bool ossimElevManager::loadElevationPath(const ossimFilename& path)
{
bool result = false;
ossimElevationDatabase* database = ossimElevationDatabaseRegistry::instance()->open(path);
if(!database&&path.isDir())
{
ossimDirectory dir;
if(dir.open(path))
{
ossimFilename file;
dir.getFirst(file, ossimDirectory::OSSIM_DIR_DIRS);
do
{
database = ossimElevationDatabaseRegistry::instance()->open(file);
if(database)
{
result = true;
addDatabase(database);
}
}while(dir.getNext(file));
}
}
else if(database)
{
result = true;
addDatabase(database);
}
return result;
}
bool ossimDtedElevationDatabase::openDtedDirectory(const ossimFilename& dir)
{
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG) << "ossimDtedElevationDatabase::open entered ...\n";
}
bool result = dir.isDir();
if(result)
{
if ( !m_extension.size() )
{
//---
// This sets extension by doing a directory scan and is now depricated.
// Use "extension" key in preferences to avoid this. Example:
// elevation_manager.elevation_source0.extension: dt2
//---
result = inititializeExtension( dir );
if ( !result && traceDebug() )
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< "ossimDtedElevationDatabase::open: WARNING "
<< "Scan for dted extension failed!\n"
<< "Can be set in ossim preferences. Example:\n"
<< "elevation_manager.elevation_source0.extension: .dt2";
}
}
// Set the geoid:
if( !m_geoid.valid() )
{
m_geoid = ossimGeoidManager::instance()->findGeoidByShortName("geoid1996", false);
if(!m_geoid.valid()&&traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< "ossimDtedElevationDatabase::open: WARNING "
<< "Unable to load goeid grid 1996 for DTED database\n";
}
}
}
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< "ossimDtedElevationDatabase::open result:" << (result?"true":"false") << "\n";
}
return result;
}
bool ossimGeneralRasterElevationDatabase::openGeneralRasterDirectory(const ossimFilename& dir)
{
m_cellHandler = new ossimGeneralRasterElevHandler;
bool foundOne = false;
if(dir.exists())
{
if(dir.isDir())
{
ossimDirectory d(dir);
ossimFilename file;
ossim_uint32 maxCount = 10; // search at least the first 10 files to see if there are any here
ossim_uint32 count = 0;
if(d.getFirst(file))
{
do
{
++count;
ossimString ext = file.ext();
ext = ext.downcase();
if(ext == "ras")
{
if(m_cellHandler->open(file, m_memoryMapCellsFlag))
{
m_meanSpacing = m_cellHandler->getMeanSpacingMeters();
foundOne = true;
}
}
} while(d.getNext(file) &&
(foundOne ||
(!foundOne && (count < maxCount))));
}
}
}
if(!foundOne)
{
m_cellHandler = 0;
}
return m_cellHandler.valid();
}
bool ossimDtedElevationDatabase::openDtedDirectory(const ossimFilename& dir)
{
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG) << "ossimDtedElevationDatabase::open entered ...\n";
}
bool result = dir.isDir();
if(result)
{
ossim_uint32 count = 0;
ossim_uint32 maxCount = 10;
ossimDirectory od;
result = od.open(dir);
if(result)
{
result = false;
ossimFilename f;
// Get the first directory.
od.getFirst(f, ossimDirectory::OSSIM_DIR_DIRS);
do
{
++count;
// Must be a directory.
if (f.isDir())
{
// Discard any full path.
ossimFilename fileOnly = f.file();
// Downcase it.
fileOnly.downcase();
// Must start with 'e' or 'w'.
bool foundCell = ( ((fileOnly.c_str()[0] == 'e') || ( fileOnly.c_str()[0] == 'w')) &&
(fileOnly.size() == 4));
if(foundCell)
{
ossim_uint32 maxCount2 = 10;
ossim_uint32 count2 = 0;
ossimDirectory d2;
if(d2.open(f))
{
d2.getFirst(f, ossimDirectory::OSSIM_DIR_FILES);
do
{
ossimRefPtr<ossimDtedHandler> dtedHandler = new ossimDtedHandler();
if(dtedHandler->open(f, false))
{
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG) << "ossimDtedElevationDatabase::open: Found dted file " << f << "\n";
}
result = true;
m_extension = "."+f.ext();
m_connectionString = dir;
m_meanSpacing = dtedHandler->getMeanSpacingMeters();
}
dtedHandler->close();
dtedHandler = 0;
++count2;
}while(!result&&d2.getNext(f)&&(count2 < maxCount2));
}
}
}
}while(!result&&(od.getNext(f))&&(count < maxCount));
}
}
if(result)
{
if(!m_geoid.valid())
{
m_geoid = ossimGeoidManager::instance()->findGeoidByShortName("geoid1996", false);
}
if(!m_geoid.valid()&&traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG) << "ossimDtedElevationDatabase::open: Unable to load goeid grid 1996 for DTED database\n";
}
}
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG) << "ossimDtedElevationDatabase::open leaving ...\n";
}
return result;
}
bool isIgnoredFile(const ossimFilename& file)
{
bool status = false;
if (trace)
{
cout << "file: " << file << endl;
}
if ( file.size() )
{
ossimFilename f = file.file();
ossimFilename e = file.ext();
if ( ( f == ".moc" ) ||
( f == ".svn" ) ||
( f == "CMakeCache.txt" ) ||
( f == "CMakeFiles" ) ||
( f == "cmake_install.cmake" ) ||
( f == "cmake_uninstall.cmake" ) ||
( f == "CVS" ) ||
( f == "doc" ) ||
( f == ".cvsignore" ) ||
( f == "bin" ) ||
( f == "build" ) ||
( f == "builds" ) ||
( f == "configure") ||
( f == "config.log" ) ||
( f == "config.status") ||
( f == "lib" ) ||
( f == "Makefile" ) ||
( f == "Makefile.common" ) ||
( f == "make.out" ) ||
( f == "projects") ||
( f == "wxmac.icns") ||
( f == "xcode" ) ||
( e == "d" ) || // dot d file
( e == "o" ) || // object file
( e == "obj" ) ||
( e == "exe" ) ||
( e == "tmp" )
)
{
status = true;
}
else if ( file.contains("apps") || file.contains("test") )
{
if ( file.isDir() ) // Go into apps and test dir.
{
status = false;
}
else if ( (e != "h") && (e != "cpp") )
{
// Ignore binary files. Only diff headers and source files.
status = true;
}
}
if ( file[file.size()-1] == '~' )
{
status = true; // xemacs
}
} // if ( file.size() )
else
{
status = true; // empty
}
if ( trace && (status == true) )
{
cout << "ignoring file: " << file << endl;
}
return status;
}
bool ossimSrtmElevationDatabase::openSrtmDirectory(const ossimFilename& dir)
{
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG) << "ossimSrtmElevationDatabase::open: Entered....\n";
}
if(!m_geoid.valid())
{
m_geoid = ossimGeoidManager::instance()->findGeoidByShortName("geoid1996", false);
}
//---
// Sample format:
// dir
// | |
// N35W121.hgt N35W121.hgt
//---
ossim_uint32 count = 0;
ossim_uint32 maxCount = 25;
if (!dir.isDir())
{
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG) << "ossimSrtmElevationDatabase::open: Not a directory, leaving ... " << dir << "\n";
}
return false;
}
ossimDirectory od(dir);
if (od.isOpened() == false)
{
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG) << "ossimSrtmElevationDatabase::open: Unable to open directory " << dir << ", Leaving ... \n";
}
return false;
}
ossimFilename f;
//ossimSrtmSupportData sd;
ossimRefPtr<ossimSrtmHandler> handler = new ossimSrtmHandler;
if(od.getFirst(f, ossimDirectory::OSSIM_DIR_FILES))
{
do
{
++count;
if(handler->open(f))
{
m_meanSpacing = handler->getMeanSpacingMeters();
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG) << "ossimSrtmElevationDatabase::open: Found file " << f << "\n";
if(!m_geoid.valid())
{
ossimNotify(ossimNotifyLevel_DEBUG) << "ossimSrtmElevationDatabase::open: Unable to load goeid grid 1996 for SRTM database\n";
}
}
return true;
}
}while((od.getNext(f)) &&(count < maxCount));
}
if(traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG) << "ossimSrtmElevationDatabase::open: Leaving ... \n";
}
return false;
}
