TGLPerspectiveCamera Class Reference

Perspective projection camera - with characteristic foreshortening.

Definition at line 25 of file TGLPerspectiveCamera.h.

Public Types
enum	{ kSingleKey = (1ULL << (0)) , kOverwrite = (1ULL << (1)) , kWriteDelete = (1ULL << (2)) }
enum	{   kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 ,   kBitMask = 0x00ffffff }
enum	EDeprecatedStatusBits { kObjInCanvas = (1ULL << (3)) }
enum	EFrustumPlane {   kNear = 0 , kLeft = 1 , kRight = 2 , kTop = 3 ,   kBottom = 4 , kFar = 5 , kPlanesPerFrustum = 6 }
enum	EStatusBits {   kCanDelete = (1ULL << (0)) , kMustCleanup = (1ULL << (3)) , kIsReferenced = (1ULL << (4)) , kHasUUID = (1ULL << (5)) ,   kCannotPick = (1ULL << (6)) , kNoContextMenu = (1ULL << (8)) , kInvalidObject = (1ULL << (13)) }

Public Member Functions
	TGLPerspectiveCamera ()
	Construct default XOZ perspective camera.
	TGLPerspectiveCamera (const TGLVector3 &hAxis, const TGLVector3 &vAxis)
	Construct perspective camera.
	~TGLPerspectiveCamera () override
	Destroy perspective camera.
void	AbstractMethod (const char *method) const
	Call this function within a function that you don't want to define as purely virtual, in order not to force all users deriving from that class to implement that maybe (on their side) unused function; but at the same time, emit a run-time warning if they try to call it, telling that it is not implemented in the derived class: action must thus be taken on the user side to override it.
Bool_t	AdjustAndClampVal (Double_t &val, Double_t min, Double_t max, Int_t screenShift, Int_t screenShiftRange, Bool_t mod1, Bool_t mod2) const
	Adjust a passed REFERENCE value 'val', based on screenShift delta.
Double_t	AdjustDelta (Double_t screenShift, Double_t deltaFactor, Bool_t mod1, Bool_t mod2) const
	Adjust a passed screen value and apply modifiers.
virtual void	AppendPad (Option_t *option="")
	Append graphics object to current pad.
void	Apply (const TGLBoundingBox &box, const TGLRect *pickRect=nullptr) const override
	Apply the camera to the current GL context, setting the viewport, projection and modelview matrices.
virtual void	Browse (TBrowser *b)
	Browse object. May be overridden for another default action.
ULong_t	CheckedHash ()
	Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object.
virtual const char *	ClassName () const
	Returns name of class to which the object belongs.
virtual void	Clear (Option_t *="")
virtual TObject *	Clone (const char *newname="") const
	Make a clone of an object using the Streamer facility.
virtual Int_t	Compare (const TObject *obj) const
	Compare abstract method.
void	Configure (Double_t fov, Double_t dolly, Double_t center[3], Double_t hRotate, Double_t vRotate) override
	Configure the camera state.
virtual void	Copy (TObject &object) const
	Copy this to obj.
virtual void	Delete (Option_t *option="")
	Delete this object.
virtual Int_t	DistancetoPrimitive (Int_t px, Int_t py)
	Computes distance from point (px,py) to the object.
virtual Bool_t	Dolly (Int_t delta, Bool_t mod1, Bool_t mod2)
	Dolly the camera - 'move camera along eye line, retaining lens focal length'.
virtual void	Draw (Option_t *option="")
	Default Draw method for all objects.
virtual void	DrawClass () const
	Draw class inheritance tree of the class to which this object belongs.
virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current selected pad with: gROOT->SetSelectedPad(c1).
void	DrawDebugAids () const
	Draw out some debugging aids for the camera:
virtual void	Dump () const
	Dump contents of object on stdout.
virtual void	Error (const char *method, const char *msgfmt,...) const
	Issue error message.
virtual void	Execute (const char *method, const char *params, Int_t *error=nullptr)
	Execute method on this object with the given parameter string, e.g.
virtual void	Execute (TMethod *method, TObjArray *params, Int_t *error=nullptr)
	Execute method on this object with parameters stored in the TObjArray.
virtual void	ExecuteEvent (Int_t event, Int_t px, Int_t py)
	Execute action corresponding to an event at (px,py).
TGLVector3	EyeDirection () const
	Extract the camera eye direction (vector), running from EyePoint() Camera must have valid frustum cache - call Apply() after last modification, before using.
TGLVertex3	EyePoint () const
	Return the camera eye point (vertex) in world space Camera must have valid frustum cache - call Apply() after last modification, before using.
virtual void	Fatal (const char *method, const char *msgfmt,...) const
	Issue fatal error message.
virtual TObject *	FindObject (const char *name) const
	Must be redefined in derived classes.
virtual TObject *	FindObject (const TObject *obj) const
	Must be redefined in derived classes.
TGLVertex3	FrustumCenter () const
	Find the center of the camera frustum from intersection of planes This method will work even with parallel left/right & top/bottom and infinite eye point of ortho cameras Camera must have valid frustum cache - call Apply() after last modification, before using.
Rgl::EOverlap	FrustumOverlap (const TGLBoundingBox &box) const
	Calculate overlap (kInside, kOutside, kPartial) of box with camera frustum Camera must have valid frustum cache - call Apply() after last modification, before using.
const TGLPlane &	FrustumPlane (EFrustumPlane plane) const
const TGLMatrix &	GetCamBase () const
const TGLMatrix &	GetCamTrans () const
Double_t *	GetCenterVec ()
virtual Option_t *	GetDrawOption () const
	Get option used by the graphics system to draw this object.
Bool_t	GetExternalCenter ()
Double_t	GetFarClip () const
Double_t *	GetFixDefCenterVec ()
Double_t	GetFOV () const
virtual const char *	GetIconName () const
	Returns mime type name of object.
virtual const char *	GetName () const
	Returns name of object.
Double_t	GetNearClip () const
virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Returns string containing info about the object at position (px,py).
virtual Option_t *	GetOption () const
Double_t	GetTheta () const
	Get angle between camera up axis.
virtual const char *	GetTitle () const
	Returns title of object.
virtual UInt_t	GetUniqueID () const
	Return the unique object id.
Float_t	GetVAxisMinAngle ()
virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out.
virtual ULong_t	Hash () const
	Return hash value for this object.
Bool_t	HasInconsistentHash () const
	Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e.
void	IncTimeStamp ()
virtual void	Info (const char *method, const char *msgfmt,...) const
	Issue info message.
virtual Bool_t	InheritsFrom (const char *classname) const
	Returns kTRUE if object inherits from class "classname".
virtual Bool_t	InheritsFrom (const TClass *cl) const
	Returns kTRUE if object inherits from TClass cl.
virtual void	Inspect () const
	Dump contents of this object in a graphics canvas.
void	InvertBit (UInt_t f)
TClass *	IsA () const override
Bool_t	IsCacheDirty () const
Bool_t	IsDestructed () const
	IsDestructed.
virtual Bool_t	IsEqual (const TObject *obj) const
	Default equal comparison (objects are equal if they have the same address in memory).
virtual Bool_t	IsFolder () const
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects).
Bool_t	IsOnHeap () const
virtual Bool_t	IsOrthographic () const
Bool_t	IsPerspective () const override
virtual Bool_t	IsSortable () const
Bool_t	IsZombie () const
virtual void	ls (Option_t *option="") const
	The ls function lists the contents of a class on stdout.
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).
virtual Bool_t	Notify ()
	This method must be overridden to handle object notification (the base implementation is no-op).
void	Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
	Use this method to declare a method obsolete.
Bool_t	OfInterest (const TGLBoundingBox &box, Bool_t ignoreSize) const
	Calculate if the an object defined by world frame bounding box is 'of interest' to the camera.
void	operator delete (void *, size_t)
	Operator delete for sized deallocation.
void	operator delete (void *ptr)
	Operator delete.
void	operator delete (void *ptr, void *vp)
	Only called by placement new when throwing an exception.
void	operator delete[] (void *, size_t)
	Operator delete [] for sized deallocation.
void	operator delete[] (void *ptr)
	Operator delete [].
void	operator delete[] (void *ptr, void *vp)
	Only called by placement new[] when throwing an exception.
void *	operator new (size_t sz)
void *	operator new (size_t sz, void *vp)
void *	operator new[] (size_t sz)
void *	operator new[] (size_t sz, void *vp)
virtual void	Paint (Option_t *option="")
	This method must be overridden if a class wants to paint itself.
virtual void	Pop ()
	Pop on object drawn in a pad to the top of the display list.
virtual void	Print (Option_t *option="") const
	This method must be overridden when a class wants to print itself.
virtual Int_t	Read (const char *name)
	Read contents of object with specified name from the current directory.
virtual void	RecursiveRemove (TObject *obj)
	Recursively remove this object from a list.
TGLMatrix &	RefCamBase ()
TGLMatrix &	RefCamTrans ()
TGLMatrix &	RefLastNoPickProjM () const
const TGLMatrix &	RefModelViewMatrix () const
TGLRect &	RefViewport ()
const TGLRect &	RefViewport () const
void	Reset () override
	Reset the camera to defaults - reframe the world volume established in Setup() in default state.
void	ResetBit (UInt_t f)
void	ResetInterest ()
	Clear out the existing interest box.
virtual Bool_t	Rotate (Int_t xDelta, Int_t yDelta, Bool_t mod1, Bool_t mod2)
	Rotate the camera round view volume center established in Setup().
virtual Bool_t	RotateArcBall (Int_t xDelta, Int_t yDelta, Bool_t mod1, Bool_t mod2)
	Rotate the camera round view volume center established in Setup().
virtual Bool_t	RotateArcBallRad (Double_t hRotate, Double_t vRotate)
	Rotate camera around center.
virtual Bool_t	RotateRad (Double_t hRotate, Double_t vRotate)
	Rotate camera around center.
virtual void	SaveAs (const char *filename="", Option_t *option="") const
	Save this object in the file specified by filename.
virtual void	SavePrimitive (std::ostream &out, Option_t *option="")
	Save a primitive as a C++ statement(s) on output stream "out".
void	SetBit (UInt_t f)
void	SetBit (UInt_t f, Bool_t set)
	Set or unset the user status bits as specified in f.
void	SetCenterVec (Double_t x, Double_t y, Double_t z)
	Set camera center vector.
void	SetCenterVecWarp (Double_t x, Double_t y, Double_t z)
	Set camera center vector and do not keep the same combined camera transformation matrix.
virtual void	SetDrawOption (Option_t *option="")
	Set drawing option for object.
void	SetExternalCenter (Bool_t x)
	Set camera center diffrent than scene center, if enable is kTRUE.
void	SetFixDefCenter (Bool_t x)
void	SetFixDefCenterVec (Double_t x, Double_t y, Double_t z)
void	SetFOV (Double_t fov)
virtual void	SetUniqueID (UInt_t uid)
	Set the unique object id.
void	Setup (const TGLBoundingBox &box, Bool_t reset=kTRUE) override
	Setup camera limits suitable to view the world volume defined by 'box' and call Reset() to initialise camera.
void	SetVAxisMinAngle (Float_t x)
void	SetViewport (const TGLRect &viewport)
	Set viewport extents from passed 'viewport' rect.
void	Streamer (TBuffer &) override
	Stream an object of class TObject.
void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)
virtual void	SysError (const char *method, const char *msgfmt,...) const
	Issue system error message.
Bool_t	TestBit (UInt_t f) const
Int_t	TestBits (UInt_t f) const
UInt_t	TimeStamp () const
virtual Bool_t	Truck (Double_t xDelta, Double_t yDelta)
	Truck the camera - 'move camera parallel to film plane'.
Bool_t	Truck (Int_t xDelta, Int_t yDelta, Bool_t mod1, Bool_t mod2) override
	Truck the camera - 'move camera parallel to film plane'.
Bool_t	UpdateInterest (Bool_t force)
	Update the internal interest box (fInterestBox) of the camera.
virtual void	UseCurrentStyle ()
	Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked.
TGLVector3	ViewportDeltaToWorld (const TGLVertex3 &worldRef, Double_t viewportXDelta, Double_t viewportYDelta, TGLMatrix *modviewMat=nullptr) const
	Apply a 2D viewport delta (shift) to the projection of worldRef onto viewport, returning the resultant world vector which equates to it.
Rgl::EOverlap	ViewportOverlap (const TGLBoundingBox &box) const
	Calculate overlap (kInside, kOutside, kPartial) of box projection onto viewport (as rect) against the viewport rect.
std::pair< Bool_t, TGLVertex3 >	ViewportPlaneIntersection (const TPoint &viewport, const TGLPlane &worldPlane) const
	Find the intersection of projection of supplied viewport TPoint (a 3D world line - see ViewportToWorld) with supplied world plane.
std::pair< Bool_t, TGLVertex3 >	ViewportPlaneIntersection (Double_t viewportX, Double_t viewportY, const TGLPlane &worldPlane) const
	Find the intersection of projection of supplied viewport point (a 3D world line - see ViewportToWorld) with supplied world plane.
TGLRect	ViewportRect (const TGLBoundingBox &box, const TGLBoundingBox::EFace *face=nullptr) const
	Calculate viewport rectangle which just contains projection of world frame bounding box 'box' onto the viewport.
TGLRect	ViewportRect (const TGLBoundingBox &box, TGLBoundingBox::EFace face) const
	Calculate viewport rectangle which just contains projection of single 'face' of world frame bounding box 'box' onto the viewport.
TGLVertex3	ViewportToWorld (const TGLVertex3 &viewportVertex, TGLMatrix *modviewMat=nullptr) const
	Convert a '3D' viewport vertex to 3D world one.
TGLLine3	ViewportToWorld (const TPoint &viewport) const
	Convert a 2D viewport position to 3D world line - the projection of the viewport point into 3D space.
TGLLine3	ViewportToWorld (Double_t viewportX, Double_t viewportY) const
	Convert a 2D viewport position to 3D world line - the projection of the viewport point into 3D space.
virtual void	Warning (const char *method, const char *msgfmt,...) const
	Issue warning message.
void	WindowToViewport (Int_t &, Int_t &y) const
void	WindowToViewport (TGLRect &rect) const
void	WindowToViewport (TGLVertex3 &vertex) const
void	WindowToViewport (TPoint &point) const
TGLVector3	WorldDeltaToViewport (const TGLVertex3 &worldRef, const TGLVector3 &worldDelta) const
	Convert a 3D vector worldDelta (shift) about vertex worldRef to a viewport (screen) '3D' vector.
TGLVertex3	WorldToViewport (const TGLVertex3 &worldVertex, TGLMatrix *modviewMat=nullptr) const
	Convert a 3D world vertex to '3D' viewport (screen) one.
virtual Int_t	Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory.
virtual Int_t	Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) const
	Write this object to the current directory.
Bool_t	Zoom (Int_t delta, Bool_t mod1, Bool_t mod2) override
	Zoom the camera - 'adjust lens focal length, retaining camera position'.

Static Public Member Functions
static TClass *	Class ()
static const char *	Class_Name ()
static constexpr Version_t	Class_Version ()
static const char *	DeclFileName ()
static Longptr_t	GetDtorOnly ()
	Return destructor only flag.
static Bool_t	GetObjectStat ()
	Get status of object stat flag.
static void	SetDtorOnly (void *obj)
	Set destructor only flag.
static void	SetObjectStat (Bool_t stat)
	Turn on/off tracking of objects in the TObjectTable.

Protected Types
enum	{ kOnlyPrepStep = (1ULL << (3)) }

Protected Member Functions
virtual void	DoError (int level, const char *location, const char *fmt, va_list va) const
	Interface to ErrorHandler (protected).
void	MakeZombie ()
void	UpdateCache () const
	Update internally cached frustum values.

Static Protected Member Functions
static void	SavePrimitiveConstructor (std::ostream &out, TClass *cl, const char *variable_name, const char *constructor_agrs="", Bool_t empty_line=kTRUE)
	Save object constructor in the output stream "out".
static void	SavePrimitiveDraw (std::ostream &out, const char *variable_name, Option_t *option=nullptr)
	Save invocation of primitive Draw() method Skipped if option contains "nodraw" string.
static TString	SavePrimitiveVector (std::ostream &out, const char *prefix, Int_t len, Double_t *arr, Int_t flag=0)
	Save array in the output stream "out" as vector.

Protected Attributes
Bool_t	fCacheDirty
	! cached items dirty?
TGLMatrix	fCamBase
TGLMatrix	fCamTrans
TGLVector3 *	fCenter
	! current camera center
TGLMatrix	fClipM
	! object space clip matrix (cached)
TGLVector3	fDefCenter
Double_t	fDollyDefault
Double_t	fDollyDistance
TGLVector3	fExtCenter
Bool_t	fExternalCenter
Double_t	fFarClip
	! last applied far-clip
TGLVector3	fFDCenter
Bool_t	fFixDefCenter
TGLPlane	fFrustumPlanes [kPlanesPerFrustum]
	! frustum planes (cached)
TGLBoundingBox	fInterestBox
	! the interest box - created in UpdateInterest()
Double_t	fLargestSeen
	!
TGLMatrix	fLastNoPickProjM
	! no-pick projection matrix (cached)
TGLMatrix	fModVM
	! modelView matrix (cached)
Double_t	fNearClip
	! last applied near-clip
TGLMatrix	fProjM
	! projection matrix (cached)
UInt_t	fTimeStamp
	! timestamp
Float_t	fVAxisMinAngle
TGLRect	fViewport
	! viewport (GL coords - origin bottom left)
Bool_t	fWasArcBalled

Static Protected Attributes
static UInt_t	fgDollyDeltaSens = 500

Private Member Functions
TGLBoundingBox	Frustum (Bool_t asBox=kTRUE) const
	Return the current camera frustum.

Static Private Member Functions
static void	AddToTObjectTable (TObject *)
	Private helper function which will dispatch to TObjectTable::AddObj.

Private Attributes
UInt_t	fBits
	bit field status word
Double_t	fFOV
TGLBoundingBox	fInterestFrustum
	! frustum basis of current interest box - NOT a true BB! (DEBUG)
TGLBoundingBox	fInterestFrustumAsBox
	! frustum basis (as box) of current interest box (DEBUG)
TGLBoundingBox	fPreviousInterestBox
	! previous interest box (DEBUG)
UInt_t	fUniqueID
	object unique identifier

Static Private Attributes
static Longptr_t	fgDtorOnly = 0
	object for which to call dtor only (i.e. no delete)
static Double_t	fgFOVDefault = 30
static UInt_t	fgFOVDeltaSens = 500
static Double_t	fgFOVMax = 120.0
static Double_t	fgFOVMin = 0.01
static const Double_t	fgInterestBoxExpansion = 1.3
	! expansion c.f. aligned current frustum box
static Bool_t	fgObjectStat = kTRUE
	if true keep track of objects in TObjectTable

#include <TGLPerspectiveCamera.h>

Inheritance diagram for TGLPerspectiveCamera:

Member Enumeration Documentation

anonymous enum

anonymous enum

protectedinherited

Enumerator

kOnlyPrepStep

Used to request that the class specific implementation of TObject::Write just prepare the objects to be ready to be written but do not actually write them into the TBuffer. This is just for example by TBufferMerger to request that the TTree inside the file calls TTree::FlushBaskets (outside of the merging lock) and TBufferMerger will later ask for the write (inside the merging lock). To take advantage of this feature the class needs to overload TObject::Write and use this enum value accordingly. (See TTree::Write and TObject::Write) Do not use, this feature will be migrate to the Merge function (See TClass and TTree::Merge)

Definition at line 106 of file TObject.h.

anonymous enum

anonymous enum

inherited

Enumerator
kSingleKey	write collection with single key
kOverwrite	overwrite existing object with same name
kWriteDelete	write object, then delete previous key with same name

Definition at line 99 of file TObject.h.

anonymous enum

anonymous enum

inherited

Enumerator
kIsOnHeap	object is on heap
kNotDeleted	object has not been deleted
kZombie	object ctor failed
kInconsistent	class overload Hash but does call RecursiveRemove in destructor
kBitMask

Definition at line 89 of file TObject.h.

EDeprecatedStatusBits

enum TObject::EDeprecatedStatusBits

inherited

Enumerator
kObjInCanvas	for backward compatibility only, use kMustCleanup

Definition at line 84 of file TObject.h.

EFrustumPlane

enum TGLCamera::EFrustumPlane

inherited

Enumerator
kNear
kLeft
kRight
kTop
kBottom
kFar
kPlanesPerFrustum

Definition at line 46 of file TGLCamera.h.

EStatusBits

enum TObject::EStatusBits

inherited

Enumerator
kCanDelete	if object in a list can be deleted
kMustCleanup	if object destructor must call RecursiveRemove()
kIsReferenced	if object is referenced by a TRef or TRefArray
kHasUUID	if object has a TUUID (its fUniqueID=UUIDNumber)
kCannotPick	if object in a pad cannot be picked
kNoContextMenu	if object does not want context menu
kInvalidObject	if object ctor succeeded but object should not be used

Definition at line 70 of file TObject.h.

Constructor & Destructor Documentation

TGLPerspectiveCamera() [1/2]

TGLPerspectiveCamera::TGLPerspectiveCamera

(

)

Construct default XOZ perspective camera.

Definition at line 33 of file TGLPerspectiveCamera.cxx.

TGLPerspectiveCamera() [2/2]

TGLPerspectiveCamera::TGLPerspectiveCamera	(	const TGLVector3 &	hAxis,
		const TGLVector3 &	vAxis )

Construct perspective camera.

Definition at line 44 of file TGLPerspectiveCamera.cxx.

~TGLPerspectiveCamera()

TGLPerspectiveCamera::~TGLPerspectiveCamera ( )

override

Destroy perspective camera.

Definition at line 55 of file TGLPerspectiveCamera.cxx.

Member Function Documentation

AbstractMethod()

void TObject::AbstractMethod ( const char * method ) const

inherited

Call this function within a function that you don't want to define as purely virtual, in order not to force all users deriving from that class to implement that maybe (on their side) unused function; but at the same time, emit a run-time warning if they try to call it, telling that it is not implemented in the derived class: action must thus be taken on the user side to override it.

In other word, this method acts as a "runtime purely virtual" warning instead of a "compiler purely virtual" error.

Warning

This interface is a legacy function that is no longer recommended to be used by new development code.

Note

The name "AbstractMethod" does not imply that it's an abstract method in the strict C++ sense.

Definition at line 1149 of file TObject.cxx.

AddToTObjectTable()

void TObject::AddToTObjectTable ( TObject * op )

staticprivateinherited

Private helper function which will dispatch to TObjectTable::AddObj.

Included here to avoid circular dependency between header files.

Definition at line 195 of file TObject.cxx.

AdjustAndClampVal()

Bool_t TGLCamera::AdjustAndClampVal ( Double_t & val, Double_t min, Double_t max, Int_t screenShift, Int_t screenShiftRange, Bool_t mod1, Bool_t mod2 ) const

inherited

Adjust a passed REFERENCE value 'val', based on screenShift delta.

Two modifier flags ('mod1' / 'mod2' ) for sensitivity:

• mod1 = kFALSE, mod2 = kFALSE : normal sensitivity (screenShift/screenShiftRange)
• mod1 = kTRUE, mod2 = kFALSE : 0.1x sensitivity
• mod1 = kTRUE, mod2 = kTRUE : 0.01x sensitivity
• mod1 = kFALSE, mod2 = kTRUE : 10.0x sensitivity

'val' is modified and clamped to 'min' / 'max' range. Return bool kTRUE if val actually changed.

Used as common interaction function for adjusting zoom/dolly etc

Definition at line 721 of file TGLCamera.cxx.

AdjustDelta()

Double_t TGLCamera::AdjustDelta ( Double_t screenShift, Double_t deltaFactor, Bool_t mod1, Bool_t mod2 ) const

inherited

Adjust a passed screen value and apply modifiers.

See AdjustAndClampVal() for details.

Definition at line 761 of file TGLCamera.cxx.

AppendPad()

void TObject::AppendPad ( Option_t * option = "" )

virtualinherited

Append graphics object to current pad.

In case no current pad is set yet, create a default canvas with the name "c1".

Definition at line 204 of file TObject.cxx.

Apply()

void TGLPerspectiveCamera::Apply ( const TGLBoundingBox & sceneBox, const TGLRect * pickRect = nullptr ) const

overridevirtual

Apply the camera to the current GL context, setting the viewport, projection and modelview matrices.

After this vertices etc can be directly entered in the world frame. This also updates the cached frustum values, enabling all the projection, overlap tests etc defined in TGLCamera to be used.

Arguments are:

• 'box' - view volume box - used to adjust near/far clipping
• 'pickRect' - optional picking rect. If non-null, restrict drawing to this viewport rect.

Implements TGLCamera.

Definition at line 157 of file TGLPerspectiveCamera.cxx.

Browse()

void TObject::Browse ( TBrowser * b )

virtualinherited

Browse object. May be overridden for another default action.

Reimplemented in RooPlot, ROOT::Experimental::XRooFit::xRooNode, ROOT::Internal::THnBaseBrowsable, TApplicationRemote, TASImage, TAxis3D, TBaseClass, TBranch, TBranchClones, TBranchElement, TBranchObject, TBranchSTL, TBrowserObject, TCanvas, TChain, TClass, TCollection, TCollectionPropertyBrowsable, TDatabasePDG, TDirectory, TDirectoryFile, TEfficiency, TF1, TFolder, TGenerator, TGeoManager, TGeometry, TGeoNode, TGeoOverlap, TGeoTrack, TGeoVolume, TGraph2D, TGraph, TH1, THbookBranch, THbookFile, THbookKey, THnBase, THStack, TKey, TKeyMapFile, TLeaf, TMacro, TMapFile, TMultiDimFit, TMultiGraph, TNode, TNtuple, TNtupleD, TPad, TPair, TParticleClassPDG, TPrincipal, TRecorder, TRemoteObject, TROOT, TRootIconList, TSPlot, TStyle, TSystemDirectory, TSystemFile, TTask, TTree, TTreePerfStats, and TVirtualBranchBrowsable.

Definition at line 218 of file TObject.cxx.

CheckedHash()

ULong_t TObject::CheckedHash ( )

inlineinherited

Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object.

The intent is for this routine to be called instead of directly calling the function Hash during "insert" operations. See TObject::HasInconsistenTObjectHash();

(*) The setup is consistent when all classes in the class hierarchy that overload TObject::Hash do call ROOT::CallRecursiveRemoveIfNeeded in their destructor. i.e. it is safe to call the Hash virtual function during the RecursiveRemove operation.

Definition at line 332 of file TObject.h.

Class()

TClass * TGLPerspectiveCamera::Class ( )

static

Returns

TClass describing this class

Class_Name()

const char * TGLPerspectiveCamera::Class_Name ( )

static

Returns

Name of this class

Class_Version()

constexpr Version_t TGLPerspectiveCamera::Class_Version ( )

inlinestaticconstexpr

Returns

Version of this class

Definition at line 55 of file TGLPerspectiveCamera.h.

ClassName()

const char * TObject::ClassName ( ) const

virtualinherited

Returns name of class to which the object belongs.

Definition at line 227 of file TObject.cxx.

Clear()

virtual void TObject::Clear ( Option_t * = "" )

inlinevirtualinherited

Reimplemented in JetEvent, RooLinkedList, ROOT::TSchemaRule, ROOT::v5::TFormula, TBackCompFitter, TBits, TBranchRef, TBtree, TCanvas, TClonesArray, TCollection, TDictAttributeMap, TDirectory, TEventList, TFitter, TFolder, TFormula, TFumili, TGeoCombiTrans, TGeoGenTrans, TGeoHMatrix, TGeoRotation, TGHtml, TGraph2D, TGTextEdit, TGTextEntry, TGTextView, TGView, THashList, THashTable, TLegend, TLinearFitter, TList, TListOfDataMembers, TListOfEnums, TListOfEnumsWithLock, TListOfFunctions, TListOfFunctionTemplates, TMap, TMatrixT< Element >, TMatrixT< AReal >, TMatrixT< Double_t >, TMatrixT< Float_t >, TMatrixTBase< Element >, TMatrixTBase< Double_t >, TMatrixTBase< Float_t >, TMatrixTSparse< Element >, TMatrixTSparse< Double_t >, TMatrixTSparse< Float_t >, TMatrixTSym< Element >, TMatrixTSym< Double_t >, TMatrixTSym< Float_t >, TMrbSubevent_Caen, TMultiDimFit, TMVA::MinuitWrapper, TMVA::ResultsClassification, TMVA::ResultsMulticlass, TMVA::ResultsRegression, TNamed, TNotifyLinkBase, TObjArray, TOrdCollection, TPad, TPaveText, TPrincipal, TProcessID, TRefArray, TRefTable, TStreamerInfo, TTask, TUsrHitBuffer, TVectorT< Element >, TVectorT< Double_t >, TVectorT< Float_t >, TViewPubDataMembers, TViewPubFunctions, TVirtualFitter, TVirtualPad, and TVirtualStreamerInfo.

Definition at line 127 of file TObject.h.

Clone()

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

virtualinherited

Make a clone of an object using the Streamer facility.

If the object derives from TNamed, this function is called by TNamed::Clone. TNamed::Clone uses the optional argument to set a new name to the newly created object.

If the object class has a DirectoryAutoAdd function, it will be called at the end of the function with the parameter gDirectory. This usually means that the object will be appended to the current ROOT directory.

Reimplemented in RooAbsArg, RooAbsBinning, RooAbsCollection, RooAbsStudy, RooCatType, RooCmdArg, RooDataHist, RooDataSet, RooFitResult, RooLinkedList, RooStats::HypoTestResult, RooStats::ModelConfig, RooStudyPackage, RooTemplateProxy< T >, RooTemplateProxy< const RooHistFunc >, RooTemplateProxy< RooAbsCategory >, RooTemplateProxy< RooAbsPdf >, RooTemplateProxy< RooAbsReal >, RooTemplateProxy< RooAbsRealLValue >, RooTemplateProxy< RooMultiCategory >, RooTemplateProxy< RooRealVar >, RooWorkspace, TASImage, TChainIndex, TClass, TCollection, TF1, TFunction, TFunctionTemplate, TH1, TImage, TMethod, TMethodCall, TMinuit, TMVA::MinuitWrapper, TNamed, TStreamerInfo, and TTreeIndex.

Definition at line 243 of file TObject.cxx.

Compare()

Int_t TObject::Compare ( const TObject * obj ) const

virtualinherited

Compare abstract method.

Must be overridden if a class wants to be able to compare itself with other objects. Must return -1 if this is smaller than obj, 0 if objects are equal and 1 if this is larger than obj.

Reimplemented in RooAbsArg, RooDouble, TCollection, TEnvRec, TFileInfo, TGeoBranchArray, TGeoOverlap, TGFSFrameElement, TGLBFrameElement, TNamed, TObjString, TParameter< AParamType >, TParameter< Long64_t >, TStructNode, TStructNodeProperty, and TUrl.

Definition at line 258 of file TObject.cxx.

Configure()

void TGLPerspectiveCamera::Configure ( Double_t fov, Double_t dolly, Double_t center[3], Double_t hRotate, Double_t vRotate )

overridevirtual

Configure the camera state.

• fov - set directly field-of-view in degrees (default = 30);
• dolly - additional move along the camera forward direction;
• center - new camera center (can be 0 for no change);
• hRotate - additional "up/down" rotation in radians;
• vRotate - additional "left/right" rotation in radians.

Implements TGLCamera.

Definition at line 271 of file TGLPerspectiveCamera.cxx.

Copy()

void TObject::Copy ( TObject & object ) const

virtualinherited

Copy this to obj.

Reimplemented in ROOT::v5::TFormula, TArc, TArrow, TAxis3D, TAxis, TBox, TColor, TCrown, TDirectory, TDirectoryFile, TEllipse, TF12, TF1, TF1AbsComposition, TF1Convolution, TF1NormSum, TF2, TF3, TFile, TFolder, TFormula, TFrame, TGTextEdit, TGTextView, TH1, TH1C, TH1D, TH1F, TH1I, TH1L, TH1S, TH2, TH2C, TH2D, TH2F, TH2I, TH2L, TH2Poly, TH2S, TH3, TH3C, TH3D, TH3F, TH3I, TH3L, TH3S, THelix, TLatex, TLegend, TLegendEntry, TLine, TMarker, TMathText, TNamed, TPaletteAxis, TPave, TPaveClass, TPaveLabel, TPieSlice, TPolyLine3D, TPolyLine, TPolyMarker3D, TPolyMarker, TProfile2D, TProfile3D, TProfile, TStyle, TSystemDirectory, TSystemFile, TText, TWbox, and TXTRU.

Definition at line 159 of file TObject.cxx.

DeclFileName()

const char * TGLPerspectiveCamera::DeclFileName ( )

inlinestatic

Returns

Name of the file containing the class declaration

Definition at line 55 of file TGLPerspectiveCamera.h.

Delete()

void TObject::Delete ( Option_t * option = "" )

virtualinherited

Delete this object.

Typically called as a command via the interpreter. Normally use "delete" operator when object has been allocated on the heap.

Reimplemented in RooLinkedList, TAxis, TBtree, TCanvas, TClonesArray, TCollection, TDirectory, TDirectoryFile, TExMap, TFile, TGFrame, TGItemContext, TGTextEdit, THashList, THashTable, TKey, TKeySQL, TKeyXML, TList, TListOfDataMembers, TListOfEnums, TListOfEnumsWithLock, TListOfFunctions, TListOfFunctionTemplates, TMap, TMVA::Results, TObjArray, TObjectTable, TOrdCollection, TProtoClass, TQCommand, TRefArray, TSystemDirectory, TSystemFile, TThread, TTree, TTreeViewer, TViewPubDataMembers, and TViewPubFunctions.

Definition at line 268 of file TObject.cxx.

DistancetoPrimitive()

Int_t TObject::DistancetoPrimitive ( Int_t px, Int_t py )

virtualinherited

Computes distance from point (px,py) to the object.

This member function must be implemented for each graphics primitive. This default function returns a big number (999999).

Reimplemented in TASImage, TAxis3D, TAxis, TBox, TBRIK, TColorWheel, TCrown, TCurlyArc, TCurlyLine, TDiamond, TEfficiency, TEllipse, TF1, TF2, TF3, TFileDrawMap, TGenerator, TGeoBBox, TGeoCompositeShape, TGeoCone, TGeoConeSeg, TGeoEltu, TGeoHalfSpace, TGeoHype, TGeoNode, TGeoOverlap, TGeoParaboloid, TGeoPcon, TGeoPgon, TGeoScaledShape, TGeoShape, TGeoShapeAssembly, TGeoSphere, TGeoTessellated, TGeoTorus, TGeoTrack, TGeoTube, TGeoTubeSeg, TGeoVGShape, TGeoVolume, TGeoXtru, TGL5DDataSet, TGLHistPainter, TGLParametricEquation, TGLScenePad, TGLTH3Composition, TGLViewer, TGraph2D, TGraph, TGraphEdge, TGraphNode, TGraphPolargram, TH1, THistPainter, THStack, TLine, TMarker3DBox, TMarker, TMultiGraph, TNode, TPad, TPaletteAxis, TParallelCoord, TParallelCoordRange, TParallelCoordVar, TParticle, TPave, TPCON, TPie, TPieSlice, TPoints3DABC, TPolyLine3D, TPolyLine, TPolyMarker3D, TPolyMarker, TPrimary, TScatter2D, TScatter, TSPHE, TSpider, TSpline, TStyle, TText, TTreePerfStats, TTUBE, TTUBS, TVirtualHistPainter, and TXTRU.

Definition at line 284 of file TObject.cxx.

DoError()

void TObject::DoError ( int level, const char * location, const char * fmt, va_list va ) const

protectedvirtualinherited

Interface to ErrorHandler (protected).

Reimplemented in TThread, and TTreeViewer.

Definition at line 1059 of file TObject.cxx.

Dolly()

Bool_t TGLCamera::Dolly ( Int_t delta, Bool_t mod1, Bool_t mod2 )

virtualinherited

Dolly the camera - 'move camera along eye line, retaining lens focal length'.

Arguments are:

• 'delta' - mouse viewport delta (pixels) - +ive dolly in, -ive dolly out
• 'mod1' / 'mod2' - sensitivity modifiers - see TGLCamera::AdjustAndClampVal()

Returns kTRUE is redraw required (camera change), kFALSE otherwise.

Reimplemented in TGLOrthoCamera.

Definition at line 1045 of file TGLCamera.cxx.

Draw()

void TObject::Draw ( Option_t * option = "" )

virtualinherited

Default Draw method for all objects.

Reimplemented in RooAbsData, RooPlot, RooStats::HypoTestInverterPlot, RooStats::SamplingDistPlot, ROOT::Experimental::XRooFit::xRooNLLVar::xRooHypoPoint, ROOT::Experimental::XRooFit::xRooNLLVar::xRooHypoSpace, ROOT::Experimental::XRooFit::xRooNode, ROOT::RGeoPainter, TArrow, TASImage, TBox, TBrowser, TButton, TCanvas, TChain, TClass, TClassTree, TCollection, TColorWheel, TDiamond, TDirectory, TEfficiency, TEllipse, TEveGeoNode, TEveGeoTopNode, TF1, TF2, TF3, TFile, TFITSHDU, TFrame, TGenerator, TGeoBatemanSol, TGeometry, TGeoNode, TGeoOverlap, TGeoPainter, TGeoParallelWorld, TGeoPhysicalNode, TGeoPolygon, TGeoShape, TGeoTrack, TGeoVGShape, TGeoVolume, TGItemContext, TGListTree, TGPicture, TGraph2D, TGraph, TGraphPolar, TGraphPolargram, TGraphStruct, TGraphTime, TH1, THelix, THStack, TLegend, TMarker, TMatrixTBase< Element >, TMatrixTBase< Double_t >, TMatrixTBase< Float_t >, TMultiDimFit, TMultiGraph, TMultiLayerPerceptron, TNode, TNodeDiv, TPad, TParallelCoord, TParallelCoordRange, TParallelCoordVar, TPave, TPaveLabel, TPavesText, TPaveText, TPie, TPolyLine3D, TPolyLine, TPolyMarker3D, TPolyMarker, TRatioPlot, TSpider, TSpline, TStructViewer, TStructViewerGUI, TTree, TTreePerfStats, TVectorT< Element >, TVectorT< Double_t >, TVectorT< Float_t >, TVirtualPad, and TWbox.

Definition at line 293 of file TObject.cxx.

DrawClass()

void TObject::DrawClass ( ) const

virtualinherited

Draw class inheritance tree of the class to which this object belongs.

If a class B inherits from a class A, description of B is drawn on the right side of description of A. Member functions overridden by B are shown in class A with a blue line crossing-out the corresponding member function. The following picture is the class inheritance tree of class TPaveLabel:

Reimplemented in TGFrame, TSystemDirectory, and TSystemFile.

Definition at line 308 of file TObject.cxx.

DrawClone()

TObject * TObject::DrawClone ( Option_t * option = "" ) const

virtualinherited

Draw a clone of this object in the current selected pad with: gROOT->SetSelectedPad(c1).

If pad was not selected - gPad will be used.

Note

For histograms, use the more specialised TH1::DrawCopy().

Reimplemented in TAxis, TCanvas, TGFrame, TSystemDirectory, and TSystemFile.

Definition at line 319 of file TObject.cxx.

DrawDebugAids()

void TGLCamera::DrawDebugAids ( ) const

inherited

Draw out some debugging aids for the camera:

1. The frustum used to create the current interest box (RED)
2. The same frustum as a squared off box (ORANGE)
3. The axis aligned version of the frustum used as interest box basis (YELLOW)
4. The current interest box (BLUE)

Definition at line 792 of file TGLCamera.cxx.

Dump()

void TObject::Dump ( ) const

virtualinherited

Dump contents of object on stdout.

Using the information in the object dictionary (class TClass) each data member is interpreted. If a data member is a pointer, the pointer value is printed

The following output is the Dump of a TArrow object:

fAngle                   0           Arrow opening angle (degrees)
fArrowSize               0.2         Arrow Size
fOption.*fData
fX1                      0.1         X of 1st point
fY1                      0.15        Y of 1st point
fX2                      0.67        X of 2nd point
fY2                      0.83        Y of 2nd point
fUniqueID                0           object unique identifier
fBits                    50331648    bit field status word
fLineColor               1           line color
fLineStyle               1           line style
fLineWidth               1           line width
fFillColor               19          fill area color
fFillStyle               1001        fill area style

Reimplemented in TClass, TCollection, TGFrame, TGPack, and TSystemFile.

Definition at line 367 of file TObject.cxx.

Error()

void TObject::Error ( const char * location, const char * fmt, ... ) const

virtualinherited

Issue error message.

Use "location" to specify the method where the error occurred. Accepts standard printf formatting arguments.

Reimplemented in TFitResult.

Definition at line 1098 of file TObject.cxx.

Execute() [1/2]

void TObject::Execute ( const char * method, const char * params, Int_t * error = nullptr )

virtualinherited

Execute method on this object with the given parameter string, e.g.

"3.14,1,\"text\"".

Reimplemented in ROOT::R::TRInterface, TCling, TContextMenu, TInterpreter, and TMethodCall.

Definition at line 378 of file TObject.cxx.

Execute() [2/2]

void TObject::Execute ( TMethod * method, TObjArray * params, Int_t * error = nullptr )

virtualinherited

Execute method on this object with parameters stored in the TObjArray.

The TObjArray should contain an argv vector like:

argv[0] ... argv[n] = the list of TObjString parameters

Reimplemented in ROOT::R::TRInterface, TCling, TContextMenu, TInterpreter, and TMethodCall.

Definition at line 398 of file TObject.cxx.

ExecuteEvent()

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

virtualinherited

Execute action corresponding to an event at (px,py).

This method must be overridden if an object can react to graphics events.

Reimplemented in TASImage, TASPaletteEditor::LimitLine, TAxis3D, TAxis, TBox, TButton, TCanvas, TCrown, TCurlyArc, TCurlyLine, TDiamond, TEfficiency, TEllipse, TF1, TF2, TF3, TFrame, TGenerator, TGeoManager, TGeoNode, TGeoOverlap, TGeoShape, TGeoTrack, TGeoVolume, TGL5DDataSet, TGLEventHandler, TGLHistPainter, TGLParametricEquation, TGLScenePad, TGLTH3Composition, TGLViewer, TGraph2D, TGraph, TGraphEdge, TGraphNode, TGraphPolargram, TGroupButton, TH1, THistPainter, TLine, TLink, TMarker3DBox, TMarker, TNode, TPad, TPaletteAxis, TParallelCoord, TParallelCoordRange, TParallelCoordVar, TParticle, TPave, TPie, TPolyLine3D, TPolyLine, TPolyMarker3D, TPolyMarker, TPrimary, TScatter2D, TScatter, TSliderBox, TSpider, TSpline, TText, TTreePerfStats, TView3D, TView, TVirtualHistPainter, and TWbox.

Definition at line 415 of file TObject.cxx.

EyeDirection()

TGLVector3 TGLCamera::EyeDirection ( ) const

inherited

Extract the camera eye direction (vector), running from EyePoint() Camera must have valid frustum cache - call Apply() after last modification, before using.

Definition at line 235 of file TGLCamera.cxx.

EyePoint()

TGLVertex3 TGLCamera::EyePoint ( ) const

inherited

Return the camera eye point (vertex) in world space Camera must have valid frustum cache - call Apply() after last modification, before using.

Definition at line 218 of file TGLCamera.cxx.

Fatal()

void TObject::Fatal ( const char * location, const char * fmt, ... ) const

virtualinherited

Issue fatal error message.

Use "location" to specify the method where the fatal error occurred. Accepts standard printf formatting arguments.

Definition at line 1126 of file TObject.cxx.

FindObject() [1/2]

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

virtualinherited

Must be redefined in derived classes.

This function is typically used with TCollections, but can also be used to find an object by name inside this object.

Reimplemented in RooAbsCollection, RooLinkedList, TBtree, TCollection, TDirectory, TFolder, TGeometry, TGraph2D, TGraph, TH1, THashList, THashTable, THbookFile, TList, TListOfDataMembers, TListOfEnums, TListOfEnumsWithLock, TListOfFunctions, TListOfFunctionTemplates, TListOfTypes, TMap, TObjArray, TPad, TROOT, TViewPubDataMembers, and TViewPubFunctions.

Definition at line 425 of file TObject.cxx.

FindObject() [2/2]

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

virtualinherited

Must be redefined in derived classes.

This function is typically used with TCollections, but can also be used to find an object inside this object.

Reimplemented in RooAbsCollection, RooLinkedList, TBtree, TCollection, TDirectory, TFolder, TGeometry, TGraph2D, TGraph, TH1, THashList, THashTable, THbookFile, TList, TListOfDataMembers, TListOfEnums, TListOfEnumsWithLock, TListOfFunctions, TListOfFunctionTemplates, TListOfTypes, TMap, TObjArray, TPad, TROOT, TViewPubDataMembers, and TViewPubFunctions.

Definition at line 435 of file TObject.cxx.

Frustum()

TGLBoundingBox TGLCamera::Frustum ( Bool_t asBox = kTRUE ) const

privateinherited

Return the current camera frustum.

If asBox == kFALSE return a true frustum (truncated square based pyramid). If asBox == kTRUE return a true box, using the far clipping plane intersection projected back to the near plane.

Camera must have valid frustum cache - call Apply() after last modification, before using

Note: TGLBoundingBox is not really valid when filled with truncated pyramid

• this is used as a visual debug aid only so ok.

Definition at line 170 of file TGLCamera.cxx.

FrustumCenter()

TGLVertex3 TGLCamera::FrustumCenter ( ) const

inherited

Find the center of the camera frustum from intersection of planes This method will work even with parallel left/right & top/bottom and infinite eye point of ortho cameras Camera must have valid frustum cache - call Apply() after last modification, before using.

Definition at line 250 of file TGLCamera.cxx.

FrustumOverlap()

Rgl::EOverlap TGLCamera::FrustumOverlap ( const TGLBoundingBox & box ) const

inherited

Calculate overlap (kInside, kOutside, kPartial) of box with camera frustum Camera must have valid frustum cache - call Apply() after last modification, before using.

Definition at line 274 of file TGLCamera.cxx.

FrustumPlane()

const TGLPlane & TGLCamera::FrustumPlane ( EFrustumPlane plane ) const

inlineinherited

Definition at line 219 of file TGLCamera.h.

GetCamBase()

const TGLMatrix & TGLCamera::GetCamBase ( ) const

inlineinherited

Definition at line 166 of file TGLCamera.h.

GetCamTrans()

const TGLMatrix & TGLCamera::GetCamTrans ( ) const

inlineinherited

Definition at line 167 of file TGLCamera.h.

GetCenterVec()

Double_t * TGLCamera::GetCenterVec ( )

inlineinherited

Definition at line 157 of file TGLCamera.h.

GetDrawOption()

Option_t * TObject::GetDrawOption ( ) const

virtualinherited

Get option used by the graphics system to draw this object.

Note that before calling object.GetDrawOption(), you must have called object.Draw(..) before in the current pad.

Reimplemented in TBrowser, TFitEditor, TGedFrame, TGFileBrowser, TRootBrowser, and TRootBrowserLite.

Definition at line 445 of file TObject.cxx.

GetDtorOnly()

Longptr_t TObject::GetDtorOnly ( )

staticinherited

Return destructor only flag.

Definition at line 1196 of file TObject.cxx.

GetExternalCenter()

Bool_t TGLCamera::GetExternalCenter ( )

inlineinherited

Definition at line 153 of file TGLCamera.h.

GetFarClip()

Double_t TGLCamera::GetFarClip ( ) const

inlineinherited

Definition at line 164 of file TGLCamera.h.

GetFixDefCenterVec()

Double_t * TGLCamera::GetFixDefCenterVec ( )

inlineinherited

Definition at line 161 of file TGLCamera.h.

GetFOV()

Double_t TGLPerspectiveCamera::GetFOV ( ) const

inline

Definition at line 41 of file TGLPerspectiveCamera.h.

GetIconName()

const char * TObject::GetIconName ( ) const

virtualinherited

Returns mime type name of object.

Used by the TBrowser (via TGMimeTypes class). Override for class of which you would like to have different icons for objects of the same class.

Reimplemented in ROOT::Experimental::XRooFit::xRooNode, TASImage, TBranch, TBranchElement, TGeoVolume, TGMainFrame, TKey, TMethodBrowsable, TSystemFile, and TVirtualBranchBrowsable.

Definition at line 472 of file TObject.cxx.

GetName()

const char * TObject::GetName ( ) const

virtualinherited

Returns name of object.

This default method returns the class name. Classes that give objects a name should override this method.

Reimplemented in RooAbsCollection, RooCatType, RooLinkedList, TArchiveMember, TCollection, TEnvRec, TEveGeoNode, TGaxis, TGeoDecayChannel, TGeoShape, TGeoVGShape, TGLEmbeddedViewer, TGLPShapeObj, TGLSAViewer, TGMenuEntry, TGMenuTitle, TGPicture, TGWindow, TIconBoxThumb, TMapFile, TMVA::DataSetInfo, TMVA::FitterBase, TMVA::MethodBase, TMVA::OptionBase, TMVA::PDF, TMVA::Reader, TMVA::VariableTransformBase, TNamed, TObjString, TPad, TPair, TParameter< AParamType >, TParameter< Long64_t >, TParticle, TPave, TPolyMarker3D, TPrimary, TQCommand, TQConnection, TQSlot, TRealData, TSQLClassColumnInfo, TSQLClassInfo, TSQLColumnData, TStatistic, TStructNode, TTreePerfStats, TTVRecord, TTVSession, TVirtualGeoTrack, TVirtualPad, and TXMLAttr.

Definition at line 462 of file TObject.cxx.

GetNearClip()

Double_t TGLCamera::GetNearClip ( ) const

inlineinherited

Definition at line 163 of file TGLCamera.h.

GetObjectInfo()

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

virtualinherited

Returns string containing info about the object at position (px,py).

This method is typically overridden by classes of which the objects can report peculiarities for different positions. Returned string will be re-used (lock in MT environment).

Reimplemented in TASImage, TAxis3D, TColorWheel, TF1, TF2, TFileDrawMap, TGeoNode, TGeoTrack, TGeoVolume, TGL5DDataSet, TGLHistPainter, TGLParametricEquation, TGLTH3Composition, TGraph, TH1, THistPainter, TNode, TPaletteAxis, TParallelCoordVar, and TVirtualHistPainter.

Definition at line 491 of file TObject.cxx.

GetObjectStat()

Bool_t TObject::GetObjectStat ( )

staticinherited

Get status of object stat flag.

Definition at line 1181 of file TObject.cxx.

GetOption()

virtual Option_t * TObject::GetOption ( ) const

inlinevirtualinherited

Reimplemented in TArrow, TAxis3D, TFile, TGaxis, TGeoVolume, TH1, THelix, TLegendEntry, TMapFile, TNode, TPave, TPoints3DABC, TPolyLine3D, TPolyLine, TPolyMarker3D, TPolyMarker, TPSocket, TSelector, TSocket, and TUDPSocket.

Definition at line 147 of file TObject.h.

GetTheta()

Double_t TGLCamera::GetTheta ( ) const

inherited

Get angle between camera up axis.

Definition at line 881 of file TGLCamera.cxx.

GetTitle()

const char * TObject::GetTitle ( ) const

virtualinherited

Returns title of object.

This default method returns the class title (i.e. description). Classes that give objects a title should override this method.

Reimplemented in Axis2, TASImage, TAxis, TBaseClass, TClassMenuItem, TEveGeoNode, TEvePointSet, TGaxis, TGGroupFrame, TGLabel, TGLVEntry, TGTextButton, TGTextEntry, TGTextLBEntry, TKey, TMapFile, TNamed, TPad, TPair, TParallelCoordSelect, TParticle, TPaveLabel, TPrimary, TQCommand, TRootIconList, and TVirtualPad.

Definition at line 507 of file TObject.cxx.

GetUniqueID()

UInt_t TObject::GetUniqueID ( ) const

virtualinherited

Return the unique object id.

Definition at line 480 of file TObject.cxx.

GetVAxisMinAngle()

Float_t TGLCamera::GetVAxisMinAngle ( )

inlineinherited

Definition at line 203 of file TGLCamera.h.

HandleTimer()

Bool_t TObject::HandleTimer ( TTimer * timer )

virtualinherited

Execute action in response of a timer timing out.

This method must be overridden if an object has to react to timers.

Reimplemented in TGCommandPlugin, TGDNDManager, TGFileContainer, TGHtml, TGLEventHandler, TGPopupMenu, TGraphTime, TGScrollBar, TGShutter, TGTextEdit, TGTextEditor, TGTextEntry, TGTextView, TGToolTip, TGuiBldDragManager, TGWindow, and TTreeViewer.

Definition at line 516 of file TObject.cxx.

Hash()

ULong_t TObject::Hash ( ) const

virtualinherited

Return hash value for this object.

Note: If this routine is overloaded in a derived class, this derived class should also add

ROOT::CallRecursiveRemoveIfNeeded(*this)

Otherwise, when RecursiveRemove is called (by ~TObject or example) for this type of object, the transversal of THashList and THashTable containers will will have to be done without call Hash (and hence be linear rather than logarithmic complexity). You will also see warnings like

Error in <ROOT::Internal::TCheckHashRecursiveRemoveConsistency::CheckRecursiveRemove>: The class SomeName overrides
TObject::Hash but does not call TROOT::RecursiveRemove in its destructor.

Reimplemented in RooLinkedList, TASImagePlugin, TASPluginGS, TCollection, TEnvRec, TGObject, TGPicture, TIconBoxThumb, TImagePlugin, TNamed, TObjString, TPad, TPair, TParameter< AParamType >, TParameter< Long64_t >, TPave, and TStatistic.

Definition at line 539 of file TObject.cxx.

HasInconsistentHash()

Bool_t TObject::HasInconsistentHash ( ) const

inlineinherited

Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e.

missing call to RecursiveRemove in destructor).

Note: Since the consistency is only tested for during inserts, this routine will return true for object that have never been inserted whether or not they have a consistent setup. This has no negative side-effect as searching for the object with the right or wrong Hash will always yield a not-found answer (Since anyway no hash can be guaranteed unique, there is always a check)

Definition at line 366 of file TObject.h.

IncTimeStamp()

void TGLCamera::IncTimeStamp ( )

inlineinherited

Definition at line 124 of file TGLCamera.h.

Info()

void TObject::Info ( const char * location, const char * fmt, ... ) const

virtualinherited

Issue info message.

Use "location" to specify the method where the warning occurred. Accepts standard printf formatting arguments.

Definition at line 1072 of file TObject.cxx.

InheritsFrom() [1/2]

Bool_t TObject::InheritsFrom ( const char * classname ) const

virtualinherited

Returns kTRUE if object inherits from class "classname".

Reimplemented in TClass.

Definition at line 549 of file TObject.cxx.

InheritsFrom() [2/2]

Bool_t TObject::InheritsFrom ( const TClass * cl ) const

virtualinherited

Returns kTRUE if object inherits from TClass cl.

Reimplemented in TClass.

Definition at line 557 of file TObject.cxx.

Inspect()

void TObject::Inspect ( ) const

virtualinherited

Dump contents of this object in a graphics canvas.

Same action as Dump but in a graphical form. In addition pointers to other objects can be followed.

The following picture is the Inspect of a histogram object:

Reimplemented in ROOT::Experimental::XRooFit::xRooNode, TGFrame, TInspectorObject, and TSystemFile.

Definition at line 570 of file TObject.cxx.

InvertBit()

void TObject::InvertBit ( UInt_t f )

inlineinherited

Definition at line 206 of file TObject.h.

IsA()

TClass * TGLPerspectiveCamera::IsA ( ) const

inlineoverridevirtual

Returns

TClass describing current object

Reimplemented from TGLCamera.

Definition at line 55 of file TGLPerspectiveCamera.h.

IsCacheDirty()

Bool_t TGLCamera::IsCacheDirty ( ) const

inlineinherited

Definition at line 123 of file TGLCamera.h.

IsDestructed()

Bool_t TObject::IsDestructed ( ) const

inlineinherited

IsDestructed.

Note

This function must be non-virtual as it can be used on destructed (but not yet modified) memory. This is used for example in TClonesArray to record the element that have been destructed but not deleted and thus are ready for re-use (by operator new with placement).

Returns

true if this object's destructor has been run.

Definition at line 186 of file TObject.h.

IsEqual()

Bool_t TObject::IsEqual ( const TObject * obj ) const

virtualinherited

Default equal comparison (objects are equal if they have the same address in memory).

More complicated classes might want to override this function.

Reimplemented in TGObject, TObjString, TPair, and TQCommand.

Definition at line 589 of file TObject.cxx.

IsFolder()

Bool_t TObject::IsFolder ( ) const

virtualinherited

Returns kTRUE in case object contains browsable objects (like containers or lists of other objects).

Reimplemented in ROOT::Experimental::XRooFit::xRooNode, ROOT::Internal::THnBaseBrowsable, TApplicationRemote, TAxis3D, TBaseClass, TBranch, TBranchClones, TBranchElement, TBranchObject, TBranchSTL, TBrowserObject, TCanvas, TClass, TCollection, TDatabasePDG, TDirectory, TFolder, TGeoManager, TGeometry, TGeoNode, TGeoNodeMatrix, TGeoOverlap, TGeoTrack, TGeoVolume, THbookFile, THbookKey, THnBase, TKey, TMapFile, TMultiDimFit, TNode, TPad, TPair, TParticleClassPDG, TPrincipal, TRemoteObject, TROOT, TRootIconList, TSPlot, TSystemDirectory, TTask, TTree, and TVirtualBranchBrowsable.

Definition at line 579 of file TObject.cxx.

IsOnHeap()

Bool_t TObject::IsOnHeap ( ) const

inlineinherited

Definition at line 160 of file TObject.h.

IsOrthographic()

virtual Bool_t TGLCamera::IsOrthographic ( ) const

inlinevirtualinherited

Reimplemented in TGLOrthoCamera.

Definition at line 118 of file TGLCamera.h.

IsPerspective()

Bool_t TGLPerspectiveCamera::IsPerspective ( ) const

inlineoverridevirtual

Reimplemented from TGLCamera.

Definition at line 39 of file TGLPerspectiveCamera.h.

IsSortable()

virtual Bool_t TObject::IsSortable ( ) const

inlinevirtualinherited

Reimplemented in RooAbsArg, RooDouble, TCollection, TFileInfo, TGeoBranchArray, TGeoOverlap, TGFSFrameElement, TGLBFrameElement, TNamed, TObjString, TParameter< AParamType >, TParameter< Long64_t >, TPave, TStructNode, TStructNodeProperty, TUri, and TUrl.

Definition at line 158 of file TObject.h.

IsZombie()

Bool_t TObject::IsZombie ( ) const

inlineinherited

Definition at line 161 of file TObject.h.

ls()

void TObject::ls ( Option_t * option = "" ) const

virtualinherited

The ls function lists the contents of a class on stdout.

Ls output is typically much less verbose then Dump().

Reimplemented in ROOT::Detail::TSchemaRuleSet, ROOT::Experimental::XRooFit::xRooBrowser, ROOT::TSchemaRule, TAnnotation, TApplication, TBox, TCanvas, TChain, TChainElement, TClass, TClassTree, TCollection, TColor, TDirectory, TDirectoryFile, TEllipse, TFile, TFolder, TFree, TFriendElement, TFunction, TGeometry, TGeoNode, TGFrameElement, TGLayoutHints, THbookFile, THStack, TImage, TKey, TLine, TMapFile, TMarker, TNamed, TNode, TPad, TParameter< AParamType >, TParameter< Long64_t >, TPave, TPolyLine3D, TPolyLine, TPolyMarker3D, TPolyMarker, TQCommand, TQConnection, TQConnectionList, TQSlot, TQUndoManager, TROOT, TStatistic, TStreamerBase, TStreamerElement, TStreamerInfo, TStreamerSTL, TTask, TText, TVirtualPad, and TVirtualStreamerInfo.

Definition at line 598 of file TObject.cxx.

MakeZombie()

void TObject::MakeZombie ( )

inlineprotectedinherited

Definition at line 55 of file TObject.h.

MayNotUse()

void TObject::MayNotUse ( const char * method ) const

inherited

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).

Definition at line 1160 of file TObject.cxx.

Notify()

Bool_t TObject::Notify ( )

virtualinherited

This method must be overridden to handle object notification (the base implementation is no-op).

Different objects in ROOT use the Notify method for different purposes, in coordination with other objects that call this method at the appropriate time.

For example, TLeaf uses it to load class information; TBranchRef to load contents of referenced branches TBranchRef; most notably, based on Notify, TChain implements a callback mechanism to inform interested parties when it switches to a new sub-tree.

Reimplemented in h1analysis, h1analysisTreeReader, TARInterruptHandler, TASInputHandler, TASInterruptHandler, TASLogHandler, TASSigPipeHandler, TBlinkTimer, TBranchElement, TBranchRef, TBreakLineCom, TBrowserTimer, TCollection, TDelCharCom, TDelTextCom, TFileHandler, TGContainerKeyboardTimer, TGContainerScrollTimer, TGInputHandler, TGLRedrawTimer, TGTextEditHist, TGuiBldDragManagerRepeatTimer, TIdleTimer, TInsCharCom, TInsTextCom, TInterruptHandler, TLeafObject, TMessageHandler, TNotifyLink< Type >, TNotifyLink< RNoCleanupNotifierHelper >, TNotifyLink< ROOT::Detail::TBranchProxy >, TNotifyLink< TTreeReader >, TPopupDelayTimer, TProcessEventTimer, TRefTable, TRepeatTimer, TSBRepeatTimer, TSelector, TSelectorDraw, TSelectorEntries, TSignalHandler, TSingleShotCleaner, TSocketHandler, TStdExceptionHandler, TSysEvtHandler, TTermInputHandler, TThreadTimer, TTimeOutTimer, TTimer, TTipDelayTimer, TTree, TTreeFormula, TTreeFormulaManager, TTreeReader, TViewTimer, and TViewUpdateTimer.

Definition at line 618 of file TObject.cxx.

Obsolete()

void TObject::Obsolete ( const char * method, const char * asOfVers, const char * removedFromVers ) const

inherited

Use this method to declare a method obsolete.

Specify as of which version the method is obsolete and as from which version it will be removed.

Definition at line 1169 of file TObject.cxx.

OfInterest()

Bool_t TGLCamera::OfInterest ( const TGLBoundingBox & box, Bool_t ignoreSize ) const

inherited

Calculate if the an object defined by world frame bounding box is 'of interest' to the camera.

This is defined as box:

1. intersecting completely or partially (kInside/kPartial) with cameras interest box (fInterestBox)
2. having significant length OR volume ratio compared to this interest box

If a box is 'of interest' returns kTRUE, kFALSE otherwise. See TGLCamera::UpdateInterest() for more details of camera interest box.

Note: Length/volume ratios NOT dependent on the projected size of box at current camera configuration as we do not want continual changes. This is used when (re) populating the scene with objects from external client.

TODO: Might be more logical to move this test out to client - and have accessor for fInterestBox instead?

Definition at line 577 of file TGLCamera.cxx.

operator delete() [1/3]

void TObject::operator delete ( void * ptr, size_t size )

inherited

Operator delete for sized deallocation.

Definition at line 1234 of file TObject.cxx.

operator delete() [2/3]

void TObject::operator delete ( void * ptr )

inherited

Operator delete.

Definition at line 1212 of file TObject.cxx.

operator delete() [3/3]

void TObject::operator delete ( void * ptr, void * vp )

inherited

Only called by placement new when throwing an exception.

Definition at line 1266 of file TObject.cxx.

operator delete[]() [1/3]

void TObject::operator delete[] ( void * ptr, size_t size )

inherited

Operator delete [] for sized deallocation.

Definition at line 1245 of file TObject.cxx.

operator delete[]() [2/3]

void TObject::operator delete[] ( void * ptr )

inherited

Operator delete [].

Definition at line 1223 of file TObject.cxx.

operator delete[]() [3/3]

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

inherited

Only called by placement new[] when throwing an exception.

Definition at line 1274 of file TObject.cxx.

operator new() [1/2]

void * TObject::operator new ( size_t sz )

inlineinherited

Definition at line 189 of file TObject.h.

operator new() [2/2]

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

inlineinherited

Definition at line 191 of file TObject.h.

operator new[]() [1/2]

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

inlineinherited

Definition at line 190 of file TObject.h.

operator new[]() [2/2]

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

inlineinherited

Definition at line 192 of file TObject.h.

Paint()

void TObject::Paint ( Option_t * option = "" )

virtualinherited

This method must be overridden if a class wants to paint itself.

The difference between Paint() and Draw() is that when a object draws itself it is added to the display list of the pad in which it is drawn (and automatically redrawn whenever the pad is redrawn). While paint just draws the object without adding it to the pad display list.

Reimplemented in ROOT::Experimental::RTreeMapPainter, ROOT::RGeoPainter, TAnnotation, TArrow, TASImage, TASPaletteEditor::LimitLine, TASPaletteEditor::PaintPalette, TAxis3D, TBits, TBox, TButton, TCanvas, TClassTree, TCollection, TColorWheel, TCrown, TDiamond, TDirectory, TEfficiency, TEllipse, TEveArrow, TEveCaloViz, TEveDigitSet, TEveGeoShape, TEveGeoTopNode, TEvePlot3D, TEvePointSet, TEveProjectionAxes, TEveScene, TEveShape, TEveStraightLineSet, TEveText, TEveTriangleSet, TExec, TF1, TF2, TF3, TFile, TFileDrawMap, TFrame, TGaxis, TGenerator, TGeoBoolNode, TGeoIntersection, TGeoNode, TGeoOverlap, TGeoPainter, TGeoPhysicalNode, TGeoShape, TGeoSubtraction, TGeoTrack, TGeoUnion, TGeoVGShape, TGeoVolume, TGL5DDataSet, TGLHistPainter, TGLParametricEquation, TGLTH3Composition, TGraph2D, TGraph2DPainter, TGraph, TGraphEdge, TGraphNode, TGraphPolargram, TGraphTime, TH1, THistPainter, THStack, TLatex, TLegend, TLine, TMacro, TMarker3DBox, TMarker, TMathText, TMultiGraph, TNode, TNodeDiv, TPad, TPaletteAxis, TParallelCoord, TParallelCoordRange, TParallelCoordVar, TParticle, TPave, TPaveLabel, TPaveStats, TPavesText, TPaveText, TPie, TPolyLine3D, TPolyLine, TPolyMarker3D, TPolyMarker, TPrimary, TRatioPlot, TScatter2D, TScatter, TShape, TSpectrum2Painter, TSpider, TSpline, TSQLFile, TStyle, TText, TTreePerfStats, TVirtualGeoPainter, TVirtualGeoTrack, TVirtualHistPainter, TVirtualPad, TWbox, and TXMLFile.

Definition at line 631 of file TObject.cxx.

Pop()

void TObject::Pop ( )

virtualinherited

Pop on object drawn in a pad to the top of the display list.

I.e. it will be drawn last and on top of all other primitives.

Reimplemented in TFrame, TPad, and TVirtualPad.

Definition at line 640 of file TObject.cxx.

Print()

void TObject::Print ( Option_t * option = "" ) const

virtualinherited

This method must be overridden when a class wants to print itself.

Reimplemented in Roo1DTable, RooAbsArg, RooAbsBinning, RooAbsCollection, RooAbsData, RooAbsDataStore, RooAbsGenContext, RooCatType, RooCmdArg, RooCurve, RooEllipse, RooFitResult, RooGenFitStudy, RooHist, RooLinkedList, RooMsgService, RooNumGenConfig, RooNumIntConfig, RooPlot, RooSharedProperties, RooStats::ModelConfig, ROOT::Experimental::REveTrans, ROOT::Experimental::XRooFit::xRooNLLVar::xRooHypoPoint, ROOT::Experimental::XRooFit::xRooNLLVar::xRooHypoSpace, ROOT::Experimental::XRooFit::xRooNode, ROOT::v5::TFormula, RooWorkspace, TAnnotation, TApplicationRemote, TAttParticle, TBenchmark, TBits, TBox, TBranch, TBranchClones, TBranchElement, TBranchObject, TBranchRef, TBranchSTL, TChain, TClassTable, TCling, TCollection, TColor, TDatabasePDG, TDecompBase, TDecompBK, TDecompChol, TDecompLU, TDecompQRH, TDecompSparse, TDecompSVD, TDirectory, TEllipse, TEnv, TEventList, TEveTrans, TF1, TFile, TFileCacheRead, TFileCacheWrite, TFileCollection, TFileInfo, TFileInfoMeta, TFitResult, TFoamCell, TFoamVect, TFormula, TFunction, TGCompositeFrame, TGDMLMatrix, TGeoBatemanSol, TGeoBorderSurface, TGeoBranchArray, TGeoDecayChannel, TGeoElement, TGeoElementRN, TGeoElementTable, TGeoIsotope, TGeoMatrix, TGeoOpticalSurface, TGeoOverlap, TGeoPhysicalNode, TGeoRegion, TGeoSkinSurface, TGeoTessellated, TGeoTrack, TGeoVolume, TGeoVoxelFinder, TGFont, TGFontPool, TGFrame, TGFrameElement, TGGC, TGGCPool, TGLayoutHints, TGMimeTypes, TGPicture, TGPicturePool, TGraph2D, TGraph2DAsymmErrors, TGraph2DErrors, TGraph, TGraphAsymmErrors, TGraphBentErrors, TGraphErrors, TGraphMultiErrors, TGTextEdit, TGWindow, TH1, THashTable, THbookTree, THelix, THnBase, THStack, TInetAddress, TKey, TLegend, TLegendEntry, TLine, TLorentzVector, TMacro, TMapFile, TMarker, TMatrixTBase< Element >, TMatrixTBase< Double_t >, TMatrixTBase< Float_t >, TMemFile, TMessageHandler, TMultiDimFit, TMultiGraph, TMVA::Event, TMVA::Option< T >, TMVA::Option< T * >, TMVA::OptionBase, TMVA::PDEFoamCell, TMVA::PDEFoamVect, TMVA::TNeuron, TNamed, TObjectTable, TObjString, TPad, TParallelCoordRange, TParallelCoordVar, TParameter< AParamType >, TParameter< Long64_t >, TParticle, TParticleClassPDG, TParticlePDG, TPave, TPaveText, TPluginHandler, TPluginManager, TPolyLine3D, TPolyLine, TPolyMarker3D, TPolyMarker, TPrimary, TPrincipal, TQpDataDens, TQpDataSparse, TQpVar, TQSlot, TQuaternion, TRolke, TRootBrowserHistoryCursor, TScatter2D, TScatter, TSpectrum2, TSpectrum3, TSpectrum, TSQLColumnInfo, TSQLFile, TSQLStructure, TSQLTableInfo, TStatistic, TStopwatch, TStreamerInfoActions::TActionSequence, TText, TTree, TTreeCache, TTreeCacheUnzip, TTreeIndex, TTreePerfStats, TUri, TUrl, TVector2, TVector3, TVectorT< Element >, TVectorT< Double_t >, TVectorT< Float_t >, TVirtualPad, TXMLFile, TXTRU, TZIPFile, and TZIPMember.

Definition at line 661 of file TObject.cxx.

Read()

Int_t TObject::Read ( const char * name )

virtualinherited

Read contents of object with specified name from the current directory.

First the key with the given name is searched in the current directory, next the key buffer is deserialized into the object. The object must have been created before via the default constructor. See TObject::Write().

Reimplemented in TBuffer, TKey, TKeySQL, and TKeyXML.

Definition at line 673 of file TObject.cxx.

RecursiveRemove()

void TObject::RecursiveRemove ( TObject * obj )

virtualinherited

Recursively remove this object from a list.

Typically implemented by classes that can contain multiple references to a same object.

Reimplemented in RooAbsCollection, RooAbsData, RooLinkedList, RooMCStudy, ROOT::Internal::TCheckHashRecursiveRemoveConsistency, ROOT::RBrowserDataCleanup, RooWorkspace, TBrowser, TChain, TCling, TCollection, TDialogCanvas, TDirectory, TEfficiency, TFileMerger, TFitEditor, TFolder, TFriendElement, TGedEditor, TGeometry, TGFileBrowser, TGraph2D, TGraph, TH1, TH1Editor, TH2Editor, THashList, THistPainter, THStack, TInspectCanvas, TLegend, TList, TListOfDataMembers, TListOfEnums, TListOfEnumsWithLock, TListOfFunctions, TListOfFunctionTemplates, TMultiGraph, TNode, TObjArray, TObjectRefSpy, TObjectSpy, TPad, TProcessID, TROOT, TRootBrowser, TRootBrowserHistory, TRootBrowserLite, TRootContextMenu, TTree, TTreePlayer, TViewPubDataMembers, TViewPubFunctions, and TVirtualPad.

Definition at line 684 of file TObject.cxx.

RefCamBase()

TGLMatrix & TGLCamera::RefCamBase ( )

inlineinherited

Definition at line 169 of file TGLCamera.h.

RefCamTrans()

TGLMatrix & TGLCamera::RefCamTrans ( )

inlineinherited

Definition at line 170 of file TGLCamera.h.

RefLastNoPickProjM()

TGLMatrix & TGLCamera::RefLastNoPickProjM ( ) const

inlineinherited

Definition at line 174 of file TGLCamera.h.

RefModelViewMatrix()

const TGLMatrix & TGLCamera::RefModelViewMatrix ( ) const

inlineinherited

Definition at line 121 of file TGLCamera.h.

RefViewport() [1/2]

TGLRect & TGLCamera::RefViewport ( )

inlineinherited

Definition at line 128 of file TGLCamera.h.

RefViewport() [2/2]

const TGLRect & TGLCamera::RefViewport ( ) const

inlineinherited

Definition at line 129 of file TGLCamera.h.

Reset()

void TGLPerspectiveCamera::Reset ( )

overridevirtual

Reset the camera to defaults - reframe the world volume established in Setup() in default state.

Note: limits defined in Setup() are not adjusted.

Implements TGLCamera.

Definition at line 98 of file TGLPerspectiveCamera.cxx.

ResetBit()

void TObject::ResetBit ( UInt_t f )

inlineinherited

Definition at line 203 of file TObject.h.

ResetInterest()

void TGLCamera::ResetInterest ( )

inherited

Clear out the existing interest box.

Definition at line 698 of file TGLCamera.cxx.

Rotate()

Bool_t TGLCamera::Rotate ( Int_t xDelta, Int_t yDelta, Bool_t mod1, Bool_t mod2 )

virtualinherited

Rotate the camera round view volume center established in Setup().

Arguments are:

• xDelta - horizontal delta (pixels)
• YDelta - vertical delta (pixels)

Reimplemented in TGLOrthoCamera.

Definition at line 915 of file TGLCamera.cxx.

RotateArcBall()

Bool_t TGLCamera::RotateArcBall ( Int_t xDelta, Int_t yDelta, Bool_t mod1, Bool_t mod2 )

virtualinherited

Rotate the camera round view volume center established in Setup().

Arguments are:

• xDelta - horizontal delta (pixels)
• YDelta - vertical delta (pixels)

Definition at line 989 of file TGLCamera.cxx.

RotateArcBallRad()

Bool_t TGLCamera::RotateArcBallRad ( Double_t hRotate, Double_t vRotate )

virtualinherited

Rotate camera around center.

Definition at line 1000 of file TGLCamera.cxx.

RotateRad()

Bool_t TGLCamera::RotateRad ( Double_t hRotate, Double_t vRotate )

virtualinherited

Rotate camera around center.

Definition at line 926 of file TGLCamera.cxx.

SaveAs()

void TObject::SaveAs ( const char * filename = "", Option_t * option = "" ) const

virtualinherited

Save this object in the file specified by filename.

• if "filename" contains ".root" the object is saved in filename as root binary file.
• if "filename" contains ".xml" the object is saved in filename as a xml ascii file.
• if "filename" contains ".cc" the object is saved in filename as C code independent from ROOT. The code is generated via SavePrimitive(). Specific code should be implemented in each object to handle this option. Like in TF1::SavePrimitive().

• otherwise the object is written to filename as a CINT/C++ script. The C++ code to rebuild this object is generated via SavePrimitive(). The "option" parameter is passed to SavePrimitive. By default it is an empty string. It can be used to specify the Draw option in the code generated by SavePrimitive.

  The function is available via the object context menu.

Reimplemented in ROOT::Experimental::XRooFit::xRooNode, TClassTree, TFolder, TGeoVolume, TGObject, TGraph, TH1, TPad, TPaveClass, TSpline3, TSpline5, TSpline, TTreePerfStats, and TVirtualPad.

Definition at line 708 of file TObject.cxx.

SavePrimitive()

void TObject::SavePrimitive ( std::ostream & out, Option_t * option = "" )

virtualinherited

Save a primitive as a C++ statement(s) on output stream "out".

Reimplemented in TAnnotation, TArc, TArrow, TASImage, TAxis3D, TBox, TButton, TCanvas, TChain, TCrown, TCurlyArc, TCurlyLine, TCutG, TDiamond, TEfficiency, TEllipse, TExec, TF12, TF1, TF2, TF3, TFrame, TGaxis, TGButton, TGButtonGroup, TGCanvas, TGCheckButton, TGColorSelect, TGColumnLayout, TGComboBox, TGCompositeFrame, TGContainer, TGDockableFrame, TGDoubleHSlider, TGDoubleVSlider, TGedMarkerSelect, TGedPatternSelect, TGeoArb8, TGeoBBox, TGeoBoolNode, TGeoCombiTrans, TGeoCompositeShape, TGeoCone, TGeoConeSeg, TGeoCtub, TGeoDecayChannel, TGeoElementRN, TGeoEltu, TGeoGtra, TGeoHalfSpace, TGeoHMatrix, TGeoHype, TGeoIdentity, TGeoIntersection, TGeoMaterial, TGeoMedium, TGeoMixture, TGeoPara, TGeoParaboloid, TGeoPatternCylPhi, TGeoPatternCylR, TGeoPatternParaX, TGeoPatternParaY, TGeoPatternParaZ, TGeoPatternSphPhi, TGeoPatternSphR, TGeoPatternSphTheta, TGeoPatternTrapZ, TGeoPatternX, TGeoPatternY, TGeoPatternZ, TGeoPcon, TGeoPgon, TGeoRotation, TGeoScaledShape, TGeoShapeAssembly, TGeoSphere, TGeoSubtraction, TGeoTessellated, TGeoTorus, TGeoTranslation, TGeoTrap, TGeoTrd1, TGeoTrd2, TGeoTube, TGeoTubeSeg, TGeoUnion, TGeoVolume, TGeoXtru, TGFileContainer, TGFont, TGFrame, TGFSComboBox, TGGC, TGGroupFrame, TGHButtonGroup, TGHorizontal3DLine, TGHorizontalFrame, TGHorizontalLayout, TGHProgressBar, TGHScrollBar, TGHSlider, TGHSplitter, TGHtml, TGIcon, TGLabel, TGLayoutHints, TGLineStyleComboBox, TGLineWidthComboBox, TGListBox, TGListDetailsLayout, TGListLayout, TGListTree, TGListView, TGLVContainer, TGMainFrame, TGMatrixLayout, TGMdiFrame, TGMdiMainFrame, TGMdiMenuBar, TGMenuBar, TGMenuTitle, TGNumberEntry, TGNumberEntryField, TGPictureButton, TGPopupMenu, TGProgressBar, TGRadioButton, TGraph2D, TGraph2DAsymmErrors, TGraph2DErrors, TGraph, TGraphAsymmErrors, TGraphBentErrors, TGraphEdge, TGraphErrors, TGraphMultiErrors, TGraphNode, TGraphPolar, TGraphPolargram, TGraphStruct, TGroupButton, TGRowLayout, TGShapedFrame, TGShutter, TGShutterItem, TGSplitFrame, TGStatusBar, TGTab, TGTabLayout, TGTableLayout, TGTableLayoutHints, TGTextButton, TGTextEdit, TGTextEntry, TGTextLBEntry, TGTextView, TGTileLayout, TGToolBar, TGTransientFrame, TGTripleHSlider, TGTripleVSlider, TGVButtonGroup, TGVertical3DLine, TGVerticalFrame, TGVerticalLayout, TGVFileSplitter, TGVProgressBar, TGVScrollBar, TGVSlider, TGVSplitter, TGXYLayout, TGXYLayoutHints, TH1, TH2Poly, THelix, THStack, TLatex, TLegend, TLine, TMacro, TMarker3DBox, TMarker, TMathText, TMultiGraph, TPad, TPaletteAxis, TParallelCoord, TParallelCoordVar, TPave, TPaveClass, TPaveLabel, TPaveStats, TPavesText, TPaveText, TPie, TPieSlice, TPolyLine3D, TPolyLine, TPolyMarker3D, TPolyMarker, TProfile2D, TProfile3D, TProfile, TRootContainer, TRootEmbeddedCanvas, TScatter2D, TScatter, TSlider, TSliderBox, TSpline3, TSpline5, TStyle, TText, TTreePerfStats, and TWbox.

Definition at line 858 of file TObject.cxx.

SavePrimitiveConstructor()

void TObject::SavePrimitiveConstructor ( std::ostream & out, TClass * cl, const char * variable_name, const char * constructor_agrs = "", Bool_t empty_line = kTRUE )

staticprotectedinherited

Save object constructor in the output stream "out".

Can be used as first statement when implementing SavePrimitive() method for the object

Definition at line 777 of file TObject.cxx.

SavePrimitiveDraw()

void TObject::SavePrimitiveDraw ( std::ostream & out, const char * variable_name, Option_t * option = nullptr )

staticprotectedinherited

Save invocation of primitive Draw() method Skipped if option contains "nodraw" string.

Definition at line 845 of file TObject.cxx.

SavePrimitiveVector()

TString TObject::SavePrimitiveVector ( std::ostream & out, const char * prefix, Int_t len, Double_t * arr, Int_t flag = 0 )

staticprotectedinherited

Save array in the output stream "out" as vector.

Create unique variable name based on prefix value Returns name of vector which can be used in constructor or in other places of C++ code If flag === kTRUE, just add empty line If flag === 111, check if array is empty and return nullptr or <vectorname>.data()

Definition at line 796 of file TObject.cxx.

SetBit() [1/2]

void TObject::SetBit ( UInt_t f )

inlineinherited

Definition at line 202 of file TObject.h.

SetBit() [2/2]

void TObject::SetBit ( UInt_t f, Bool_t set )

inherited

Set or unset the user status bits as specified in f.

Definition at line 888 of file TObject.cxx.

SetCenterVec()

void TGLCamera::SetCenterVec ( Double_t x, Double_t y, Double_t z )

inherited

Set camera center vector.

Definition at line 846 of file TGLCamera.cxx.

SetCenterVecWarp()

void TGLCamera::SetCenterVecWarp ( Double_t x, Double_t y, Double_t z )

inherited

Set camera center vector and do not keep the same combined camera transformation matrix.

It appears as if the camera warped to the new center.

Definition at line 866 of file TGLCamera.cxx.

SetDrawOption()

void TObject::SetDrawOption ( Option_t * option = "" )

virtualinherited

Set drawing option for object.

This option only affects the drawing style and is stored in the option field of the TObjOptLink supporting a TPad's primitive list (TList). Note that it does not make sense to call object.SetDrawOption(option) before having called object.Draw().

Reimplemented in RooPlot, TAxis, TBrowser, TGedFrame, TGFrame, TPad, TPaveStats, TRootBrowserLite, TSystemDirectory, and TSystemFile.

Definition at line 871 of file TObject.cxx.

SetDtorOnly()

void TObject::SetDtorOnly ( void * obj )

staticinherited

Set destructor only flag.

Definition at line 1204 of file TObject.cxx.

SetExternalCenter()

void TGLCamera::SetExternalCenter ( Bool_t x )

inherited

Set camera center diffrent than scene center, if enable is kTRUE.

Definition at line 824 of file TGLCamera.cxx.

SetFixDefCenter()

void TGLCamera::SetFixDefCenter ( Bool_t x )

inlineinherited

Definition at line 159 of file TGLCamera.h.

SetFixDefCenterVec()

void TGLCamera::SetFixDefCenterVec ( Double_t x, Double_t y, Double_t z )

inlineinherited

Definition at line 160 of file TGLCamera.h.

SetFOV()

void TGLPerspectiveCamera::SetFOV ( Double_t fov )

inline

Definition at line 42 of file TGLPerspectiveCamera.h.

SetObjectStat()

void TObject::SetObjectStat ( Bool_t stat )

staticinherited

Turn on/off tracking of objects in the TObjectTable.

Definition at line 1188 of file TObject.cxx.

SetUniqueID()

void TObject::SetUniqueID ( UInt_t uid )

virtualinherited

Set the unique object id.

Definition at line 899 of file TObject.cxx.

Setup()

void TGLPerspectiveCamera::Setup ( const TGLBoundingBox & box, Bool_t reset = kTRUE )

overridevirtual

Setup camera limits suitable to view the world volume defined by 'box' and call Reset() to initialise camera.

Implements TGLCamera.

Definition at line 63 of file TGLPerspectiveCamera.cxx.

SetVAxisMinAngle()

void TGLCamera::SetVAxisMinAngle ( Float_t x )

inlineinherited

Definition at line 204 of file TGLCamera.h.

SetViewport()

void TGLCamera::SetViewport ( const TGLRect & viewport )

inherited

Set viewport extents from passed 'viewport' rect.

Definition at line 98 of file TGLCamera.cxx.

Streamer()

void TGLPerspectiveCamera::Streamer ( TBuffer & R__b )

overridevirtual

Stream an object of class TObject.

Reimplemented from TGLCamera.

StreamerNVirtual()

void TGLPerspectiveCamera::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 55 of file TGLPerspectiveCamera.h.

SysError()

void TObject::SysError ( const char * location, const char * fmt, ... ) const

virtualinherited

Issue system error message.

Use "location" to specify the method where the system error occurred. Accepts standard printf formatting arguments.

Definition at line 1112 of file TObject.cxx.

TestBit()

Bool_t TObject::TestBit ( UInt_t f ) const

inlineinherited

Definition at line 204 of file TObject.h.

TestBits()

Int_t TObject::TestBits ( UInt_t f ) const

inlineinherited

Definition at line 205 of file TObject.h.

TimeStamp()

UInt_t TGLCamera::TimeStamp ( ) const

inlineinherited

Definition at line 125 of file TGLCamera.h.

Truck() [1/2]

Bool_t TGLCamera::Truck ( Double_t xDelta, Double_t yDelta )

virtual

Truck the camera - 'move camera parallel to film plane'.

Returns kTRUE is redraw required (camera change), kFALSE otherwise.

Reimplemented from TGLCamera.

Definition at line 137 of file TGLCamera.cxx.

Truck() [2/2]

Bool_t TGLPerspectiveCamera::Truck ( Int_t xDelta, Int_t yDelta, Bool_t mod1, Bool_t mod2 )

overridevirtual

Truck the camera - 'move camera parallel to film plane'.

Returns kTRUE is redraw required (camera change), kFALSE otherwise.

Implements TGLCamera.

Definition at line 133 of file TGLPerspectiveCamera.cxx.

UpdateCache()

void TGLCamera::UpdateCache ( ) const

protectedinherited

Update internally cached frustum values.

Definition at line 107 of file TGLCamera.cxx.

UpdateInterest()

Bool_t TGLCamera::UpdateInterest ( Bool_t force )

inherited

Update the internal interest box (fInterestBox) of the camera.

The interest box is an orientated bounding box, calculated as an expanded container round the frustum. It is used to test if if object bounding boxes are of interest (should be accepted into viewer scene) for a camera - see TGLCamera::OfInterest()

The interest box is updated if the frustum is no longer contained in the existing one, or a new one calculated on the current frustum differs significantly in volume (camera has been zoomed/dollyed sizable amount).

If the interest box is updated we return kTRUE - kFALSE otherwise.

Definition at line 642 of file TGLCamera.cxx.

UseCurrentStyle()

void TObject::UseCurrentStyle ( )

virtualinherited

Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked.

Reimplemented in TAxis3D, TCanvas, TFrame, TGraph, TH1, TPad, TPaveStats, TPaveText, and TTree.

Definition at line 909 of file TObject.cxx.

ViewportDeltaToWorld()

TGLVector3 TGLCamera::ViewportDeltaToWorld ( const TGLVertex3 & worldRef, Double_t viewportXDelta, Double_t viewportYDelta, TGLMatrix * modviewMat = nullptr ) const

inherited

Apply a 2D viewport delta (shift) to the projection of worldRef onto viewport, returning the resultant world vector which equates to it.

Useful for making 3D world objects track mouse moves.

Camera must have valid frustum cache - call Apply()

Definition at line 545 of file TGLCamera.cxx.

ViewportOverlap()

Rgl::EOverlap TGLCamera::ViewportOverlap ( const TGLBoundingBox & box ) const

inherited

Calculate overlap (kInside, kOutside, kPartial) of box projection onto viewport (as rect) against the viewport rect.

Camera must have valid frustum cache - call Apply() after last modification, before using.

Definition at line 318 of file TGLCamera.cxx.

ViewportPlaneIntersection() [1/2]

std::pair< Bool_t, TGLVertex3 > TGLCamera::ViewportPlaneIntersection ( const TPoint & viewport, const TGLPlane & worldPlane ) const

inherited

Find the intersection of projection of supplied viewport TPoint (a 3D world line - see ViewportToWorld) with supplied world plane.

Returns std::pair of bool and vertex. If line intersects

Camera must have valid frustum cache - call Apply() after last modification, before using

Definition at line 532 of file TGLCamera.cxx.

ViewportPlaneIntersection() [2/2]

std::pair< Bool_t, TGLVertex3 > TGLCamera::ViewportPlaneIntersection ( Double_t viewportX, Double_t viewportY, const TGLPlane & worldPlane ) const

inherited

Find the intersection of projection of supplied viewport point (a 3D world line - see ViewportToWorld) with supplied world plane.

Returns std::pair of Bool_t and TGLVertex3. If line intersects std::pair.first (Bool_t) is kTRUE, and std::pair.second (TGLVertex) contains the intersection vertex. If line does not intersect (line and plane parallel) std::pair.first (Bool_t) if kFALSE, and std::pair.second (TGLVertex) is invalid.

NOTE: The projection lines is extended for the plane intersection test hence the intersection vertex can lie outside the near/far clip regions (not visible)

Camera must have valid frustum cache - call Apply() after last modification, before using

Definition at line 516 of file TGLCamera.cxx.

ViewportRect() [1/2]

TGLRect TGLCamera::ViewportRect ( const TGLBoundingBox & box, const TGLBoundingBox::EFace * face = nullptr ) const

inherited

Calculate viewport rectangle which just contains projection of world frame bounding box 'box' onto the viewport.

If face is null the rect contains the whole bounding box (8 vertices/6 faces). If face is non-null it indicates a box face, and the rect contains the single face (4 vertices). Note use other version of ViewportRect() if you wish to just pass a static EFace enum member (e.g. kFaceLowX)

Note:

1. Rectangle is NOT clipped by viewport limits - so can result in rect with corners outside viewport - negative etc
2. TGLRect provides int (pixel based) values - not subpixel accurate
3. Camera must have valid frustum cache - call Apply() after last modification, before calling

Definition at line 350 of file TGLCamera.cxx.

ViewportRect() [2/2]

TGLRect TGLCamera::ViewportRect ( const TGLBoundingBox & box, TGLBoundingBox::EFace face ) const

inherited

Calculate viewport rectangle which just contains projection of single 'face' of world frame bounding box 'box' onto the viewport.

Note use other version of ViewportRect() if you want whole 'box' contained

Definition at line 328 of file TGLCamera.cxx.

ViewportToWorld() [1/3]

TGLVertex3 TGLCamera::ViewportToWorld ( const TGLVertex3 & viewportVertex, TGLMatrix * modviewMat = nullptr ) const

inherited

Convert a '3D' viewport vertex to 3D world one.

The X()/Y() components of viewportVertex are the horizontal/vertical pixel position.

Definition at line 441 of file TGLCamera.cxx.

ViewportToWorld() [2/3]

TGLLine3 TGLCamera::ViewportToWorld ( const TPoint & viewport ) const

inherited

Convert a 2D viewport position to 3D world line - the projection of the viewport point into 3D space.

Line runs from near to far camera clip planes (the minimum and maximum visible depth). See also TGLVertex3 TGLCamera::ViewportToWorld(const TGLVertex3 & viewportVertex) const for 3D viewport -> 3D world vertex conversions. See also OpenGL gluUnProject & glDepth documentation

Camera must have valid frustum cache - call Apply() after last modification, before using

Definition at line 497 of file TGLCamera.cxx.

ViewportToWorld() [3/3]

TGLLine3 TGLCamera::ViewportToWorld ( Double_t viewportX, Double_t viewportY ) const

inherited

Convert a 2D viewport position to 3D world line - the projection of the viewport point into 3D space.

Line runs from near to far camera clip planes (the minimum and maximum visible depth). See also TGLVertex3 TGLCamera::ViewportToWorld(const TGLVertex3 & viewportVertex) const for 3D viewport -> 3D world vertex conversions. See also OpenGL gluUnProject & glDepth documentation

Camera must have valid frustum cache - call Apply() after last modification, before using

Definition at line 476 of file TGLCamera.cxx.

Warning()

void TObject::Warning ( const char * location, const char * fmt, ... ) const

virtualinherited

Issue warning message.

Use "location" to specify the method where the warning occurred. Accepts standard printf formatting arguments.

Definition at line 1084 of file TObject.cxx.

WindowToViewport() [1/4]

void TGLCamera::WindowToViewport ( Int_t & , Int_t & y ) const

inlineinherited

Definition at line 198 of file TGLCamera.h.

WindowToViewport() [2/4]

void TGLCamera::WindowToViewport ( TGLRect & rect ) const

inlineinherited

Definition at line 200 of file TGLCamera.h.

WindowToViewport() [3/4]

void TGLCamera::WindowToViewport ( TGLVertex3 & vertex ) const

inlineinherited

Definition at line 201 of file TGLCamera.h.

WindowToViewport() [4/4]

void TGLCamera::WindowToViewport ( TPoint & point ) const

inlineinherited

Definition at line 199 of file TGLCamera.h.

WorldDeltaToViewport()

TGLVector3 TGLCamera::WorldDeltaToViewport ( const TGLVertex3 & worldRef, const TGLVector3 & worldDelta ) const

inherited

Convert a 3D vector worldDelta (shift) about vertex worldRef to a viewport (screen) '3D' vector.

The X()/Y() components of the vector are the horizontal / vertical pixel deltas. The Z() component is the viewport depth delta - for a default depth range between 0.0 (at near clip plane) to 1.0 (at far clip plane) See OpenGL gluProject & glDepth documentation

Camera must have valid frustum cache - call Apply()

Definition at line 425 of file TGLCamera.cxx.

WorldToViewport()

TGLVertex3 TGLCamera::WorldToViewport ( const TGLVertex3 & worldVertex, TGLMatrix * modviewMat = nullptr ) const

inherited

Convert a 3D world vertex to '3D' viewport (screen) one.

The X()/Y() components of the viewport vertex are the horizontal/vertical pixel positions. The Z() component is the viewport depth value - for a default depth range this is 0.0 (at near clip plane) to 1.0 (at far clip plane). See OpenGL gluProject & glDepth documentation

Camera must have valid frustum cache - call Apply() after last modification, before using

Definition at line 402 of file TGLCamera.cxx.

Write() [1/2]

Int_t TObject::Write ( const char * name = nullptr, Int_t option = 0, Int_t bufsize = 0 )

virtualinherited

Write this object to the current directory.

For more see the const version of this method.

Reimplemented in ROOT::TBufferMergerFile, TBuffer, TCollection, TDirectory, TDirectoryFile, TFile, TMap, TParallelMergingFile, TSQLFile, TTree, and TXMLFile.

Definition at line 989 of file TObject.cxx.

Write() [2/2]

Int_t TObject::Write ( const char * name = nullptr, Int_t option = 0, Int_t bufsize = 0 ) const

virtualinherited

Write this object to the current directory.

The data structure corresponding to this object is serialized. The corresponding buffer is written to the current directory with an associated key with name "name".

Writing an object to a file involves the following steps:

• Creation of a support TKey object in the current directory. The TKey object creates a TBuffer object.
• The TBuffer object is filled via the class::Streamer function.
• If the file is compressed (default) a second buffer is created to hold the compressed buffer.
• Reservation of the corresponding space in the file by looking in the TFree list of free blocks of the file.
• The buffer is written to the file.

Bufsize can be given to force a given buffer size to write this object. By default, the buffersize will be taken from the average buffer size of all objects written to the current file so far.

If a name is specified, it will be the name of the key. If name is not given, the name of the key will be the name as returned by GetName().

The option can be a combination of: kSingleKey, kOverwrite or kWriteDelete Using the kOverwrite option a previous key with the same name is overwritten. The previous key is deleted before writing the new object. Using the kWriteDelete option a previous key with the same name is deleted only after the new object has been written. This option is safer than kOverwrite but it is slower. NOTE: Neither kOverwrite nor kWriteDelete reduces the size of a TFile– the space is simply freed up to be overwritten; in the case of a TTree, it is more complicated. If one opens a TTree, appends some entries, then writes it out, the behaviour is effectively the same. If, however, one creates a new TTree and writes it out in this way, only the metadata is replaced, effectively making the old data invisible without deleting it. TTree::Delete() can be used to mark all disk space occupied by a TTree as free before overwriting its metadata this way. The kSingleKey option is only used by TCollection::Write() to write a container with a single key instead of each object in the container with its own key.

An object is read from the file into memory via TKey::Read() or via TObject::Read().

The function returns the total number of bytes written to the file. It returns 0 if the object cannot be written.

Reimplemented in TBuffer, TCollection, TDirectory, TDirectoryFile, TFile, TMap, TParallelMergingFile, TSQLFile, TTree, and TXMLFile.

Definition at line 964 of file TObject.cxx.

Zoom()

Bool_t TGLPerspectiveCamera::Zoom ( Int_t delta, Bool_t mod1, Bool_t mod2 )

overridevirtual

Zoom the camera - 'adjust lens focal length, retaining camera position'.

Arguments are:

• 'delta' - mouse viewport delta (pixels) - +ive zoom in, -ive zoom out
• 'mod1' / 'mod2' - sensitivity modifiers - see TGLCamera::AdjustAndClampVal()

Returns kTRUE is redraw required (camera change), kFALSE otherwise.

Implements TGLCamera.

Definition at line 117 of file TGLPerspectiveCamera.cxx.

Member Data Documentation

fBits

UInt_t TObject::fBits

privateinherited

bit field status word

Definition at line 47 of file TObject.h.

fCacheDirty

Bool_t TGLCamera::fCacheDirty

mutableprotectedinherited

! cached items dirty?

Definition at line 95 of file TGLCamera.h.

fCamBase

TGLMatrix TGLCamera::fCamBase

protectedinherited

Definition at line 76 of file TGLCamera.h.

fCamTrans

TGLMatrix TGLCamera::fCamTrans

protectedinherited

Definition at line 77 of file TGLCamera.h.

fCenter

TGLVector3* TGLCamera::fCenter

protectedinherited

! current camera center

Definition at line 84 of file TGLCamera.h.

fClipM

TGLMatrix TGLCamera::fClipM

mutableprotectedinherited

! object space clip matrix (cached)

Definition at line 100 of file TGLCamera.h.

fDefCenter

TGLVector3 TGLCamera::fDefCenter

protectedinherited

Definition at line 82 of file TGLCamera.h.

fDollyDefault

Double_t TGLCamera::fDollyDefault

protectedinherited

Definition at line 90 of file TGLCamera.h.

fDollyDistance

Double_t TGLCamera::fDollyDistance

protectedinherited

Definition at line 91 of file TGLCamera.h.

fExtCenter

TGLVector3 TGLCamera::fExtCenter

protectedinherited

Definition at line 81 of file TGLCamera.h.

fExternalCenter

Bool_t TGLCamera::fExternalCenter

protectedinherited

Definition at line 78 of file TGLCamera.h.

fFarClip

Double_t TGLCamera::fFarClip

mutableprotectedinherited

! last applied far-clip

Definition at line 87 of file TGLCamera.h.

fFDCenter

TGLVector3 TGLCamera::fFDCenter

protectedinherited

Definition at line 83 of file TGLCamera.h.

fFixDefCenter

Bool_t TGLCamera::fFixDefCenter

protectedinherited

Definition at line 79 of file TGLCamera.h.

fFOV

Double_t TGLPerspectiveCamera::fFOV

private

Definition at line 29 of file TGLPerspectiveCamera.h.

fFrustumPlanes

TGLPlane TGLCamera::fFrustumPlanes[kPlanesPerFrustum]

mutableprotectedinherited

! frustum planes (cached)

Definition at line 101 of file TGLCamera.h.

fgDollyDeltaSens

UInt_t TGLCamera::fgDollyDeltaSens = 500

staticprotectedinherited

Definition at line 112 of file TGLCamera.h.

fgDtorOnly

Longptr_t TObject::fgDtorOnly = 0

staticprivateinherited

object for which to call dtor only (i.e. no delete)

Definition at line 49 of file TObject.h.

fgFOVDefault

Double_t TGLPerspectiveCamera::fgFOVDefault = 30

staticprivate

Definition at line 31 of file TGLPerspectiveCamera.h.

fgFOVDeltaSens

UInt_t TGLPerspectiveCamera::fgFOVDeltaSens = 500

staticprivate

Definition at line 32 of file TGLPerspectiveCamera.h.

fgFOVMax

Double_t TGLPerspectiveCamera::fgFOVMax = 120.0

staticprivate

Definition at line 31 of file TGLPerspectiveCamera.h.

fgFOVMin

Double_t TGLPerspectiveCamera::fgFOVMin = 0.01

staticprivate

Definition at line 31 of file TGLPerspectiveCamera.h.

fgInterestBoxExpansion

const Double_t TGLCamera::fgInterestBoxExpansion = 1.3

staticprivateinherited

! expansion c.f. aligned current frustum box

Definition at line 65 of file TGLCamera.h.

fgObjectStat

Bool_t TObject::fgObjectStat = kTRUE

staticprivateinherited

if true keep track of objects in TObjectTable

Definition at line 50 of file TObject.h.

fInterestBox

TGLBoundingBox TGLCamera::fInterestBox

protectedinherited

! the interest box - created in UpdateInterest()

Definition at line 105 of file TGLCamera.h.

fInterestFrustum

TGLBoundingBox TGLCamera::fInterestFrustum

privateinherited

! frustum basis of current interest box - NOT a true BB! (DEBUG)

Definition at line 62 of file TGLCamera.h.

fInterestFrustumAsBox

TGLBoundingBox TGLCamera::fInterestFrustumAsBox

privateinherited

! frustum basis (as box) of current interest box (DEBUG)

Definition at line 63 of file TGLCamera.h.

fLargestSeen

Double_t TGLCamera::fLargestSeen

mutableprotectedinherited

!

largest box diagonal seen in OfInterest() - used when ! bootstrapping interest box

Definition at line 106 of file TGLCamera.h.

fLastNoPickProjM

TGLMatrix TGLCamera::fLastNoPickProjM

mutableprotectedinherited

! no-pick projection matrix (cached)

Definition at line 97 of file TGLCamera.h.

fModVM

TGLMatrix TGLCamera::fModVM

mutableprotectedinherited

! modelView matrix (cached)

Definition at line 99 of file TGLCamera.h.

fNearClip

Double_t TGLCamera::fNearClip

mutableprotectedinherited

! last applied near-clip

Definition at line 86 of file TGLCamera.h.

fPreviousInterestBox

TGLBoundingBox TGLCamera::fPreviousInterestBox

privateinherited

! previous interest box (DEBUG)

Definition at line 61 of file TGLCamera.h.

fProjM

TGLMatrix TGLCamera::fProjM

mutableprotectedinherited

! projection matrix (cached)

Definition at line 98 of file TGLCamera.h.

fTimeStamp

UInt_t TGLCamera::fTimeStamp

mutableprotectedinherited

! timestamp

Definition at line 96 of file TGLCamera.h.

fUniqueID

UInt_t TObject::fUniqueID

privateinherited

object unique identifier

Definition at line 46 of file TObject.h.

fVAxisMinAngle

Float_t TGLCamera::fVAxisMinAngle

protectedinherited

Definition at line 92 of file TGLCamera.h.

fViewport

TGLRect TGLCamera::fViewport

protectedinherited

! viewport (GL coords - origin bottom left)

Definition at line 103 of file TGLCamera.h.

fWasArcBalled

Bool_t TGLCamera::fWasArcBalled

protectedinherited

Definition at line 80 of file TGLCamera.h.

---

The documentation for this class was generated from the following files:

• graf3d/gl/inc/TGLPerspectiveCamera.h
• graf3d/gl/src/TGLPerspectiveCamera.cxx