Nuke binary plugins 15.0.5
 
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DD::Image::AxisOp Class Reference

AxisOp is the base class for all the 3D 'scene' objects like locators (usg::XformPrim), cameras (usg::CameraPrim) and lights (usg::tbd). More...

#include <AxisOp.h>

Inheritance diagram for DD::Image::AxisOp:
DD::Image::GeomOp DD::Image::LookAt DD::Image::Op DD::Image::CameraOp DD::Image::LightOp DD::Image::ComplexLightOp

Public Member Functions

 AxisOp (Node *node, GeomOpEngine::Builder engine_ctor, int defaultLookAtAxis=LookAt::kAxisZPlus)
 
 AxisOp (Node *node, int defaultLookAtAxis=LookAt::kAxisZPlus)
 Backwards-compatible ctor.
 
const AxisOpaxisOp () const override
 Cast this Op to an AxisOp. This is much cheaper and safer than using dynamic_cast.
 
AxisOpaxisOp () override
 
AxisOpparentInputOp () const
 Convenience that casts parent input 0 to an AxisOp.
 
GeomOpsceneInputOp () const
 Convenience that casts input sceneImporterInput() to a GeomOp.
 
int32_t parentInput () const
 Return the node input to use for the parent axis source. Always defaults to input 0.
 
virtual int32_t sceneImporterInput () const
 Return the node input to use for the scene importer. Default returns optional_input().
 
const char * node_shape () const override
 Draw a circular node shape.
 
unsigned node_color () const override
 
int minimum_inputs () const override
 Default is 2: axis and scene(optional)
 
int maximum_inputs () const override
 Default is 2: axis and scene(optional)
 
int optional_input () const override
 Optional input index is the scene-importer input. This returns (maximum_inputs()-1).
 
bool test_input (int node_input, Op *op) const override
 AxisOp and null works on 0, and GeomOp or null on input 1.
 
Opdefault_input (int node_input) const override
 Returns null for all inputs. Override this so Op::test_input() doesn't produce warnings.
 
const char * input_label (int node_input, char *) const override
 
 mFnDeprecatedInNuke14 ("isLegacyAxisOp() has been deprecated, port AxisOp sublass to new Nuke 14 api.") bool isLegacyAxisOp() const
 
const std::string & primName () const
 Return the name of the prim created by this node. Stored in AxisEngine.
 
const usg::Path & primFullPath () const
 Return the full path of this prim and all its parents. Stored in AxisEngine.
 
int updateScenePrim (bool force=false)
 
virtual int importScenePrim (const usg::StageRef &stage, const std::string &prim_path)
 
template<typename T >
size_t getAttribValuesTimeWarped (const usg::Attribute &attr, double attr_fps, fdk::TimeValueList &times, std::vector< T > &values) const
 
template<typename T >
bool copyAttribToKnobTimeWarped (const usg::Attribute &attr, double attr_fps, Knob *knob, bool force_keys, int32_t channel_start_offset, int32_t view) const
 
fdk::TimeValueList getOutputSampleTimes (const fdk::TimeValueList &input_times, double input_fps=0.0) const
 
usg::StageRef getStage () override
 
void knobs (Knob_Callback f) override
 
void createAxisOpKnobs (Knob_Callback f, const std::string &filters="")
 create the Axis Op Knobs and set a custom filter to use on the popup
 
void setOutputContext (const OutputContext &context) override
 Called by Nuke immediately AFTER Op::knobs(). We use this to update the importer values.
 
int knob_changed (Knob *k) override
 
void appendGeomState (DD::Image::Hash &op_hash) override
 Adds the node name to the node hash for invalidation on changes.
 
virtual void addDisplayOptionsKnobs (Knob_Callback f)
 Adds the OpenGL display option controls.
 
virtual void addFileImportKnobs (Knob_Callback f)
 Add the file path and import enable knobs.
 
virtual void addCreateOptionsKnobs (Knob_Callback f, const std::string &filters="")
 Adds the create/import, prim path, etc knobs.
 
virtual void addScenePrimImporterKnobs (Knob_Callback f, bool group_open, bool add_time_options, bool add_xform_options)
 
virtual void addLocalParentingKnobs (Knob_Callback f, bool add_sync_options=true)
 
virtual void addLocalXformKnobs (Knob_Callback f, bool add_sync_options=true)
 
virtual void addTransformKnobs (Knob_Callback f, bool add_sync_options=true)
 
Axis_KnobI * getAxis ()
 Return internal 'transform' Axis_Knob for set/get internal transformation.
 
virtual void addExtraFrontPanelKnobs (Knob_Callback f)
 Adds addl front-panel knobs. Called after addTransformKnobs(). Base class adds nothing.
 
void enableAxisKnobs (bool on)
 
void enableKnobs (const std::vector< std::string > &knobNames, bool on)
 
virtual void enableScenePrimImporterKnobs (bool scene_import_enabled)
 Enable/disable knobs filled in by the scene importer.
 
virtual void enableScenePrimImporterExtraKnobs (bool scene_import_enabled)
 
virtual void enableXformExtractKnobs (bool xform_extract_enabled)
 
void _validate (bool for_real) override
 
const fdk::Mat4d & inputParentTransform () const
 
const fdk::Mat4d & localParentTransform () const
 Result of the local-parent TRS knobs, if enabled. Calculated in _validate().
 
const fdk::Mat4d & localAxisTransform () const
 Result of the local-axis TRS Axis_Knob (without lookat rotations.) Calculated in knobs().
 
const fdk::Mat4d & parentTransform () const
 Parent transform containing the input-parent and local-parent. Calculated in _validate().
 
const fdk::Mat4d & localTransform () const
 Local object transform containing the local-axis TRS Axis_Knob with lookat rotations. Calculated in _validate().
 
const fdk::Mat4d & worldTransform () const
 World transform containing the input-parent, local-parent, local-axis, and lookat. Calculated in _validate().
 
const fdk::Mat4d & invWorldTransform ()
 
virtual fdk::Mat4d worldTransformAt (const OutputContext &context) const
 
void setWorldTransform (const fdk::Mat4d &)
 
int display3d () const
 
int display3d ()
 
void setDisplay3d (int mode)
 
bool selectable () const override
 
void setSelectable (bool v)
 
bool editable () const
 
void setEditable (bool v)
 
virtual bool isGuiInteractive (Axis_KnobI::Transformation knob) const
 Return true if a particular knob transformation is modifiable by user interaction in gui.
 
HandlesMode doAnyHandles (ViewerContext *) override
 
void build_handles (ViewerContext *) override
 
void draw_handle (ViewerContext *) override
 
 mFnDeprecatedInNuke14 ("Class() has been deprecated, implement on subclass plugin instead.") const char *Class() const override
 
 mFnDeprecatedInNuke14 ("node_help() has been deprecated, implement on subclass plugin instead.") const char *node_help() const override
 
 mFnDeprecatedInNuke14 ("selectable(bool mode) has been deprecated, use setSelectable() instead.") void selectable(bool v)
 
 mFnDeprecatedInNuke14 ("display3d(int mode) has been deprecated, use setDisplay3d() instead.") void display3d(int mode)
 
 mFnDeprecatedInNuke14 ("input0() has been deprecated, use parentInput() instead.") AxisOp *input0() const
 
 mFnDeprecatedInNuke14 ("lookAtEnabled() has been deprecated") virtual bool lookAtEnabled() const
 
 mFnDeprecatedInNuke14 ("lookat_input() has been deprecated") Op *lookat_input() const override
 
 mFnDeprecatedInNuke14 ("matrix(const Matrix4&) has been deprecated, use setWorldTransform() instead.") void matrix(const Matrix4 &)
 
 mFnDeprecatedInNuke14 ("local() has been deprecated, use localTransform() instead.") const Matrix4 &local() const
 
 mFnDeprecatedInNuke14 ("matrix() has been deprecated, use worldTransform() instead.") const Matrix4 &matrix() const
 
 mFnDeprecatedInNuke14 ("imatrix() has been deprecated, use invWorldTransform() instead.") const Matrix4 &imatrix()
 
 mFnDeprecatedInNuke14 ("matrixAt() has been deprecated, use worldTransformAt() instead.") virtual void matrixAt(const OutputContext &
 
- Public Member Functions inherited from DD::Image::GeomOp
const GeneralInfogeneralInfo () const override
 
const GeomOpgeomOp () const override
 Cast to a GeomOp. This is much cheaper and safer than using dynamic_cast.
 
GeomOpgeomOp () override
 
GeomOpEngineengineNode () const
 
const char * node_shape () const override
 Draw a round sided box.
 
unsigned node_color () const override
 
int minimum_inputs () const override
 Minimum number of Node inputs for this class - GeomOp base class has only one input.
 
int maximum_inputs () const override
 Maximum number of Node inputs for this class.
 
Opdefault_input (int node_input) const override
 Return a default NullGeomOp op for Node input0.
 
bool test_input (int node_input, Op *op) const override
 Allows only GeomOp inputs by default.
 
virtual void AppendKnobToTarget (const Knob_Closure &f, const usg::Token &target_id)
 
virtual void AppendKnobToTarget (const char *knob_name, const usg::Token &target_id)
 
void KnobDefinesGeometry (const Knob_Closure &f)
 
void KnobModifiesAttribValues (const Knob_Closure &f)
 
void KnobEditsLayer (const Knob_Closure &f)
 
void KnobEditStage (const Knob_Closure &f)
 
template<typename T >
getKnobValue (const char *knob_name, const OutputContext &context, const T &default_value) const
 
template<typename T >
bool setKnobValue (const char *knob_name, const T &value, double time, int32_t element_offset=0, int32_t view=-1)
 
template<typename T >
bool setKnobValues (const char *knob_name, bool clear_keys, const std::vector< T > &values, const std::vector< double > &times, int32_t element_offset=0, int32_t view=-1)
 
const OutputContextinputContext (int node_input, int offset, OutputContext &scratch_ctx) const override
 
const OutputContextinputUIContext (int node_input, OutputContext &scratch_ctx) const override
 
GeomOpinput (int op_input) const
 
GeomOpinput0 () const
 
GeomOpinput1 () const
 
virtual bool selectable () const
 
virtual bool selection3DChanged (ViewerContext *ctx)
 
virtual bool selection3DCleared ()
 
virtual bool selection3DMouseDown (ViewerContext *ctx)
 
virtual bool selection3DMouseUp (ViewerContext *ctx)
 
virtual bool selection3DMouseDrag (ViewerContext *ctx)
 
void build_handles (ViewerContext *ctx) override
 
virtual void buildXformHandles (ViewerContext *ctx, const fdk::Mat4d &localMatrix)
 
virtual usg::StageRef getStage ()
 
virtual usg::StageRef getStageFromInput (int nodeInput)
 
const usg::GeomState & inputVersions () const
 
const usg::GeomState & localVersions () const
 
const usg::GeomState & outputVersions () const
 
const usg::GeomState & inputGeomState () const
 
const usg::GeomState & localGeomState () const
 
const usg::GeomState & outputGeomState () const
 
void resetGeomState ()
 
void buildGeomState (DD::Image::Hash &op_hash)
 
void appendToTarget (const usg::Token &target_id, const fdk::Hash &hash, const fdk::Hash &version, bool is_animating_source=false)
 
void appendToTarget (const usg::Token &target_id, const Hash &hash, const Hash &version, bool is_animating_source=false)
 
void appendToTarget (const usg::Token &target_id, Op *op)
 Variant that appends op->hash() and uses op->varyingOutputHash() for 'is hash animating' state.
 
void appendToDefineGeometryTarget (const fdk::Hash &hash, const fdk::Hash &version, bool is_animating_source=false)
 
void appendToDefineGeometryTarget (const Hash &hash, const Hash &version, bool is_animating_source=false)
 
void appendToDefineGeometryTarget (Op *op)
 
void appendToModifyValuesTarget (const fdk::Hash &hash, const fdk::Hash &version, bool is_animating_source=false)
 
void appendToModifyValuesTarget (const Hash &hash, const Hash &version, bool is_animating_source=false)
 
void appendToModifyValuesTarget (Op *op)
 
void appendToEditStageTarget (const fdk::Hash &hash, const fdk::Hash &version, bool is_animating_source=false)
 
void appendToEditStageTarget (const Hash &hash, const Hash &version, bool is_animating_source=false)
 
void appendToEditStageTarget (Op *op)
 
const usg::GeomStateTargetArray & localTargets () const
 The set of knob-change targets, copied from the shared GeomOpEngine.
 
- 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
 
bool varyingOutputHash () const
 
void setVaryingOutputHash (bool varyingHashes)
 Set the varyingOutputHash indicator to a specific state.
 
void enableVaryingOutputHash ()
 Enable the varyingOutputHash indicator.
 
virtual Hash editState () const
 
virtual void setEditState (const Hash &h)
 
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)
 
const char * nodeName () const
 Return NodeI::name() which is the Node's local name with no parent path.
 
std::string nodeFullPath (char separator='.') const
 
Hash nodeTopologyHash () const
 
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 ()
 
void knobStorePrep (const OutputContext &storeContext)
 
virtual void knobs (Knob_Callback)
 
void knobStorePost (const OutputContext &storeContext, Hash &hash)
 
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_changed (Knob *)
 
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)
 
virtual void build_handles (ViewerContext *)
 
void add_draw_handle (ViewerContext *)
 
virtual void 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
 
virtual int minimum_inputs () const
 
virtual int maximum_inputs () const
 
virtual bool test_input (int, Op *) 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
 
Opinput1 () const
 return the second input, if it exists
 
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)
 
virtual const char * node_shape () const
 
DD::Image::Hash curveHash () const
 
bool opCurrent () const
 
virtual unsigned node_color () const
 
virtual const char * node_help () const =0
 
virtual const char * input_label (int, char *) 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
 Returns the same string as printed by print_name(ostream).
 
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.
 
bool real_valid () const
 Returns true if it has been real-validated - including if there was an error.
 
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 &, bool force=false)
 
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 GeomOpgeomOp ()
 Cast to a GeomOp. This is much cheaper and safer than using dynamic_cast.
 
virtual const GeomOpgeomOp () 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 AxisOpaxisOp ()
 Cast to an AxisOp. This is much cheaper and safer than using dynamic_cast.
 
virtual const AxisOpaxisOp () const
 
virtual CameraOpcameraOp ()
 Cast to an CameraOp. This is much cheaper and safer than using dynamic_cast.
 
virtual const CameraOpcameraOp () const
 
virtual LightOplightOp ()
 Cast to an LightOp. This is much cheaper and safer than using dynamic_cast.
 
virtual const LightOplightOp () const
 
virtual std::string getLibraryName () const
 Return a label and version string to display library version info for the Node.
 
virtual VersionInfo getLibraryVersion () const
 
virtual OpHints opHints () const
 Return hints to control when and how this op will be evaluated by the top-down system.
 
virtual const char * Class () const =0
 
const std::string libraryDisplayName () const
 
virtual const char * displayName () 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)
 
virtual Oplookat_input () const =0
 The lookat input op.
 
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
 

Public Attributes

Matrix4const
 
bool _xformInversionValid
 Is _invWorldTransform valid?
 
Axis_KnobI * _axisKnob
 Reference to the node Axis_Knob.
 
- Public Attributes inherited from DD::Image::Op
const MetaData::BundlemetaCache
 
Hash metaCacheHash
 

Protected Member Functions

 mFnDeprecatedInNuke14 ("isLegacyAxisOp() has been deprecated, port AxisOp sublass to new Nuke 14 api.") virtual bool _isLegacyAxisOp() const
 
 mFnDeprecatedInNuke14 ("localtransform_ has been deprecated, use Mat4d _localTransform instead.") Matrix4 localtransform_
 Local 'axis' matrix that Axis_Knob fills in - deprecated.
 
 mFnDeprecatedInNuke14 ("local_ has been deprecated, use Mat4d _localAxisMatrix instead.") Matrix4 local_
 Local matrix after look at performed - deprecated.
 
 mFnDeprecatedInNuke14 ("matrix_ has been deprecated, use Mat4d _worldTransform instead.") Matrix4 matrix_
 Object matrix - local&parent - deprecated.
 
 mFnDeprecatedInNuke14 ("imatrix_ has been deprecated, use Mat4d _invWorldTransform instead.") Matrix4 imatrix_
 Inverse object matrix - deprecated.
 
- Protected Member Functions inherited from DD::Image::GeomOp
 GeomOp (Node *node, GeomOpEngine::Builder engineBuilder)
 
 GeomOp (Node *)
 Ctor for MultiTypeNode support only! Do not implement for Engine-using subclasses.
 
OpHints opHints () const override
 Return hints to control when and how this op will be evaluated by the top-down system.
 
void setOutputContext (const OutputContext &context) override
 Called by Nuke immediately AFTER Op::knobs().
 
int knob_changed (Knob *k) override
 
virtual void appendGeomState (DD::Image::Hash &op_hash)
 
void _validate (bool for_real) override
 
virtual void updateGeneralInfo ()
 Default implemenation copies the GeneralInfo from input0.
 
virtual fdk::Mat4d handlesParentTransform (DD::Image::ViewerContext *ctx)
 
- 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 _knobStorePrep (const OutputContext &storeContext)
 The subclass-specific portion of knobStorePrep(). See that method for more info.
 
virtual void _knobStorePost (const OutputContext &storeContext, Hash &hash)
 The subclass-specific portion of knobStorePost(). See that method for more info.
 
virtual void _invalidate ()
 
virtual void _validate (bool for_real)
 
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
 
HandlesMode anyKnobHandles (ViewerContext *)
 return if any of the knobs on this node wish to draw handles
 
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 HandlesMode doAnyHandles (ViewerContext *ctx)
 
virtual PrevalidateResult doPreValidate (ViewerContext *ctx=nullptr, PreValidateContext *=nullptr)
 
- Protected Member Functions inherited from DD::Image::LookAt
void perform_lookat (Matrix4 &concatMatrix, const Matrix4 &axisMatrix)
 

Protected Attributes

std::string _primPath
 Path + name for the output prim to create (if needed)
 
int32_t _parentPrimType
 The type for missing parent prims we create.
 
bool _importEnabled
 If true this node imports prim attributes from scene input or file source.
 
bool _passthroughEnabled
 If true this node does not create or change any input scene prims.
 
bool _mergeEnabled
 If true any input scenegraph is merged into the output scenegraph.
 
struct DD::Image::AxisOp::ScenePrimImport _importer
 Scene prim importer controls & state.
 
bool _importerChanged
 If true any knobs set by the importer need to be re-stored.
 
fdk::Vec3d _localParentTranslate
 Local-parent translation knob value.
 
fdk::Vec3d _localParentRotate
 Local-parent rotate knob value.
 
fdk::Vec3d _localParentScale
 Local-parent scale knob value.
 
fdk::Mat4d _localParentMatrix
 Parent transform derived from local parent TRS knobs.
 
fdk::Mat4d _localAxisMatrix
 Local matrix that Axis_Knob fills in (no lookat rotations)
 
fdk::Mat4d _parentTransform
 Input-parent & local-parent transform.
 
fdk::Mat4d _localTransform
 Local object transform - axis_matrix & lookat rotations.
 
fdk::Mat4d _worldTransform
 World transform - _parentTransform & _localTransform.
 
fdk::Mat4d _invWorldTransform
 Inverse world transform.
 
DD::Image::Hash _parentHash
 Does parent path or transform need to be updated?
 
union {
   bool   _xformInversionValid
 Is _invWorldTransform valid?
 
}; 
 
union {
   Axis_KnobI *   _axisKnob
 Reference to the node Axis_Knob.
 
}; 
 
WorldMatrixProvider_worldMatrixProvider
 'world_matrix' output knob
 
Knob_localParentTranslateKnob
 If not null apply parent_translate.
 
Knob_localParentRotateKnob
 If not null apply parent_rotate.
 
Knob_localParentScaleKnob
 If not null apply parent_scale.
 
int display3d_
 GUI display setting - deprecate?
 
bool selectable_
 GUI selectable checkmark - deprecate?
 
bool _editable
 Can the user change the knobs? (i.e. knobs not disabled)
 
- Protected Attributes inherited from DD::Image::GeomOp
GeomOpEngine_engineNode
 GeomEngine graph processor shared between all Op instances of this GeomOp subclass.
 
GeneralInfo info_
 Global intended frame range (must remain 'info_' for MultiTypeNode support!)
 
- Protected Attributes inherited from DD::Image::Op
bool _haveHash
 whether the _hash actually has been set by a call to invalidate(Hash) ever.
 
bool _varyingOutputHash
 whether the hash value will animate over time
 
Hash _editState
 Op's current edit state, usually the combination of input & knob edit states.
 
- 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::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 }
 Enum to help get the desired version component from the VersionInfo tuple.
 
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 >
 Contains version components with each index defined by the VersionComponents enum.
 
- Static Public Member Functions inherited from DD::Image::GeomOp
static void buildStage (usg::StageRef &stage, const usg::ArgSet &request_args, GeomOp *geop0, GeomOp *geop1=nullptr, const fdk::TimeValueSet *addl_process_times=nullptr)
 
static void buildStage (usg::StageRef &stage, const usg::ArgSet &request_args, const GeomOpSet &geops, const fdk::TimeValueSet *addl_process_times=nullptr)
 Same as buildStage(GeomOp*) but for a set of GeomOps.
 
- Static Public Member Functions inherited from DD::Image::Op
static int treeVersion ()
 
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 OpretrieveOp (const char *node_path, GenerateType generate_op_type, const OutputContext *generate_op_context=nullptr)
 
static OpretrieveOp (const char *node_path, const Hash &op_hash, int tree_version)
 
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)
 Helper function to convert a VersionInfo tuple into a string.
 
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)
 
- 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 const int kInvalidVersion
 
static const VersionInfo kUnsetVersion
 
- Protected Types inherited from DD::Image::LookAt
enum  {
  kAxisZPlus , kAxisZMinus , kAxisYPlus , kAxisYMinus ,
  kAxisXPlus , kAxisXMinus
}
 
- Static Protected Member Functions inherited from DD::Image::GeomOp
template<class Engine >
static GeomOpEngine::Builder BuildEngine ()
 A helper function you can use as the engineBuilder argument to the GeomOp constructor to reduce clutter.
 
- Static Protected Attributes inherited from DD::Image::LookAt
static const char *const ms_lookat_axis_choices []
 

Detailed Description

AxisOp is the base class for all the 3D 'scene' objects like locators (usg::XformPrim), cameras (usg::CameraPrim) and lights (usg::tbd).

It contains a local transform matrix and an optional local-parent transform matrix. The local-parent enables an arbitrary parenting hierarchy to be decomposed and contained within the AxisOp allowing the node to be disconnected or disassociated from a parenting network or scenegraph. The node is effectively localized and can be copied, pasted into other scripts, etc.

Member Function Documentation

◆ axisOp() [1/2]

const AxisOp * DD::Image::AxisOp::axisOp ( ) const
inlineoverridevirtual

Cast this Op to an AxisOp. This is much cheaper and safer than using dynamic_cast.

Reimplemented from DD::Image::Op.

Referenced by worldTransformAt().

◆ axisOp() [2/2]

AxisOp * DD::Image::AxisOp::axisOp ( )
inlineoverridevirtual

Reimplemented from DD::Image::Op.

◆ node_shape()

const char * AxisOp::node_shape ( ) const
overridevirtual

Draw a circular node shape.

Reimplemented from DD::Image::Op.

◆ node_color()

unsigned AxisOp::node_color ( ) const
overridevirtual

Reimplemented from DD::Image::Op.

◆ minimum_inputs()

int AxisOp::minimum_inputs ( ) const
overridevirtual

Default is 2: axis and scene(optional)

Reimplemented from DD::Image::Op.

◆ maximum_inputs()

int AxisOp::maximum_inputs ( ) const
overridevirtual

Default is 2: axis and scene(optional)

Reimplemented from DD::Image::Op.

Referenced by optional_input().

◆ optional_input()

int AxisOp::optional_input ( ) const
overridevirtual

Optional input index is the scene-importer input. This returns (maximum_inputs()-1).

Scene import input is the last input index, which is (maximum_inputs() - 1), and draws as a stub arrow on the right side of the node. Note - the minimum and maximum input counts must include this optional input in their totals, otherwise the arrow will not appear on the node.

Reimplemented from DD::Image::Op.

References maximum_inputs(), and DD::Image::Op::optional_input().

◆ test_input()

bool AxisOp::test_input ( int  node_input,
Op op 
) const
overridevirtual

AxisOp and null works on 0, and GeomOp or null on input 1.

Reimplemented from DD::Image::Op.

References DD::Image::Op::node_input().

◆ default_input()

Op * AxisOp::default_input ( int  node_input) const
overridevirtual

Returns null for all inputs. Override this so Op::test_input() doesn't produce warnings.

Reimplemented from DD::Image::Op.

◆ input_label()

const char * AxisOp::input_label ( int  node_input,
char *  buffer 
) const
overridevirtual

Reimplemented from DD::Image::Op.

◆ mFnDeprecatedInNuke14() [1/2]

DD::Image::AxisOp::mFnDeprecatedInNuke14 ( "isLegacyAxisOp() has been  deprecated,
port AxisOp sublass to new Nuke 14 api."   
) const

*** Nuke14 only *** virtual method is used to indicate that the AxisOp subclass is a legacy one or not.

The new GeomOp-based AxisOp plugins return false, changing the behavior of the AxisOp base class methods like knobs(), _validate(), test_input(), minimum_inputs(), maximum_inputs(), etc so old plugins building against AxisOp get the same behavior.

Existing AxisOp subclass plugins like 'Axis2', 'Axis3', 'Camera2', 'Camera3', 'Light2', 'Light3', etc will retain their current behaviors through Nuke14, but those plugins will be removed in Nuke15, and existing scripts using them will no longer work.

◆ updateScenePrim()

int AxisOp::updateScenePrim ( bool  force = false)

Check if the imported prim needs to be loaded or reloaded. If the prim needs reloading then importScenePrim() is called with the correct stage and prim path.

If force is true then the prim will always be reloaded.

Return codes: -1 - no prim data was loaded and no error (i.e. no change) 0 - prim data was loaded with no error 1 - there was an error and no prim data was loaded

If error was returned (1) check the error state and message in ScenePrimImport.

This should be called from an implemented Op::setOutputContext() method which get called immediately after Op::knobs() so that we can import and change knob contents BEFORE validate() is called.

This method will cause the scene prim to be loaded on initial script load, if knob values that affect the load state change, or if the input scene connection GeomState changes.

If force is true then importScenePrim() is always called, assuming there's a valid input stage.

References _importEnabled, _importer, DD::Image::GeomOp::buildStage(), DD::Image::Op::error(), importScenePrim(), DD::Image::Op::nodeName(), sceneInputOp(), and DD::Image::Op::validate().

Referenced by setOutputContext().

◆ importScenePrim()

int AxisOp::importScenePrim ( const usg::StageRef &  stage,
const std::string &  prim_path 
)
virtual

Try to import prim data from the provided stage. Will return 1(error) if stage is invalid. If prim_path is empty then -1 will be returned indicating no change has occured, otherwise if prim_path is invalid or not present in stage then 1(error) will be returned.

Return codes: -1 - no prim data was loaded and no error, usually due to empty prim path 0 - prim data was loaded with no error 1 - there was an error and no prim data was loaded

Reimplemented in DD::Image::CameraOp.

References _importer, _localParentRotateKnob, _localParentScaleKnob, _localParentTranslateKnob, DD::Image::AxisVals::applyEulerFilter(), DD::Image::ValueStuffI::clear_animated(), DD::Image::Op::debug(), DD::Image::AxisVals::enableParentXformVals(), DD::Image::AxisVals::extractFromMatrix(), DD::Image::Op::knob(), DD::Image::Op::nodeName(), DD::Image::Knob::set(), and DD::Image::ValueStuffI::set_value().

Referenced by DD::Image::CameraOp::importScenePrim(), and updateScenePrim().

◆ getAttribValuesTimeWarped()

template<typename T >
size_t DD::Image::AxisOp::getAttribValuesTimeWarped ( const usg::Attribute &  attr,
double  attr_fps,
fdk::TimeValueList &  times,
std::vector< T > &  values 
) const
inline

Retrieve the attribute values at times possibly modified by the importer time options. If there are no time samples in the attribute then only a single default-time value is returned, unaffected by the time options. If the output time of the samples have been affected the times array reflects the output time and not the time the attribute was sampled at.

If the importer is set to frame lock then only a single value is set, sampled at the lock time, regardless of the animation status of the attribute.

This method will always set at least one time and value if the attrib is valid. Returns the number of value/times set, or 0 if there was a problem.

Referenced by DD::Image::CameraOp::importScenePrim().

◆ copyAttribToKnobTimeWarped()

template<typename T >
bool DD::Image::AxisOp::copyAttribToKnobTimeWarped ( const usg::Attribute &  attr,
double  attr_fps,
Knob knob,
bool  force_keys,
int32_t  channel_start_offset,
int32_t  view 
) const
inline

Retrieve the attribute values at times possibly modified by the importer time options and save them into the target Knob. If force_keys is true then the Knob will have a keyframe set even if the sample attribute only has a default value (i.e. no time sample.) This likely only works for ArrayKnobs since they support animation. See Knob::set() for explanation of channel_start_offset and view options. Returns true on success.

References DD::Image::Knob::set().

◆ getOutputSampleTimes()

TimeValueList AxisOp::getOutputSampleTimes ( const fdk::TimeValueList &  input_times,
double  input_fps = 0.0 
) const

Generate output time values from an input time list using the current importer settings to possibly time warp / offset them. If no time change needed the returned times will be the input times. input_fps is only needed if this is changing the frame rate of the input samples. If left at the 0.0 default then no time warping is applied.

References _importer.

◆ getStage()

usg::StageRef AxisOp::getStage ( )
overridevirtual

Reimplemented from DD::Image::GeomOp.

◆ knobs()

void AxisOp::knobs ( Knob_Callback  f)
overridevirtual

Reimplemented from DD::Image::Op.

Reimplemented in DD::Image::CameraOp.

◆ setOutputContext()

void AxisOp::setOutputContext ( const OutputContext context)
overridevirtual

Called by Nuke immediately AFTER Op::knobs(). We use this to update the importer values.

We use setOutputContext() to update the imported state right after knobs() has been called, but before append() or _validate().

At this point all the knob values will be stored at the OutputContext passed to this method and we can decide what to do with their stored values.

If we end up loading a scene prim successfully there's a bunch of knobs who's contents will likely get changed, affecting the Op's local variables such as _localAxisMatrix. But - since knobs() has already been called and the previously knobs stored at the prior values these vars are now out of date. This is a common Nuke issue when Knobs are changed outside the expected pattern, and is often experienced as a off-by-one delay in updating values when the Viewer changes frame, since changing the frame will force the knobs to store with their new contents, causing a 'snap'.

The solution to this is to force the knobs to store after a known change has been applied, via Op::setKnobsToContext(force=true). This method will call knobs() again, storing the new values, then this method setOutputContext() again, then append() and finally invalidate() to update the Op hash. The trick here is avoiding a loop due to the second call into this method, so the variable _importerChanged is used to note whether we're in that second knobs() update cycle or not, and to avoid re-calling the importer again.

Reimplemented from DD::Image::Op.

References _importer, _importerChanged, DD::Image::Op::inputsValid(), DD::Image::Op::nodeName(), sceneImporterInput(), DD::Image::Op::setKnobsToContext(), DD::Image::GeomOp::setOutputContext(), and updateScenePrim().

◆ knob_changed()

int AxisOp::knob_changed ( Knob k)
overridevirtual

Reimplemented from DD::Image::Op.

◆ appendGeomState()

void AxisOp::appendGeomState ( DD::Image::Hash op_hash)
overridevirtual

Adds the node name to the node hash for invalidation on changes.

Reimplemented from DD::Image::GeomOp.

References DD::Image::GeomOp::appendGeomState(), and DD::Image::Op::nodeTopologyHash().

◆ addDisplayOptionsKnobs()

void AxisOp::addDisplayOptionsKnobs ( Knob_Callback  f)
virtual

◆ addScenePrimImporterKnobs()

void AxisOp::addScenePrimImporterKnobs ( Knob_Callback  f,
bool  group_open,
bool  add_time_options,
bool  add_xform_options 
)
virtual

◆ addLocalParentingKnobs()

◆ addLocalXformKnobs()

void AxisOp::addLocalXformKnobs ( Knob_Callback  f,
bool  add_sync_options = true 
)
virtual

◆ addTransformKnobs()

void AxisOp::addTransformKnobs ( Knob_Callback  f,
bool  add_sync_options = true 
)
virtual

Adds the front panel local-parent & local-axis transform knobs. If add_sync_options is true the import-sync options are added. Calls addLocalParentingKnobs() then addLocalXformKnobs(), adding dividers.

References addLocalParentingKnobs(), addLocalXformKnobs(), and DD::Image::Divider().

Referenced by createAxisOpKnobs().

◆ addExtraFrontPanelKnobs()

void AxisOp::addExtraFrontPanelKnobs ( Knob_Callback  f)
virtual

Adds addl front-panel knobs. Called after addTransformKnobs(). Base class adds nothing.

Reimplemented in DD::Image::CameraOp.

Referenced by createAxisOpKnobs().

◆ enableAxisKnobs()

void AxisOp::enableAxisKnobs ( bool  on)

Enable or disable axis knobs.

Parameters
ontrue to enable the axis knobs ('transform')

References DD::Image::Op::knob().

◆ enableKnobs()

void AxisOp::enableKnobs ( const std::vector< std::string > &  knobNames,
bool  on 
)

Enable or disable knobs based on array of knobnames.

Parameters
knobNamesknob names to enable or disable
ontrue to enable the knobs

References DD::Image::Op::knob().

◆ _validate()

◆ invWorldTransform()

const Mat4d & AxisOp::invWorldTransform ( )

Return the inverse world transform. If _worldTransform has been marked invalid the _invWorldTransform will be calculated and updated now.

References _invWorldTransform, _worldTransform, and _xformInversionValid.

◆ worldTransformAt()

Mat4d AxisOp::worldTransformAt ( const OutputContext context) const
virtual

Calculate the world-space transform of this node at a specific OutputContext. Calls Knob::store() on all the transform knobs but discards the results, so this method can be more expensive than creating an AxisOp at the OutputContext and reusing it.

References _axisKnob, _localParentRotateKnob, _localParentScaleKnob, _localParentTranslateKnob, DD::Image::Op::axisOp(), axisOp(), DD::Image::Op::EXECUTABLE_SKIP, DD::Image::Knob::get(), DD::Image::Op::node_input(), and worldTransformAt().

Referenced by worldTransformAt().

◆ setWorldTransform()

void AxisOp::setWorldTransform ( const fdk::Mat4d &  )

Replace the output matrix derived in _validate(), also invalidating the inverse world transform. Note this only persists until the next validate() pass overwrites the derived matrices.

References _worldTransform, and _xformInversionValid.

◆ selectable()

bool DD::Image::AxisOp::selectable ( ) const
inlineoverridevirtual

Reimplemented from DD::Image::GeomOp.

◆ doAnyHandles()

Op::HandlesMode AxisOp::doAnyHandles ( ViewerContext ctx)
overridevirtual

Reimplemented from DD::Image::Op.

◆ build_handles()

◆ draw_handle()

◆ mFnDeprecatedInNuke14() [2/2]

DD::Image::AxisOp::mFnDeprecatedInNuke14 ( "isLegacyAxisOp() has been  deprecated,
port AxisOp sublass to new Nuke 14 api."   
) const
inlineprotected

*** Nuke14 only *** virtual method is used to indicate that the AxisOp subclass is a legacy one or not.



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