char* name)


 Short constructor used in the case of a spider plot.





 ~TGraphPolargram()


 TGraphPolargram destructor.





void ChangeRangePolar(Double_t tmin, Double_t tmax)


 Set the Polar range.
 tmin is the start number.
 tmax is the end number.





Int_t DistancetoPrimitive(Int_t px, Int_t py)


 Everything within the circle belongs to the TGraphPolargram.





void Draw(Option_t* options = "")


 Draw Polargram.





void ExecuteEvent(Int_t event, Int_t px, Int_t py)


 Indicate that there is something to click here.





Int_t FindAlign(Double_t angle)


 Find the alignement rule to apply for TText::SetTextAlign(Short_t).





Double_t FindTextAngle(Double_t theta)


 Determine the orientation of the polar labels according to their angle.





void Init()


 Initiallize some of the fields of TGraphPolargram.





void Paint(Option_t* options = "")


 Paint TGraphPolargram.





void PaintCircle(Double_t x, Double_t y, Double_t r, Double_t phimin, Double_t phimax, Double_t theta)


 This is simplifed from TEllipse::PaintEllipse.
 Draw this ellipse with new coordinates.





void PaintPolarDivisions(Bool_t noLabels)


 Draw Polar divisions.
 Check for editable pad or create default.





void PaintRadialDivisions(Bool_t drawaxis)


 Paint radial divisions.
 Check for editable pad or create default.





void ReduceFraction(Int_t Num, Int_t Denom, Int_t& rnum, Int_t& rden)


 Reduce fractions.





void SetAxisAngle(Double_t angle = 0)


 Set axis angle.





void SetNdivPolar(Int_t Ndiv = 508)


 Set the number of Polar divisions: enter a number ij with 0<i<99
                                                           0<j<99
 i sets the major Polar divisions.
 j sets the minor Polar divisions.





void SetNdivRadial(Int_t Ndiv = 508)


 Set the number of radial divisions: enter a number ij with 0<i<99
                                                            0<j<99
 i sets the major radial divisions.
 j sets the minor radial divisions.





void SetPolarLabel(Int_t div, const TString& label)


 Set some specified polar labels, used in the case of a spider plot.





void SetPolarLabelColor(Color_t tcolorangular = 1)


 Set Polar labels color.





void SetPolarLabelFont(Font_t tfontangular = 62)




void SetPolarLabelSize(Double_t angularsize = 0.04)


 Set angular labels size.





void SetPolarOffset(Double_t PolarOffset = 0.04)


 Set the labels offset.





void SetRadialLabelColor(Color_t tcolorradial = 1)


 Set radial labels color.





void SetRadialLabelFont(Font_t tfontradial = 62)


 Set radial label font.





void SetRadialLabelSize(Double_t radialsize = 0.035)


 Set radial labels size.





void SetRadialOffset(Double_t RadialOffset = 0.025)


 Set the labels offset.





void SetRangePolar(Double_t tmin, Double_t tmax)


 Allows to change range Polar.
 tmin is the start number.
 tmax is the end number.





void SetRangeRadial(Double_t rmin, Double_t rmax)


 Set the radial range.
 rmin is at center of the circle.
 rmax is at the intersection of the right X axis part and the circle.





void SetTickpolarSize(Double_t tickpolarsize = 0.02)


 Set polar ticks size.





void SetToDegree()


 The Polar circle is labelled using degree.





void SetToGrad()


 The Polar circle is labelled using gradian.





void SetToRadian()


 The Polar circle is labelled using radian.





void SetTwoPi()


set range from 0 to 2*pi





 TGraphPolargram(const char* name, Double_t rmin, Double_t rmax, Double_t tmin, Double_t tmax)




Color_t GetPolarColorLabel()



{ return fPolarLabelColor;}






Color_t GetRadialColorLabel()



{ return fRadialLabelColor;}






Double_t GetAngle()



{ return fAxisAngle;}






Double_t GetPolarLabelSize()



{return fPolarTextSize;}






Double_t GetPolarOffset()



{ return fPolarOffset; }






Double_t GetRadialLabelSize()



{return fRadialTextSize;}






Double_t GetRadialOffset()



{ return fRadialOffset; }






Double_t GetRMin()



{ return fRwrmin;}






Double_t GetRMax()



{ return fRwrmax;}






Double_t GetTickpolarSize()



{return fTickpolarSize;}






Double_t GetTMin()



{ return fRwtmin;}






Double_t GetTMax()



{ return fRwtmax;}






Font_t GetPolarLabelFont()



{ return fPolarLabelFont;}






Font_t GetRadialLabelFont()



{ return fRadialLabelFont;}






Int_t GetNdivPolar()



{ return fNdivPol;}






Int_t GetNdivRadial()



{ return fNdivRad;}






Bool_t IsDegree()



{return fDegree;}






Bool_t IsRadian()



{return fRadian;}






Bool_t IsGrad()



{return fGrad;}









Author:  Sebastian Boser,  02/02/06

Last change: root/graf:$Id: TGraphPolargram.h 24145 2008-06-04 19:21:09Z brun $

Last generated: 2008-06-25 08:46

Copyright   (C) 1995-2000, Rene Brun and Fons Rademakers.               *




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