TPolyLine
class description - source file - inheritance tree
public:
TPolyLine TPolyLine()
TPolyLine TPolyLine(Int_t n, Option_t* option)
TPolyLine TPolyLine(Int_t n, Float_t* x, Float_t* y, Option_t* option)
TPolyLine TPolyLine(Int_t n, Double_t* x, Double_t* y, Option_t* option)
TPolyLine TPolyLine(const TPolyLine& polyline)
virtual void ~TPolyLine()
static TClass* Class()
virtual void Copy(TObject& polyline)
virtual Int_t DistancetoPrimitive(Int_t px, Int_t py)
virtual void Draw(Option_t* option)
virtual void DrawPolyLine(Int_t n, Double_t* x, Double_t* y, Option_t* option)
virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py)
Int_t GetN() const
virtual Option_t* GetOption() const
Double_t* GetX() const
Double_t* GetY() const
virtual TClass* IsA() const
virtual void ls(Option_t* option) const
virtual void Paint(Option_t* option)
virtual void PaintPolyLine(Int_t n, Double_t* x, Double_t* y, Option_t* option)
virtual void PaintPolyLineNDC(Int_t n, Double_t* x, Double_t* y, Option_t* option)
virtual void Print(Option_t* option) const
virtual void SavePrimitive(ofstream& out, Option_t* option)
virtual void SetOption(Option_t* option)
virtual void SetPoint(Int_t point, Double_t x, Double_t y)
virtual void SetPolyLine(Int_t n, Double_t* x = 0, Double_t* y = 0, Option_t* option)
virtual void ShowMembers(TMemberInspector& insp, char* parent)
virtual void Streamer(TBuffer& b)
void StreamerNVirtual(TBuffer& b)
protected:
Int_t fN Number of points
Double_t* fX [fN] Array of X coordinates
Double_t* fY [fN] Array of Y coordinates
TString fOption options
See also
-
TCurlyLine
a PolyLine is defined by an array on N points in a 2-D space.
TPolyLine(): TObject()
*-*-*-*-*-*-*-*-*-*-*PolyLine default constructor*-*-*-*-*-*-*-*-*-*-*-*-*
*-* ============================
TPolyLine(Int_t n, Option_t *option)
:TObject(), TAttLine(), TAttFill()
*-*-*-**-*-*PolyLine normal constructor without initialisation*-*-*-*-*-*-*-*
*-* ==================================================
TPolyLine(Int_t n, Float_t *x, Float_t *y, Option_t *option)
:TObject(), TAttLine(), TAttFill()
*-*-*-*-*-*-*-*-*-*-*PolyLine normal constructor*-*-*-*-*-*-*-*-*-*-*-*-*
*-* ===========================
TPolyLine(Int_t n, Double_t *x, Double_t *y, Option_t *option)
:TObject(), TAttLine(), TAttFill()
*-*-*-*-*-*-*-*-*-*-*PolyLine normal constructor*-*-*-*-*-*-*-*-*-*-*-*-*
*-* ===========================
~TPolyLine()
*-*-*-*-*-*-*-*-*-*-*PolyLine default destructor*-*-*-*-*-*-*-*-*-*-*-*-*
*-* ===========================
TPolyLine(const TPolyLine &polyline)
void Copy(TObject &obj)
*-*-*-*-*-*-*Copy this polyline to polyline*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*-* ==============================
Int_t DistancetoPrimitive(Int_t px, Int_t py)
*-*-*-*-*-*-*-*-*Compute distance from point px,py to a polyline*-*-*-*-*-*
*-* ===============================================
Compute the closest distance of approach from point px,py to each segment
of the polyline.
Returns when the distance found is below DistanceMaximum.
The distance is computed in pixels units.
void Draw(Option_t *option)
*-*-*-*-*-*-*-*-*Draw this polyline with its current attributes*-*-*-*-*-*-*
*-* ==============================================
void DrawPolyLine(Int_t n, Double_t *x, Double_t *y, Option_t *option)
*-*-*-*-*-*-*-*-*Draw this polyline with new coordinates*-*-*-*-*-*-*-*-*-*
*-* ========================================
void ExecuteEvent(Int_t event, Int_t px, Int_t py)
*-*-*-*-*-*-*-*-*-*-*Execute action corresponding to one event*-*-*-*
*-* =========================================
This member function is called when a polyline is clicked with the locator
If Left button clicked on one of the line end points, this point
follows the cursor until button is released.
if Middle button clicked, the line is moved parallel to itself
until the button is released.
void ls(Option_t *) const
*-*-*-*-*-*-*-*-*-*List this polyline with its attributes*-*-*-*-*-*-*-*-*
*-* ======================================
void Paint(Option_t *option)
*-*-*-*-*-*-*-*-*Paint this polyline with its current attributes*-*-*-*-*-*-*
*-* ===============================================
void PaintPolyLine(Int_t n, Double_t *x, Double_t *y, Option_t *option)
*-*-*-*-*-*-*-*-*Draw this polyline with new coordinates*-*-*-*-*-*-*-*-*-*
*-* =======================================
if option = 'f' or 'F' the fill area is drawn
default is to draw the lines only
void PaintPolyLineNDC(Int_t n, Double_t *x, Double_t *y, Option_t *option)
*-*-*-*-*-*-*-*-*Draw this polyline with new coordinates in NDC*-*-*-*-*-*-*
*-* ==============================================
void Print(Option_t *) const
*-*-*-*-*-*-*-*-*Dump this polyline with its attributes*-*-*-*-*-*-*-*-*-*
*-* ======================================
void SavePrimitive(ofstream &out, Option_t *)
Save primitive as a C++ statement(s) on output stream out
void SetPoint(Int_t point, Double_t x, Double_t y)
*-*-*-*-*-*-*-*-*-*-*-*Initialize one point of the polyline*-*-*-*-*-*-*-*-*
*-* ====================================
void SetPolyLine(Int_t n, Double_t *x, Double_t *y, Option_t *option)
*-*-*-*-*-*-*-*-*-*-*-*Set new values for this polyline*-*-*-*-*-*-*-*-*-*
*-* ================================
void Streamer(TBuffer &b)
*-*-*-*-*-*-*-*-*Stream a class object*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
*-* =========================================
Inline Functions
Int_t GetN() const
Double_t* GetX() const
Double_t* GetY() const
Option_t* GetOption() const
void SetOption(Option_t* option)
TClass* Class()
TClass* IsA() const
void ShowMembers(TMemberInspector& insp, char* parent)
void StreamerNVirtual(TBuffer& b)
Author: Rene Brun 12/12/94
Last update: root/graf:$Name: $:$Id: TPolyLine.cxx,v 1.5 2000/12/13 15:13:50 brun Exp $
Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
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