C++ ossimFilename::expand方法代码示例

// Note: throws ossimException on error.
void ossimRpfUtil::writeDotRpfFiles( const ossimFilename& aDotTocFile,
                                     const ossimFilename& outputDir )
{
   static const char MODULE[] = "ossimRpfUtil::writeDotRpfFiles";

   if ( traceDebug() )
   {
      ossimNotify(ossimNotifyLevel_DEBUG)
         << MODULE << " entered..."
         << "\na.toc file:        " << aDotTocFile
         << "\noutput directory:  " << outputDir
         << "\n";
   }
   
   // Parse the a.toc file:
   ossimRefPtr<ossimRpfToc> toc = new ossimRpfToc();
   
   if ( toc->parseFile(aDotTocFile) != ossimErrorCodes::OSSIM_OK )
   {
      std::string e = MODULE;
      e += " ERROR:\nCould not open: ";
      e+= aDotTocFile.string();
      throw ossimException(e);
   }

   if ( outputDir.expand().exists() == false )
   {
      if ( !outputDir.createDirectory(true, 0775) )
      {
         std::string e = MODULE;
         e += " ERROR:\nCould not create directory: ";
         e+= outputDir.c_str();
         throw ossimException(e);
      }
   }

   //---
   // Go through the entries...
   //---
   ossim_uint32 entries = toc->getNumberOfEntries();
   for (ossim_uint32 entry = 0; entry < entries; ++entry)
   {
      const ossimRpfTocEntry* tocEntry = toc->getTocEntry(entry);
      if (tocEntry)
      {
         if ( tocEntry->isEmpty() == false )
         {
            writeDotRpfFile(toc.get(), tocEntry, outputDir, entry);
         }
      }
      else
      {
         std::string e = MODULE;
         e += " ERROR:  Null entry: ";
         e += ossimString::toString(entry).string();
         throw ossimException(e);
      }
   }
   
} // End: ossimRpfUtil::writeDotRpfFiles

bool ossimplugins::ossimRadarSat2TiffReader::open(const ossimFilename& file)
{
   static const char MODULE[] = "ossimplugins::ossimRadarSat2TiffReader::open";
   
   if (traceDebug())
   {
      ossimNotify(ossimNotifyLevel_DEBUG)
         << MODULE << " entered...\n"
         << "file: " << file << "\n";
   }

   bool result = false;
   
   if ( isOpen() )
   {
      close();
   }

   // Check extension to see if it's xml.
   if ( file.ext().downcase() == "xml" )
   {
      ossimXmlDocument* xdoc = new ossimXmlDocument();
      if ( xdoc->openFile(file) )
      {
         // See if it's a TerraSAR-X product xml file.
         if ( isRadarSat2ProductFile(xdoc) )
         {
            ossimString s;
            ossimRadarSat2ProductDoc helper;
            
            if ( helper.getImageFile(xdoc, s) )
            {
               ossimFilename imageFile = file.expand().path();
               imageFile = imageFile.dirCat(s);

               setFilename(imageFile);

               result = ossimTiffTileSource::open();
               if (result)
               {
                  theProductXmlFile = file;
                  completeOpen();
               }
            }
         }
      }
      delete xdoc;
      xdoc = 0;
      
   } // matches: if ( file.ext().downcase() == "xml" )

   if (traceDebug())
   {
      ossimNotify(ossimNotifyLevel_DEBUG)
         << MODULE << " exit status = " << (result?"true":"false\n")
         << std::endl;
   }

   return result;
}

//---
// Writer a dot rpf file for entry to output directory.
// 
// NOTES:
//
// 1) All coordinate written out in AREA or edge to edge format.
// 2) Throws ossimException on error.
//---
void ossimRpfUtil::writeDotRpfFile( const ossimRpfToc* toc,
                                    const ossimRpfTocEntry* tocEntry,
                                    const ossimFilename& outputDir,
                                    ossim_uint32 entry)
{
   static const char MODULE[] = "ossimRpfUtil::writeDotRpfFile";

   if ( traceDebug() )
   {
      ossimNotify(ossimNotifyLevel_DEBUG)
         << MODULE << " entered..."
         << "\noutput directory:  " << outputDir
         << "\nentry: " << entry << "\n";
   }

   if ( !toc )
   {
      std::string errMsg = MODULE;
      errMsg += " ERROR toc pointer null!";
      throw ossimException(errMsg);
   }
   if ( !tocEntry )
   {
      std::string errMsg = MODULE;
      errMsg += " ERROR toc entry pointer null!";
      throw ossimException(errMsg);
   }

   // Get the file name.
   ossimFilename outFile;
   if ( outputDir.expand().isDir() )
   {
      getDotRfpFilenameForEntry(outputDir, entry, outFile);
   }
   else
   {
      outFile = outputDir;
   }
   
   // Open the file to write.
   std::ofstream os;
   os.open(outFile.c_str(), ios::out);
   if ( os.good() == false )
   {
      std::string errMsg = MODULE;
      errMsg += "ERROR could not open: ";
      errMsg += outFile.string();
      throw ossimException(errMsg);
   }
   
   // Set up the output stream fix with full precision for ground points.
   os << setiosflags(std::ios_base::fixed) << setprecision(15);
   
   //---
   // Overall TOC entry bounds:
   // 
   // Write the first line which is the bounding box of the entry in the form of:
   // "89.9850464205332, 23.9892538162654|90.5085823882692, 24.5002602501599|1"
   //      lr-lon            lr-lat           ul-lon            ul-lat
   //---
   ossimRefPtr<ossimImageGeometry> geom = tocEntry->getImageGeometry();
   if( geom.valid() == false)
   {
      std::string errMsg = "ERROR could not get geometry.";
      errMsg += outFile.string();
      throw ossimException(errMsg);  
   }

   // Rectangle in image space.
   ossimIrect outputRect;
   tocEntry->getBoundingRect(outputRect);

   // bands:
   ossim_uint32 bands = tocEntry->getNumberOfBands();

   // scale:
   ossimDpt scale;
   tocEntry->getDecimalDegreesPerPixel(scale);
   ossimDpt halfPix = scale / 2.0;

   ossimGpt llg;
   ossimGpt urg;
   geom->localToWorld(outputRect.ur(), urg);
   geom->localToWorld(outputRect.ll(), llg);

   if ( traceDebug() )
   {
      ossimNotify(ossimNotifyLevel_DEBUG)
         << "outputRect: " << outputRect
         << "\nbands: " << bands
         << "\nscale: " << scale
         << "\nllg:   " << llg
//.........这里部分代码省略.........

bool ossimGeneralRasterInfo::open( const ossimFilename& imageFile )
{
   static const char MODULE[] = "ossimGeneralRasterInfo::open";
   if ( traceDebug() )
   {
      ossimNotify(ossimNotifyLevel_DEBUG)
         << MODULE << " entered..." << "\nimageFile: " << imageFile << std::endl;
   }

   bool result = false;

   // Wipe any previous state slick.
   clear();

   ossimFilename copyFile = imageFile;
   if ( !imageFile.exists() )
   {
      copyFile = imageFile.expand();
   }

   // Look for the headrer of omd file as they are written out by img2rr.
   ossimFilename hdr = copyFile;
   hdr.setExtension("hdr"); // image.hdr
   if ( !hdr.exists() )
   {
      hdr = imageFile;
      hdr.string() += ".hdr"; // image.ras.hdr
      if ( ! hdr.exists() )
      {
         hdr = imageFile;
         hdr.setExtension("xml"); // image.xml
      }
   }

   if ( hdr.exists() )
   {
      if ( traceDebug() )
      {
         ossimNotify(ossimNotifyLevel_DEBUG) << "header file: " << hdr << std::endl;
      }
      
      ossimString ext = hdr.ext().downcase();
      
      if ( ext == "hdr" )
      {
         if ( ossimEnviHeader::isEnviHeader( hdr ) )
         {
            result = initializeFromEnviHdr( hdr );
         }
         else
         {
            result = initializeFromHdr( imageFile, hdr );
         }

         if ( !result )
         {
            // Could be an ossim meta data file:
            ossimKeywordlist kwl( hdr );
            result = loadState( kwl, 0 );
         }
      }
      else if ( ext == "xml" )
      {
         result = initializeFromXml( imageFile, hdr );
      }
   }
   
   //---
   // Set the file name.  Needed for ossimGeneralRasterTileSource::open.
   // Note set here above loadState call to stop loadState from returning
   // false if no image file found.
   //---
   if ( theImageFileList.empty() )
   {
      setImageFile( imageFile );
   }
   
   ossimFilename omd = imageFile;
   omd.setExtension("omd"); // image.omd
   if ( !omd.exists() )
   {
      omd.setExtension("kwl"); // image.kwl
   }

   if ( omd.exists() )
   {
      if ( traceDebug() )
      {
         ossimNotify(ossimNotifyLevel_DEBUG) << "omd file: " << omd << std::endl;
      }

      ossimKeywordlist kwl( omd );

      if ( result && theMetaData.getNumberOfBands() )
      {
         //---
         // Just update the band info in case it has min/max values from
         // a compute min/max scan.
         //---
         theMetaData.updateMetaData( kwl, std::string("") );
//.........这里部分代码省略.........

void ossimRpfToc::createTocAndCopyFrames( const ossimFilename& dotRpfFile,
                                          const ossimFilename& outputDir )
{
   static const char MODULE[] = "ossimRpfToc::createTocAndCopyFrames";

   if ( traceDebug() )
   {
      ossimNotify(ossimNotifyLevel_DEBUG)
         << MODULE << " entered..."
         << "\ndot rpf file:      " << dotRpfFile
         << "\noutput directory:  " << outputDir
         << "\n";
   }

   if ( outputDir.expand().exists() == false )
   {
      if ( !outputDir.createDirectory(true, 0775) )
      {
         std::string e = MODULE;
         e += " ERROR:\nCould not create directory: ";
         e+= outputDir.c_str();
         throw ossimException(e);
      }
   }

   // Open the dot rpf file.
   std::ifstream* dotRpfStr = new std::ifstream;
   dotRpfStr->open(dotRpfFile, ios_base::in);
   if ( !dotRpfStr->good() )
   {
      delete dotRpfStr;
      dotRpfStr = 0;

      std::string e = MODULE;
      e += " ERROR:\nCould not open: ";
      e += dotRpfFile.c_str();
      throw ossimException(e);
   }

   ossimFilename sourceADotTocFile = getSourceTocFile(*dotRpfStr);
   if ( sourceADotTocFile.empty() )
   {
      delete dotRpfStr;
      dotRpfStr = 0;

      std::string e = MODULE;
      e += " ERROR:\nCould not deduce source a.toc file!";
      throw ossimException(e);
   }
   
   // Open the source a.toc file. Note the true flag is to keep the file header.
   ossimRefPtr<ossimRpfToc> sourceADotToc = new ossimRpfToc;
   if ( sourceADotToc->parseFile(sourceADotTocFile, true) != ossimErrorCodes::OSSIM_OK )
   {
      delete dotRpfStr;
      dotRpfStr = 0;
 
      std::string e = MODULE;
      e += " ERROR:\nCould not open: ";
      e += sourceADotTocFile.c_str();
      throw ossimException(e);
   }

   ossimRefPtr<const ossimNitfFileHeader> sourceNitfFileHdr = sourceADotToc->getNitfFileHeader();
   if ( !sourceNitfFileHdr.valid() )
   {
      delete dotRpfStr;
      dotRpfStr = 0;        

      std::string e = MODULE;
      e += " ERROR:\nCould not get nitf file header from: ";
      e += sourceADotTocFile.c_str();
      throw ossimException(e);
   }
   
   ossimRefPtr<const ossimRpfHeader> sourceRpfHdr = sourceADotToc->getRpfHeader();
   if ( !sourceRpfHdr.valid() )
   {
      delete dotRpfStr;
      dotRpfStr = 0;
      
      std::string e = MODULE;
      e += " ERROR:\nCould not get rpf header from: ";
      e += sourceADotTocFile.c_str();
      throw ossimException(e);
   }

   // Get the boundary rect sub header from the source a.toc.
   ossimRefPtr<ossimRpfBoundaryRectSectionSubheader> boundaryRectSectionSubheader =
      sourceRpfHdr->getNewBoundaryRectSectSubheader(sourceADotTocFile);
   if ( !boundaryRectSectionSubheader.valid() )
   {
      delete dotRpfStr;
      dotRpfStr = 0;

      std::string e = MODULE;
      e += " ERROR:\nCould not pull boundary rect sub header from source file: ";
      e += sourceADotTocFile.c_str();
      throw ossimException(e);
   }   
//.........这里部分代码省略.........