DD::Image::ComplexLightOp Class Reference

Inherits DD::Image::LightOp.

Public Member Functions

 ComplexLightOp (Node *node)
 
double hfov () const
 Horizontal field of view.
 
int lightType () const
 
bool is_delta_light () const
 This light has a delta distribution (a cone in 3D)
 
void get_L_vector (LightContext &ltx, const Vector3 &P, const Vector3 &N, Vector3 &L, float &D) const
 Calculate a normalized direction vector L and distance D to surface point P.
 
void get_color (LightContext &ltx, const Vector3 &P, const Vector3 &N, const Vector3 &L, float D, Pixel &out)
 Returns the amount of light stiking the current surface point from the light.
 
void shade_GL (ViewerContext *ctx, int light_num)
 This will set the OpenGL lighting settings.
 
void draw_handle (ViewerContext *ctx)
 Draws the light handle.
 
void _validate (bool for_real)
 This will validate the light node.
 
void knobs (Knob_Callback f)
 
- Public Member Functions inherited from DD::Image::LightOp
 LightOp (Node *node)
 
int samples () const
 
void set_samples (int n)
 
float sample_width () const
 
void set_sample_width (float width)
 
const Pixelcolor () const
 
void color (const Pixel &v)
 
float intensity () const
 
void set_intensity (float v)
 
bool falloff () const
 
void set_falloff (bool b)
 
int falloffType () const
 
void set_falloffType (int b)
 
bool cast_shadows () const
 
void set_cast_shadows (bool b)
 
int shadows_mode () const
 
float alpha_threshold () const
 
TextureFiltershadow_filter ()
 
float depthmap_bias () const
 
void set_depthmap_bias (float v)
 
float shadow_jitter_scale () const
 
void set_shadow_jitter_scale (float v)
 
int depthmap_width () const
 
void set_depthmap_width (int n)
 
void setShadowMaskChannel (Channel &channel)
 
Channel getShadowMaskChannel () const
 
virtual float get_shadowing (const LightContext &ltx, const VertexContext &vtx, const Vector3 &P, Pixel &out)
 Return the amount of shadowing the light creates at surface point P. and optionally copies the shadow mask to the output pixel. More...
 
virtual double vfov () const
 
virtual double aspect () const
 
void _validate (bool for_real)
 
virtual void request (ChannelMask, int count)
 
void knobs (Knob_Callback)
 
int knob_changed (Knob *k)
 
void color_knobs (Knob_Callback)
 
void attenuation_knobs (Knob_Callback)
 
void shadow_knobs (Knob_Callback)
 
unsigned node_color () const
 
void build_handles (ViewerContext *)
 
void draw_handle (ViewerContext *)
 
const char * node_help () const
 This is the light node help.
 
const char * displayName () const
 This is the node display name.
 
const char * Class () const
 
- Public Member Functions inherited from DD::Image::CameraOp
 CameraOp (Node *node)
 
virtual void projection_knobs (Knob_Callback)
 
virtual void lens_knobs (Knob_Callback)
 
void hfov (double v)
 
double film_width () const
 
void film_width (double v)
 
double film_height () const
 
void film_height (double v)
 
double focal_length () const
 
void focal_length (double v)
 
double Near () const
 
void Near (double v)
 
double Far () const
 
void Far (double v)
 
double focal_point () const
 
void focal_point (double v)
 
double fstop () const
 
void fstop (double v)
 
int projection_mode () const
 
void projection_mode (int i)
 
virtual bool projection_is_linear (int mode) const
 
virtual LensFunclens_function (int mode) const
 
virtual LensNFunc * lensNfunction (int mode) const
 
double lens_distort_a () const
 
double lens_distort_b () const
 
double lens_distort_c () const
 
double lens_distort_D () const
 
double lens_distortion () const
 
double lens_power () const
 
bool lens_distort_enabled () const
 
const Vector2win_translate () const
 
const Vector2win_scale () const
 
double win_roll () const
 
const Matrix4projection () const
 
virtual Matrix4 projection (int mode) const
 
virtual Matrix4 projectionAt (const DD::Image::OutputContext &)
 
HandlesMode doAnyHandles (ViewerContext *ctx) override
 
OpHints opHints () const override
 
- Public Member Functions inherited from DD::Image::AxisOp
 AxisOp (Node *, int defaultLookAtAxis=kAxisZPlus)
 
int minimum_inputs () const
 
int maximum_inputs () const
 
virtual const char * input_label (int input, char *) const
 
virtual Oplookat_input () const
 override from LookAt to add the look at pipe to input 1
 
virtual bool lookAtEnabled () const
 by default all the axis look at pipe is disabled
 
void enableAxisKnobs (bool on)
 
void enableKnobs (const std::vector< std::string > &knobNames, bool on)
 
bool test_input (int, Op *) const
 
AxisOpinput0 () const
 
int display3d () const
 
bool selectable () const
 
void display3d (int v)
 
void selectable (bool v)
 
virtual bool isGuiInteractive (Axis_KnobI::Transformation knob) const
 return true if a particular knob transformation is modifiable by user interaction in gui
 
Axis_KnobI * getAxis ()
 
const char * node_shape () const
 
int display3d ()
 
const Matrix4local () const
 
void matrix (const Matrix4 &m)
 
const Matrix4matrix () const
 
const Matrix4imatrix ()
 
virtual void matrixAt (const DD::Image::OutputContext &context, DD::Image::Matrix4 &matrix) const
 
virtual void print_info (std::ostream &o) const
 
- Public Member Functions inherited from DD::Image::Op
PrevalidateResult preValidate (ViewerContext *ctx=nullptr, PreValidateContext *=nullptr)
 
OprootOp () const
 
bool preValidateAborted (int treeStartingVersion, PrevalidateResult &result) const
 
const OutputSetgetOutputs () const
 return all the outputs of this node
 
virtual void setInputsValid (bool nowValid)
 set whether the input ops are valid (are for the right context)
 
bool inputsValid () const
 return whether the input ops are valid (are for the right context)
 
virtual bool can_clone () const
 returns whether or not an op can be cloned in the dag
 
bool haveHash () const
 return true if the hash() value is meaningful and globally unique
 
virtual std::vector< DD::Image::OutputContextgetPrevVersionsWanted () const
 
virtual const MetaData::Bundle_fetchMetaData (const char *keyname)
 
const MetaData::BundlefetchMetaData (const char *keyname)
 
Node * node () const
 
DD::Image::NodeI * getNode () const
 
void node (Node *v)
 
OpfirstOp () const
 
void firstOp (Op *v)
 
Opparent () const
 
void parent (Op *lpOp)
 
virtual void detach ()
 node has been deleted in DAG
 
virtual void attach ()
 node has been created in DAG
 
virtual void pre_write_knobs ()
 
int replace_knobs (Knob *afterthis, int n, void(*f)(void *, Knob_Callback), void *, const char *fileExt=nullptr)
 
int add_knobs (void(*f)(void *, Knob_Callback), void *, Knob_Callback)
 
void set_unlicensed ()
 
Knobknob (const char *name) const
 
Knobknob (int) const
 
bool pushed () const
 
bool panel_visible () const
 
bool node_disabled () const
 
bool node_selected () const
 
unsigned node_gl_color () const
 
void * field (const char *name)
 
void * field (const char *name, int &type)
 
void * set_field (const char *name, const void *source, int size)
 
void * get_field (const char *name, void *dest, int size)
 
void beginHandle (HandleType command, ViewerContext *ctx, EventCallback *cb, int index, float x=0, float y=0, float z=0, ViewerContext::Cursor cursor=ViewerContext::kNoCursor)
 
void endHandle (ViewerContext *ctx)
 
virtual int knob_change_finished (Knob *knob, bool changedByUser=true)
 
void addTime (OpTimer::Category category, long long microsecondsCPU, long long microsecondsWall, bool isTopLevel=true)
 
void getPerformanceInfo (OpTimer::Category category, OpTimer::PerformanceInfo &info) const
 return the amount of CPU time taken by this op
 
virtual bool inputs_clockwise () const
 whether unconnected inputs on the DAG should be arranged clockwise or anticlockwise (default)
 
virtual std::vector< int > input_order () const
 
virtual int inputArrows (int nodeInputs) const
 
bool script_command (const char *command, bool py=true, bool eval=true) const
 
bool script_expand (const char *str) const
 
HandlesMode anyHandles (ViewerContext *ctx)
 
void add_draw_handle (ViewerContext *)
 
virtual void add_input_handle (int input, ViewerContext *)
 
void add_op_handle (ViewerContext *ctx)
 
void add_knob_handle (Knob *, ViewerContext *)
 
virtual int getViewableModes () const
 
virtual int optional_input () const
 
int inputs () const
 
int node_inputs () const
 
Opnode_input (int, GenerateType=OUTPUT_OP) const
 
Opnode_input (int, GenerateType, const DD::Image::OutputContext *outputContext) const
 
Opinput_op (int n=0) const
 
virtual void inputs (int n)
 
Opinput (int) const
 
int inputNumber (int input, int offset) const
 
Opinput (int input, int offset) const
 
Opinput0 () const
 return the primary input More...
 
Opinput1 () const
 return the second input, if it exists More...
 
const std::vector< Op * > & getInputs () const
 
const std::vector< Op * > & getChildren () const
 
virtual void set_input (int i, Op *op, int input, int offset)
 
void set_input0 (Op *op)
 
void set_input (int i, Op *op)
 
void set_input (int i, Op &op)
 
void set_input (int input, int offset, Op *op)
 
const OutputContextoutputContext () const
 
virtual void setOutputContext (const OutputContext &c)
 
virtual void append (Hash &)
 
virtual float uses_input (int) const
 
virtual void build_splits ()
 
virtual int split_input (int) const
 
virtual const OutputContextinputContext (int n, int offset, OutputContext &) const
 
virtual const OutputContextinputUIContext (int n, OutputContext &) const
 
virtual Opdefault_input (int) const
 
const Hashhash () const
 
virtual bool frameTransformImplemented () const
 
virtual bool frameTransformDownstream (const OutputContext &context, unsigned int input, float inFrame, float &outFrame) const
 
virtual bool frameTransformUpstream (const OutputContext &context, unsigned int input, float outFrame, float &inFrame) const
 
virtual DopeItemFlags::Mask getDopeItemFlags () const
 
virtual bool shouldHideInDopeSheet (Knob *knob) const
 
virtual DD::Image::KnobgetDopeItemKnob () const
 
virtual ViewSet viewsProduced () const
 
virtual ViewSet viewsWantOn (int i) const
 
virtual ViewSet splitForViews () const
 
bool requested () const
 
void setRequested ()
 
void forgetRequestShallow ()
 
void forget_request ()
 
void forget_request (std::set< Op * > &forgotten)
 
DD::Image::Hash curveHash () const
 
bool opCurrent () const
 
virtual std::string input_longlabel (int) const
 
void node_redraw ()
 
void print_name (std::ostream &o) const
 
NodeContext nodeContext () const
 
std::string node_name () const
 
void invalidateSameHash ()
 
bool invalidate ()
 
bool invalidate (const Hash &hash)
 
bool update (const Box *=nullptr)
 
void asapUpdate ()
 
void asapUpdate (const Box &box, int direction=0)
 
void validate (bool for_real=true)
 
virtual void force_validate (bool for_real=true)
 
void update_handles () const
 
bool valid () const
 Returns true if it has been validated - including if there was an error. More...
 
bool real_valid () const
 Returns true if it has been real-validated - including if there was an error. More...
 
bool inErrorState () const
 
bool inInvalidState () const
 
bool opened () const
 
void open ()
 
void unopen ()
 
bool running () const
 
void running (bool v)
 
bool not_closed () const
 
void close ()
 
void callCloseAfter (double seconds)
 
void copyState (Op *input)
 
bool cached () const
 
void cached (bool b)
 
virtual bool inUse () const
 
virtual Executableexecutable ()
 
void setKnobsToContext (const OutputContext &)
 
void gotoContext (const OutputContext &, bool update)
 
void progressFraction (double fraction, StatusFlags flags=StatusNone)
 
void progressFraction (int a, int b, StatusFlags flags=StatusNone)
 
void progressMessage (const char *fmt,...)
 
void progressModalMessage (const char *fmt,...)
 
void progressDismiss ()
 
int slowness () const
 
void slowness (int newval)
 
virtual bool firstEngineRendersWholeRequest () const
 
virtual bool updateUI (const OutputContext &context)
 
const Formatinput_format () const
 
const OutputContextuiContext () const
 
void error (const char *fmt,...)
 
void warning (const char *fmt,...)
 
void critical (const char *fmt,...)
 
void debug (const char *fmt,...)
 
void abort () const
 Abort all trees the op is in.
 
bool aborted () const
 True if one of the trees the op is in was aborted; ops should check this while processing and return quickly when true.
 
void cancel () const
 Cancel all trees the op is in. Make sure you also call abort() to stop processing.
 
bool cancelled () const
 True if one of the trees the op is in was cancelled (by user interaction)
 
bool addToTree (OpTree *lpTree)
 Returns true if the op was added to the tree, or false if its reference count increased.
 
bool removeFromTree (OpTree *lpTree)
 Returns false if the op was removed from the tree, or true if its reference count decreased.
 
bool isInTree (OpTree *lpTree) const
 Checks if an op is in a particular tree, for debugging purposes.
 
bool isInAnyTree () const
 Checks if an op is in any tree at all.
 
OpTreeHandlergetTreeHandler () const
 Returns the treeHandler for a given Op.
 
bool hasError () const
 
bool opOrChildHasError () const
 
const OpgetErroredOp () const
 
void setPopUpScheme (PopUpScheme lScheme)
 
PopUpScheme getPopUpScheme () const
 
bool arePopUpsEnabled ()
 Returns whether a pop-up should be enabled for the next message, modifying internal data when necessary.
 
OpMessageHandlergetMsgHandler ()
 
const OpMessageHandlergetMsgHandler () const
 
std::string getDebugInfo () const
 Returns a string of debug information about the op. For internal use.
 
std::string getDetailedDebugInfo () const
 
bool tryValidate (bool for_real=true)
 
virtual Iopiop ()
 Cast to an Iop. This is much cheaper and safer than using dynamic_cast.
 
virtual const Iopiop () const
 
virtual GeoOpgeoOp ()
 Cast to a GeoOp. This is much cheaper and safer than using dynamic_cast.
 
virtual const GeoOpgeoOp () const
 
virtual ParticleOpparticleOp ()
 Cast to a ParticleOp. This is much cheaper and safer than using dynamic_cast.
 
virtual const ParticleOpparticleOp () const
 
virtual DeepOnlyOpdeepOnlyOp ()
 Cast to a DeepOnlyOp. This is much cheaper and safer than using dynamic_cast.
 
virtual const DeepOnlyOpdeepOnlyOp () const
 
virtual std::string getLibraryName () const
 Return a label and version string to display library version info for the Node.
 
virtual VersionInfo getLibraryVersion () const
 
const std::string libraryDisplayName () const
 
virtual std::string docsPath () const
 
virtual bool onAction (const ViewerContext *c, const DD::Image::Flags f, void *d)
 
Opget (const Description *description)
 
- Public Member Functions inherited from DD::Image::LookAt
 LookAt (int defaultLookAxis=kAxisZPlus)
 
void knobs (Knob_Callback f)
 Adds the 'Look' tab and knobs for all the look at options.
 
int knobChanged (Op *parent, Knob *k)
 disables the look at input is not present
 
void lookAt (Matrix4 &matrix)
 performs the look at on the incoming matrix
 
void lookMatrixAt (const OutputContext &oc, Matrix4 &concatMatrix)
 performs the look at on the incoming matrix for a given context
 

Protected Attributes

double _coneAngleNotClamp
 
double _conePenumbraAngleNotClamp
 
double _coneFalloffNotClamp
 
float _coneAngle
 
float _conePenumbraAngle
 
float _coneFalloff
 
float _coneOuterCos
 
float _iconeCos
 
float _coneInnerCos
 
int _lightType
 
double _intensityScale
 
- Protected Attributes inherited from DD::Image::LightOp
Pixel color_
 Color of the light (can be >3 channels!)
 
float intensity_
 Global intensity.
 
bool falloff_
 Whether to factor in physical falloff.
 
int falloffType_
 falloff type
 
int samples_
 The number of samples (for area testing)
 
float sample_width_
 sample width (for shadowing)
 
bool cast_shadows_
 Whether light casts shadows.
 
int shadows_mode_
 Shadow casting mode.
 
TextureFilter shadow_filter_
 Default filter to use in shadow texture sampling.
 
float scene_epsilon_
 Scene epsilon for shadow comparison.
 
float depthmap_bias_
 Offset in Z of shadow buffer.
 
float depthmap_slope_bias_
 Offset in Z to be scale in proportion of the local gradient.
 
float alpha_threshold_
 Alpha threshold for transparent shadow map mode.
 
float shadow_jitter_scale_
 Size of shadow jitter.
 
int depthmap_width_
 Size in pixels of shadow buffer.
 
Channel _shadowMaskChannel
 Output the shadow mask to this channel.
 
- Protected Attributes inherited from DD::Image::CameraOp
double focal_length_
 
double haperture_
 
double vaperture_
 
double near_
 
double far_
 Near and far Z clipping planes.
 
Vector2 win_translate_
 Window coords translate XY.
 
Vector2 win_scale_
 Window coords scale XY.
 
double win_roll_
 Window coords rotate Z.
 
Matrix4 projection_
 Camera's projection matrix.
 
int projection_mode_
 Camera lens projection mode.
 
double focal_point_
 Focal point of camera.
 
double fstop_
 camera fstop
 
bool use_vertical_lock_
 
double lens_distort_a_
 
double lens_distort_b_
 
double lens_distort_c_
 
double lens_distort_D_
 
double lens_distortion_
 
double lens_power_
 
bool lens_distort_enabled_
 
- Protected Attributes inherited from DD::Image::AxisOp
Matrix4 localtransform_
 Local matrix that Axis_Knob fills in.
 
Matrix4 local_
 
Matrix4 matrix_
 Local matrix after look at performed. More...
 
Matrix4 imatrix_
 Inverse object matrix.
 
bool inversion_updated
 Whether imatrix_ is valid.
 
Axis_KnobI * axis_knob
 reference to the transformation knob
 
WorldMatrixProvider * _worldMatrixProvider
 
int display3d_
 GUI display setting.
 
bool selectable_
 GUI selectable checkmark.
 
- Protected Attributes inherited from DD::Image::Op
bool _haveHash
 whether the _hash actually has been set by a call to invalidate(Hash) ever.
 
- Protected Attributes inherited from DD::Image::LookAt
Matrix4 lookat_matrix_
 Matrix for rotating to look at the look input.
 
Matrix4 my_local
 For the Axis_Knob to store into.
 
bool my_transform_normals
 
int my_lookat_axis
 
bool my_rotate_x
 
bool my_rotate_y
 
bool my_rotate_z
 
bool my_lookat_use_quat
 
double my_lookat_strength
 

Additional Inherited Members

- Public Types inherited from DD::Image::LightOp
enum  { eNoFalloff, eLinearFalloff, eQuadraticFalloff, eCubicFalloff }
 
enum  LightType { ePointLight, eDirectionalLight, eSpotLight, eOtherLight }
 
enum  ShadowMode { eSolidShadow, eTransparentShadow, eSemiTransparentShadow }
 
- Public Types inherited from DD::Image::CameraOp
enum  {
  LENS_PERSPECTIVE, LENS_ORTHOGRAPHIC, LENS_UV, LENS_SPHERICAL,
  LENS_RENDER_CAMERA, LENS_USER_CAMERA
}
 
typedef void( LensFunc) (Scene *, CameraOp *, MatrixArray *transforms, const VArray &v, Vector4 &out, void *data)
 
typedef void( LensNFunc) (Scene *, CameraOp *, MatrixArray *transforms, VArray *vert_array, int n, void *data)
 
- Public Types inherited from DD::Image::Op
enum  HandlesMode { eNoHandles, eHandlesUncooked, eHandlesCooked, eHandlesMax }
 
enum  PrevalidateResult { eFinished, eCancelled, eAbandoned }
 This is a tribool return value. Do not extend.
 
enum  HandleType {
  eNone, eMouseLeftClick, eMouseRightClick, eMouseMove,
  eMouseDrag, eMouseRelease, eSelectionChanged, eSelectionChangeFinished,
  eHandleDragTranslate, eHandleDragRotate, eHandleDragScale, eHandleDragPivot,
  eAllHandles
}
 
enum  ViewableModes { eViewableMode2D, eViewableMode3D, eViewableMode3D_2DReference }
 
enum  GenerateType {
  OUTPUT_OP, ANY_CONTEXT, INPUT_OP, INPUT_OP_PEEK,
  EXECUTABLE, EXECUTABLE_SKIP, EXECUTABLE_INPUT, UICONTEXT_ONLY
}
 
enum  NodeContext { eNodeGraph, eTimeline, eOpGraph }
 
enum  StatusFlags { StatusNone, StatusModal, StatusUseCallback }
 
enum  PopUpScheme {
  ePU_Never, ePU_Done, ePU_Once, ePU_Default,
  ePU_Always
}
 Pop-up schemes determine when pop-up messages are displayed for op errors. More...
 
enum  VersionComponents { eMajor, eMinor, ePoint, eRevision }
 
typedef std::pair< int, DD::Image::Op * > Output
 Combination of input number and pointer to Op.
 
typedef std::set< OutputOutputSet
 Set of all outputs from this Op.
 
typedef std::map< Hash, std::vector< unsigned int > > ItemSelectionList
 
typedef bool( EventCallback) (Op *op, EventContext eventCtx)
 
using VersionInfo = std::tuple< int, int, int, int >
 
- Static Public Member Functions inherited from DD::Image::CameraOp
static void to_format (Matrix4 &, const Format *)
 
static void from_format (Matrix4 &, const Format *)
 
static CameraOpdefault_camera ()
 
- Static Public Member Functions inherited from DD::Image::Op
static int treeVersion ()
 get the current tree version
 
static bool nukeBusy ()
 is nuke processing something on a parallel thread?
 
static Opcreate (Node *node, const char *name, Op *p_op)
 
static Opcreate (const char *name, Op *p_op)
 
static void resetTimers ()
 reset all the performance timers
 
static void setTimingEnabled (bool enabled)
 turn performance timing on or off
 
static bool isTimingEnabled ()
 return whether performance timing is on or not
 
static const char * script_result (bool py=false)
 
static void script_unlock ()
 
static void all_forget_request ()
 
static void new_request_pass ()
 
static double callPendingClose (double seconds)
 
static void clearPendingClose ()
 
static Operror_op ()
 
static const char * error_message ()
 
static void clearAbortAndError ()
 To be removed.
 
static void SetDefaultPopUpEnable (bool lEnable)
 This is used by Nuke to indicate when ops using the default pop-up scheme should show pop-ups. Not recommended for customisation.
 
static std::string getVersionInfoStr (const VersionInfo &versionInfo)
 
static const Descriptionfind_description (const char *name, const Op *op_)
 
static int message_f (char t, const char *,...)
 
static int message_vf (char t, const char *, va_list)
 
static void add_timeout (float t, TimeoutHandler, void *v=nullptr)
 
static void repeat_timeout (float t, TimeoutHandler, void *=nullptr)
 
static bool has_timeout (TimeoutHandler, void *=nullptr)
 
static void remove_timeout (TimeoutHandler, void *=nullptr)
 
- Public Attributes inherited from DD::Image::Op
const MetaData::BundlemetaCache
 
Hash metaCacheHash
 
- Static Public Attributes inherited from DD::Image::LightOp
static const Description description
 
- Static Public Attributes inherited from DD::Image::CameraOp
static const char * projection_modes []
 
static const char * projection_modes_renderer []
 
static const Description description
 
- Static Public Attributes inherited from DD::Image::AxisOp
static const Description description
 
- Static Public Attributes inherited from DD::Image::Op
static unsigned current_request_pass
 
static void(* node_redraw_cb )(const Op *)
 
static void(* print_name_cb )(std::ostream &, const Op *)
 
static void(* status_callback )(const Op *, float, float, const char *, StatusFlags)
 
static constexpr int kInvalidVersion
 
static constexpr VersionInfo kUnsetVersion
 
- Protected Types inherited from DD::Image::LookAt
enum  {
  kAxisZPlus, kAxisZMinus, kAxisYPlus, kAxisYMinus,
  kAxisXPlus, kAxisXMinus
}
 
- Protected Member Functions inherited from DD::Image::Op
 Op (Node *node)
 The constructor is protected so only subclasses can create the base class.
 
virtual void _invalidate ()
 
virtual void _open ()
 
virtual void _close ()
 
Opcreate (Node *node, const char *name)
 
Opcreate (const char *name)
 
HandlesMode anyInputHandles (ViewerContext *)
 return if any of the inputs (recursively) wish to draw handles More...
 
HandlesMode anyKnobHandles (ViewerContext *)
 return if any of the knobs on this node wish to draw handles More...
 
void build_input_handles (ViewerContext *)
 
void build_knob_handles (ViewerContext *)
 
void disallowNoTrees ()
 Call this to tell the op that it should always have op trees for normal behaviour (for internal use)
 
virtual PrevalidateResult doPreValidate (ViewerContext *ctx=nullptr, PreValidateContext *=nullptr)
 
- Protected Member Functions inherited from DD::Image::LookAt
void perform_lookat (Matrix4 &concatMatrix, const Matrix4 &axisMatrix)
 
- Static Protected Attributes inherited from DD::Image::LookAt
static const char *const ms_lookat_axis_choices []
 

Detailed Description

Light source base class that provides either a point source with falloff (as per LightOp), but also adds the options of a directional light and a spotlight



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