Package gov.nih.mipav.view.renderer.J3D.volumeview

Class RendererImageData

java.lang.Object

gov.nih.mipav.view.renderer.J3D.volumeview.RendererImageData

public class RendererImageData
extends java.lang.Object

Storage of values for a 3D volume used by the volume renderers.

Field Summary

Fields

Modifier and Type	Field	Description
private byte[]	m_acImageA	DOCUMENT ME!
private byte[]	m_acImageB	DOCUMENT ME!
private byte[]	m_acImageG	DOCUMENT ME!
private byte[]	m_acImageR	DOCUMENT ME!
private float[]	m_afData	DOCUMENT ME!
private int	m_iNumVoxels	Dimensions of the volume.
private int	m_iSizeX	DOCUMENT ME!
private int	m_iSizeY	DOCUMENT ME!
private int	m_iSizeZ	DOCUMENT ME!
private ModelImage	m_kImage	DOCUMENT ME!
private ModelSimpleImage	m_kImageGradMag	DOCUMENT ME!
private ModelRGB	m_kIntensityRGB	RGB intensity map for color images only.
private ModelRGB	m_kOpacityRGB	RGB opacity map for color images only.
private static javax.vecmath.Vector3f	m_kZeroVector	DOCUMENT ME!

Constructor Summary

Constructors

Constructor	Description
RendererImageData(ModelImage kImage)	Constructor to setup renderer image data associated with specified 3D volume.

Method Summary

Modifier and Type	Method	Description
private void	computeImageBytes(float[] afData, ModelRGB kIntensityRGB, RendererMapColor kMapColorToIntensity, JPanelVolumeOpacity volOpacityObj)
private void	computeImageBytes(float[] afData, ModelRGB kIntensityRGB, RendererMapColor kMapColorToIntensity, JPanelVolOpacityRGB volOpacityObj)	Deprecated.
private void	computeImageBytes(float[] afData, TransferFunction transferFunction)	Given an intensity volume and opacity map, fill in the byte and alpha values for each voxel.
private void	computeImageBytes(float[] afData, TransferFunction transferFunction, ModelLUT kModelLut)	Given an intensity volume, opacity map, and color map, fill in the byte red, green, blue, and alpha values for each voxel.
private javax.vecmath.Vector3f[]	createImageNormals(float[] afData)	Create array of normal vectors corresponding to the voxels in the volume.
void	disposeLocal()	Clean up memory.
protected void	finalize()	Calls dispose.
private void	modulateAlphaImageBytes(float[] afData, TransferFunction transferFunction)	Given a single value volume and opacity map, modulate the alpha channel values for each value.
private void	modulateAlphaImageBytes(float[] afData, RendererMapColor kMapColorToIntensity, ModelRGB kOpacityRGB)	Given an RGB value volume and opacity map for each channel, modulate the alpha channel values for each value.
boolean	updateRenderer(Renderer kRayTracer, ModelLUT kLUT, TransferFunction transferFunction, ViewJComponentVolOpacity kOpacityGradMag, int iTimeSlice, boolean bUpdatedTimeSlice, boolean bUpdatedLut, boolean bForceShow)	Update the data for the intensity-based color mapped image.
boolean	updateRenderer(Renderer kRayTracer, ModelRGB kIntensityRGB, JPanelVolumeOpacity volOpacityObj, int iTimeSlice, boolean bUpdatedTimeSlice, boolean bForceShow)
boolean	updateRenderer(Renderer kRayTracer, ModelRGB kIntensityRGB, JPanelVolOpacityRGB volOpacityObj, int iTimeSlice, boolean bUpdatedTimeSlice, boolean bForceShow)	Deprecated.

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

m_kZeroVector

private static final javax.vecmath.Vector3f m_kZeroVector

DOCUMENT ME!

m_acImageA

private byte[] m_acImageA

DOCUMENT ME!

m_acImageB

private byte[] m_acImageB

DOCUMENT ME!

m_acImageG

private byte[] m_acImageG

DOCUMENT ME!

m_acImageR

private byte[] m_acImageR

DOCUMENT ME!

m_afData

private float[] m_afData

DOCUMENT ME!

m_iNumVoxels

private final int m_iNumVoxels

Dimensions of the volume.

m_iSizeX

private final int m_iSizeX

DOCUMENT ME!

m_iSizeY

private final int m_iSizeY

DOCUMENT ME!

m_iSizeZ

private final int m_iSizeZ

DOCUMENT ME!

m_kImage

private ModelImage m_kImage

DOCUMENT ME!

m_kImageGradMag

private ModelSimpleImage m_kImageGradMag

DOCUMENT ME!

m_kIntensityRGB

private ModelRGB m_kIntensityRGB

RGB intensity map for color images only.

m_kOpacityRGB

private ModelRGB m_kOpacityRGB

RGB opacity map for color images only.

Constructor Detail

RendererImageData

public RendererImageData(ModelImage kImage)

Constructor to setup renderer image data associated with specified 3D volume.

Parameters:

kImage - ModelImage Input volume.

Method Detail

disposeLocal

public void disposeLocal()

Clean up memory.

updateRenderer

public boolean updateRenderer(Renderer kRayTracer,
                              ModelLUT kLUT,
                              TransferFunction transferFunction,
                              ViewJComponentVolOpacity kOpacityGradMag,
                              int iTimeSlice,
                              boolean bUpdatedTimeSlice,
                              boolean bUpdatedLut,
                              boolean bForceShow)

Update the data for the intensity-based color mapped image.

Parameters:

kRayTracer - Renderer Used to renderer the ray traced image.

kLUT - ModelLUT Input color map definition.

transferFunction - int[] Input intensity opacity map definition

kOpacityGradMag - ViewJComponentVolOpacity Input gradient magnitude opacity map (optional by specifying a null reference).

iTimeSlice - int Current time slice of data in the volume.

bUpdatedTimeSlice - boolean Flag set if time slice is different.

bUpdatedLut - boolean Flag set if color map definition is different.

bForceShow - boolean Flag set if the color mapping must be performed even if nothing else changed.

Returns:

boolean True if renderer is up-to-date; false if an error occurred.

updateRenderer

public boolean updateRenderer(Renderer kRayTracer,
                              ModelRGB kIntensityRGB,
                              JPanelVolOpacityRGB volOpacityObj,
                              int iTimeSlice,
                              boolean bUpdatedTimeSlice,
                              boolean bForceShow)

Deprecated.

Update the data for the ARGB color image.

Parameters:

kRayTracer - Renderer Used to renderer the ray traced image.

kIntensityRGB - ModelRGB Input transfer function for each RGB channel.

volOpacityObj - image opacity histogram reference.

iTimeSlice - int Current time slice of data in the volume.

bUpdatedTimeSlice - boolean Flag set if time slice is different.

bForceShow - boolean Flag set if the color mapping must be performed even if nothing else changed.

Returns:

boolean True if renderer is up-to-date; false if an error occurred.

See Also:

JPanelVolumeOpacity

updateRenderer

public boolean updateRenderer(Renderer kRayTracer,
                              ModelRGB kIntensityRGB,
                              JPanelVolumeOpacity volOpacityObj,
                              int iTimeSlice,
                              boolean bUpdatedTimeSlice,
                              boolean bForceShow)

finalize

protected void finalize()
                 throws java.lang.Throwable

Calls dispose.

Overrides:

finalize in class java.lang.Object

Throws:

java.lang.Throwable - DOCUMENT ME!

computeImageBytes

private void computeImageBytes(float[] afData,
                               TransferFunction transferFunction)

Given an intensity volume and opacity map, fill in the byte and alpha values for each voxel.

Parameters:

afData - float[] Input array of voxel intensity values.

transferFunction - int[] Input opacity map to apply to values.

computeImageBytes

private void computeImageBytes(float[] afData,
                               TransferFunction transferFunction,
                               ModelLUT kModelLut)

Given an intensity volume, opacity map, and color map, fill in the byte red, green, blue, and alpha values for each voxel.

Parameters:

afData - float[] Input array of voxel intensity values.

transferFunction - int[] Input opacity map to apply to values.

kModelLut - ModelLUT Input color map to apply to values.

computeImageBytes

private void computeImageBytes(float[] afData,
                               ModelRGB kIntensityRGB,
                               RendererMapColor kMapColorToIntensity,
                               JPanelVolOpacityRGB volOpacityObj)

Deprecated.

Given an RGB volume, a map from RGB to intensity, and an opacity map, fill in the RGB byte and alpha values for each voxel.

Parameters:

afData - float[] Input array of voxel ARGB channel values interleaved.

kIntensityRGB - ModelRGB Input transfer function for each RGB channel.

kMapColorToIntensity - RendererMapColor Map to convert RGB channel valeus to intensity.

volOpacityObj - opacity map to apply to values.

See Also:

JPanelVolumeOpacity

computeImageBytes

private void computeImageBytes(float[] afData,
                               ModelRGB kIntensityRGB,
                               RendererMapColor kMapColorToIntensity,
                               JPanelVolumeOpacity volOpacityObj)

createImageNormals

private javax.vecmath.Vector3f[] createImageNormals(float[] afData)

Create array of normal vectors corresponding to the voxels in the volume. The normal vector is computed based on the gradient of the volume intensity values.

Parameters:

afData - float[] Input array of voxel values.

Returns:

DOCUMENT ME!

modulateAlphaImageBytes

private void modulateAlphaImageBytes(float[] afData,
                                     TransferFunction transferFunction)

Given a single value volume and opacity map, modulate the alpha channel values for each value.

Parameters:

afData - float[] Input array of voxel values.

transferFunction - int[] Input opacity map to apply to values.

modulateAlphaImageBytes

private void modulateAlphaImageBytes(float[] afData,
                                     RendererMapColor kMapColorToIntensity,
                                     ModelRGB kOpacityRGB)

Given an RGB value volume and opacity map for each channel, modulate the alpha channel values for each value.

Parameters:

afData - float[] Input array of voxel values.

kMapColorToIntensity - RendererMapColor Map to convert RGB channel valeus to intensity.

kOpacityRGB - ModelRGB Input opacity map to apply to values.