| SoVRMLOrientationInterpolator(3) | Library Functions Manual | SoVRMLOrientationInterpolator(3) |
NAME¶
SoVRMLOrientationInterpolator - The SoVRMLOrientationInterpolator class is used to interpolate orientations.
SYNOPSIS¶
#include <Inventor/VRMLnodes/SoVRMLOrientationInterpolator.h>
Inherits SoVRMLInterpolator.
Public Member Functions¶
virtual SoType getTypeId (void)
const
virtual const SoEngineOutputData * getOutputData
(void) const
SoVRMLOrientationInterpolator (void)
Public Member Functions inherited from SoNodeEngine
void evaluateWrapper (void)
virtual int getOutputs (SoEngineOutputList &l)
const
SoEngineOutput * getOutput (const SbName
&outputname) const
SbBool getOutputName (const SoEngineOutput *output,
SbName &outputname) const
SbBool isNotifying (void) const
virtual void notify (SoNotList *nl)
virtual void writeInstance (SoOutput *out)
Public Member Functions inherited from SoNode
void setOverride (const SbBool state)
SbBool isOverride (void) const
void setNodeType (const NodeType type)
NodeType getNodeType (void) const
virtual SoNode * copy (SbBool
copyconnections=FALSE) const
virtual SbBool affectsState (void) const
virtual void doAction (SoAction *action)
virtual void GLRender (SoGLRenderAction *action)
virtual void GLRenderBelowPath (SoGLRenderAction
*action)
virtual void GLRenderInPath (SoGLRenderAction
*action)
virtual void GLRenderOffPath (SoGLRenderAction
*action)
virtual void callback (SoCallbackAction *action)
virtual void getBoundingBox
(SoGetBoundingBoxAction *action)
virtual void getMatrix (SoGetMatrixAction *action)
virtual void handleEvent (SoHandleEventAction
*action)
virtual void pick (SoPickAction *action)
virtual void rayPick (SoRayPickAction *action)
virtual void search (SoSearchAction *action)
virtual void write (SoWriteAction *action)
virtual void audioRender (SoAudioRenderAction
*action)
virtual void getPrimitiveCount
(SoGetPrimitiveCountAction *action)
virtual void grabEventsSetup (void)
virtual void grabEventsCleanup (void)
virtual void startNotify (void)
uint32_t getNodeId (void) const
virtual SoChildList * getChildren (void)
const
virtual SoNode * addToCopyDict (void) const
virtual void copyContents (const
SoFieldContainer *from, SbBool copyconnections)
virtual SoFieldContainer * copyThroughConnection
(void) const
Public Member Functions inherited from SoFieldContainer
void setToDefaults (void)
SbBool hasDefaultValues (void) const
SbBool fieldsAreEqual (const SoFieldContainer *container)
const
void copyFieldValues (const SoFieldContainer
*container, SbBool copyconnections=FALSE)
SbBool set (const char *const fielddata)
void get (SbString &fielddata)
virtual int getFields (SoFieldList &l)
const
virtual int getAllFields (SoFieldList &l)
const
virtual SoField * getField (const SbName
&name) const
virtual SoField * getEventIn (const SbName
&name) const
virtual SoField * getEventOut (const SbName
&name) const
SbBool getFieldName (const SoField *const
field, SbName &name) const
SbBool enableNotify (const SbBool flag)
SbBool isNotifyEnabled (void) const
SbBool set (const char *fielddata, SoInput *input)
void get (SbString &fielddata, SoOutput
*out)
virtual SbBool validateNewFieldValue (SoField
*field, void *newval)
virtual void addWriteReference (SoOutput
*out, SbBool isfromfield=FALSE)
SbBool getIsBuiltIn (void) const
virtual void getFieldsMemorySize (size_t
&managed, size_t &unmanaged) const
void setUserData (void *userdata) const
void * getUserData (void) const
Public Member Functions inherited from SoBase
void ref (void) const
void unref (void) const
void unrefNoDelete (void) const
int32_t getRefCount (void) const
void touch (void)
SbBool isOfType (SoType type) const
virtual SbName getName (void) const
virtual void setName (const SbName
&newname)
void addAuditor (void *const auditor,
const SoNotRec::Type type)
void removeAuditor (void *const auditor,
const SoNotRec::Type type)
const SoAuditorList & getAuditors (void)
const
SbBool shouldWrite (void)
void assertAlive (void) const
Static Public Member Functions¶
static SoType getClassTypeId (void)
static void * createInstance (void)
static void initClass (void)
Static Public Member Functions inherited from
SoVRMLInterpolator
static SoType getClassTypeId (void)
static void initClass (void)
Static Public Member Functions inherited from SoNodeEngine
static void initClass (void)
static SoType getClassTypeId (void)
Static Public Member Functions inherited from SoNode
static uint32_t getCompatibilityTypes (const
SoType &nodetype)
static SoType getClassTypeId (void)
static SoNode * getByName (const SbName
&name)
static int getByName (const SbName &name,
SoNodeList &l)
static void initClass (void)
static void initClasses (void)
static uint32_t getNextNodeId (void)
static int getActionMethodIndex (const SoType
type)
static void getBoundingBoxS (SoAction *action,
SoNode *node)
static void GLRenderS (SoAction *action,
SoNode *node)
static void callbackS (SoAction *action,
SoNode *node)
static void getMatrixS (SoAction *action,
SoNode *node)
static void handleEventS (SoAction *action,
SoNode *node)
static void pickS (SoAction *action, SoNode
*node)
static void rayPickS (SoAction *action,
SoNode *node)
static void searchS (SoAction *action,
SoNode *node)
static void writeS (SoAction *action,
SoNode *node)
static void audioRenderS (SoAction *action,
SoNode *node)
static void getPrimitiveCountS (SoAction *action,
SoNode *node)
Static Public Member Functions inherited from
SoFieldContainer
static void initClass (void)
static SoType getClassTypeId (void)
static void cleanupClass (void)
static void initCopyDict (void)
static void addCopy (const SoFieldContainer
*orig, const SoFieldContainer *copy)
static SoFieldContainer * checkCopy (const
SoFieldContainer *orig)
static SoFieldContainer * findCopy (const
SoFieldContainer *orig, const SbBool
copyconnections)
static void copyDone (void)
Static Public Member Functions inherited from SoBase
static void initClass (void)
static SoType getClassTypeId (void)
static void addName (SoBase *const base,
const char *const name)
static void removeName (SoBase *const base,
const char *const name)
static void incrementCurrentWriteCounter (void)
static void decrementCurrentWriteCounter (void)
static SoBase * getNamedBase (const SbName
&name, SoType type)
static int getNamedBases (const SbName &name,
SoBaseList &baselist, SoType type)
static SbBool read (SoInput *input, SoBase
*&base, SoType expectedtype)
static void setInstancePrefix (const
SbString &c)
static void setTraceRefs (SbBool trace)
static SbBool getTraceRefs (void)
static SbBool connectRoute (SoInput *input, const
SbName &fromnodename, const SbName
&fromfieldname, const SbName
&tonodename, const SbName &tofieldname)
static SbBool readRoute (SoInput *input)
Public Attributes¶
SoMFRotation keyValue
SoEngineOutput value_changed
Public Attributes inherited from SoVRMLInterpolator
SoMFFloat key
SoSFFloat set_fraction
Protected Member Functions¶
virtual const SoFieldData *
getFieldData (void) const
virtual ~SoVRMLOrientationInterpolator (void)
Protected Member Functions inherited from
SoVRMLInterpolator
int getKeyValueIndex (float &interp)
Protected Member Functions inherited from SoNodeEngine
SoNodeEngine (void)
virtual ~SoNodeEngine (void)
virtual SbBool readInstance (SoInput *in,
unsigned short flags)
virtual void inputChanged (SoField *which)
void writeOutputTypes (SoOutput *out)
Protected Member Functions inherited from SoNode
SoNode (void)
virtual ~SoNode ()
Protected Member Functions inherited from SoFieldContainer
SoFieldContainer (void)
virtual ~SoFieldContainer ()
Protected Member Functions inherited from SoBase
SoBase (void)
virtual ~SoBase ()
SbBool hasMultipleWriteRefs (void) const
SbBool writeHeader (SoOutput *out, SbBool isgroup,
SbBool isengine) const
void writeFooter (SoOutput *out) const
virtual const char * getFileFormatName (void)
const
Static Protected Member Functions¶
static const SoFieldData **
getFieldDataPtr (void)
static const SoEngineOutputData **
getOutputDataPtr (void)
Static Protected Member Functions inherited from
SoVRMLInterpolator
static const SoFieldData ** getFieldDataPtr
(void)
static const SoEngineOutputData **
getOutputDataPtr (void)
Static Protected Member Functions inherited from
SoNodeEngine
static const SoFieldData ** getFieldDataPtr
(void)
static const SoEngineOutputData **
getOutputDataPtr (void)
Static Protected Member Functions inherited from SoNode
static const SoFieldData ** getFieldDataPtr
(void)
static void setNextActionMethodIndex (int index)
static int getNextActionMethodIndex (void)
static void incNextActionMethodIndex (void)
static void setCompatibilityTypes (const
SoType &nodetype, const uint32_t bitmask)
Static Protected Member Functions inherited from SoBase
static uint32_t getCurrentWriteCounter (void)
static void staticDataLock (void)
static void staticDataUnlock (void)
Additional Inherited Members¶
Public Types inherited from SoNode
enum NodeType { INVENTOR = 0x0000, VRML1 = 0x0001,
VRML2 = 0x0002, INVENTOR_1 = 0x0004, INVENTOR_2_0 =
0x0008, INVENTOR_2_1 = 0x0010, INVENTOR_2_5 = 0x0020,
INVENTOR_2_6 = 0x0040, COIN_1_0 = 0x0080, COIN_2_0 =
0x0100, EXTENSION = 0x0200, COIN_2_2 = 0x0400, COIN_2_3
= 0x0800, COIN_2_4 = 0x1000, INVENTOR_5_0 = 0x2000,
COIN_2_5 = 0x4000, COIN_3_0 = 0x8000, INVENTOR_6_0 =
0x10000 }
Protected Types inherited from SoBase
enum BaseFlags { IS_ENGINE = 0x01, IS_GROUP = 0x02 }
Protected Attributes inherited from SoNode
uint32_t uniqueId
Protected Attributes inherited from SoFieldContainer
SbBool isBuiltIn
Static Protected Attributes inherited from SoNode
static uint32_t nextUniqueId = 1
static int nextActionMethodIndex = 0
Detailed Description¶
The SoVRMLOrientationInterpolator class is used to interpolate orientations.
The detailed class documentation is taken verbatim from the VRML97 standard (ISO/IEC 14772-1:1997). It is copyright The Web3D Consortium, and is used by permission of the Consortium:
OrientationInterpolator {
eventIn SFFloat set_fraction # (-,)
exposedField MFFloat key [] # (-,)
exposedField MFRotation keyValue [] # [-1,1],(-,)
eventOut SFRotation value_changed
}
The OrientationInterpolator node interpolates among a list of rotation values specified in the keyValue field. These rotations are absolute in object space and therefore are not cumulative. The keyValue field shall contain exactly as many rotations as there are keyframes in the key field. An orientation represents the final position of an object after a rotation has been applied. An OrientationInterpolator interpolates between two orientations by computing the shortest path on the unit sphere between the two orientations. The interpolation is linear in arc length along this path. The results are undefined if the two orientations are diagonally opposite. If two consecutive keyValue values exist such that the arc length between them is greater than , the interpolation will take place on the arc complement. For example, the interpolation between the orientations (0, 1, 0, 0) and (0, 1, 0, 5.0) is equivalent to the rotation between the orientations (0, 1, 0, 2) and (0, 1, 0, 5.0). A more detailed discussion of interpolators is contained in 4.6.8, Interpolator nodes (http://www.web3d.org/x3d/specifications/vrml/ISO-IEC-14772-VRML97/part1/concepts.html#4.6.8).
Constructor & Destructor Documentation¶
SoVRMLOrientationInterpolator::SoVRMLOrientationInterpolator (void)¶
Constructor.
SoVRMLOrientationInterpolator::~SoVRMLOrientationInterpolator (void) [protected], [virtual]¶
Destructor.
Member Function Documentation¶
SoType SoVRMLOrientationInterpolator::getTypeId (void) const [virtual]¶
Returns the type identification of an object derived from a class inheriting SoBase. This is used for run-time type checking and 'downward' casting.
Usage example:
void foo(SoNode * node)
{
if (node->getTypeId() == SoFile::getClassTypeId()) {
SoFile * filenode = (SoFile *)node; // safe downward cast, knows the type
}
}
For application programmers wanting to extend the library with new nodes, engines, nodekits, draggers or others: this method needs to be overridden in all subclasses. This is typically done as part of setting up the full type system for extension classes, which is usually accomplished by using the pre-defined macros available through for instance Inventor/nodes/SoSubNode.h (SO_NODE_INIT_CLASS and SO_NODE_CONSTRUCTOR for node classes), Inventor/engines/SoSubEngine.h (for engine classes) and so on.
For more information on writing Coin extensions, see the class documentation of the toplevel superclasses for the various class groups.
Reimplemented from SoVRMLInterpolator.
const SoFieldData * SoVRMLOrientationInterpolator::getFieldData (void) const [protected], [virtual]¶
Returns a pointer to the class-wide field data storage object for this instance. If no fields are present, returns NULL.
Reimplemented from SoVRMLInterpolator.
const SoEngineOutputData * SoVRMLOrientationInterpolator::getOutputData (void) const [virtual]¶
This API member is considered internal to the library, as it is not likely to be of interest to the application programmer.
Reimplemented from SoVRMLInterpolator.
Member Data Documentation¶
SoMFRotation SoVRMLOrientationInterpolator::keyValue¶
The keyValue vector.
SoEngineOutput SoVRMLOrientationInterpolator::value_changed¶
The eventOut which is sent every time the interpolator has calculated a new value.
Author¶
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