本文整理汇总了C++中FactoryResource::setColumns方法的典型用法代码示例。如果您正苦于以下问题:C++ FactoryResource::setColumns方法的具体用法?C++ FactoryResource::setColumns怎么用?C++ FactoryResource::setColumns使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类FactoryResource
的用法示例。
在下文中一共展示了FactoryResource::setColumns方法的8个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: getAccessor
DataAccessor getAccessor(int band, bool writable = false) {
FactoryResource<DataRequest> pRequest = FactoryResource<DataRequest>();
pRequest->setRows(pDataDescriptor->getActiveRow(0), pDataDescriptor->getActiveRow(getRowCount() - 1));
pRequest->setColumns(pDataDescriptor->getActiveColumn(0), pDataDescriptor->getActiveColumn(getColumnCount() - 1));
pRequest->setBands(pDataDescriptor->getActiveBand(band), pDataDescriptor->getActiveBand(band));
pRequest->setWritable(writable);
return pRaster->getDataAccessor(pRequest.release());
}
示例2: getReporter
void ConvolutionFilterShell::ConvolutionFilterThread::convolve(const T*)
{
int numResultsCols = mInput.mpIterCheck->getNumSelectedColumns();
if (mInput.mpResult == NULL)
{
return;
}
const RasterDataDescriptor* pResultDescriptor = static_cast<const RasterDataDescriptor*>(
mInput.mpResult->getDataDescriptor());
// account for AOIs which extend outside the dataset
int maxRowNum = static_cast<int>(mInput.mpDescriptor->getRowCount()) - 1;
mRowRange.mFirst = std::max(0, mRowRange.mFirst);
mRowRange.mLast = std::min(mRowRange.mLast, maxRowNum);
unsigned int bandCount = mInput.mBands.size();
for (unsigned int bandNum = 0; bandNum < bandCount; ++bandNum)
{
FactoryResource<DataRequest> pResultRequest;
pResultRequest->setRows(pResultDescriptor->getActiveRow(mRowRange.mFirst),
pResultDescriptor->getActiveRow(mRowRange.mLast));
pResultRequest->setColumns(pResultDescriptor->getActiveColumn(0),
pResultDescriptor->getActiveColumn(numResultsCols - 1));
pResultRequest->setBands(pResultDescriptor->getActiveBand(bandNum),
pResultDescriptor->getActiveBand(bandNum));
pResultRequest->setWritable(true);
DataAccessor resultAccessor = mInput.mpResult->getDataAccessor(pResultRequest.release());
if (!resultAccessor.isValid())
{
return;
}
int oldPercentDone = -1;
int rowOffset = static_cast<int>(mInput.mpIterCheck->getOffset().mY);
int startRow = mRowRange.mFirst + rowOffset;
int stopRow = mRowRange.mLast + rowOffset;
int columnOffset = static_cast<int>(mInput.mpIterCheck->getOffset().mX);
int startColumn = columnOffset;
int stopColumn = numResultsCols + columnOffset - 1;
int yshift = (mInput.mKernel.Nrows() - 1) / 2;
int xshift = (mInput.mKernel.Ncols() - 1) / 2;
FactoryResource<DataRequest> pRequest;
pRequest->setRows(mInput.mpDescriptor->getActiveRow(std::max(0, startRow - yshift)),
mInput.mpDescriptor->getActiveRow(std::min(maxRowNum, stopRow + mInput.mKernel.Nrows() - yshift)));
pRequest->setColumns(mInput.mpDescriptor->getActiveColumn(startColumn),
mInput.mpDescriptor->getActiveColumn(stopColumn));
pRequest->setBands(mInput.mpDescriptor->getActiveBand(mInput.mBands[bandNum]),
mInput.mpDescriptor->getActiveBand(mInput.mBands[bandNum]));
DataAccessor accessor = mInput.mpRaster->getDataAccessor(pRequest.release());
if (!accessor.isValid())
{
return;
}
Service<ModelServices> model;
ModelServices* pModel = model.get();
int numRows = stopRow - startRow + 1;
for (int row_index = startRow; row_index <= stopRow; ++row_index)
{
int percentDone = 100 * ((bandNum * numRows) + (row_index - startRow)) / (numRows * bandCount);
if (percentDone > oldPercentDone)
{
oldPercentDone = percentDone;
getReporter().reportProgress(getThreadIndex(), percentDone);
}
if (mInput.mpAbortFlag != NULL && *mInput.mpAbortFlag)
{
break;
}
for (int col_index = startColumn; col_index <= stopColumn; ++col_index)
{
double accum = 0.0;
if (mInput.mpIterCheck->getPixel(col_index, row_index))
{
for (int kernelrow = 0; kernelrow < mInput.mKernel.Nrows(); kernelrow++)
{
int neighbor_row = row_index - yshift + kernelrow;
int real_row = std::min(std::max(0, neighbor_row),
static_cast<int>(mInput.mpDescriptor->getRowCount()) - 1);
for (int kernelcol = 0; kernelcol < mInput.mKernel.Ncols(); kernelcol++)
{
int neighbor_col = col_index - xshift + kernelcol;
int real_col = std::min(std::max(0, neighbor_col),
static_cast<int>(mInput.mpDescriptor->getColumnCount()) - 1);
accessor->toPixel(real_row, real_col);
if (accessor.isValid() == false)
{
return;
}
double val = 0.0;
pModel->getDataValue<T>(reinterpret_cast<T*>(accessor->getColumn()), COMPLEX_MAGNITUDE, 0, val);
accum += mInput.mKernel(kernelrow+1, kernelcol+1) * val / mInput.mKernel.Storage();
}
}
//.........这里部分代码省略.........
示例3: getReporter
void NormalizeData::NormalizeDataThread::run()
{
if (mInput.mpResult == NULL)
{
getReporter().reportError("No result data element.");
return;
}
EncodingType encoding = mInput.mpDescriptor->getDataType();
int numCols = mInput.mpResultDescriptor->getColumnCount();
int oldPercentDone = 0;
int startRow = mRowRange.mFirst;
int stopRow = mRowRange.mLast;
bool isBip = (mInput.mpResultDescriptor->getInterleaveFormat() == BIP);
unsigned int numBandsInLoop = isBip ? 1 : mInput.mpResultDescriptor->getBandCount();
unsigned int numBandsPerElement = isBip ? mInput.mpResultDescriptor->getBandCount() : 1;
std::vector<double> bandMaxValues;
bandMaxValues.reserve(mInput.mpDescriptor->getBandCount());
for (unsigned int band = 0; band < mInput.mpDescriptor->getBandCount(); band++)
{
bandMaxValues.push_back(mInput.mpRaster->getStatistics(mInput.mpDescriptor->getActiveBand(band))->getMax());
}
Service<ModelServices> pModel;
for(unsigned int band = 0; band < numBandsInLoop; band++)
{
FactoryResource<DataRequest> pResultRequest;
pResultRequest->setRows(mInput.mpResultDescriptor->getActiveRow(mRowRange.mFirst),
mInput.mpResultDescriptor->getActiveRow(mRowRange.mLast));
pResultRequest->setColumns(mInput.mpResultDescriptor->getActiveColumn(0),
mInput.mpResultDescriptor->getActiveColumn(numCols - 1));
if (!isBip)
{
pResultRequest->setBands(mInput.mpResultDescriptor->getActiveBand(band), mInput.mpResultDescriptor->getActiveBand(band));
}
pResultRequest->setWritable(true);
DataAccessor resultAccessor = mInput.mpResult->getDataAccessor(pResultRequest.release());
if (!resultAccessor.isValid())
{
getReporter().reportError("Invalid data access.");
return;
}
FactoryResource<DataRequest> pRequest;
pRequest->setRows(mInput.mpDescriptor->getActiveRow(mRowRange.mFirst),
mInput.mpDescriptor->getActiveRow(mRowRange.mLast));
pRequest->setColumns(mInput.mpDescriptor->getActiveColumn(0),
mInput.mpDescriptor->getActiveColumn(numCols - 1));
if (!isBip)
{
pRequest->setBands(mInput.mpResultDescriptor->getActiveBand(band), mInput.mpResultDescriptor->getActiveBand(band));
}
DataAccessor accessor = mInput.mpRaster->getDataAccessor(pRequest.release());
if (!accessor.isValid())
{
getReporter().reportError("Invalid data access.");
return;
}
for (int row_index = startRow; row_index <= stopRow; row_index++)
{
int percentDone = mRowRange.computePercent(row_index / numBandsInLoop);
if (percentDone > oldPercentDone)
{
oldPercentDone = percentDone;
getReporter().reportProgress(getThreadIndex(), percentDone);
}
if (mInput.mpAbortFlag != NULL && *mInput.mpAbortFlag)
{
getReporter().reportProgress(getThreadIndex(), 100);
break;
}
for (int col_index = 0; col_index < numCols; col_index++)
{
if (!resultAccessor.isValid())
{
getReporter().reportError("Invalid data access.");
return;
}
for (unsigned int inner = 0; inner < numBandsPerElement; inner++)
{
double val = pModel->getDataValue(encoding, accessor->getColumn(), inner);
val /= bandMaxValues[std::max(band, inner)];
reinterpret_cast<double*>(resultAccessor->getColumn())[inner] = val;
}
resultAccessor->nextColumn();
accessor->nextColumn();
}
resultAccessor->nextRow();
accessor->nextRow();
}
}
getReporter().reportCompletion(getThreadIndex());
}
示例4: parsedFile
vector<ImportDescriptor*> SampleHdf4Importer::getImportDescriptors(const string& filename)
{
vector<ImportDescriptor*> descriptors;
Hdf4File parsedFile(filename);
bool bSuccess = getFileData(parsedFile);
if (bSuccess == true)
{
const Hdf4Dataset* pDataset =
dynamic_cast<const Hdf4Dataset*>(parsedFile.getRootGroup()->getElement("EV_500_RefSB"));
if ((pDataset != NULL) && (mpModel.get() != NULL))
{
Hdf4FileResource pFile(filename.c_str());
if (pFile.get() != NULL)
{
ImportDescriptor* pImportDescriptor = mpModel->createImportDescriptor(filename, "RasterElement", NULL);
if (pImportDescriptor != NULL)
{
RasterDataDescriptor* pDescriptor =
dynamic_cast<RasterDataDescriptor*>(pImportDescriptor->getDataDescriptor());
if (pDescriptor != NULL)
{
FactoryResource<RasterFileDescriptor> pFileDescriptor;
if (pFileDescriptor.get() != NULL)
{
int32 numDims = 0;
int32 dataType = 0;
int32 numAttr = 0;
pFileDescriptor->setFilename(filename);
Hdf4DatasetResource pDataHandle(*pFile, pDataset->getName().c_str());
int32 dimSizes[MAX_VAR_DIMS] = {0};
if (pDataHandle != NULL && *pDataHandle != FAIL)
{
pFileDescriptor->setDatasetLocation(pDataset->getName());
int32 success = SDgetinfo(*pDataHandle, const_cast<char*>(pDataset->getName().c_str()),
&numDims, dimSizes, &dataType, &numAttr);
// find out what type this Dataset is
string strDataType = hdf4TypeToString(dataType, 1);
if (success == SUCCEED && numDims == 3 && strDataType == "unsigned short")
{
// Bands
vector<DimensionDescriptor> bands =
RasterUtilities::generateDimensionVector(dimSizes[0], true, false, true);
pDescriptor->setBands(bands);
pFileDescriptor->setBands(bands);
// Rows
vector<DimensionDescriptor> rows =
RasterUtilities::generateDimensionVector(dimSizes[1], true, false, true);
pDescriptor->setRows(rows);
pFileDescriptor->setRows(rows);
// Columns
vector<DimensionDescriptor> columns =
RasterUtilities::generateDimensionVector(dimSizes[2], true, false, true);
pDescriptor->setColumns(columns);
pFileDescriptor->setColumns(columns);
}
}
// Data type
EncodingType e;
pDataset->getDataEncoding(e);
pDescriptor->setDataType(e);
pFileDescriptor->setBitsPerElement(pDescriptor->getBytesPerElement() * 8);
// Interleave format
pDescriptor->setInterleaveFormat(BSQ);
pFileDescriptor->setInterleaveFormat(BSQ);
// Metadata
FactoryResource<DynamicObject> pMetadata;
if (pMetadata.get() != NULL)
{
const Hdf4Dataset::AttributeContainer& attributes = pDataset->getAttributes();
for (Hdf4Dataset::AttributeContainer::const_iterator it = attributes.begin();
it != attributes.end(); ++it)
{
Hdf4Attribute* pAttribute = it->second;
if (pAttribute != NULL)
{
const string& name = pAttribute->getName();
const DataVariant& var = pAttribute->getVariant();
const unsigned short* pValue = var.getPointerToValue<unsigned short>();
if (name == "_FillValue" && pValue != NULL)
{
// Bad values
vector<int> badValues;
badValues.push_back(*pValue);
pDescriptor->setBadValues(badValues);
}
else
{
//.........这里部分代码省略.........
示例5: if
//.........这里部分代码省略.........
string bandsStr = "bands";
// Special case: if the file type is an ENVI Spectral Library, then swap samples with bands
// If no file type field exists, assume this is a normal ENVI header (not a Spectral Library)
EnviField* pFileTypeField = mFields.find("file type");
if (pFileTypeField != NULL && (pFileTypeField->mValue ==
"ENVI Spectral Library" || pFileTypeField->mValue == "Spectral Library"))
{
samplesStr = "bands";
bandsStr = "samples";
// Since bands and samples are swapped, force the interleave to BIP
pField = mFields.find("interleave");
if (pField != NULL)
{
pField->mValue = "bip";
}
}
// Columns
vector<DimensionDescriptor> columns;
pField = mFields.find(samplesStr);
if (pField != NULL)
{
int numColumns = atoi(pField->mValue.c_str());
for (int i = 0; i < numColumns; ++i)
{
DimensionDescriptor columnDim;
columnDim.setOriginalNumber(static_cast<unsigned int>(columnOffset + i));
columnDim.setOnDiskNumber(static_cast<unsigned int>(i));
columns.push_back(columnDim);
}
pDescriptor->setColumns(columns);
pFileDescriptor->setColumns(columns);
}
// Bands
vector<DimensionDescriptor> bands;
pField = mFields.find(bandsStr);
if (pField != NULL)
{
int numBands = atoi(pField->mValue.c_str());
bands = RasterUtilities::generateDimensionVector(numBands, true, false, true);
pDescriptor->setBands(bands);
pFileDescriptor->setBands(bands);
}
// Description
list<GcpPoint> gcps;
pField = mFields.find("description");
if (pField != NULL)
{
// Metadata
if (pField->mChildren.empty() == false)
{
FactoryResource<DynamicObject> pMetadata;
for (unsigned int i = 0; i < pField->mChildren.size(); ++i)
{
EnviField* pChild = pField->mChildren[i];
if (pChild != NULL)
{
if (pChild->mTag == "classification")
{
// Classification
示例6: pFile
vector<ImportDescriptor*> SioImporter::getImportDescriptors(const string& filename)
{
vector<ImportDescriptor*> descriptors;
if (filename.empty() == false)
{
// Read the header values
FileResource pFile(filename.c_str(), "rb");
SioFile sioFile;
bool bSuccess = sioFile.deserialize(pFile.get());
if (bSuccess == false)
{
return descriptors;
}
if (sioFile.mOriginalVersion == 9)
{
mVersion9Sio = true;
}
// Create the import descriptor
ImportDescriptor* pImportDescriptor = mpModel->createImportDescriptor(filename, "RasterElement", NULL);
if (pImportDescriptor != NULL)
{
RasterDataDescriptor* pDescriptor =
dynamic_cast<RasterDataDescriptor*>(pImportDescriptor->getDataDescriptor());
if (pDescriptor != NULL)
{
FactoryResource<RasterFileDescriptor> pFileDescriptor;
if (pFileDescriptor.get() != NULL)
{
// Filename
pFileDescriptor->setFilename(filename);
// Endian
pFileDescriptor->setEndian(sioFile.mEndian);
// Rows
vector<DimensionDescriptor> rows;
for (int i = 0; i < sioFile.mRows; ++i)
{
DimensionDescriptor rowDim;
// Do not set an active number since the user has not selected the rows to load
if (static_cast<unsigned int>(i) < sioFile.mOrigRowNumbers.size())
{
rowDim.setOriginalNumber(sioFile.mOrigRowNumbers[i]);
}
else
{
rowDim.setOriginalNumber(i);
}
rowDim.setOnDiskNumber(i);
rows.push_back(rowDim);
}
pDescriptor->setRows(rows);
pFileDescriptor->setRows(rows);
// Columns
vector<DimensionDescriptor> columns;
for (int i = 0; i < sioFile.mColumns; ++i)
{
DimensionDescriptor columnDim;
// Do not set an active number since the user has not selected the rows to load
if (static_cast<unsigned int>(i) < sioFile.mOrigColumnNumbers.size())
{
columnDim.setOriginalNumber(sioFile.mOrigColumnNumbers[i]);
}
else
{
columnDim.setOriginalNumber(i);
}
columnDim.setOnDiskNumber(i);
columns.push_back(columnDim);
}
pDescriptor->setColumns(columns);
pFileDescriptor->setColumns(columns);
// Bands
vector<DimensionDescriptor> bands;
for (int i = 0; i < (sioFile.mBands - sioFile.mBadBands); ++i)
{
DimensionDescriptor bandDim;
// Do not set an active number since the user has not selected the rows to load
if (static_cast<unsigned int>(i) < sioFile.mOrigBandNumbers.size())
{
bandDim.setOriginalNumber(sioFile.mOrigBandNumbers[i]);
}
else
{
bandDim.setOriginalNumber(i);
}
bandDim.setOnDiskNumber(i);
//.........这里部分代码省略.........
示例7: ComputeSam
void SamThread::ComputeSam(const T* pDummyData)
{
int reSamBan_index = 0, row_index = 0, col_index = 0;
float* pResultsData = NULL;
int oldPercentDone = -1;
double spectrumMag = 0.0;
const T* pData=NULL;
const RasterDataDescriptor* pDescriptor = static_cast<const RasterDataDescriptor*>(
mInput.mpCube->getDataDescriptor());
unsigned int numCols = pDescriptor->getColumnCount();
unsigned int numBands = pDescriptor->getBandCount();
unsigned int numRows = (mRowRange.mLast - mRowRange.mFirst + 1);
int numResultsCols = 0;
//Sets area to apply the SAM algortihm to. Either
//the entire cube, or a selected ROI.
if (mInput.mIterCheck.useAllPixels())
{
//Total number of Columns in cube.
numResultsCols = numCols;
}
else
{
numResultsCols = mInput.mIterCheck.getNumSelectedColumns();
}
if (mInput.mpResultsMatrix == NULL)
{
return;
}
const RasterDataDescriptor* pResultDescriptor = static_cast<const RasterDataDescriptor*>(
mInput.mpResultsMatrix->getDataDescriptor());
// Gets results matrix that was initialized in ProcessAll()
mRowRange.mFirst = std::max(0, mRowRange.mFirst);
mRowRange.mLast = std::min(mRowRange.mLast, static_cast<int>(pDescriptor->getRowCount()) - 1);
FactoryResource<DataRequest> pResultRequest;
pResultRequest->setRows(pResultDescriptor->getActiveRow(mRowRange.mFirst),
pResultDescriptor->getActiveRow(mRowRange.mLast));
pResultRequest->setColumns(pResultDescriptor->getActiveColumn(0),
pResultDescriptor->getActiveColumn(numResultsCols - 1));
pResultRequest->setWritable(true);
DataAccessor resultAccessor = mInput.mpResultsMatrix->getDataAccessor(pResultRequest.release());
if (!resultAccessor.isValid())
{
return;
}
// Resamples and sets search signature
for (reSamBan_index = 0; reSamBan_index < (int) mInput.mResampledBands.size(); ++reSamBan_index)
{
spectrumMag += mInput.mSpectrum[reSamBan_index] * mInput.mSpectrum[reSamBan_index];
}
spectrumMag = sqrt(spectrumMag);
int rowOffset = mInput.mIterCheck.getOffset().mY;
int startRow = (mRowRange.mFirst + rowOffset);
int stopRow = (mRowRange.mLast + rowOffset);
int columnOffset = mInput.mIterCheck.getOffset().mX;
int startColumn = columnOffset;
int stopColumn = (numResultsCols + columnOffset - 1);
FactoryResource<DataRequest> pRequest;
pRequest->setInterleaveFormat(BIP);
pRequest->setRows(pDescriptor->getActiveRow(startRow), pDescriptor->getActiveRow(stopRow));
pRequest->setColumns(pDescriptor->getActiveColumn(startColumn), pDescriptor->getActiveColumn(stopColumn));
DataAccessor accessor = mInput.mpCube->getDataAccessor(pRequest.release());
if (!accessor.isValid())
{
return;
}
for (row_index = startRow; row_index <= stopRow; ++row_index)
{
int percentDone = mRowRange.computePercent(row_index-rowOffset);
if (percentDone > oldPercentDone)
{
oldPercentDone = percentDone;
getReporter().reportProgress(getThreadIndex(), percentDone);
}
if (mInput.mpAbortFlag != NULL && *mInput.mpAbortFlag)
{
break;
}
for (col_index = startColumn; col_index <= stopColumn; ++col_index)
{
VERIFYNRV(resultAccessor.isValid());
VERIFYNRV(accessor.isValid());
// Pointer to results data
pResultsData = reinterpret_cast<float*>(resultAccessor->getColumn());
if (pResultsData == NULL)
{
return;
}
if (mInput.mIterCheck.getPixel(col_index, row_index))
{
//Pointer to cube/sensor data
pData = reinterpret_cast<T*>(accessor->getColumn());
//.........这里部分代码省略.........
示例8: getPage
RasterPage* ConvertToBsqPager::getPage(DataRequest* pOriginalRequest, DimensionDescriptor startRow,
DimensionDescriptor startColumn, DimensionDescriptor startBand)
{
VERIFYRV(pOriginalRequest != NULL, NULL);
if (pOriginalRequest->getWritable())
{
return NULL;
}
InterleaveFormatType requestedType = pOriginalRequest->getInterleaveFormat();
DimensionDescriptor stopRow = pOriginalRequest->getStopRow();
DimensionDescriptor stopColumn = pOriginalRequest->getStopColumn();
DimensionDescriptor stopBand = pOriginalRequest->getStopBand();
unsigned int concurrentRows = std::min(pOriginalRequest->getConcurrentRows(),
stopRow.getActiveNumber() - startRow.getActiveNumber() + 1);
unsigned int concurrentBands = pOriginalRequest->getConcurrentBands();
VERIFY(requestedType == BSQ);
VERIFY(startBand == stopBand && concurrentBands == 1);
VERIFY(mpRaster != NULL);
const RasterDataDescriptor* pDd = dynamic_cast<const RasterDataDescriptor*>(mpRaster->getDataDescriptor());
VERIFY(pDd != NULL);
InterleaveFormatType interleave = pDd->getInterleaveFormat();
VERIFY(interleave == BIL || interleave == BIP);
unsigned int numRows = pDd->getRowCount();
unsigned int numCols = pDd->getColumnCount();
unsigned int numBands = pDd->getBandCount();
if (startRow.getActiveNumber() >= numRows || stopRow.getActiveNumber() >= numRows ||
startColumn.getActiveNumber() >= numCols || stopColumn.getActiveNumber() >= numCols ||
startBand.getActiveNumber() >= numBands || stopBand.getActiveNumber() >= numBands)
{
return NULL;
}
unsigned int cols = stopColumn.getActiveNumber() - startColumn.getActiveNumber() + 1;
std::auto_ptr<ConvertToBsqPage> pPage(new ConvertToBsqPage(concurrentRows, cols, mBytesPerElement));
unsigned char* pDst = reinterpret_cast<unsigned char*>(pPage->getRawData());
if (pDst == NULL)
{
return NULL;
}
FactoryResource<DataRequest> pRequest;
pRequest->setRows(startRow, stopRow);
pRequest->setColumns(startColumn, stopColumn, cols);
pRequest->setBands(startBand, startBand, 1);
DataAccessor da = mpRaster->getDataAccessor(pRequest.release());
if (interleave == BIP)
{
for (unsigned int row = 0; row < concurrentRows; ++row)
{
for (unsigned int col = 0; col < cols; ++col)
{
if (da.isValid() == false)
{
return NULL;
}
memcpy(pDst, da->getColumn(), mBytesPerElement);
pDst += mBytesPerElement;
da->nextColumn();
}
da->nextRow();
}
}
else if (interleave == BIL)
{
for (unsigned int row = 0; row < concurrentRows; ++row)
{
if (da.isValid() == false)
{
return NULL;
}
memcpy(pDst, da->getRow(), mBytesPerElement * cols);
pDst += mBytesPerElement * cols;
da->nextRow();
}
}
return pPage.release();
}