usg::Primvar Class Reference

A class representing a primvar attribute. This has extra methods for dealing with indices, flattening values and so on. More...

#include <Primvar.h>

Public Member Functions
	Primvar (const Prim &prim, const Token &name)
	Construct primvar with the existing attribute named by the given name.
	Primvar (const Prim &prim, const Attribute &attr)
	Construct primvar with the given attribute.
	Primvar (Prim &prim, const Token &name, const Value::Type &typeName)
	Create primvar with the given name and type.
bool	isValid () const
	Returns true if the primvar is valid.
	operator bool () const
Attribute &	attribute ()
	Returns the primvar attribute.
void	blockIndices ()
	Block the indices that were previously set.
Attribute &	indicesAttribute ()
	Returns the primvar indices attribute if it exists.
bool	setInterpolation (const Token &interpolation)
	Sets the interpolation for this attribute.
Token	getInterpolation () const
	Gets the interpolation for this attribute.
bool	setElementSize (const int elementSize)
	Sets the elementSize for this attribute.
int	getElementSize () const
	Gets the elementSize for this attribute.
template<class T >
bool	computeFlattened (Array< T > &flattenedValues, fdk::TimeValue time=fdk::defaultTimeValue()) const
	Computes the flattened primver attributes from the attribute and its indices. If there are no indices, just returns the straight values.

Static Public Member Functions
static Token	makeNamespaced (const Token &name)
	Gets the attribute name from primvar name like "displayColor" -> "primvars:displayColor".

Protected Attributes
Prim	_prim
Attribute	_attr
Attribute	_indicesAttr

Detailed Description

A class representing a primvar attribute. This has extra methods for dealing with indices, flattening values and so on.