本文整理汇总了C++中ossimFilename::fileSize方法的典型用法代码示例。如果您正苦于以下问题：C++ ossimFilename::fileSize方法的具体用法？C++ ossimFilename::fileSize怎么用？C++ ossimFilename::fileSize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ossimFilename的用法示例。
在下文中一共展示了ossimFilename::fileSize方法的5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: importHistogram
bool ossimMultiResLevelHistogram::importHistogram(const ossimFilename& file)
{
if( file.fileSize() > 0 )
{
theHistogramFile = file;
ifstream input(file.c_str());
return importHistogram(input);
}
return false;
}示例2: initializeFromXml
bool ossimGeneralRasterInfo::initializeFromXml( const ossimFilename& imageFile,
const ossimFilename& headerFile )
{
bool result = false;
ossimFgdcXmlDoc file;
if (file.open( headerFile ))
{
while( 1 )
{
//---
// Go through the data members in order.
// If a required item is not found break from loop.
//--
theMetaData.clear();
// scalar ( default ) - adjusted below :
theMetaData.setScalarType( OSSIM_UINT8 );
// Image file name:
theImageFileList.clear();
theImageFileList.push_back( imageFile );
// interleave ( defaulted ):
theInterleaveType = OSSIM_BIL;
// bands ( required ):
if ( !file.getNumberOfBands() )
{
break;
}
theMetaData.setNumberOfBands( file.getNumberOfBands() );
ossimIpt size;
if ( file.getImageSize(size) ) // Lines, samples not image file size.
{
// lines, samples ( required ):
if ( !size.x || !size.y )
{
break;
}
}
else
{
break;
}
// Set the rectangles:
theRawImageRect = ossimIrect( 0, 0, size.x - 1, size.y - 1 );
theValidImageRect = theRawImageRect;
theImageRect = theRawImageRect;
// sample start ( not required ):
theSubImageOffset.x = 0;
// line start ( not required ):
theSubImageOffset.y = 0;
// header offset ( not required ):
theHeaderSize = 0;
// null mode:
theSetNullsMode = ossimGeneralRasterInfo::NONE;
// pixels to chop:
thePixelsToChop = 0;
// Byte order *** need this ***, defaulting to system for now:
theImageDataByteOrder = ossim::byteOrder();
// Adjust scalar if needed, note defaulted to 8 bit above:
ossimString eainfo;
file.getPath("/metadata/eainfo/detailed/enttyp/enttypd", eainfo);
ossim_int32 numBits = 0;
ossim_int64 fileSize = imageFile.fileSize(); // Image file size.
ossim_int32 numBytes = fileSize / size.x / size.y / numberOfBands();
if( numBytes > 0 && numBytes != 3 )
{
numBits = numBytes*8;
}
if( numBits == 16 )
{
theMetaData.setScalarType( OSSIM_UINT16 );
}
else if( numBits == 32 )
{
if(eainfo.contains("float"))
{
theMetaData.setScalarType( OSSIM_FLOAT32 );
}
else
{
theMetaData.setScalarType( OSSIM_UINT32 );
}
}
result = true;
break; // Trailing break to get out.
}
}
//.........这里部分代码省略.........
示例3: parseMetaData
//*****************************************************************************
// PROTECTED METHOD: ossimQuickbirdMetaData::parseMetaData()
//
// Parses the Quickbird IMD file.
//
//*****************************************************************************
bool ossimQuickbirdMetaData::parseMetaData(const ossimFilename& data_file)
{
if (traceExec()) ossimNotify(ossimNotifyLevel_DEBUG) << "DEBUG ossimQuickbirdMetaData::parseMetaData(data_file): entering..." << std::endl;
if( !data_file.exists() )
{
if (traceExec()) ossimNotify(ossimNotifyLevel_WARN) << "ossimQuickbirdMetaData::parseMetaData(data_file) WARN:" << "\nmetadate data file <" << data_file << ">. " << "doesn't exist..." << std::endl;
return false;
}
FILE* fptr = fopen (data_file, "r");
if (!fptr)
{
if (traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< "ossimQuickbirdRpcModel::parseMetaData(data_file) DEBUG:"
<< "\nCould not open Meta data file: " << data_file
<< "\nreturning with error..." << std::endl;
}
return false;
}
char* strptr(NULL);
//---
// Read the file into a buffer:
//---
ossim_int32 fileSize = static_cast<ossim_int32>(data_file.fileSize());
char* filebuf = new char[fileSize];
fread(filebuf, 1, fileSize, fptr);
strptr = filebuf;
fclose(fptr);
ossimString temp;
//---
// Generation time:
//---
if(getEndOfLine( strptr, ossimString("\ngenerationTime ="), "%17c %s", temp))
theGenerationDate = ossimString(temp).before(";");
else
{
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_FATAL)
<< "FATAL ossimQuickbirdRpcModel::parseMetaData(data_file): "
<< "\n\tAborting construction. Error encountered parsing "
<< "presumed meta-data file." << std::endl;
delete [] filebuf;
return false;
}
}
// Number of rows and columns in full image:
if(getEndOfLine( strptr, ossimString("\nnumRows ="), "%10c %s", temp))
theImageSize.line = ossimString(temp).before("\";").toInt();
if(getEndOfLine( strptr, ossimString("\nnumColumns ="), "%13c %s", temp))
theImageSize.samp = ossimString(temp).before("\";").toInt();
//---
// BandId:
//---
if(getEndOfLine( strptr, ossimString("\nbandId ="), "%9c %s", temp))
theBandId = ossimString(temp).after("\"").before("\";");
else
{
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_FATAL)
<< "FATAL ossimQuickbirdRpcModel::parseMetaData(data_file): "
<< "\n\tAborting construction. Error encountered parsing "
<< "presumed meta-data file." << std::endl;
delete [] filebuf;
return false;
}
}
//---
// BitsPerPixel:
//---
if(getEndOfLine( strptr, ossimString("\nbitsPerPixel = "), "%16c %s", temp))
theBitsPerPixel = ossimString(temp).before(";").toInt();
else
{
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_FATAL)
<< "FATAL ossimQuickbirdRpcModel::parseMetaData(data_file): "
//.........这里部分代码省略.........
示例4: getMapProjectionKwl
bool ossimQuickbirdMetaData::getMapProjectionKwl( const ossimFilename& imd_file,
ossimKeywordlist& kwl )
{
static const char MODULE[] = "ossimQuickbirdMetaData::getMapProjectionKwl";
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG) << MODULE << " entered...\n";
}
bool result = false;
if( imd_file.exists() )
{
FILE* fptr = fopen (imd_file.c_str(), "r");
if (fptr)
{
char* strptr(NULL);
//---
// Read the file into a buffer:
//---
ossim_int32 fileSize = static_cast<ossim_int32>(imd_file.fileSize());
char* filebuf = new char[fileSize];
fread(filebuf, 1, fileSize, fptr);
strptr = filebuf;
fclose(fptr);
ossimString imd_key;
ossimString tempStr;
std::string key;
std::string value;
// Loop until we find all our keys or bust out with error.
while ( 1 )
{
// Verify map projected.
imd_key = "BEGIN_GROUP = MAP_PROJECTED_PRODUCT";
if ( strstr( filebuf, imd_key.c_str() ) == NULL )
{
break; // Not a map projected product.
}
// Get datum:
if( getEndOfLine( strptr, ossimString("\n\tdatumName = "), "%13c %s", tempStr) )
{
if ( tempStr.contains("WE") )
{
key = "dataum";
value = "WGE";
kwl.addPair(key, value);
}
else
{
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_WARN)
<< "Unhandled datum: " << tempStr << "\n";
}
}
}
// Get projection:
if( getEndOfLine( strptr, ossimString("\n\tmapProjName = "), "%15c %s", tempStr) )
{
if ( tempStr.contains("UTM") )
{
key = "type";
value = "ossimUtmProjection";
kwl.addPair(key, value);
}
else
{
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_WARN)
<< "Unhandled projection name: " << tempStr << "\n";
}
}
}
// Get projection:
if( getEndOfLine( strptr, ossimString("\n\tmapProjName = "), "%15c %s", tempStr) )
{
if ( tempStr.contains("UTM") )
{
key = "type";
value = "ossimUtmProjection";
kwl.addPair(key, value);
// Get UTM zone:
if( getEndOfLine( strptr, ossimString("\n\tmapZone = "), "%11c %s", tempStr) )
{
key = "zone";
value = tempStr.trim(";").string();
kwl.addPair(key, value);
}
else
{
break;
//.........这里部分代码省略.........
示例5: parseFile
bool ossimNitfFile::parseFile(const ossimFilename& file)
{
if (traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< "DEBUG ossimNitfFile::parseFile: "
<< "endtered......"
<< std::endl;
}
std::ifstream in(file.c_str(), std::ios::in|std::ios::binary);
if (in.fail())
{
if (traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< "DEBUG ossimNitfFile::parseFile: "
<< "Could not open file: " << file.c_str()
<< "\nReturning..." << std::endl;
}
return false;
}
if(theNitfFileHeader.valid())
{
theNitfFileHeader = 0;
}
char temp[10];
in.read(temp, 9);
in.seekg(0, std::ios::beg);
temp[9] ='\0';
theFilename = file;
ossimString s(temp);
if(s == "NITF02.00")
{
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< "DEBUG: NITF Version 2.0"
<< std::endl;
}
theNitfFileHeader = new ossimNitfFileHeaderV2_0;
}
else if ( (s == "NITF02.10") || (s == "NSIF01.00") )
{
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< "DEBUG: NITF Version 2.1"
<< std::endl;
}
theNitfFileHeader = new ossimNitfFileHeaderV2_1;
}
else
{
if (traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< "DEBUG ossimNitfFile::parseFile: "
<< "Not an NITF file!"
<< std::endl;
ossimNotify(ossimNotifyLevel_DEBUG)
<< "DEBUG ossimNitfFile::parseFile: returning...........false"
<< "endtered......"
<< std::endl;
}
return false;
}
if(theNitfFileHeader.valid())
{
try
{
theNitfFileHeader->parseStream(in);
// Sanity check the size before going on:
if ( file.fileSize() < theNitfFileHeader->getFileSize() )
{
if (traceDebug())
{
ossimNotify(ossimNotifyLevel_WARN)
<< "ossimNitfFile::parseFile ERROR:\n"
<< "File size is less than file length in header!"
<< "\nNITF FL field: " << theNitfFileHeader->getFileSize()
<< "\nActual file length: " << file.fileSize()
<< std::endl;
}
return false;
}
}
catch( const ossimException& e )
{
if (traceDebug())
{
ossimNotify(ossimNotifyLevel_WARN)
<< "ossimNitfFile::parseFile caught exception:\n"
<< e.what()
<< std::endl;
//.........这里部分代码省略.........