osgVolume::ImageLayer Class Reference

Inheritance diagram for osgVolume::ImageLayer:

List of all members.

Public Member Functions
	ImageLayer (osg::Image *image=0)
	ImageLayer (const ImageLayer &imageLayer, const osg::CopyOp &copyop=osg::CopyOp::SHALLOW_COPY)
	Copy constructor using CopyOp to manage deep vs shallow copy.
	META_Object (osgVolume, ImageLayer)
void	setFileName (const std::string &filename)
	Set the file name of the data associated with this layer.
virtual const std::string &	getFileName () const
	Get the file name of the layer.
void	setImage (osg::Image *image)
virtual osg::Image *	getImage ()
	Return image associated with layer.
virtual const osg::Image *	getImage () const
	Return const image associated with layer.
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)
	Compute the min and max pixel colors.
void	offsetAndScaleImage (const osg::Vec4 &offset, const osg::Vec4 &scale)
	Apply color transformation to pixels using c' = offset + c * scale .
void	rescaleToZeroToOneRange ()
	Compute the min max range of the image, and then remap this to a 0 to 1 range.
void	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 bool	requiresUpdateTraversal () const
	Specify whether ImageLayer requires update traversal.
virtual void	update (osg::NodeVisitor &)
	Call update on the Layer.
virtual void	dirty ()
	increment the modified count.
virtual void	setModifiedCount (unsigned int value)
	Set the modified count value.
virtual unsigned int	getModifiedCount () const
	Get modified count value.
Protected Member Functions
virtual	~ImageLayer ()
Protected Attributes
osg::Vec4	_texelOffset
osg::Vec4	_texelScale
osg::ref_ptr< osg::Image >	_image

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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

(

)

[inline, protected, virtual]

---

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 [inline, virtual]

Get the file name of the layer.

Reimplemented from osgVolume::Layer.

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

(

)

[inline, virtual]

Return image associated with layer.

Reimplemented from osgVolume::Layer.

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

(

)

const [inline, virtual]

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

)

[inline, virtual]

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.

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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