DYT/Tool/OpenSceneGraph-3.6.5/include/osgEarth/TMSBackFiller
2024-12-25 07:49:36 +08:00

97 lines
3.4 KiB
C++

/* -*-c++-*- */
/* osgEarth - Geospatial SDK for OpenSceneGraph
* Copyright 2020 Pelican Mapping
* http://osgearth.org
*
* osgEarth is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#ifndef OSGEARTHUTIL_TMS_BACKFILLER_H
#define OSGEARTHUTIL_TMS_BACKFILLER_H
#include <osgEarth/Common>
#include <osgEarth/Profile>
#include <osgEarth/TMS>
namespace osgEarth { namespace Contrib
{
using namespace osgEarth;
/**
* Post processing utility for disk based TMS (Tile Map Service) repositories that takes data from a given level and "backfills" lower
* levels of data by mosaciing and resampling the higher lod data. This process is useful when processing web datasets that switch from one
* dataset to another at distinct lods which looks fine when viewed in a 2D slippy map but look incorrect when viewed at an angle in 3D
* in views that contain neighboring lods.
*/
class OSGEARTH_EXPORT TMSBackFiller
{
public:
TMSBackFiller();
/**
* Whether to dump out progress messages
* default = false
*/
void setVerbose( bool value ) { _verbose = value; }
bool getVerbose() const { return _verbose; }
/**
* The level to backfill up to
*/
void setMinLevel( unsigned int value ) { _minLevel = value; }
unsigned int getMinLevel() const { return _minLevel; }
/**
* The level to start backfilling from. All tiles up to the min level will be regenerated using tiles from this level of detail.
*/
void setMaxLevel( unsigned int value ) { _maxLevel = value; }
unsigned int getMaxLevel() const { return _maxLevel; }
/**
* The bounds to backfill within
*/
const Bounds& getBounds() const { return _bounds;}
void setBounds( Bounds& bounds) { _bounds = bounds;}
/**
* Processes the given TMS file with the given options
*/
void process( const std::string& tms, osgDB::Options* options );
private:
void processKey( const TileKey& key );
std::string getFilename( const TileKey& key );
osg::Image* readTile( const TileKey& key );
void writeTile( const TileKey& key, osg::Image* image );
osg::ref_ptr< TMS::TileMap > _tileMap;
unsigned int _minLevel;
unsigned int _maxLevel;
bool _verbose;
std::string _tmsPath;
Bounds _bounds;
osg::ref_ptr< osgDB::Options > _options;
};
} } // namespace osgEarth::Tools
#endif // OSGEARTHUTIL_TMS_PACKAGER_H