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Copy pathpgtiol-gTiffData.cpp
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pgtiol-gTiffData.cpp
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#include "pgtiol-gTiffData.h"
gTiffData::gTiffData(void) {
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
}
gTiffData::~gTiffData(void) {}
bool gTiffData::setInputFileName(char*fileName) {
if(fileName == NULL){
cerr << __FILE__ << " " << __FUNCTION__ \
<< " Error: input filename is null (" << fileName << ")" << endl;
return false;
}
strcpy(inputgTiff, fileName);
return true;
}
bool gTiffData::setOutputFileName(char*fileName) {
if(fileName==NULL){
cerr << __FILE__ << " " << __FUNCTION__ \
<< " Error: output filename is null (" << fileName << ")" << endl;
return false;
}
strcpy(outputgTiff, fileName);
return true;
}
bool gTiffData::readDataFromGDAL(long xstart,
long ystart,
long numRows,
long numCols,
void* dest,
GDALDataType type,
int iband) {
GDALAllRegister();
GDALDataset *input_raster =static_cast<GDALDataset*>(GDALOpen(inputgTiff, GA_ReadOnly));
if (input_raster == NULL) {
cerr << __FILE__ << " " << __FUNCTION__ \
<< "Error opening input raster"<<endl;
return false;
}
GDALRasterBand *pBand = input_raster->GetRasterBand(iband);
if (pBand->RasterIO(GF_Read, xstart, ystart, numCols, numRows,
dest, numCols, numRows, type, 0, 0) != CE_None){
cerr << __FILE__ << " " << __FUNCTION__ \
<< "error happen on read geotiff data"<<endl;
return false;
}
GDALClose(input_raster);
return true;
}
bool gTiffData::readData(long xstart,
long ystart,
long numRows,
long numCols,
void* dest,
GDALDataType type,
int iband,
gTiffMetaData*iMeataData) {
// cout<<iMeataData->tiffMetaData->blocks_x_size<<"read"<<iMeataData->tiffMetaData->blocks_y_size<<endl;
if(iMeataData->getMetaData()->isCompressed == 1) {
if(iMeataData->getMetaData()->tileOrStrip == 1) {
if(!readStripData(xstart, ystart, numRows, numCols,dest,iMeataData)){
cerr << __FILE__ << " " << __FUNCTION__ \
<< " Error occurred when reading geotiff data" << endl;
return false;
}
}
else {
if(!readTileData(xstart, ystart, numRows, numCols,dest,iMeataData)){
cerr << __FILE__ << " " << __FUNCTION__ \
<< " Error occurred when reading geotiff data"<<endl;
return false;
}
}
/*if(!readDataFromGDAL(xstart,ystart, numRows,numCols,dest,type,iband)){
cerr << __FILE__ << " " << __FUNCTION__ \
<< " Error occurred when reading geotiff data"<<endl;
return false;
}*/
}
else { //compressed
if(!readDataFromGDAL(xstart,ystart, numRows,numCols,dest,type,iband)){
cerr << __FILE__ << " " << __FUNCTION__ \
<< " Error occurred when reading geotiff data"<<endl;
return false;
}
}
return true;
}
void gTiffData::initWrite()
{
return;
}
/*bool gTiffData::writeData(long xstart,
long ystart,
long numRows,
long numCols,
void* source,
GDALDataType type,
gTiffMetaData*iMeataData)
{
cout<<"sssssssssaaaaaaaaaaaaaaaaa"<<outputgTiff<<endl;
MPI_File fh;
int file_error = MPI_File_open( MPI_COMM_SELF, outputgTiff, MPI_MODE_WRONLY, MPI_INFO_NULL, &fh);
if(file_error != MPI_SUCCESS){
MPI_Abort(MPI_COMM_WORLD,22);
return false;
}
int _rank=0;
MPI_Comm_rank(MPI_COMM_WORLD,&_rank);
if(_rank==1){
for(int i=0;i<10;i++){
cout<<"rankwrite"<<_rank<<((float*)source)[i];
}
cout<<endl;
}
cout<<_rank<<"iMeataData->tiffMetaData->x_size"<<iMeataData->tiffMetaData->x_size
<<"iMeataData->tiffMetaData->y_size"<<iMeataData->tiffMetaData->y_size
<<"iMeataData->tiffMetaData->band_type"<<iMeataData->tiffMetaData->band_type
<<"iMeataData->tiffMetaData->x_size"<<iMeataData->tiffMetaData->dataSizeObj
<<"xstart" <<xstart
<<"ystart" <<ystart
<<"numRows"<<numRows
<<"numCols"<<numCols
<<"DATAOFFSET"<<DATAOFFSET<<endl;
long partOffset = 0;
long domainX =numCols;
MPI_Status status;
MPI_Offset mpiOffset;
long totalX =iMeataData->tiffMetaData->x_size;
long totalY =iMeataData->tiffMetaData->y_size;
long XstartNum=(totalX*ystart) + xstart;
long next = partOffset;
GDALDataType dataType = iMeataData->tiffMetaData->band_type;
unsigned short dataSizeObj = iMeataData->tiffMetaData->dataSizeObj;
if(dataType == GDT_Int16) {
mpiOffset = DATAOFFSET + (dataSizeObj*(XstartNum));
MPI_File_seek(fh, mpiOffset, MPI_SEEK_SET);
for(long i=0; i<numRows; i++)
{
MPI_File_write(fh, (void*)(((short*)source)+next), numCols, MPI_SHORT, &status);
mpiOffset += (totalX*dataSizeObj);
MPI_File_seek(fh, mpiOffset, MPI_SEEK_SET);
next+=domainX;
}
}
else if(dataType == GDT_Int32 )
{
mpiOffset = DATAOFFSET + (dataSizeObj*(XstartNum));
MPI_File_seek(fh, mpiOffset, MPI_SEEK_SET);
int32_t* tempDataRow = new int32_t[numCols];
for(long i=0; i<numRows; i++)
{
for(long k = 0; k < numCols; k++)
{
tempDataRow[k]=(int32_t) (*((long*)source+next+k));
}
MPI_File_write( fh, (void*)tempDataRow, numCols*dataSizeObj, MPI_BYTE, &status);
mpiOffset += (totalX*dataSizeObj);
MPI_File_seek(fh, mpiOffset, MPI_SEEK_SET);
next+=domainX;
}
delete tempDataRow;
}
else if( dataType == GDT_Float32 )
{
cout<<"float"<<endl;
mpiOffset = DATAOFFSET + (dataSizeObj*(XstartNum));
MPI_File_seek(fh, mpiOffset, MPI_SEEK_SET);
for(long i=0; i<numRows; i++)
{
MPI_File_write(fh, (void*)(((float*)source)+next), numCols, MPI_FLOAT, &status);
mpiOffset += (totalX*dataSizeObj);
MPI_File_seek(fh, mpiOffset, MPI_SEEK_SET);
next+=domainX;
}
}
else if(dataType==GDT_UInt16)
{
mpiOffset = DATAOFFSET + (dataSizeObj*(XstartNum));
MPI_File_seek(fh, mpiOffset, MPI_SEEK_SET);
for(long i=0; i<numRows; i++)
{
MPI_File_write( fh, (void*)(((unsigned short*)source)+next), numCols, MPI_UNSIGNED_SHORT, &status);
mpiOffset += (totalX*dataSizeObj);
MPI_File_seek(fh, mpiOffset, MPI_SEEK_SET);
next+=domainX;
}
}
else if(dataType==GDT_Int32)
{
mpiOffset = DATAOFFSET + (dataSizeObj*(XstartNum));
MPI_File_seek(fh, mpiOffset, MPI_SEEK_SET);
for(long i=0; i<numRows; i++)
{
MPI_File_write(fh, (void*)(((int*)source)+next), numCols, MPI_INT, &status);
mpiOffset += (totalX*dataSizeObj);
MPI_File_seek( fh, mpiOffset, MPI_SEEK_SET);
next+=domainX;
}
}
MPI_File_close(&fh);
return true;
}*/
bool gTiffData::writeData(long xstart,
long ystart,
long numRows,
long numCols,
void* source,
GDALDataType type,
gTiffMetaData*iMeataData,
long nLineSpace) {
Area write_area1(xstart,ystart,xstart+numCols-1,ystart+numRows-1);
bool err = write_area(iMeataData,source,write_area1.ul.x,write_area1.ul.y,write_area1.lr.x,write_area1.lr.y,nLineSpace);
if(err == false) {
cerr << __FILE__ << " " << __FUNCTION__ \
<< " Error occurred when writing geotiff data"<<endl;
MPI_Abort(MPI_COMM_WORLD,22);
return false;
}
return true;
}
bool gTiffData::write_area(gTiffMetaData*iMeataData,
void *data,
double ul_x,
double ul_y,
double lr_x,
double lr_y,
long nLineSpace) {
std::vector<Area> write_stack;
Area write_area;
write_area.ul = Coordinate(ul_x, ul_y);
write_area.lr = Coordinate(lr_x, lr_y);
MPI_File fh;
int rc = MPI_File_open(MPI_COMM_SELF,
outputgTiff,
MPI_MODE_RDWR,
MPI_INFO_NULL,
&fh);
if (rc != MPI_SUCCESS) {
cerr << __FILE__ << " " << __FUNCTION__ \
<< " Error: MPI_file unable to open file (" << outputgTiff << ")" << endl;
return false;
}
write_stack.push_back(write_area);
while (!write_stack.empty()) {
Area top = write_stack.back();
write_stack.pop_back();
int rank = 0;
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
Area subset = calculate_tile_intersection(iMeataData, top);
fill_stack(&write_stack, top, subset);
write_subset(fh,
iMeataData,
data,
ul_x,
ul_y,
lr_x,
lr_y,
subset.ul.x,
subset.ul.y,
subset.lr.x,
subset.lr.y,
nLineSpace);
}
MPI_File_close(&fh);
return true;
}
Area gTiffData::calculate_tile_intersection(gTiffMetaData*iMeataData,
Area subset) {
const double tile_x_beginning = (static_cast<int64_t>(subset.ul.x)
/ iMeataData->getMetaData()->blocks_x_size)
* iMeataData->getMetaData()->blocks_x_size;
const double tile_y_beginning = (static_cast<int64_t>(subset.ul.y)
/ iMeataData->getMetaData()->blocks_y_size)
* iMeataData->getMetaData()->blocks_y_size;
const double tile_x_end = tile_x_beginning + iMeataData->getMetaData()->blocks_x_size - 1;
const double tile_y_end = tile_y_beginning + iMeataData->getMetaData()->blocks_y_size - 1;
const double subset_lr_x = min(tile_x_end, subset.lr.x);
const double subset_lr_y = min(tile_y_end, subset.lr.y);
return Area(subset.ul.x,
subset.ul.y,
subset_lr_x,
subset_lr_y);
}
bool gTiffData::fill_stack(std::vector<Area> *write_stack,
Area old_area,
Area written_subset) {
const double size_below = old_area.lr.y - written_subset.lr.y;
const double size_right = old_area.lr.x - written_subset.lr.x;
if (size_right > 0.0) {
write_stack->push_back(Area(written_subset.lr.x + 1,
old_area.ul.y,
old_area.lr.x,
old_area.lr.y));
}
if (size_below > 0.0) {
write_stack->push_back(Area(old_area.ul.x,
written_subset.lr.y + 1,
written_subset.lr.x,
old_area.lr.y));
}
return true;
}
bool gTiffData::write_subset(MPI_File&fh,
gTiffMetaData*iMeataData,
void *data,
int64_t buffer_ul_x,
int64_t buffer_ul_y,
int64_t buffer_lr_x,
int64_t buffer_lr_y,
int64_t write_ul_x,
int64_t write_ul_y,
int64_t write_lr_x,
int64_t write_lr_y,
long nLineSpace) {
const double tile_x_beginning = (write_ul_x / iMeataData->getMetaData()->blocks_x_size)
* iMeataData->getMetaData()->blocks_x_size;
const double tile_x_end = tile_x_beginning + iMeataData->getMetaData()->blocks_x_size - 1;
int count = 0;
MPI_Status status;
if (write_ul_x == tile_x_beginning
&& write_lr_x == tile_x_end) {
count = ((write_lr_x - write_ul_x + 1) * (write_lr_y - write_ul_y + 1)
* iMeataData->getMetaData()->band_type_size * iMeataData->getMetaData()->band_count);
const int sub_row_size = (write_lr_x - write_ul_x + 1)
* iMeataData->getMetaData()->band_type_size
* iMeataData->getMetaData()->band_count;
char *buffer = new(std::nothrow) char[count];
for (int y = write_ul_y; y <= write_lr_y; ++y) {
int pixel_offset = ((y - buffer_ul_y) * nLineSpace+ (write_ul_x - buffer_ul_x))
* iMeataData->getMetaData()->band_type_size * iMeataData->getMetaData()->band_count;
memcpy(buffer+((y-write_ul_y)*sub_row_size),
static_cast<char*>(data)+pixel_offset,
sub_row_size);
}
MPI_File_write_at(fh,
calculate_file_offset(iMeataData, write_ul_x, write_ul_y),
buffer,
count,
MPI_BYTE,
&status);
delete[] buffer;
}
else {
count = (write_lr_x - write_ul_x + 1)
* iMeataData->getMetaData()->band_type_size
* iMeataData->getMetaData()->band_count;
for (int y = write_ul_y; y <= write_lr_y; ++y) {
int pixel_offset = ((y - buffer_ul_y) * nLineSpace
+ (write_ul_x - buffer_ul_x))
* iMeataData->getMetaData()->band_type_size * iMeataData->getMetaData()->band_count;
MPI_File_write_at(fh,
calculate_file_offset(iMeataData, write_ul_x, y),
(static_cast<char*>(data)) + pixel_offset,
count,
MPI_BYTE,
&status);
}
}
return true;
}
int64_t gTiffData::calculate_file_offset(gTiffMetaData*iMeataData,
const int64_t raster_x,
const int64_t raster_y) {
const int64_t tile_x = raster_x % iMeataData->getMetaData()->blocks_x_size;
const int64_t tile_y = raster_y % iMeataData->getMetaData()->blocks_y_size;
const int64_t offset_into_tile = (tile_x + (tile_y * iMeataData->getMetaData()->blocks_x_size))
* iMeataData->getMetaData()->band_type_size
* iMeataData->getMetaData()->band_count;
const int64_t tile_index = (raster_x / iMeataData->getMetaData()->blocks_x_size)
+ (raster_y / iMeataData->getMetaData()->blocks_y_size) * iMeataData->getMetaData()->tiles_across;
return iMeataData->getMetaData()->tile_offsets[tile_index] + offset_into_tile;
}
bool gTiffData::readStripData(long xstart,
long ystart,
long numRows,
long numCols,
void* dest,
gTiffMetaData*iMeataData) {
MPI_Offset mpiOffset;
Rectangle rectangle(xstart,ystart, numCols,numRows);
long totalX = iMeataData->getRasterXSize();
long totalY = iMeataData->getRasterYSize();
long tileWidth=iMeataData->getTileWidth();
long tileLength=iMeataData->getTileLength();
unsigned short sampleFormat = iMeataData->getSampleFormat();
unsigned short dataSizeFileIn =iMeataData->getDataSizeFileIn();
GDALDataType dataType = iMeataData->getDataType();
double NoData = iMeataData->getNoDataValue();
long firstStripIndex = rectangle.pYstart/tileLength;;
long lastStripIndex = (rectangle.pYstart + rectangle.pnumRows-1)/tileLength;
long firstStripFirstRowIndex = rectangle.pYstart - ( firstStripIndex * tileLength);
long lastStripLastRowIndex = rectangle.pYstart + rectangle.pnumRows-1 - ( lastStripIndex * tileLength);
long currentStripFirstRowIndex=0;
long currentStripLastRowIndex=0;
/* cout<<"tileWidth"<<tileWidth
<<"tileLength"<<tileLength
<<"sampleFormat"<<sampleFormat
<<"dataSizeFileIn"<<dataSizeFileIn
<<"NoData"<<NoData
<<"firstStripIndex"<<firstStripIndex
<<"lastStripIndex"<<lastStripIndex
<<"firstStripFirstRowIndex"<<firstStripFirstRowIndex
<<"lastStripLastRowIndex"<<lastStripLastRowIndex
<<"rectangle.pXstart"<<rectangle.pXstart
<<"rectangle.pYstart"<<rectangle.pYstart
<<"rectangle.pnumRows"<<rectangle.pnumRows
<<"rectangle.pnumCols"<<rectangle.pnumCols<<endl;*/
MPI_File fh;
int rc = MPI_File_open(MPI_COMM_SELF,
inputgTiff,
MPI_MODE_RDWR,
MPI_INFO_NULL,
&fh);
if (rc != MPI_SUCCESS) {
cerr << __FILE__ << " " << __FUNCTION__ \
<< " Error: MPI_file unable to open file (" << inputgTiff << ")" << endl;
return false;
}
for(long i = firstStripIndex; i <= lastStripIndex; ++i ){
if( i > firstStripIndex){
currentStripFirstRowIndex=0;
}
else{
currentStripFirstRowIndex=firstStripFirstRowIndex;
}
if(i < lastStripIndex){
currentStripLastRowIndex=tileLength-1;
}
else{
currentStripLastRowIndex = lastStripLastRowIndex;
}
if(currentStripFirstRowIndex <= currentStripLastRowIndex){
mpiOffset = iMeataData->getMetaData()->tile_offsets[i];
MPI_File_seek( fh, mpiOffset, MPI_SEEK_SET);
mpiOffset = dataSizeFileIn * tileWidth * currentStripFirstRowIndex;
MPI_File_seek( fh, mpiOffset, MPI_SEEK_CUR);
getStripRowData(dest,fh,currentStripFirstRowIndex,currentStripLastRowIndex,i,
numCols,tileWidth,tileLength,sampleFormat,dataSizeFileIn,NoData,dataType,rectangle);
}
}
MPI_File_close(&fh);
return true;
}
void gTiffData::getStripRowData(void* dest,
MPI_File&fh,
long currentStripFirstRowIndex,
long currentStripLastRowIndex,
long currentStripIndex,
long readCols,
uint32_t stripWidth,
uint32_t stripLength,
unsigned short sampleFormat,
unsigned short dataSizeFileIn,
double NoData,
GDALDataType dataType,
Rectangle rectangle) {
for(long j = currentStripFirstRowIndex; j <= currentStripLastRowIndex; ++j){
if((sampleFormat == 1) && (dataSizeFileIn == 1)){
uint8_t type =0;
uint8_t *tempDataRow= getMem(type,stripWidth);
if(dataType == GDT_Byte){
uint8_t type1=0;
unsigned char type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Int16){
uint8_t type1=0;
short type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_UInt16){
uint8_t type1=0;
unsigned short type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType ==GDT_Int32){
uint8_t type1=0;
int type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType ==GDT_UInt32){
uint8_t type1=0;
unsigned int type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Float32){
uint8_t type1=0;
float type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Float64){
uint8_t type1=0;
double type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
delete []tempDataRow;
}
else if ((sampleFormat == 1) && (dataSizeFileIn == 2)){
uint16_t type =0;
uint16_t *tempDataRow= getMem(type,stripWidth);
if(dataType == GDT_Byte){
uint16_t type1=0;
unsigned char type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Int16){
uint16_t type1=0;
short type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_UInt16){
uint16_t type1=0;
unsigned short type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType ==GDT_Int32){
uint16_t type1=0;
int type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType ==GDT_UInt32){
uint16_t type1=0;
unsigned int type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Float32){
uint16_t type1=0;
float type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Float64){
uint16_t type1=0;
double type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
delete [] tempDataRow;
}
else if ((sampleFormat == 1) && (dataSizeFileIn == 4)) {
uint32_t type =0;
uint32_t *tempDataRow= getMem(type,stripWidth);
if(dataType == GDT_Byte){
uint32_t type1=0;
unsigned char type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Int16){
uint32_t type1=0;
short type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_UInt16){
uint32_t type1=0;
unsigned short type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType ==GDT_Int32){
uint32_t type1=0;
int type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType ==GDT_UInt32){
uint32_t type1=0;
unsigned int type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Float32){
uint32_t type1=0;
float type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Float64){
uint32_t type1=0;
double type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
delete []tempDataRow;
}
else if ((sampleFormat == 2) && (dataSizeFileIn == 1)){
int8_t type =0;
int8_t *tempDataRow= getMem(type,stripWidth);
if(dataType == GDT_Byte){
int8_t type1=0;
unsigned char type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Int16){
int8_t type1=0;
short type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_UInt16){
int8_t type1=0;
unsigned short type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType ==GDT_Int32){
int8_t type1=0;
int type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType ==GDT_UInt32){
int8_t type1=0;
unsigned int type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Float32){
int8_t type1=0;
float type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Float64){
int8_t type1=0;
double type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
delete []tempDataRow;
}
else if ((sampleFormat == 2) && (dataSizeFileIn == 2)) {
int16_t type =0;
int16_t *tempDataRow= getMem(type,stripWidth);
if(dataType == GDT_Byte){
int16_t type1=0;
unsigned char type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Int16){
int16_t type1=0;
short type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_UInt16){
int16_t type1=0;
unsigned short type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType ==GDT_Int32){
int16_t type1=0;
int type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType ==GDT_UInt32){
int16_t type1=0;
unsigned int type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Float32){
int16_t type1=0;
float type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Float64){
int16_t type1=0;
double type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
}
else if ((sampleFormat == 2) && (dataSizeFileIn == 4)){
int32_t type =0;
int32_t *tempDataRow= getMem(type,stripWidth);
if(dataType == GDT_Byte){
int32_t type1=0;
unsigned char type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Int16){
int32_t type1=0;
short type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_UInt16){
int32_t type1=0;
unsigned short type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType ==GDT_Int32){
int32_t type1=0;
int type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType ==GDT_UInt32){
int32_t type1=0;
unsigned int type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Float32){
int32_t type1=0;
float type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Float64){
int32_t type1=0;
double type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
delete []tempDataRow;
}
else if ((sampleFormat == 3) && (dataSizeFileIn == 4)) {
float type =0;
float *tempDataRow= getMem(type,stripWidth);
if(dataType == GDT_Byte){
float type1=0;
unsigned char type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Int16){
float type1=0;
short type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_UInt16){
float type1=0;
unsigned short type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType ==GDT_Int32){
float type1=0;
int type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType ==GDT_UInt32){
float type1=0;
unsigned int type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Float32){
float type1=0;
float type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
else if(dataType == GDT_Float64){
float type1=0;
double type2=0;
readStripByRow(fh,type1,type2,currentStripIndex,j,readCols,stripWidth,stripLength,dataSizeFileIn,rectangle,NoData,tempDataRow,dest);
}
delete []tempDataRow;
}
else{
cerr << __FILE__ << " " << __FUNCTION__ \
<< " Error: Unsupported TIFF file type. sampleFormat = "
<< sampleFormat << "; dataSizeFileIn = " << dataSizeFileIn << endl;
MPI_Abort(MPI_COMM_WORLD,-1);
}
}
}
template <class Soutype,class Destype>
void gTiffData::readStripByRow(MPI_File&fh,
Soutype type1,
Destype type2,
long currentStripIndex,
long currentRowIndex,
long readCols,
uint32_t stripWidth,
uint32_t stripLength,
unsigned short dataSizeFileIn,
Rectangle rectangle,
double NoData,
Soutype*tempbuff,
void*dest) {
MPI_Status status;
MPI_File_read(fh, tempbuff, dataSizeFileIn * stripWidth, MPI_BYTE, &status);
for(long k =rectangle.pXstart; k<rectangle.pXstart+readCols; k++){
((Destype*)dest)[(currentRowIndex+(currentStripIndex*stripLength)-rectangle.pYstart)*readCols+(k-rectangle.pXstart)]=(Destype)(tempbuff[k]);
}
}
bool gTiffData::readTileData(long xstart,
long ystart,
long numRows,
long numCols,
void* dest,
gTiffMetaData*iMeataData){
if(numCols==iMeataData->getRasterXSize()){
if(!readTileDataByRows(xstart, ystart, numRows, numCols,dest,iMeataData)){
cerr << __FILE__ << " " << __FUNCTION__ \
<< " Error occurred when reading geotiff data"<<endl;
return false;
}
}else{
if(!readTileDataByCols(xstart, ystart, numRows, numCols,dest,iMeataData)){
cerr << __FILE__ << " " << __FUNCTION__ \
<< " Error occurred when reading geotiff data"<<endl;
return false;
}
}
return true;
}
template <class memType>
memType*gTiffData::getMem(memType type,long memSize){
return new memType[memSize];
}
bool gTiffData::readTileDataByRows(long xstart,
long ystart,
long numRows,
long numCols,
void* dest,
gTiffMetaData*iMeataData) {
long totalX = iMeataData->getRasterXSize();
long totalY = iMeataData->getRasterYSize();
long tileWidth=iMeataData->getTileWidth();
long tileLength=iMeataData->getTileLength();
unsigned short sampleFormat = iMeataData->getSampleFormat();
unsigned short dataSizeFileIn =iMeataData->getDataSizeFileIn();
GDALDataType dataType = iMeataData->getDataType();
double NoData = iMeataData->getNoDataValue();
MPI_Offset mpiOffset;
uint32_t tileStart=0;
uint32_t tilesAcross=(totalX-1)/tileWidth+1;
uint32_t tileEnd=0;
uint32_t rowInTile=0;
uint32_t tileCols=0;
uint32_t destOffset1=0;
double timespendonmpiread=0;
MPI_File fh;
int rc = MPI_File_open(MPI_COMM_SELF,
inputgTiff,
MPI_MODE_RDONLY,
MPI_INFO_NULL,
&fh);
if (rc != MPI_SUCCESS) {
cerr << __FILE__ << " " << __FUNCTION__ \
<< " Error: MPI_file unable to open file (" << inputgTiff << ")" << endl;
return false;
}
for(uint32_t y=ystart; y<ystart+numRows; y++) {
tileStart=y/tileLength*tilesAcross;
if(tileStart > 0){
tileStart = tileStart;
}
tileEnd=tileStart+tilesAcross-1;
rowInTile=y-(tileStart/tilesAcross)*tileLength;
if(tileStart <= tileEnd) {
//MPI_File_set_view(fh, 0, MPI_BYTE, MPI_BYTE, "native", MPI_INFO_NULL);
for(uint32_t tile=tileStart; tile<=tileEnd;tile++)
{
tileCols = tileWidth;
if(tile == tileEnd)tileCols=totalX-(tilesAcross-1)*tileWidth;
mpiOffset=iMeataData->getMetaData()->tile_offsets[tile]+rowInTile*tileWidth*dataSizeFileIn;
long readBytes =dataSizeFileIn * tileCols;
MPI_File_seek(fh,mpiOffset,MPI_SEEK_SET);
destOffset1=(tile-tileStart)*tileWidth+(y-ystart)*numCols;
if((sampleFormat == 1) && (dataSizeFileIn == 1)){
uint8_t type =0;
uint8_t *tempDataRow= getMem(type,tileWidth);
if(dataType == GDT_Byte){
uint8_t type1=0;
unsigned char type2=0;
readTileDataByRow(fh,type1,type2,tileCols,destOffset1,tileWidth,dataSizeFileIn,NoData,tempDataRow,readBytes,dest);
}
else if(dataType == GDT_Int16){
uint8_t type1=0;
short type2=0;
readTileDataByRow(fh,type1,type2,tileCols,destOffset1,tileWidth,dataSizeFileIn,NoData,tempDataRow,readBytes,dest);
}
else if(dataType == GDT_Float32){
uint8_t type1=0;
float type2=0;
readTileDataByRow(fh,type1,type2,tileCols,destOffset1,tileWidth,dataSizeFileIn,NoData,tempDataRow,readBytes,dest);
}
else if(dataType == GDT_UInt16){
uint8_t type1=0;
unsigned short type2=0;
readTileDataByRow(fh,type1,type2,tileCols,destOffset1,tileWidth,dataSizeFileIn,NoData,tempDataRow,readBytes,dest);
}
else if(dataType ==GDT_Int32){
uint8_t type1=0;
int type2=0;
readTileDataByRow(fh,type1,type2,tileCols,destOffset1,tileWidth,dataSizeFileIn,NoData,tempDataRow,readBytes,dest);
}
else if(dataType ==GDT_UInt32){
uint8_t type1=0;
unsigned int type2=0;
readTileDataByRow(fh,type1,type2,tileCols,destOffset1,tileWidth,dataSizeFileIn,NoData,tempDataRow,readBytes,dest);
}
else if(dataType ==GDT_Float64){
uint8_t type1=0;
double type2=0;
readTileDataByRow(fh,type1,type2,tileCols,destOffset1,tileWidth,dataSizeFileIn,NoData,tempDataRow,readBytes,dest);
}
delete []tempDataRow;
}
else if ((sampleFormat == 1) && (dataSizeFileIn == 2)) {
uint16_t type =0;
uint16_t *tempDataRow= getMem(type,tileWidth);
if(dataType == GDT_Byte){
uint16_t type1=0;
unsigned char type2=0;
readTileDataByRow(fh,type1,type2,tileCols,destOffset1,tileWidth,dataSizeFileIn,NoData,tempDataRow,readBytes,dest);
}
else if(dataType == GDT_Int16){
uint16_t type1=0;
short type2=0;
readTileDataByRow(fh,type1,type2,tileCols,destOffset1,tileWidth,dataSizeFileIn,NoData,tempDataRow,readBytes,dest);
}
else if(dataType == GDT_Float32){
uint16_t type1=0;
float type2=0;
readTileDataByRow(fh,type1,type2,tileCols,destOffset1,tileWidth,dataSizeFileIn,NoData,tempDataRow,readBytes,dest);
}
else if(dataType == GDT_UInt16){
uint16_t type1=0;
unsigned short type2=0;
readTileDataByRow(fh,type1,type2,tileCols,destOffset1,tileWidth,dataSizeFileIn,NoData,tempDataRow,readBytes,dest);
}
else if(dataType ==GDT_Int32){
uint16_t type1=0;
int type2=0;
readTileDataByRow(fh,type1,type2,tileCols,destOffset1,tileWidth,dataSizeFileIn,NoData,tempDataRow,readBytes,dest);
}
else if(dataType ==GDT_UInt32){
uint16_t type1=0;
unsigned int type2=0;
readTileDataByRow(fh,type1,type2,tileCols,destOffset1,tileWidth,dataSizeFileIn,NoData,tempDataRow,readBytes,dest);
}
else if(dataType ==GDT_Float64){
uint16_t type1=0;
double type2=0;
readTileDataByRow(fh,type1,type2,tileCols,destOffset1,tileWidth,dataSizeFileIn,NoData,tempDataRow,readBytes,dest);
}
delete []tempDataRow;
}
else if ((sampleFormat == 1) && (dataSizeFileIn == 4)){
uint32_t type =0;
uint32_t *tempDataRow= getMem(type,tileWidth);
if(dataType == GDT_Byte){
uint32_t type1=0;
unsigned char type2=0;
readTileDataByRow(fh,type1,type2,tileCols,destOffset1,tileWidth,dataSizeFileIn,NoData,tempDataRow,readBytes,dest);
}
else if(dataType == GDT_Int16){
uint32_t type1=0;
short type2=0;
readTileDataByRow(fh,type1,type2,tileCols,destOffset1,tileWidth,dataSizeFileIn,NoData,tempDataRow,readBytes,dest);
}
else if(dataType == GDT_Float32){
uint32_t type1=0;
float type2=0;