osgVolume::ImageLayer Class Reference

Inheritance diagram for osgVolume::ImageLayer:

Public Member Functions
	ImageLayer (osg::Image *image=0)
	ImageLayer (const ImageLayer &imageLayer, const osg::CopyOp &copyop=osg::CopyOp::SHALLOW_COPY)
	META_Object (osgVolume, ImageLayer)
void	setFileName (const std::string &filename)
virtual const std::string &	getFileName () const
void	setImage (osg::Image *image)
virtual osg::Image *	getImage ()
virtual const osg::Image *	getImage () const
void	setTexelOffset (const osg::Vec4 &offset)
const osg::Vec4 &	getTexelOffset () const
void	setTexelScale (const osg::Vec4 &scale)
const osg::Vec4 &	getTexelScale () const
bool	computeMinMax (osg::Vec4 &min, osg::Vec4 &max)
void	offsetAndScaleImage (const osg::Vec4 &offset, const osg::Vec4 &scale)
void	rescaleToZeroToOneRange ()
void	translateMinToZero ()
virtual bool	requiresUpdateTraversal () const
virtual void	update (osg::NodeVisitor &)
virtual void	dirty ()
virtual void	setModifiedCount (unsigned int value)
virtual unsigned int	getModifiedCount () const
Public Member Functions inherited from osgVolume::Layer
	Layer ()
	Layer (const Layer &, const osg::CopyOp &copyop=osg::CopyOp::SHALLOW_COPY)
	META_Object (osgVolume, Layer)
void	setLocator (Locator *locator)
Locator *	getLocator ()
const Locator *	getLocator () const
void	setDefaultValue (const osg::Vec4 &value)
const osg::Vec4 &	getDefaultValue () const
void	setMinFilter (osg::Texture::FilterMode filter)
osg::Texture::FilterMode	getMinFilter () const
void	setMagFilter (osg::Texture::FilterMode filter)
osg::Texture::FilterMode	getMagFilter () const
void	setProperty (Property *property)
Property *	getProperty ()
const Property *	getProperty () const
void	addProperty (Property *property)
virtual osg::BoundingSphere	computeBound () const
Public Member Functions inherited from osg::Object
	Object ()
	Object (bool threadSafeRefUnref)
	Object (const Object &, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
virtual Object *	cloneType () const =0
virtual Object *	clone (const CopyOp &) const =0
virtual bool	isSameKindAs (const Object *) const
virtual const char *	libraryName () const =0
virtual const char *	className () const =0
virtual void	setThreadSafeRefUnref (bool threadSafe)
virtual void	setName (const std::string &name)
void	setName (const char *name)
const std::string &	getName () const
void	setDataVariance (DataVariance dv)
DataVariance	getDataVariance () const
virtual void	computeDataVariance ()
void	setUserDataContainer (osg::UserDataContainer *udc)
osg::UserDataContainer *	getUserDataContainer ()
const osg::UserDataContainer *	getUserDataContainer () const
osg::UserDataContainer *	getOrCreateUserDataContainer ()
virtual void	setUserData (Referenced *obj)
virtual Referenced *	getUserData ()
virtual const Referenced *	getUserData () const
template<typename T >
bool	getUserValue (const std::string &name, T &value) const
template<typename T >
void	setUserValue (const std::string &name, const T &value)
virtual void	resizeGLObjectBuffers (unsigned int)
virtual void	releaseGLObjects (osg::State *=0) const
template<typename T >
BoolValueObject UCharValueObject UShortValueObject UIntValueObject DoubleValueObject Vec3fValueObject Vec2dValueObject Vec4dValueObject PlaneValueObject MatrixdValueObject bool	getUserValue (const std::string &name, T &value) const
Public Member Functions inherited from osg::Referenced
	Referenced ()
	Referenced (bool threadSafeRefUnref)
	Referenced (const Referenced &)
Referenced &	operator= (const Referenced &)
bool	getThreadSafeRefUnref () const
OpenThreads::Mutex *	getRefMutex () const
int	ref () const
int	unref () const
int	unref_nodelete () const
int	referenceCount () const
ObserverSet *	getObserverSet () const
ObserverSet *	getOrCreateObserverSet () const
void	addObserver (Observer *observer) const
void	removeObserver (Observer *observer) const

Protected Member Functions
virtual	~ImageLayer ()
Protected Member Functions inherited from osgVolume::Layer
virtual	~Layer ()
Protected Member Functions inherited from osg::Object
virtual	~Object ()
Protected Member Functions inherited from osg::Referenced
virtual	~Referenced ()
void	signalObserversAndDelete (bool signalDelete, bool doDelete) const
void	deleteUsingDeleteHandler () const

Protected Attributes
osg::Vec4	_texelOffset
osg::Vec4	_texelScale
osg::ref_ptr< osg::Image >	_image
Protected Attributes inherited from osgVolume::Layer
std::string	_filename
osg::ref_ptr< Locator >	_locator
osg::Vec4	_defaultValue
osg::Texture::FilterMode	_minFilter
osg::Texture::FilterMode	_magFilter
osg::ref_ptr< Property >	_property
Protected Attributes inherited from osg::Object
std::string	_name
DataVariance	_dataVariance
osg::UserDataContainer *	_userDataContainer
Protected Attributes inherited from osg::Referenced
OpenThreads::AtomicPtr	_observerSet
OpenThreads::Atomic	_refCount

Additional Inherited Members
Public Types inherited from osg::Object
enum	DataVariance { DYNAMIC, STATIC, UNSPECIFIED }
Static Public Member Functions inherited from osg::Referenced
static OpenThreads::Mutex *	getGlobalReferencedMutex ()
static void	setThreadSafeReferenceCounting (bool enableThreadSafeReferenceCounting)
static bool	getThreadSafeReferenceCounting ()
static void	setDeleteHandler (DeleteHandler *handler)
static DeleteHandler *	getDeleteHandler ()

Constructor & Destructor Documentation

osgVolume::ImageLayer::ImageLayer

(

osg::Image *

image = 0

)

osgVolume::ImageLayer::ImageLayer	(	const ImageLayer &	imageLayer,
		const osg::CopyOp &	copyop = osg::CopyOp::SHALLOW_COPY
	)

Copy constructor using CopyOp to manage deep vs shallow copy.

virtual osgVolume::ImageLayer::~ImageLayer ( )

inlineprotectedvirtual

Member Function Documentation

bool osgVolume::ImageLayer::computeMinMax	(	osg::Vec4 &	min,
		osg::Vec4 &	max
	)

Compute the min and max pixel colors.

virtual void osgVolume::ImageLayer::dirty ( )

virtual

increment the modified count."

Reimplemented from osgVolume::Layer.

virtual const std::string& osgVolume::ImageLayer::getFileName ( ) const

inlinevirtual

Get the file name of the layer.

Reimplemented from osgVolume::Layer.

virtual osg::Image* osgVolume::ImageLayer::getImage ( )

inlinevirtual

Return image associated with layer.

Reimplemented from osgVolume::Layer.

virtual const osg::Image* osgVolume::ImageLayer::getImage ( ) const

inlinevirtual

Return const image associated with layer.

Reimplemented from osgVolume::Layer.

virtual unsigned int osgVolume::ImageLayer::getModifiedCount ( ) const

virtual

Get modified count value.

Reimplemented from osgVolume::Layer.

const osg::Vec4& osgVolume::ImageLayer::getTexelOffset ( ) const

inline

const osg::Vec4& osgVolume::ImageLayer::getTexelScale ( ) const

inline

osgVolume::ImageLayer::META_Object	(	osgVolume	,
		ImageLayer
	)

void osgVolume::ImageLayer::offsetAndScaleImage	(	const osg::Vec4 &	offset,
		const osg::Vec4 &	scale
	)

Apply color transformation to pixels using c' = offset + c * scale .

virtual bool osgVolume::ImageLayer::requiresUpdateTraversal ( ) const

virtual

Specify whether ImageLayer requires update traversal.

Reimplemented from osgVolume::Layer.

void osgVolume::ImageLayer::rescaleToZeroToOneRange

(

)

Compute the min max range of the image, and then remap this to a 0 to 1 range.

void osgVolume::ImageLayer::setFileName ( const std::string &  filename )

inlinevirtual

Set the file name of the data associated with this layer.

Reimplemented from osgVolume::Layer.

void osgVolume::ImageLayer::setImage

(

osg::Image *

image

)

virtual void osgVolume::ImageLayer::setModifiedCount ( unsigned int  )

virtual

Set the modified count value.

Reimplemented from osgVolume::Layer.

void osgVolume::ImageLayer::setTexelOffset ( const osg::Vec4 &  offset )

inline

void osgVolume::ImageLayer::setTexelScale ( const osg::Vec4 &  scale )

inline

void osgVolume::ImageLayer::translateMinToZero

(

)

Compute the min color component of the image and then translate and pixels by this offset to make the new min component 0.

virtual void osgVolume::ImageLayer::update ( osg::NodeVisitor &  )

virtual

Call update on the Layer.

Reimplemented from osgVolume::Layer.

Member Data Documentation

osg::ref_ptr<osg::Image> osgVolume::ImageLayer::_image

protected

osg::Vec4 osgVolume::ImageLayer::_texelOffset

protected

osg::Vec4 osgVolume::ImageLayer::_texelScale

protected

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The documentation for this class was generated from the following file:

• osgVolume/Layer