SoVRMLPositionInterpolator - Online Linux Manual PageSection : 3
Updated : Mon Jan 25 2021
Source : Version 2.5.0
Note : Coin
NAMESoVRMLPositionInterpolator − The SoVRMLPositionInterpolator class is used to interpolate 3D points​.
SYNOPSIS
#include <Inventor/VRMLnodes/SoVRMLPositionInterpolator​.h> Inherits SoVRMLInterpolator​.
Public Member Functionsvirtual SoType getTypeId (void) const
virtual const SoEngineOutputData * getOutputData (void) const
SoVRMLPositionInterpolator (void)
Static Public Member Functionsstatic SoType getClassTypeId (void)
static void * createInstance (void)
static void initClass (void)
Public AttributesSoMFVec3f keyValue
SoEngineOutput value_changed
Protected Member Functionsvirtual const SoFieldData * getFieldData (void) const
virtual ~SoVRMLPositionInterpolator ()
Static Protected Member Functionsstatic const SoFieldData ** getFieldDataPtr (void)
static const SoEngineOutputData ** getOutputDataPtr (void)
Additional Inherited Members
Detailed DescriptionThe SoVRMLPositionInterpolator class is used to interpolate 3D points​. 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:

PositionInterpolator { eventIn SFFloat set_fraction # (-,) exposedField MFFloat key [] # (-,) exposedField MFVec3f keyValue [] # (-,) eventOut SFVec3f value_changed } The PositionInterpolator node linearly interpolates among a list of 3D vectors​. The keyValue field shall contain exactly as many values as in the key field​. 4​.6​.8, Interpolator nodes (http://www.web3d.org/x3d/specifications/vrml/ISO-IEC-14772-VRML97/part1/concepts.html#4.6.8), contains a more detailed discussion of interpolators​.
Constructor & Destructor Documentation
SoVRMLPositionInterpolator::SoVRMLPositionInterpolator (void)Constructor​. References keyValue, and value_changed​.
SoVRMLPositionInterpolator::~SoVRMLPositionInterpolator () [protected], [virtual]Destructor​.
Member Function Documentation
SoType SoVRMLPositionInterpolator::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 } else if (node->getTypeId()​.isOfType(SoGroup::getClassTypeId())) { SoGroup * group = (SoGroup *)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 * SoVRMLPositionInterpolator::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 * SoVRMLPositionInterpolator::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
SoMFVec3f SoVRMLPositionInterpolator::keyValueThe keyValue vector​. Referenced by SoVRMLPositionInterpolator()​.
SoEngineOutput SoVRMLPositionInterpolator::value_changedThe eventOut which is sent every time the interpolator has calculated a new value​. Referenced by SoVRMLPositionInterpolator()​.
AuthorGenerated automatically by Doxygen for Coin from the source code​. 0
Johanes Gumabo
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