ROOT
6.07/01
Reference Guide
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Definition at line 31 of file TGeoPolygon.h.
Public Types | |
enum | { kGeoConvex = BIT(9), kGeoFinishPolygon = BIT(10), kGeoACW = BIT(11) } |
Public Types inherited from TObject | |
enum | EStatusBits { kCanDelete = BIT(0), kMustCleanup = BIT(3), kObjInCanvas = BIT(3), kIsReferenced = BIT(4), kHasUUID = BIT(5), kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13) } |
enum | { kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kBitMask = 0x00ffffff } |
enum | { kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) } |
Public Member Functions | |
TGeoPolygon () | |
TGeoPolygon (Int_t nvert) | |
Default constructor. More... | |
virtual | ~TGeoPolygon () |
Destructor. More... | |
Double_t | Area () const |
Computes area of the polygon in [length^2]. More... | |
Bool_t | Contains (const Double_t *point) const |
Check if a point given by X = point[0], Y = point[1] is inside the polygon. More... | |
virtual void | Draw (Option_t *option="") |
Draw the polygon. More... | |
void | FinishPolygon () |
Decompose polygon in a convex outscribed part and a list of daughter polygons that have to be substracted to get the actual one. More... | |
Int_t | GetNvert () const |
Int_t | GetNconvex () const |
Double_t * | GetX () |
Double_t * | GetY () |
void | GetVertices (Double_t *x, Double_t *y) const |
Fill list of vertices into provided arrays. More... | |
void | GetConvexVertices (Double_t *x, Double_t *y) const |
Fill list of vertices of the convex outscribed polygon into provided arrays. More... | |
Bool_t | IsClockwise () const |
Bool_t | IsConvex () const |
Bool_t | IsFinished () const |
Bool_t | IsIllegalCheck () const |
Check for illegal crossings between non-consecutive segments. More... | |
Double_t | Safety (const Double_t *point, Int_t &isegment) const |
Compute minimum distance from POINT to any segment. Returns segment index. More... | |
void | SetConvex (Bool_t flag=kTRUE) |
void | SetXY (Double_t *x, Double_t *y) |
Set X/Y array pointer for the polygon and daughters. More... | |
void | SetNextIndex (Int_t index=-1) |
Sets the next polygone index. More... | |
Public Member Functions inherited from TObject | |
TObject () | |
TObject (const TObject &object) | |
TObject copy ctor. More... | |
TObject & | operator= (const TObject &rhs) |
TObject assignment operator. More... | |
virtual | ~TObject () |
TObject destructor. More... | |
virtual void | AppendPad (Option_t *option="") |
Append graphics object to current pad. More... | |
virtual void | Browse (TBrowser *b) |
Browse object. May be overridden for another default action. More... | |
virtual const char * | ClassName () const |
Returns name of class to which the object belongs. More... | |
virtual void | Clear (Option_t *="") |
virtual TObject * | Clone (const char *newname="") const |
Make a clone of an object using the Streamer facility. More... | |
virtual Int_t | Compare (const TObject *obj) const |
Compare abstract method. More... | |
virtual void | Copy (TObject &object) const |
Copy this to obj. More... | |
virtual void | Delete (Option_t *option="") |
Delete this object. More... | |
virtual Int_t | DistancetoPrimitive (Int_t px, Int_t py) |
Computes distance from point (px,py) to the object. More... | |
virtual void | DrawClass () const |
Draw class inheritance tree of the class to which this object belongs. More... | |
virtual TObject * | DrawClone (Option_t *option="") const |
Draw a clone of this object in the current pad. More... | |
virtual void | Dump () const |
Dump contents of object on stdout. More... | |
virtual void | Execute (const char *method, const char *params, Int_t *error=0) |
Execute method on this object with the given parameter string, e.g. More... | |
virtual void | Execute (TMethod *method, TObjArray *params, Int_t *error=0) |
Execute method on this object with parameters stored in the TObjArray. More... | |
virtual void | ExecuteEvent (Int_t event, Int_t px, Int_t py) |
Execute action corresponding to an event at (px,py). More... | |
virtual TObject * | FindObject (const char *name) const |
Must be redefined in derived classes. More... | |
virtual TObject * | FindObject (const TObject *obj) const |
Must be redefined in derived classes. More... | |
virtual Option_t * | GetDrawOption () const |
Get option used by the graphics system to draw this object. More... | |
virtual UInt_t | GetUniqueID () const |
Return the unique object id. More... | |
virtual const char * | GetName () const |
Returns name of object. More... | |
virtual const char * | GetIconName () const |
Returns mime type name of object. More... | |
virtual Option_t * | GetOption () const |
virtual char * | GetObjectInfo (Int_t px, Int_t py) const |
Returns string containing info about the object at position (px,py). More... | |
virtual const char * | GetTitle () const |
Returns title of object. More... | |
virtual Bool_t | HandleTimer (TTimer *timer) |
Execute action in response of a timer timing out. More... | |
virtual ULong_t | Hash () const |
Return hash value for this object. More... | |
virtual Bool_t | InheritsFrom (const char *classname) const |
Returns kTRUE if object inherits from class "classname". More... | |
virtual Bool_t | InheritsFrom (const TClass *cl) const |
Returns kTRUE if object inherits from TClass cl. More... | |
virtual void | Inspect () const |
Dump contents of this object in a graphics canvas. More... | |
virtual Bool_t | IsFolder () const |
Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More... | |
virtual Bool_t | IsEqual (const TObject *obj) const |
Default equal comparison (objects are equal if they have the same address in memory). More... | |
virtual Bool_t | IsSortable () const |
Bool_t | IsOnHeap () const |
Bool_t | IsZombie () const |
virtual Bool_t | Notify () |
This method must be overridden to handle object notification. More... | |
virtual void | ls (Option_t *option="") const |
The ls function lists the contents of a class on stdout. More... | |
virtual void | Paint (Option_t *option="") |
This method must be overridden if a class wants to paint itself. More... | |
virtual void | Pop () |
Pop on object drawn in a pad to the top of the display list. More... | |
virtual void | Print (Option_t *option="") const |
This method must be overridden when a class wants to print itself. More... | |
virtual Int_t | Read (const char *name) |
Read contents of object with specified name from the current directory. More... | |
virtual void | RecursiveRemove (TObject *obj) |
Recursively remove this object from a list. More... | |
virtual void | SaveAs (const char *filename="", Option_t *option="") const |
Save this object in the file specified by filename. More... | |
virtual void | SavePrimitive (std::ostream &out, Option_t *option="") |
Save a primitive as a C++ statement(s) on output stream "out". More... | |
virtual void | SetDrawOption (Option_t *option="") |
Set drawing option for object. More... | |
virtual void | SetUniqueID (UInt_t uid) |
Set the unique object id. More... | |
virtual void | UseCurrentStyle () |
Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. More... | |
virtual Int_t | Write (const char *name=0, Int_t option=0, Int_t bufsize=0) |
Write this object to the current directory. More... | |
virtual Int_t | Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const |
Write this object to the current directory. More... | |
void * | operator new (size_t sz) |
void * | operator new[] (size_t sz) |
void * | operator new (size_t sz, void *vp) |
void * | operator new[] (size_t sz, void *vp) |
void | operator delete (void *ptr) |
Operator delete. More... | |
void | operator delete[] (void *ptr) |
Operator delete []. More... | |
void | SetBit (UInt_t f, Bool_t set) |
Set or unset the user status bits as specified in f. More... | |
void | SetBit (UInt_t f) |
void | ResetBit (UInt_t f) |
Bool_t | TestBit (UInt_t f) const |
Int_t | TestBits (UInt_t f) const |
void | InvertBit (UInt_t f) |
virtual void | Info (const char *method, const char *msgfmt,...) const |
Issue info message. More... | |
virtual void | Warning (const char *method, const char *msgfmt,...) const |
Issue warning message. More... | |
virtual void | Error (const char *method, const char *msgfmt,...) const |
Issue error message. More... | |
virtual void | SysError (const char *method, const char *msgfmt,...) const |
Issue system error message. More... | |
virtual void | Fatal (const char *method, const char *msgfmt,...) const |
Issue fatal error message. More... | |
void | AbstractMethod (const char *method) const |
Use this method to implement an "abstract" method that you don't want to leave purely abstract. More... | |
void | MayNotUse (const char *method) const |
Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary). More... | |
void | Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const |
Use this method to declare a method obsolete. More... | |
Protected Attributes | |
Int_t | fNvert |
Int_t | fNconvex |
Int_t * | fInd |
Int_t * | fIndc |
Double_t * | fX |
Double_t * | fY |
pointer to list of current X coordinates of vertices More... | |
TObjArray * | fDaughters |
pointer to list of current Y coordinates of vertices More... | |
Private Member Functions | |
void | ConvexCheck () |
Check polygon convexity. More... | |
Bool_t | IsSegConvex (Int_t i1, Int_t i2=-1) const |
Check if a segment [0..fNvert-1] belongs to the outscribed convex pgon. More... | |
Bool_t | IsRightSided (const Double_t *point, Int_t ind1, Int_t ind2) const |
Check if POINT is right-sided with respect to the segment defined by IND1 and IND2. More... | |
void | OutscribedConvex () |
Compute indices for the outscribed convex polygon. More... | |
Additional Inherited Members | |
Static Public Member Functions inherited from TObject | |
static Long_t | GetDtorOnly () |
Return destructor only flag. More... | |
static void | SetDtorOnly (void *obj) |
Set destructor only flag. More... | |
static Bool_t | GetObjectStat () |
Get status of object stat flag. More... | |
static void | SetObjectStat (Bool_t stat) |
Turn on/off tracking of objects in the TObjectTable. More... | |
Protected Member Functions inherited from TObject | |
void | MakeZombie () |
virtual void | DoError (int level, const char *location, const char *fmt, va_list va) const |
Interface to ErrorHandler (protected). More... | |
#include <TGeoPolygon.h>
anonymous enum |
Enumerator | |
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kGeoConvex | |
kGeoFinishPolygon | |
kGeoACW |
Definition at line 34 of file TGeoPolygon.h.
TGeoPolygon::TGeoPolygon | ( | ) |
Referenced by FinishPolygon().
TGeoPolygon::TGeoPolygon | ( | Int_t | nvert | ) |
Default constructor.
Definition at line 72 of file TGeoPolygon.cxx.
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virtual |
Destructor.
Definition at line 93 of file TGeoPolygon.cxx.
Double_t TGeoPolygon::Area | ( | ) | const |
Computes area of the polygon in [length^2].
Definition at line 105 of file TGeoPolygon.cxx.
Referenced by TGeoXtru::Capacity().
Check if a point given by X = point[0], Y = point[1] is inside the polygon.
Definition at line 121 of file TGeoPolygon.cxx.
Referenced by Contains(), TGeoXtru::Contains(), TGeoXtru::DistFromInside(), TGeoXtru::DistFromOutside(), TGeoXtru::DistToPlane(), and TGeoXtru::SafetyToSector().
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private |
Check polygon convexity.
Definition at line 139 of file TGeoPolygon.cxx.
Referenced by FinishPolygon().
Draw the polygon.
Reimplemented from TObject.
Definition at line 160 of file TGeoPolygon.cxx.
Referenced by TGeoXtru::DrawPolygon().
void TGeoPolygon::FinishPolygon | ( | ) |
Decompose polygon in a convex outscribed part and a list of daughter polygons that have to be substracted to get the actual one.
Definition at line 170 of file TGeoPolygon.cxx.
Referenced by TGeoXtru::CreateThreadData(), and FinishPolygon().
Fill list of vertices of the convex outscribed polygon into provided arrays.
Definition at line 230 of file TGeoPolygon.cxx.
Referenced by TGeoPainter::DrawPolygon().
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Definition at line 65 of file TGeoPolygon.h.
Referenced by TGeoPainter::DrawPolygon().
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Definition at line 64 of file TGeoPolygon.h.
Referenced by TGeoPainter::DrawPolygon().
Fill list of vertices into provided arrays.
Definition at line 221 of file TGeoPolygon.cxx.
Referenced by TGeoPainter::DrawPolygon().
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Definition at line 66 of file TGeoPolygon.h.
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Definition at line 67 of file TGeoPolygon.h.
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Definition at line 70 of file TGeoPolygon.h.
Referenced by TGeoXtru::GetPlaneVertices(), IsRightSided(), and TGeoXtru::SetPoints().
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Definition at line 71 of file TGeoPolygon.h.
Referenced by TGeoXtru::DistFromInside(), TGeoXtru::DistFromOutside(), TGeoPainter::DrawPolygon(), and FinishPolygon().
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Definition at line 72 of file TGeoPolygon.h.
Bool_t TGeoPolygon::IsIllegalCheck | ( | ) | const |
Check for illegal crossings between non-consecutive segments.
Definition at line 269 of file TGeoPolygon.cxx.
Referenced by TGeoXtru::CreateThreadData().
Check if POINT is right-sided with respect to the segment defined by IND1 and IND2.
Definition at line 241 of file TGeoPolygon.cxx.
Referenced by Contains(), ConvexCheck(), and IsSegConvex().
Check if a segment [0..fNvert-1] belongs to the outscribed convex pgon.
Definition at line 253 of file TGeoPolygon.cxx.
Referenced by OutscribedConvex().
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private |
Compute indices for the outscribed convex polygon.
Definition at line 299 of file TGeoPolygon.cxx.
Referenced by FinishPolygon().
Compute minimum distance from POINT to any segment. Returns segment index.
Definition at line 348 of file TGeoPolygon.cxx.
Referenced by TGeoXtru::SafetyToSector().
Definition at line 75 of file TGeoPolygon.h.
Referenced by ConvexCheck(), and TGeoPolygon().
Sets the next polygone index.
If index<0 sets all indices consecutive in increasing order.
Definition at line 406 of file TGeoPolygon.cxx.
Referenced by FinishPolygon(), and TGeoPolygon().
Set X/Y array pointer for the polygon and daughters.
Definition at line 430 of file TGeoPolygon.cxx.
Referenced by TGeoXtru::CreateThreadData(), FinishPolygon(), and SetXY().
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pointer to list of current Y coordinates of vertices
Definition at line 47 of file TGeoPolygon.h.
Referenced by Contains(), FinishPolygon(), SetXY(), TGeoPolygon(), and ~TGeoPolygon().
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protected |
Definition at line 43 of file TGeoPolygon.h.
Referenced by Area(), ConvexCheck(), FinishPolygon(), IsSegConvex(), SetNextIndex(), SetXY(), TGeoPolygon(), and ~TGeoPolygon().
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Definition at line 44 of file TGeoPolygon.h.
Referenced by Contains(), FinishPolygon(), GetConvexVertices(), OutscribedConvex(), TGeoPolygon(), and ~TGeoPolygon().
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Definition at line 42 of file TGeoPolygon.h.
Referenced by Contains(), FinishPolygon(), GetConvexVertices(), GetNconvex(), OutscribedConvex(), SetNextIndex(), and TGeoPolygon().
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Definition at line 41 of file TGeoPolygon.h.
Referenced by Area(), ConvexCheck(), FinishPolygon(), GetNvert(), GetVertices(), IsIllegalCheck(), IsSegConvex(), OutscribedConvex(), Safety(), SetNextIndex(), SetXY(), and TGeoPolygon().
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protected |
Definition at line 45 of file TGeoPolygon.h.
Referenced by Area(), ConvexCheck(), FinishPolygon(), GetConvexVertices(), GetVertices(), GetX(), IsIllegalCheck(), IsRightSided(), IsSegConvex(), Safety(), SetNextIndex(), SetXY(), and TGeoPolygon().
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protected |
pointer to list of current X coordinates of vertices
Definition at line 46 of file TGeoPolygon.h.
Referenced by Area(), ConvexCheck(), FinishPolygon(), GetConvexVertices(), GetVertices(), GetY(), IsIllegalCheck(), IsRightSided(), IsSegConvex(), Safety(), SetNextIndex(), SetXY(), and TGeoPolygon().