SoInterpolate - Online Linux Manual PageSection : 3
Updated : Mon Jan 25 2021
Source : Version 3.1.3
Note : Coin
NAMESoInterpolate − The SoInterpolate class is the base class for all interpolator engines.
SYNOPSIS
#include <Inventor/engines/SoInterpolate.h> Inherits SoEngine. Inherited by SoInterpolateFloat, SoInterpolateRotation, SoInterpolateVec2f, SoInterpolateVec3f, and SoInterpolateVec4f.
Public Member Functionsvirtual SoType getTypeId (void) const
virtual const SoFieldData * getFieldData (void) const
virtual const SoEngineOutputData * getOutputData (void) const
Static Public Member Functionsstatic SoType getClassTypeId (void)
static void initClass (void)
static void initClasses (void)
Public AttributesSoSFFloat alpha
SoEngineOutput output
Protected Member FunctionsSoInterpolate ()
virtual ~SoInterpolate (void)
Static Protected Member Functionsstatic const SoFieldData ** getInputDataPtr (void)
static const SoEngineOutputData ** getOutputDataPtr (void)
Additional Inherited Members
Detailed DescriptionThe SoInterpolate class is the base class for all interpolator engines. Interpolators are used to linearly interpolate between two values. In Coin, we've chosen to implement all interpolators in separate files. If you want to be OIV compatible when programming, you should include the SoInterpolate.h, and not the interpolator file(s) you need.
Constructor & Destructor Documentation
SoInterpolate::SoInterpolate (void) [protected]Default constructor.
SoInterpolate::~SoInterpolate (void) [protected], [virtual]Destructor.
Member Function Documentation
SoType SoInterpolate::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. Implements SoBase. Reimplemented in SoInterpolateVec4f, SoInterpolateVec3f, SoInterpolateVec2f, SoInterpolateRotation, and SoInterpolateFloat.
const SoFieldData * SoInterpolate::getFieldData (void) const [virtual]Returns a pointer to the class-wide field data storage object for this instance. If no fields are present, returns NULL. Reimplemented from SoFieldContainer. Reimplemented in SoInterpolateVec4f, SoInterpolateVec3f, SoInterpolateVec2f, SoInterpolateRotation, and SoInterpolateFloat.
const SoEngineOutputData * SoInterpolate::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.
Implements SoEngine. Reimplemented in SoInterpolateVec4f, SoInterpolateVec3f, SoInterpolateVec2f, SoInterpolateRotation, and SoInterpolateFloat.
void SoInterpolate::initClasses (void) [static]This method is provided only for API compatibility, and does nothing in Coin.
Member Data Documentation
SoSFFloat SoInterpolate::alphaThe value which says how much we've should interpolate from first value to second value. A value equal to 0 will give an output equal to the first value, alpha equal to 1 gives the second value, any value in between gives a 'weighted' interpolation between the two values.
SoEngineOutput SoInterpolate::outputInterpolated values from the input fields. The type of the output will of course be the same as the type of the input fields of each non-abstract subclass inheriting SoInterpolate.
AuthorGenerated automatically by Doxygen for Coin from the source code. 0
Johanes Gumabo
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