VTK
9.3.20240831
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a virtual light object for tweaking existing lights in an external 3D rendering context More...
#include <vtkExternalLight.h>
Public Types | |
enum | ReplaceModes { INDIVIDUAL_PARAMS = 0 , ALL_PARAMS = 1 } |
typedef vtkLight | Superclass |
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typedef vtkObject | Superclass |
Public Member Functions | |
virtual vtkTypeBool | IsA (const char *type) |
Return 1 if this class is the same type of (or a subclass of) the named class. | |
vtkExternalLight * | NewInstance () const |
void | PrintSelf (ostream &os, vtkIndent indent) override |
Methods invoked by print to print information about the object including superclasses. | |
void | SetPosition (double, double, double) override |
Override Set method to keep a record of changed value. | |
void | SetFocalPoint (double, double, double) override |
Override Set method to keep a record of changed value. | |
void | SetAmbientColor (double, double, double) override |
Override Set method to keep a record of changed value. | |
void | SetDiffuseColor (double, double, double) override |
Override Set method to keep a record of changed value. | |
void | SetSpecularColor (double, double, double) override |
Override Set method to keep a record of changed value. | |
void | SetIntensity (double) override |
Override Set method to keep a record of changed value. | |
void | SetConeAngle (double) override |
Override Set method to keep a record of changed value. | |
void | SetAttenuationValues (double, double, double) override |
Override Set method to keep a record of changed value. | |
void | SetExponent (double) override |
Override Set method to keep a record of changed value. | |
void | SetPositional (vtkTypeBool) override |
Override Set method to keep a record of changed value. | |
virtual void | SetPosition (double, double, double) |
Set/Get the position of the light. | |
virtual void | SetPosition (double[3]) |
Set/Get the position of the light. | |
void | SetPosition (const float *a) |
virtual void | SetFocalPoint (double, double, double) |
Set/Get the point at which the light is shining. | |
virtual void | SetFocalPoint (double[3]) |
Set/Get the point at which the light is shining. | |
void | SetFocalPoint (const float *a) |
virtual void | SetAmbientColor (double, double, double) |
Set/Get the color of the light. | |
virtual void | SetAmbientColor (double[3]) |
Set/Get the color of the light. | |
virtual void | SetDiffuseColor (double, double, double) |
Set/Get the color of the light. | |
virtual void | SetDiffuseColor (double[3]) |
Set/Get the color of the light. | |
virtual void | SetSpecularColor (double, double, double) |
Set/Get the color of the light. | |
virtual void | SetSpecularColor (double[3]) |
Set/Get the color of the light. | |
virtual void | SetAttenuationValues (double, double, double) |
Set/Get the quadratic attenuation constants. | |
virtual void | SetAttenuationValues (double[3]) |
Set/Get the quadratic attenuation constants. | |
virtual void | SetLightIndex (int) |
Set/Get light index This should be the OpenGL light identifier. | |
virtual int | GetLightIndex () |
Set/Get light index This should be the OpenGL light identifier. | |
virtual void | SetReplaceMode (int) |
Set/Get replace mode This determines how this ExternalLight will be used to tweak parameters on an existing light in the rendering context. | |
virtual int | GetReplaceMode () |
Set/Get replace mode This determines how this ExternalLight will be used to tweak parameters on an existing light in the rendering context. | |
virtual bool | GetPositionSet () |
Check whether value set by user. | |
virtual bool | GetFocalPointSet () |
Check whether value set by user. | |
virtual bool | GetAmbientColorSet () |
Check whether value set by user. | |
virtual bool | GetDiffuseColorSet () |
Check whether value set by user. | |
virtual bool | GetSpecularColorSet () |
Check whether value set by user. | |
virtual bool | GetIntensitySet () |
Check whether value set by user. | |
virtual bool | GetConeAngleSet () |
Check whether value set by user. | |
virtual bool | GetAttenuationValuesSet () |
Check whether value set by user. | |
virtual bool | GetExponentSet () |
Check whether value set by user. | |
virtual bool | GetPositionalSet () |
Check whether value set by user. | |
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virtual vtkTypeBool | IsA (const char *type) |
Return 1 if this class is the same type of (or a subclass of) the named class. | |
vtkLight * | NewInstance () const |
void | PrintSelf (ostream &os, vtkIndent indent) override |
Methods invoked by print to print information about the object including superclasses. | |
virtual vtkLight * | ShallowClone () |
Create a new light object with the same light parameters than the current object (any ivar from the superclasses (vtkObject and vtkObjectBase), like reference counting, timestamp and observers are not copied). | |
virtual void | Render (vtkRenderer *, int) |
Abstract interface to renderer. | |
void | TransformPoint (double a[3], double b[3]) |
Use transform matrix to transform point (if it exists). | |
void | TransformVector (double a[3], double b[3]) |
Use transform matrix to transform vector (if it exists). | |
void | DeepCopy (vtkLight *light) |
Perform deep copy of this light. | |
virtual double * | GetAmbientColor () |
Set/Get the color of the light. | |
virtual void | GetAmbientColor (double data[3]) |
Set/Get the color of the light. | |
virtual double * | GetDiffuseColor () |
Set/Get the color of the light. | |
virtual void | GetDiffuseColor (double data[3]) |
Set/Get the color of the light. | |
virtual double * | GetSpecularColor () |
Set/Get the color of the light. | |
virtual void | GetSpecularColor (double data[3]) |
Set/Get the color of the light. | |
void | SetColor (double, double, double) |
Set/Get the color of the light. | |
void | SetColor (const double a[3]) |
Set/Get the color of the light. | |
virtual double * | GetPosition () |
Set/Get the position of the light. | |
virtual void | GetPosition (double data[3]) |
Set/Get the position of the light. | |
void | SetPosition (const float *a) |
Set/Get the position of the light. | |
virtual double * | GetFocalPoint () |
Set/Get the point at which the light is shining. | |
virtual void | GetFocalPoint (double data[3]) |
Set/Get the point at which the light is shining. | |
void | SetFocalPoint (const float *a) |
Set/Get the point at which the light is shining. | |
virtual double | GetIntensity () |
Set/Get the brightness of the light (from one to zero). | |
virtual void | SetSwitch (vtkTypeBool) |
Turn the light on or off. | |
virtual vtkTypeBool | GetSwitch () |
Turn the light on or off. | |
virtual void | SwitchOn () |
Turn the light on or off. | |
virtual void | SwitchOff () |
Turn the light on or off. | |
virtual vtkTypeBool | GetPositional () |
Turn positional lighting on or off. | |
virtual void | PositionalOn () |
Turn positional lighting on or off. | |
virtual void | PositionalOff () |
Turn positional lighting on or off. | |
virtual double | GetExponent () |
Set/Get the exponent of the cosine used in positional lighting. | |
virtual double | GetConeAngle () |
Set/Get the lighting cone angle of a positional light in degrees. | |
virtual double * | GetAttenuationValues () |
Set/Get the quadratic attenuation constants. | |
virtual void | GetAttenuationValues (double data[3]) |
Set/Get the quadratic attenuation constants. | |
virtual void | SetTransformMatrix (vtkMatrix4x4 *) |
Set/Get the light's transformation matrix. | |
virtual vtkMatrix4x4 * | GetTransformMatrix () |
Set/Get the light's transformation matrix. | |
void | GetTransformedPosition (double &x, double &y, double &z) |
Get the position of the light, modified by the transformation matrix (if it exists). | |
void | GetTransformedPosition (double a[3]) |
Get the position of the light, modified by the transformation matrix (if it exists). | |
double * | GetTransformedPosition () |
Get the position of the light, modified by the transformation matrix (if it exists). | |
void | GetTransformedFocalPoint (double &x, double &y, double &z) |
Get the focal point of the light, modified by the transformation matrix (if it exists). | |
void | GetTransformedFocalPoint (double a[3]) |
Get the focal point of the light, modified by the transformation matrix (if it exists). | |
double * | GetTransformedFocalPoint () |
Get the focal point of the light, modified by the transformation matrix (if it exists). | |
void | SetDirectionAngle (double elevation, double azimuth) |
Set the position and focal point of a light based on elevation and azimuth. | |
void | SetDirectionAngle (const double ang[2]) |
Set the position and focal point of a light based on elevation and azimuth. | |
virtual void | SetLightType (int) |
Set/Get the type of the light. | |
virtual int | GetLightType () |
Set/Get the type of the light. | |
void | SetLightTypeToHeadlight () |
Set/Get the type of the light. | |
void | SetLightTypeToSceneLight () |
Set/Get the type of the light. | |
void | SetLightTypeToCameraLight () |
Set/Get the type of the light. | |
int | LightTypeIsHeadlight () |
Query the type of the light. | |
int | LightTypeIsSceneLight () |
Query the type of the light. | |
int | LightTypeIsCameraLight () |
Query the type of the light. | |
virtual void | SetShadowAttenuation (float) |
Set/Get the shadow intensity By default a light will be completely blocked when in shadow by setting this value to less than 1.0 you can control how much light is attenuated when in shadow. | |
virtual float | GetShadowAttenuation () |
Set/Get the shadow intensity By default a light will be completely blocked when in shadow by setting this value to less than 1.0 you can control how much light is attenuated when in shadow. | |
virtual vtkInformation * | GetInformation () |
Set/Get the information object associated with the light. | |
virtual void | SetInformation (vtkInformation *) |
Set/Get the information object associated with the light. | |
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vtkBaseTypeMacro (vtkObject, vtkObjectBase) | |
virtual void | DebugOn () |
Turn debugging output on. | |
virtual void | DebugOff () |
Turn debugging output off. | |
bool | GetDebug () |
Get the value of the debug flag. | |
void | SetDebug (bool debugFlag) |
Set the value of the debug flag. | |
virtual void | Modified () |
Update the modification time for this object. | |
virtual vtkMTimeType | GetMTime () |
Return this object's modified time. | |
void | PrintSelf (ostream &os, vtkIndent indent) override |
Methods invoked by print to print information about the object including superclasses. | |
void | RemoveObserver (unsigned long tag) |
void | RemoveObservers (unsigned long event) |
void | RemoveObservers (const char *event) |
void | RemoveAllObservers () |
vtkTypeBool | HasObserver (unsigned long event) |
vtkTypeBool | HasObserver (const char *event) |
vtkTypeBool | InvokeEvent (unsigned long event) |
vtkTypeBool | InvokeEvent (const char *event) |
std::string | GetObjectDescription () const override |
The object description printed in messages and PrintSelf output. | |
unsigned long | AddObserver (unsigned long event, vtkCommand *, float priority=0.0f) |
Allow people to add/remove/invoke observers (callbacks) to any VTK object. | |
unsigned long | AddObserver (const char *event, vtkCommand *, float priority=0.0f) |
Allow people to add/remove/invoke observers (callbacks) to any VTK object. | |
vtkCommand * | GetCommand (unsigned long tag) |
Allow people to add/remove/invoke observers (callbacks) to any VTK object. | |
void | RemoveObserver (vtkCommand *) |
Allow people to add/remove/invoke observers (callbacks) to any VTK object. | |
void | RemoveObservers (unsigned long event, vtkCommand *) |
Allow people to add/remove/invoke observers (callbacks) to any VTK object. | |
void | RemoveObservers (const char *event, vtkCommand *) |
Allow people to add/remove/invoke observers (callbacks) to any VTK object. | |
vtkTypeBool | HasObserver (unsigned long event, vtkCommand *) |
Allow people to add/remove/invoke observers (callbacks) to any VTK object. | |
vtkTypeBool | HasObserver (const char *event, vtkCommand *) |
Allow people to add/remove/invoke observers (callbacks) to any VTK object. | |
template<class U , class T > | |
unsigned long | AddObserver (unsigned long event, U observer, void(T::*callback)(), float priority=0.0f) |
Overloads to AddObserver that allow developers to add class member functions as callbacks for events. | |
template<class U , class T > | |
unsigned long | AddObserver (unsigned long event, U observer, void(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f) |
Overloads to AddObserver that allow developers to add class member functions as callbacks for events. | |
template<class U , class T > | |
unsigned long | AddObserver (unsigned long event, U observer, bool(T::*callback)(vtkObject *, unsigned long, void *), float priority=0.0f) |
Allow user to set the AbortFlagOn() with the return value of the callback method. | |
vtkTypeBool | InvokeEvent (unsigned long event, void *callData) |
This method invokes an event and return whether the event was aborted or not. | |
vtkTypeBool | InvokeEvent (const char *event, void *callData) |
This method invokes an event and return whether the event was aborted or not. | |
virtual void | SetObjectName (const std::string &objectName) |
Set/get the name of this object for reporting purposes. | |
virtual std::string | GetObjectName () const |
Set/get the name of this object for reporting purposes. | |
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const char * | GetClassName () const |
Return the class name as a string. | |
virtual std::string | GetObjectDescription () const |
The object description printed in messages and PrintSelf output. | |
virtual vtkTypeBool | IsA (const char *name) |
Return 1 if this class is the same type of (or a subclass of) the named class. | |
virtual vtkIdType | GetNumberOfGenerationsFromBase (const char *name) |
Given the name of a base class of this class type, return the distance of inheritance between this class type and the named class (how many generations of inheritance are there between this class and the named class). | |
virtual void | Delete () |
Delete a VTK object. | |
virtual void | FastDelete () |
Delete a reference to this object. | |
void | InitializeObjectBase () |
void | Print (ostream &os) |
Print an object to an ostream. | |
void | Register (vtkObjectBase *o) |
Increase the reference count (mark as used by another object). | |
virtual void | UnRegister (vtkObjectBase *o) |
Decrease the reference count (release by another object). | |
int | GetReferenceCount () |
Return the current reference count of this object. | |
void | SetReferenceCount (int) |
Sets the reference count. | |
bool | GetIsInMemkind () const |
A local state flag that remembers whether this object lives in the normal or extended memory space. | |
virtual void | PrintHeader (ostream &os, vtkIndent indent) |
Methods invoked by print to print information about the object including superclasses. | |
virtual void | PrintTrailer (ostream &os, vtkIndent indent) |
Methods invoked by print to print information about the object including superclasses. | |
virtual bool | UsesGarbageCollector () const |
Indicate whether the class uses vtkGarbageCollector or not. | |
Static Public Member Functions | |
static vtkTypeBool | IsTypeOf (const char *type) |
static vtkExternalLight * | SafeDownCast (vtkObjectBase *o) |
static vtkExternalLight * | New () |
Create an external light object with the focal point at the origin and its position set to (0,0,1). | |
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static vtkTypeBool | IsTypeOf (const char *type) |
static vtkLight * | SafeDownCast (vtkObjectBase *o) |
static vtkLight * | New () |
Create a light with the focal point at the origin and its position set to (0,0,1). | |
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static vtkObject * | New () |
Create an object with Debug turned off, modified time initialized to zero, and reference counting on. | |
static void | BreakOnError () |
This method is called when vtkErrorMacro executes. | |
static void | SetGlobalWarningDisplay (vtkTypeBool val) |
This is a global flag that controls whether any debug, warning or error messages are displayed. | |
static void | GlobalWarningDisplayOn () |
This is a global flag that controls whether any debug, warning or error messages are displayed. | |
static void | GlobalWarningDisplayOff () |
This is a global flag that controls whether any debug, warning or error messages are displayed. | |
static vtkTypeBool | GetGlobalWarningDisplay () |
This is a global flag that controls whether any debug, warning or error messages are displayed. | |
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static vtkTypeBool | IsTypeOf (const char *name) |
Return 1 if this class type is the same type of (or a subclass of) the named class. | |
static vtkIdType | GetNumberOfGenerationsFromBaseType (const char *name) |
Given a the name of a base class of this class type, return the distance of inheritance between this class type and the named class (how many generations of inheritance are there between this class and the named class). | |
static vtkObjectBase * | New () |
Create an object with Debug turned off, modified time initialized to zero, and reference counting on. | |
static void | SetMemkindDirectory (const char *directoryname) |
The name of a directory, ideally mounted -o dax, to memory map an extended memory space within. | |
static bool | GetUsingMemkind () |
A global state flag that controls whether vtkObjects are constructed in the usual way (the default) or within the extended memory space. | |
Protected Member Functions | |
virtual vtkObjectBase * | NewInstanceInternal () const |
vtkExternalLight () | |
~vtkExternalLight () override | |
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virtual vtkObjectBase * | NewInstanceInternal () const |
vtkLight () | |
~vtkLight () override | |
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vtkObject () | |
~vtkObject () override | |
void | RegisterInternal (vtkObjectBase *, vtkTypeBool check) override |
void | UnRegisterInternal (vtkObjectBase *, vtkTypeBool check) override |
void | InternalGrabFocus (vtkCommand *mouseEvents, vtkCommand *keypressEvents=nullptr) |
These methods allow a command to exclusively grab all events. | |
void | InternalReleaseFocus () |
These methods allow a command to exclusively grab all events. | |
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vtkObjectBase () | |
virtual | ~vtkObjectBase () |
virtual void | RegisterInternal (vtkObjectBase *, vtkTypeBool check) |
virtual void | UnRegisterInternal (vtkObjectBase *, vtkTypeBool check) |
virtual void | ReportReferences (vtkGarbageCollector *) |
virtual void | ObjectFinalize () |
vtkObjectBase (const vtkObjectBase &) | |
void | operator= (const vtkObjectBase &) |
Protected Attributes | |
int | LightIndex |
int | ReplaceMode |
bool | PositionSet |
bool | FocalPointSet |
bool | AmbientColorSet |
bool | DiffuseColorSet |
bool | SpecularColorSet |
bool | IntensitySet |
bool | ConeAngleSet |
bool | AttenuationValuesSet |
bool | ExponentSet |
bool | PositionalSet |
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double | FocalPoint [3] |
double | Position [3] |
double | Intensity |
double | AmbientColor [3] |
double | DiffuseColor [3] |
double | SpecularColor [3] |
vtkTypeBool | Switch |
vtkTypeBool | Positional |
double | Exponent |
double | ConeAngle |
double | AttenuationValues [3] |
vtkMatrix4x4 * | TransformMatrix |
double | TransformedFocalPointReturn [3] |
double | TransformedPositionReturn [3] |
int | LightType |
float | ShadowAttenuation |
vtkInformation * | Information |
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bool | Debug |
vtkTimeStamp | MTime |
vtkSubjectHelper * | SubjectHelper |
std::string | ObjectName |
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std::atomic< int32_t > | ReferenceCount |
vtkWeakPointerBase ** | WeakPointers |
Additional Inherited Members | |
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static vtkMallocingFunction | GetCurrentMallocFunction () |
static vtkReallocingFunction | GetCurrentReallocFunction () |
static vtkFreeingFunction | GetCurrentFreeFunction () |
static vtkFreeingFunction | GetAlternateFreeFunction () |
a virtual light object for tweaking existing lights in an external 3D rendering context
vtkExternalLight is a virtual light object for tweaking existing lights in an external 3D rendering context. It provides a mechanism to adjust and control parameters of existing lights in an external OpenGL context.
It provides methods to locate and point the light, and set its brightness and color. In addition to the basic infinite distance point light source attributes, you can also specify the light attenuation values and cone angle. These attributes are only used if the light is a positional light.
By default, vtkExternalLight overrides specific light parameters as set by the user. Setting the ReplaceMode to ALL_PARAMS, will set all the light parameter values to the ones set in vtkExternalLight.
Definition at line 51 of file vtkExternalLight.h.
typedef vtkLight vtkExternalLight::Superclass |
Definition at line 54 of file vtkExternalLight.h.
Enumerator | |
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INDIVIDUAL_PARAMS | |
ALL_PARAMS |
Definition at line 68 of file vtkExternalLight.h.
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Return 1 if this class is the same type of (or a subclass of) the named class.
Returns 0 otherwise. This method works in combination with vtkTypeMacro found in vtkSetGet.h.
Reimplemented from vtkLight.
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Reimplemented from vtkLight.
vtkExternalLight * vtkExternalLight::NewInstance | ( | ) | const |
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Methods invoked by print to print information about the object including superclasses.
Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes.
Reimplemented from vtkObjectBase.
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Create an external light object with the focal point at the origin and its position set to (0,0,1).
The light is a Headlight, its color is white (black ambient, white diffuse, white specular), intensity=1, the light is turned on, positional lighting is off, ConeAngle=30, AttenuationValues=(1,0,0), Exponent=1 and the TransformMatrix is NULL. The light index is GL_LIGHT0, which means the existing light with index GL_LIGHT0 will be affected by this light.
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Set/Get light index This should be the OpenGL light identifier.
(e.g.: GL_LIGHT0) (Default: GL_LIGHT0)
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Set/Get light index This should be the OpenGL light identifier.
(e.g.: GL_LIGHT0) (Default: GL_LIGHT0)
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Set/Get replace mode This determines how this ExternalLight will be used to tweak parameters on an existing light in the rendering context.
(Default: INDIVIDUAL_PARAMS)
vtkExternalLight::INDIVIDUAL_PARAMS
: Replace parameters specifically set by the user by calling the parameter Set method. (e.g. SetDiffuseColor())vtkExternalLight::ALL_PARAMS
: Replace all parameters of the light with the parameters in vtkExternalLight object.
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Set/Get replace mode This determines how this ExternalLight will be used to tweak parameters on an existing light in the rendering context.
(Default: INDIVIDUAL_PARAMS)
vtkExternalLight::INDIVIDUAL_PARAMS
: Replace parameters specifically set by the user by calling the parameter Set method. (e.g. SetDiffuseColor())vtkExternalLight::ALL_PARAMS
: Replace all parameters of the light with the parameters in vtkExternalLight object.
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Override Set method to keep a record of changed value.
Reimplemented from vtkLight.
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overridevirtual |
Override Set method to keep a record of changed value.
Reimplemented from vtkLight.
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overridevirtual |
Override Set method to keep a record of changed value.
Reimplemented from vtkLight.
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overridevirtual |
Override Set method to keep a record of changed value.
Reimplemented from vtkLight.
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overridevirtual |
Override Set method to keep a record of changed value.
Reimplemented from vtkLight.
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overridevirtual |
Override Set method to keep a record of changed value.
Reimplemented from vtkLight.
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overridevirtual |
Override Set method to keep a record of changed value.
Reimplemented from vtkLight.
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overridevirtual |
Override Set method to keep a record of changed value.
Reimplemented from vtkLight.
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overridevirtual |
Override Set method to keep a record of changed value.
Reimplemented from vtkLight.
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overridevirtual |
Override Set method to keep a record of changed value.
Reimplemented from vtkLight.
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Check whether value set by user.
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Check whether value set by user.
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Check whether value set by user.
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Check whether value set by user.
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Check whether value set by user.
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Check whether value set by user.
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Check whether value set by user.
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Check whether value set by user.
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Check whether value set by user.
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Check whether value set by user.
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Set/Get the position of the light.
Note: The position of the light is defined in the coordinate space indicated by its transformation matrix (if it exists). Thus, to get the light's world space position, use vtkGetTransformedPosition() instead of vtkGetPosition().
Reimplemented from vtkLight.
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Set/Get the position of the light.
Note: The position of the light is defined in the coordinate space indicated by its transformation matrix (if it exists). Thus, to get the light's world space position, use vtkGetTransformedPosition() instead of vtkGetPosition().
Reimplemented from vtkLight.
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Definition at line 217 of file vtkLight.h.
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Set/Get the point at which the light is shining.
Note: The focal point of the light is defined in the coordinate space indicated by its transformation matrix (if it exists). Thus, to get the light's world space focal point, use vtkGetTransformedFocalPoint() instead of vtkGetFocalPoint().
Reimplemented from vtkLight.
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Set/Get the point at which the light is shining.
Note: The focal point of the light is defined in the coordinate space indicated by its transformation matrix (if it exists). Thus, to get the light's world space focal point, use vtkGetTransformedFocalPoint() instead of vtkGetFocalPoint().
Reimplemented from vtkLight.
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Definition at line 230 of file vtkLight.h.
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Set/Get the color of the light.
It is possible to set the ambient, diffuse and specular colors separately. The SetColor() method sets the diffuse and specular colors to the same color (this is a feature to preserve backward compatibility.)
Reimplemented from vtkLight.
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Set/Get the color of the light.
It is possible to set the ambient, diffuse and specular colors separately. The SetColor() method sets the diffuse and specular colors to the same color (this is a feature to preserve backward compatibility.)
Reimplemented from vtkLight.
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Set/Get the color of the light.
It is possible to set the ambient, diffuse and specular colors separately. The SetColor() method sets the diffuse and specular colors to the same color (this is a feature to preserve backward compatibility.)
Reimplemented from vtkLight.
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Set/Get the color of the light.
It is possible to set the ambient, diffuse and specular colors separately. The SetColor() method sets the diffuse and specular colors to the same color (this is a feature to preserve backward compatibility.)
Reimplemented from vtkLight.
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Set/Get the color of the light.
It is possible to set the ambient, diffuse and specular colors separately. The SetColor() method sets the diffuse and specular colors to the same color (this is a feature to preserve backward compatibility.)
Reimplemented from vtkLight.
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Set/Get the color of the light.
It is possible to set the ambient, diffuse and specular colors separately. The SetColor() method sets the diffuse and specular colors to the same color (this is a feature to preserve backward compatibility.)
Reimplemented from vtkLight.
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Set/Get the quadratic attenuation constants.
They are specified as constant, linear, and quadratic, in that order.
Reimplemented from vtkLight.
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Set/Get the quadratic attenuation constants.
They are specified as constant, linear, and quadratic, in that order.
Reimplemented from vtkLight.
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Definition at line 232 of file vtkExternalLight.h.
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Definition at line 233 of file vtkExternalLight.h.
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Definition at line 235 of file vtkExternalLight.h.
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Definition at line 236 of file vtkExternalLight.h.
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Definition at line 237 of file vtkExternalLight.h.
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Definition at line 238 of file vtkExternalLight.h.
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Definition at line 239 of file vtkExternalLight.h.
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Definition at line 240 of file vtkExternalLight.h.
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Definition at line 241 of file vtkExternalLight.h.
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Definition at line 242 of file vtkExternalLight.h.
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Definition at line 243 of file vtkExternalLight.h.
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Definition at line 244 of file vtkExternalLight.h.