Uses of Class
com.openinventor.inventor.devices.SoBufferObject

Packages that use SoBufferObject

Package	Description
com.openinventor.inventor	Open Inventor is an object-oriented and OpenGL-based API for real-time 3D visualization.
com.openinventor.inventor.algorithms	Module that define available Open Inventor optimized algoritms.
com.openinventor.inventor.devices	Open Inventor supported devices.
com.openinventor.inventor.fields
com.openinventor.inventor.image
com.openinventor.inventor.nodes
com.openinventor.ldm	Large Data Management.
com.openinventor.ldm.converters
com.openinventor.ldm.nodes
com.openinventor.ldm.readers
com.openinventor.ldm.tiles
com.openinventor.ldm.writers
com.openinventor.volumeviz.nodes
com.openinventor.volumeviz.readers
com.openinventor.volumeviz.readers.dicom

Uses of SoBufferObject in com.openinventor.inventor

Methods in com.openinventor.inventor with parameters of type SoBufferObject

Modifier and Type	Method	Description
boolean	SoOffscreenRenderArea.renderToBuffer(SoBufferObject buffer)	Calls renderToBuffer(buffer, SoOffscreenRenderArea.OutputFormats.valueOf( SoOffscreenRenderArea.OutputFormats.RGB.getValue() )).
boolean	SoOffscreenRenderArea.renderToBuffer(SoBufferObject buffer, SoOffscreenRenderArea.OutputFormats outputFormat)	Render the given scene graph and save the result in the given buffer.

Uses of SoBufferObject in com.openinventor.inventor.algorithms

Methods in com.openinventor.inventor.algorithms that return SoBufferObject

Modifier and Type	Method	Description
SoBufferObject	SoAlgorithms.createBufferObject()	Returns an instance of a SoBufferObject according to the hardware used by the loaded module.

Methods in com.openinventor.inventor.algorithms with parameters of type SoBufferObject

Modifier and Type	Method	Description
int	SoArithmetic.add(SoBufferObject inputBufferA, SbDataType typeA, SoBufferObject inputBufferB, SbDataType typeB, SoBufferObject outputBufferC, SbDataType typeC)	Add two buffers into a third one.
int	SoSeismic.computeEnvelope(SoBufferObject sourceBufferObject, SoBufferObject targetBufferObject, int traceSize, int numTrace)	Compute envelope (amplitude) attribute on a set of seismic traces.
int	SoSeismic.computeHilbert(SoBufferObject sourceBufferObject, SoBufferObject targetBufferObject, int width, int height)	Compute Hilbert transform on a set of seismic traces.
int	SoSeismic.computeInstPhase(SoBufferObject sourceBufferObject, SoBufferObject targetBufferObject, int traceSize, int numTrace)	Compute instantaneous phase attribute on a set of seismic traces.
double[]	SoArithmetic.computeMinMax(SoBufferObject inputBuffer, SbDataType dataType)	Compute min max of all values contained in a buffer.
double[]	SoArithmetic.computeMinMax(SoBufferObject inputBuffer, SbDataType dataType, SbVec3i32 arrayDim, SbBox3i32 range)	Compute min max of values contained in the specified range of the buffer.
double[]	SoArithmetic.computeMinMaxWithUndefinedValue(SoBufferObject inputBuffer, SbDataType dataType, double undefinedValue)	Compute min max of all values contained in a buffer that are not equal to the specified undefined value.
double[]	SoArithmetic.computeMinMaxWithUndefinedValue(SoBufferObject inputBuffer, SbDataType dataType, SbVec3i32 arrayDim, SbBox3i32 range, double undefinedValue)	Compute min max of values contained in the specified range of the buffer that are not equal to the specified undefined value.
int	SoConversion.convert(SoBufferObject sourceBufferObject, SbDataType src_type, SoBufferObject targetBufferObject, SbDataType dst_type, long size)	Convert the data in a buffer object from one data type to another one.
int	SoConversion.convertFloatToRGBA(SoBufferObject sourceBufferObject, SoBufferObject targetBufferObject, long size, float dataMin, float dataMax)	Convert FLOAT data stored in a buffer to (grayscale) RGBA data.
int	SoDataExtract.copyPlane(SoBufferObject inputTile, int tileDimX, int tileDimY, int tileDimZ, int originX, int originY, int originZ, int datumSize, int bufDimX, int qminX, int qminY, int qminZ, int qmaxX, int qmaxY, int qmaxZ, float normI, float normJ, float normK, float distance, int xAxis, int yAxis, int zAxis, SoBufferObject outputBuffer)	Copy a plane.
int	SoDataExtract.copyTile(SoBufferObject inputTile, int tileDimx, int tileDimy, int tileDimz, int originX, int originY, int originZ, int datumSize, int bufDimX, int bufDimY, int bufDimZ, int vMinX, int vMinY, int vMinZ, int vMaxX, int vMaxY, int vMaxZ, SoBufferObject outputBuffer)	Copy a tile.
int	SoDataExtract.getXSliceFromTile(SoBufferObject inputTile, int dimx, int dimy, int dimz, int datumSize, int slice, SoBufferObject outputSlice)	Extract an X axis slice Given a buffer containing an LDM volume data tile, extract the Nth slice of data along the X axis, where slices are numbered 0 to dimx-1.
int	SoDataExtract.getYSliceFromTile(SoBufferObject inputTile, int dimx, int dimy, int dimz, int datumSize, int slice, SoBufferObject outputSlice)	Extract an X axis slice Given a buffer containing an LDM volume data tile, extract the Nth slice of data along the X axis, where slices are numbered 0 to dimx-1.
int	SoDataExtract.getZSliceFromTile(SoBufferObject inputTile, int dimx, int dimy, int dimz, int datumSize, int slice, SoBufferObject outputSlice)	Extract an X axis slice Given a buffer containing an LDM volume data tile, extract the Nth slice of data along the X axis, where slices are numbered 0 to dimx-1.
int	SoArithmetic.madd(SoBufferObject inputBufferA, SbDataType typeA, SoBufferObject inputBufferB, SbDataType typeB, SoBufferObject outputBufferC, SbDataType typeC, float scaleValue)	C = A * scale + B Note: C can be a reference to A or B Limitation: typeA and typeB must be the same as typeC.
int	SoArithmetic.mult(SoBufferObject inputBufferA, SbDataType typeA, SoBufferObject inputBufferB, SbDataType typeB, SoBufferObject outputBufferC, SbDataType typeC)	Multiply two buffers into a third one.
int	SoArithmetic.scale(SoBufferObject inputBufferA, SbDataType typeA, SoBufferObject outputBufferB, SbDataType typeB, float scaleValue)	B = A * scaleFactor Note: B can be a reference to A Limitation: typeA must be the same as typeC.
int	SoArithmetic.shift(SoBufferObject inputBufferA, SbDataType typeA, SoBufferObject outputBufferB, SbDataType typeB, float shiftFactor)	B = A + shiftFactor Note: B can be a reference to A Limitation: typeA must be the same as typeC.

Uses of SoBufferObject in com.openinventor.inventor.devices

Subclasses of SoBufferObject in com.openinventor.inventor.devices

Modifier and Type	Class	Description
class	SoCpuBufferObject	CPU buffer object class.
class	SoGLBufferObject	OpenGL buffer object class.
class	SoGpuBufferObject	GPU buffer object class.
class	SoInteropBufferObject	Abstract base class for interoperability buffer object management.

Methods in com.openinventor.inventor.devices that return SoBufferObject

Modifier and Type	Method	Description
SoBufferObject	SoBufferObject.createInstance()	Create a new buffer with the same properties as the current one.
SoBufferObject	SoBufferObject.getMappedBufferObject()	Returns a pointer to the buffer object which is mapped by the actual object.

Methods in com.openinventor.inventor.devices with parameters of type SoBufferObject

Modifier and Type	Method	Description
void	SoBufferObject.map(SoBufferObject targetBufferObject, SoBufferObject.AccessModes accessMode)	Calls map(targetBufferObject, accessMode, (long)0, (long)SO_BUFFER_SIZE_ALL).
void	SoBufferObject.map(SoBufferObject targetBufferObject, SoBufferObject.AccessModes accessMode, long startPosition)	Calls map(targetBufferObject, accessMode, startPosition, (long)SO_BUFFER_SIZE_ALL).
void	SoBufferObject.map(SoBufferObject targetBufferObject, SoBufferObject.AccessModes accessMode, long startPosition, long mappingSize)	Maps the current buffer object into the specified buffer object.
void	SoBufferObject.memcpy(SoBufferObject sourceBufferObject)	Calls memcpy(sourceBufferObject, (long)0, (long)0, (long)SO_BUFFER_SIZE_ALL).
void	SoBufferObject.memcpy(SoBufferObject sourceBufferObject, long destOffset)	Calls memcpy(sourceBufferObject, destOffset, (long)0, (long)SO_BUFFER_SIZE_ALL).
void	SoBufferObject.memcpy(SoBufferObject sourceBufferObject, long destOffset, long sourceOffset)	Calls memcpy(sourceBufferObject, destOffset, sourceOffset, (long)SO_BUFFER_SIZE_ALL).
void	SoBufferObject.memcpy(SoBufferObject sourceBufferObject, long destOffset, long sourceOffset, long copySize)	Copies data from the specified buffer object into this buffer object.
void	SoBufferObject.unmap(SoBufferObject bufferObject)	Unmap this buffer from the specified buffer object.

Uses of SoBufferObject in com.openinventor.inventor.fields

Fields in com.openinventor.inventor.fields declared as SoBufferObject

Modifier and Type	Field	Description
SoBufferObject	SoSFImage3.BufferObject.returnedValue

Methods in com.openinventor.inventor.fields that return SoBufferObject

Modifier and Type	Method	Description
SoBufferObject	SoSFBufferObject.getValue()	Returns this field's value.
SoBufferObject	SoMFBufferObject.getValueAt(int i)

Methods in com.openinventor.inventor.fields with parameters of type SoBufferObject

Modifier and Type	Method	Description
int	SoMFBufferObject.find(SoBufferObject targetValue)	Calls find(targetValue, false).
int	SoMFBufferObject.find(SoBufferObject targetValue, boolean addIfNotFound)	Finds the given targetValue in the array and returns the index of that value.
void	SoMFBufferObject.set1Value(int index, SoBufferObject newValue)	Sets the index'th value in the array to newValue.
void	SoMFBufferObject.setValue(SoBufferObject newValue)	Sets the first value in the array to newValue, and deletes.
void	SoSFBufferObject.setValue(SoBufferObject newValue)	Sets this field to newValue.
void	SoSFImage.setValue(SbVec2i32 size, int nc, SoSFImage.DataTypes dataType, SoBufferObject bufferObject)	Calls setValue(size, nc, dataType, bufferObject, SoSFImage.CopyPolicies.valueOf( SoSFImage.CopyPolicies.COPY.getValue() )).
void	SoSFImage.setValue(SbVec2i32 size, int nc, SoSFImage.DataTypes dataType, SoBufferObject bufferObject, SoSFImage.CopyPolicies copy)
void	SoSFImage.setValue(SbVec2s size, int nc, SoSFImage.DataTypes dataType, SoBufferObject bufferObject)	Calls setValue(size, nc, dataType, bufferObject, SoSFImage.CopyPolicies.valueOf( SoSFImage.CopyPolicies.COPY.getValue() )).
void	SoSFImage.setValue(SbVec2s size, int nc, SoSFImage.DataTypes dataType, SoBufferObject bufferObject, SoSFImage.CopyPolicies copy)
void	SoSFImage3.setValue(SbVec3i32 size, int nc, SoSFImage.DataTypes dataType, SoBufferObject bufferObject)	Calls setValue(size, nc, dataType, bufferObject, SoSFImage3.CopyPolicies.valueOf( SoSFImage3.CopyPolicies.COPY.getValue() )).
void	SoSFImage3.setValue(SbVec3i32 size, int nc, SoSFImage.DataTypes dataType, SoBufferObject bufferObject, SoSFImage3.CopyPolicies copy)	Sets the value of this field to be an image of the given size, with the given number of components, and with the given pixel values.
void	SoSFImage3.setValue(SbVec3s size, int nc, SoBufferObject bufferObject)	Calls setValue(size, nc, bufferObject, SoSFImage3.CopyPolicies.valueOf( SoSFImage3.CopyPolicies.COPY.getValue() )).
void	SoSFImage3.setValue(SbVec3s size, int nc, SoBufferObject bufferObject, SoSFImage3.CopyPolicies copy)	Sets the value of this field to be an image of the given size, with the given number of components, and with the given pixel values.
void	SoMFBufferObject.setValues(int start, SoBufferObject[] newValues)	Sets num values starting at index start to the values.

Constructors in com.openinventor.inventor.fields with parameters of type SoBufferObject

Modifier	Constructor	Description
	SoSFBufferObject(SoFieldContainer fieldContainer, String fieldName, SoField.FieldTypes fieldType, SoBufferObject defaultValue)	Default constructor.

Uses of SoBufferObject in com.openinventor.inventor.image

Methods in com.openinventor.inventor.image that return SoBufferObject

Modifier and Type	Method	Description
SoBufferObject	SbRasterImage.getBufferObject()	Returns the pixel buffer of the raster image.

Methods in com.openinventor.inventor.image with parameters of type SoBufferObject

Modifier and Type	Method	Description
void	SbRasterImage.setBuffer(SoBufferObject bufferObject)	Sets the pixel buffer of the raster image.

Constructors in com.openinventor.inventor.image with parameters of type SoBufferObject

Modifier	Constructor	Description
	SbRasterImage(SbVec2i32 size, SbRasterImage.Components components, SoBufferObject bufferObject)	Constructor that initializes with an image.

Uses of SoBufferObject in com.openinventor.inventor.nodes

Methods in com.openinventor.inventor.nodes with parameters of type SoBufferObject

Modifier and Type	Method	Description
static SoInstanceParameter	SoInstanceParameter.createPredefinedParameter(SoInstanceParameter.PredefinedParameters paramKey, SoBufferObject values)	Calls createPredefinedParameter(paramKey, values, (int)1).
static SoInstanceParameter	SoInstanceParameter.createPredefinedParameter(SoInstanceParameter.PredefinedParameters paramKey, SoBufferObject values, int divisor)	Creates an instance parameter object for one of the predefined attribute names.
void	SoVertexAttribFeedback.registerFeedback(String varyingName, SoBufferObject bufferObject)	Calls registerFeedback(varyingName, bufferObject, (int)-1).
void	SoVertexAttribFeedback.registerFeedback(String varyingName, SoBufferObject bufferObject, int primitiveSize)	This function allows to attach a buffer object to a specific varying of the shader pushed on the state.

Uses of SoBufferObject in com.openinventor.ldm

Methods in com.openinventor.ldm with parameters of type SoBufferObject

Modifier and Type	Method	Description
void	SoVolumeHistogram.addValues(SoBufferObject values, int numValues)	Add to the histogram a 1D array of values.
void	SoVolumeHistogram.addValues(SoBufferObject values, SbVec3i32 arrayDim)	Add to the histogram a 3D array of values.
void	SoVolumeHistogram.addValues(SoBufferObject values, SbVec3i32 arrayDim, SbBox3i32 range)	Add to the histogram the values in the specified range inside the given array.
static double[]	SoVolumeHistogram.computeMinMax(SoBufferObject valuesBuffer, SbDataType dataType, SbVec3i32 arrayDim, SbBox3i32 range)	Compute min max.
static double[]	SoVolumeHistogram.computeMinMaxWithUndefined(SoBufferObject valuesBuffer, double undefinedValue, SbDataType dataType, SbVec3i32 arrayDim, SbBox3i32 range)	Compute min max.
SoLDMDataAccess.DataInfoBox	SoLDMDataAccess.getData(int resolution, SbBox3i32 subVolume, SoBufferObject bufferObj)	Given a subvolume in voxel coordinates, copies the associated data into an application buffer.
SoLDMDataAccess.DataInfoLine	SoLDMDataAccess.getData(int resolution, SbBox3i32 subVolume, SbLine line, SoBufferObject bufferObj)	Given a subvolume in voxel coordinates and a line, copies the data intersecting the line and the subvolume into an application buffer.
SoLDMDataAccess.DataInfoPlane	SoLDMDataAccess.getData(int resolution, SbBox3i32 subVolume, SbPlane plane, SoBufferObject bufferObj)	Given a subvolume in voxel coordinates and a plane, copies the data intersecting the plane and the subvolume into an application buffer
SoLDMDataAccess.DataInfoTrace	SoLDMDataAccess.getData(int resolution, SbBox3i32 subVolume, SbVec2i32 coord, SoBufferObject bufferObj)	Data values in a single seismic trace (a row of voxels along the volume X axis) are copied into an application buffer.
int	SoLDMDataAccess.requestData(int resolution, SbBox3i32 box, SoBufferObject bufferObj)	Given a subvolume in voxel coordinates, asynchronously copies the associated data into an application buffer.
int	SoLDMDataAccess.requestData(int resolution, SbBox3i32 subVolume0, SbLine line, SoBufferObject bufferObj)	Given a subvolume in voxel coordinates and a line, asynchronously copies the data intersecting the line and the subvolume into an application buffer.
int	SoLDMDataAccess.requestData(int resolution, SbBox3i32 subVolume, SbPlane plane, SoBufferObject bufferObj)	Given a subvolume in voxel coordinates and a plane, asynchronously copies the data intersecting the plane and the subvolume into an application buffer.
int	SoLDMDataAccess.requestData(int resolution, SbBox3i32 subVolume0, SbVec2i32 coord, SoBufferObject bufferObj)	Data values in a single seismic trace (a row of voxels along the volume X axis) are asynchronously copied into an application buffer.
int	SoLDMDataAccess.requestData(int resolution, SbBox3i32 subVolume, SbVec3i32[] polyline, SoBufferObject bufferObj)	Given a subvolume in voxel coordinates and a stack of line, asynchronously copies the data intersecting each line and the subvolume into an application buffer.

Uses of SoBufferObject in com.openinventor.ldm.converters

Methods in com.openinventor.ldm.converters with parameters of type SoBufferObject

Modifier and Type	Method	Description
int	SoLDMWriter.writeSubVolume(SbBox3i32 subVolume, SoBufferObject data)	Calls writeSubVolume(subVolume, data, true, true).
int	SoLDMWriter.writeSubVolume(SbBox3i32 subVolume, SoBufferObject data, boolean doLowerResolution)	Calls writeSubVolume(subVolume, data, doLowerResolution, true).
int	SoLDMWriter.writeSubVolume(SbBox3i32 subVolume, SoBufferObject data, boolean doLowerResolution, boolean doOverlappingTiles)	Writes the data contained in the specified subVolume into the LDM file.
int	SoLDMWriter.writeTile(SbVec3i32 location, SoBufferObject data)	Calls writeTile(location, data, (int)0).
int	SoLDMWriter.writeTile(SbVec3i32 location, SoBufferObject data, int resolution)	Writes the tile which includes location in data coordinates, at the specified resolution level, into the LDM file.
int	SoLDMWriter.writeTile(SoLDMTileID tileID, SoBufferObject data)	Writes the specified tile tileID into the LDM file.

Uses of SoBufferObject in com.openinventor.ldm.nodes

Methods in com.openinventor.ldm.nodes with parameters of type SoBufferObject

Modifier and Type	Method	Description
int[]	SoDataCompositor.compose(int numDataSet, SbVec3i32 tileDimension, SoBufferObject[] inputBuffer, SoBufferObject outputBuffer)	The compose method can be overridden in a subclass to specify a custom composition.
int	SoDataSet.editSubVolume(SbBox3i32 subVolume, SoBufferObject userData)	Replaces the contents of a subvolume with the given data.
int	SoDataSet.editTile(SoLDMTileID tileId, SoBufferObject userData)	Replaces the contents of a tile with the given data.
void	SoDataSet.readTile(SoLDMTileID tileID, SoBufferObject buffer, boolean transform)	Copies the specified tile into the provided buffer.
void	SoLDMDataTransform.transformFunction(SoDataSet ds, SbVec3i32 bufferDimension, SoBufferObject bufferToTransform, SbBox3i32 dataBox, int resolutionLevel)	Data transform function.
void	SoDataSet.useFakeData(SoLDMTileID name_10602, SoBufferObject name_10603)	Creates fake data in buffer.
void	SoDataSet.writeTile(SoLDMTileID tileID, SoBufferObject buffer, SoVolumeWriter writer)	Write the specified tile using the specified writer.

Uses of SoBufferObject in com.openinventor.ldm.readers

Methods in com.openinventor.ldm.readers that return SoBufferObject

Modifier and Type	Method	Description
SoBufferObject	SoVolumeReader.readTile(int index, SbBox3i32 tilePosition)	Given an index, reads a tile if the data is organized in tiles (for LDM).

Methods in com.openinventor.ldm.readers with parameters of type SoBufferObject

Modifier and Type	Method	Description
void	SoVolumeReader.getSubSlice(SbBox2i32 subSlice, int sliceNumber, SoBufferObject dataBuffer)	This method is called by Open Inventor during an LDM conversion or during volume loading.
boolean	SoVolumeReader.readTile(int index, SoBufferObject buffer, SbBox3i32 tilePosition)	Deprecated. As of Open Inventor 8.5.0.0.

Uses of SoBufferObject in com.openinventor.ldm.tiles

Subclasses of SoBufferObject in com.openinventor.ldm.tiles

Modifier and Type	Class	Description
class	SoCpuBufferAsyncBasicProperty	LDM buffer object handling basic LDM tile information and implementing asynchronous buffer interface.
class	SoCpuBufferBasicProperty	LDM buffer object handling basic LDM tile information.
class	SoCpuBufferBitSet	LDM buffer object optimized for bitset tile data.
class	SoCpuBufferCompressed	LDM buffer object optimized for compressed tile data.
class	SoCpuBufferFromVolumeReader	LDM buffer object optimized for in memory reader tile data.
class	SoCpuBufferUniform	LDM buffer object optimized for uniform (single value) tile data.

Uses of SoBufferObject in com.openinventor.ldm.writers

Methods in com.openinventor.ldm.writers with parameters of type SoBufferObject

Modifier and Type	Method	Description
boolean	SoVolumeWriter.writeSubSlice(int sliceIndex, SbBox2i32 subSlice, SoBufferObject buffer)	Writes the data contained in the specified subslice.
boolean	SoVolumeWriter.writeTile(SoLDMTileID tileId, SoBufferObject buffer)	Given a tileID, writes a tile if the data is organized in tiles (see SoLDMTileID).

Uses of SoBufferObject in com.openinventor.volumeviz.nodes

Methods in com.openinventor.volumeviz.nodes that return SoBufferObject

Modifier and Type	Method	Description
SoBufferObject	SoVolumeTransform.getFromCache(SoLDMTileID tileID)	Returns the previously transformed data for a specific tile.

Methods in com.openinventor.volumeviz.nodes with parameters of type SoBufferObject

Modifier and Type	Method	Description
void	SoVolumeTransform.addInCache(SoLDMTileID tileID, SoBufferObject bufferObject)	Add the transformed data for a specific tile to the cache.
int	SoVolumeData.editSubVolume(SbBox3i32 subVolume, SoBufferObject userData)	Replaces the contents of a subvolume with the given data.
int	SoVolumeMask.editSubVolume(SbBox3i32 subVolume, SoBufferObject userData)	Replace the contents of a subvolume with the given data.
int	SoVolumeData.editTile(SoLDMTileID tileId, SoBufferObject userData)	Replaces the contents of a tile with the given data.
void	SoVolumeData.useFakeData(SoLDMTileID name_25125, SoBufferObject name_25126)	Creates fake data in buffer.

Uses of SoBufferObject in com.openinventor.volumeviz.readers

Methods in com.openinventor.volumeviz.readers with parameters of type SoBufferObject

Modifier and Type	Method	Description
void	SoVRMemoryReader.setProperties(SbBox3f size, SoDataSet.DataTypes type, SbVec3i32 dim, SoBufferObject internalData, int sigBits)	Sets properties of the reader.
void	SoVRMemoryReader.setProperties(SbBox3f size, SoDataSet.DataTypes type, SbVec3i32 dim, SbVec2i32 padding, SoBufferObject internalData, int sigBits)	Sets properties of the reader.
void	SoVRMemoryReader.setProperties(SbBox3f size, SoDataSet.DataTypes type, SbVec3s dim, SoBufferObject internalData)	Calls setProperties(size, type, dim, internalData, (int)0).
void	SoVRMemoryReader.setProperties(SbBox3f size, SoDataSet.DataTypes type, SbVec3s dim, SoBufferObject internalData, int sigBits)	Sets properties of the reader.

Uses of SoBufferObject in com.openinventor.volumeviz.readers.dicom

Methods in com.openinventor.volumeviz.readers.dicom with parameters of type SoBufferObject

Modifier and Type	Method	Description
void	SiDicomValue.getBuffer(SoBufferObject buffer)	Copies the internal buffer to the given one.
boolean	SiDicomDataSet.getElementBufferValue(SoDicomTag tag, SoBufferObject buffer)	Shortcut to extract an element's buffer value.