void ossimElevManager::loadStandardElevationPaths()
{
ossimFilename userDir = ossimEnvironmentUtility::instance()->getUserOssimSupportDir();
ossimFilename installDir = ossimEnvironmentUtility::instance()->getInstalledOssimSupportDir();
userDir = userDir.dirCat("elevation");
installDir = installDir.dirCat("elevation");
loadElevationPath(userDir);
loadElevationPath(installDir);
ossimString paths = ossimEnvironmentUtility::instance()->getEnvironmentVariable("OSSIM_ELEVATION_PATH");
std::vector<ossimString> pathArray;
ossimString pathSeparator = ":";
#if defined(WIN32) && !defined(CYGWIN)
pathSeparator = ";";
#endif
if(!paths.empty())
{
paths.split(pathArray, pathSeparator);
if(!pathArray.empty())
{
ossim_uint32 idx = 0;
for(idx = 0; idx < pathArray.size(); ++idx)
{
ossimFilename file(pathArray[idx]);
if(file.exists())
{
loadElevationPath(file);
}
}
}
}
}
/**
* Method to the load (recreate) the state of an object from a keyword
* list. Return true if ok or false on error.
*/
bool ossimElevManager::loadState(const ossimKeywordlist& kwl, const char* prefix)
{
if (traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< "DEBUG ossimElevManager::loadState: Entered..."
<< std::endl;
}
if(!ossimElevSource::loadState(kwl, prefix))
{
return false;
}
ossimString copyPrefix(prefix);
ossimString elevationOffset = kwl.find(copyPrefix, "elevation_offset");
ossimString defaultHeightAboveEllipsoid = kwl.find(copyPrefix, "default_height_above_ellipsoid");
ossimString useGeoidIfNull = kwl.find(copyPrefix, "use_geoid_if_null");
ossimString elevRndRbnSize = kwl.find(copyPrefix, "threads");
if(!elevationOffset.empty())
{
m_elevationOffset = elevationOffset.toDouble();
}
if(!defaultHeightAboveEllipsoid.empty())
{
m_defaultHeightAboveEllipsoid = defaultHeightAboveEllipsoid.toDouble();
}
if(!useGeoidIfNull.empty())
{
m_useGeoidIfNullFlag = useGeoidIfNull.toBool();
}
ossim_uint32 numThreads = 1;
if(!elevRndRbnSize.empty())
{
if (elevRndRbnSize.contains("yes") || elevRndRbnSize.contains("true"))
numThreads = ossim::getNumberOfThreads();
else if (elevRndRbnSize.contains("no") || elevRndRbnSize.contains("false"))
numThreads = 1;
else
{
numThreads = elevRndRbnSize.toUInt32();
numThreads = numThreads > 0 ? numThreads : 1;
}
}
setRoundRobinMaxSize(numThreads);
ossimString regExpression = ossimString("^(") + copyPrefix + "elevation_source[0-9]+.)";
vector<ossimString> keys = kwl.getSubstringKeyList( regExpression );
long numberOfSources = (long)keys.size();
ossim_uint32 offset = (ossim_uint32)(copyPrefix+"elevation_source").size();
ossim_uint32 idx = 0;
std::vector<int> theNumberList(numberOfSources);
for(idx = 0; idx < theNumberList.size();++idx)
{
ossimString numberStr(keys[idx].begin() + offset,
keys[idx].end());
theNumberList[idx] = numberStr.toInt();
}
std::sort(theNumberList.begin(), theNumberList.end());
for(idx=0;idx < theNumberList.size();++idx)
{
ossimString newPrefix = copyPrefix;
newPrefix += ossimString("elevation_source");
newPrefix += ossimString::toString(theNumberList[idx]);
if (traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< "DEBUG ossimElevManager::loadState:"
<< "\nLooking for key: " << newPrefix
<< std::endl;
}
//---
// Check for enabled key first. Default, if not found is true for
// legacy compatibility.
//---
bool enabled = true;
std::string key = newPrefix.string();
key += ".";
key += ossimKeywordNames::ENABLED_KW;
std::string value = kwl.findKey( key );
if ( value.size() )
{
enabled = ossimString(value).toBool();
}
if ( enabled )
{
// first check if new way is supported
ossimRefPtr<ossimElevationDatabase> database =
ossimElevationDatabaseRegistry::instance()->createDatabase(kwl, newPrefix+".");
if(database.valid())
{
if (traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< "DEBUG ossimElevManager::loadState:"
<< "\nadding elevation database: "
<< database->getClassName()
<< ": " << database->getConnectionString()
<< std::endl;
}
addDatabase(database.get());
}
else
{
// if not new elevation load verify the old way by
// looking at the filename
//
ossimString fileKey = newPrefix;
fileKey += ".";
fileKey += ossimKeywordNames::FILENAME_KW;
ossimString lookup = kwl.find(prefix, fileKey.c_str());
if (!lookup.empty())
{
loadElevationPath(ossimFilename(lookup));
} // end if lookup
}
}
} // end for loop
return true;
}
/**
* Method to the load (recreate) the state of an object from a keyword
* list. Return true if ok or false on error.
*/
bool ossimElevManager::loadState(const ossimKeywordlist& kwl,
const char* prefix)
{
if (traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< "DEBUG ossimElevManager::loadState: Entered..."
<< std::endl;
}
if(!ossimElevSource::loadState(kwl, prefix))
{
return false;
}
ossimString copyPrefix(prefix);
ossimString elevationOffset = kwl.find(copyPrefix, "elevation_offset");
ossimString defaultHeightAboveEllipsoid = kwl.find(copyPrefix, "default_height_above_ellipsoid");
ossimString useGeoidIfNull = kwl.find(copyPrefix, "use_geoid_if_null");
if(!elevationOffset.empty())
{
m_elevationOffset = elevationOffset.toDouble();
}
if(!defaultHeightAboveEllipsoid.empty())
{
m_defaultHeightAboveEllipsoid = defaultHeightAboveEllipsoid.toDouble();
}
if(!useGeoidIfNull.empty())
{
m_useGeoidIfNullFlag = useGeoidIfNull.toBool();
}
ossimString regExpression = ossimString("^(") + copyPrefix + "elevation_source[0-9]+.)";
vector<ossimString> keys =
kwl.getSubstringKeyList( regExpression );
long numberOfSources = (long)keys.size();
ossim_uint32 offset = (ossim_uint32)(copyPrefix+"elevation_source").size();
ossim_uint32 idx = 0;
std::vector<int> theNumberList(numberOfSources);
for(idx = 0; idx < theNumberList.size();++idx)
{
ossimString numberStr(keys[idx].begin() + offset,
keys[idx].end());
theNumberList[idx] = numberStr.toInt();
}
std::sort(theNumberList.begin(), theNumberList.end());
for(idx=0;idx < theNumberList.size();++idx)
{
ossimString newPrefix = copyPrefix;
newPrefix += ossimString("elevation_source");
newPrefix += ossimString::toString(theNumberList[idx]);
if (traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< "DEBUG ossimElevManager::loadState:"
<< "\nLooking for key: " << newPrefix
<< std::endl;
}
// first check if new way is supported
//
ossimRefPtr<ossimElevationDatabase> database = ossimElevationDatabaseRegistry::instance()->createDatabase(kwl, newPrefix+".");
if(database.valid())
{
if (traceDebug())
{
ossimNotify(ossimNotifyLevel_DEBUG)
<< "DEBUG ossimElevManager::loadState:"
<< "\nadding elevation database: "
<< database->getClassName()
<< ": " << database->getConnectionString()
<< std::endl;
}
addDatabase(database.get());
}
else
{
// if not new elevation load verify the old way by
// looking at the filename
//
ossimString fileKey = newPrefix;
fileKey += ".";
fileKey += ossimKeywordNames::FILENAME_KW;
ossimString lookup = kwl.find(prefix, fileKey.c_str());
if (!lookup.empty())
{
loadElevationPath(ossimFilename(lookup));
} // end if lookup
}
} // end for loop
return true;
}
