/usr/include/osgEarthDrivers/gdal/GDALOptions is in libosgearth-dev 2.9.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 | /* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2016 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* 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 OSGEARTH_DRIVER_GDAL_DRIVEROPTIONS
#define OSGEARTH_DRIVER_GDAL_DRIVEROPTIONS 1
#include <osgEarth/Common>
#include <osgEarth/TileSource>
#include <osgEarth/GeoCommon>
#include <osgEarth/URI>
// forward-declare GDAL type
class GDALDataset;
namespace osgEarth { namespace Drivers
{
using namespace osgEarth;
class GDALOptions : public TileSourceOptions // NO EXPORT; header only
{
public:
class ExternalDataset : public osg::Referenced // NO EXPORT; header only
{
public:
ExternalDataset() : osg::Referenced(), _dataset(NULL), _ownsDataset(true) {};
ExternalDataset(GDALDataset* dataset, bool ownsDataset) : osg::Referenced(), _dataset(dataset), _ownsDataset(ownsDataset) {};
protected:
virtual ~ExternalDataset() {};
public:
GDALDataset* dataset() const { return _dataset; };
void setDataset(GDALDataset* dataset) { _dataset = dataset; };
bool ownsDataset() const { return _ownsDataset; };
void setOwnsDataset(bool ownsDataset) { _ownsDataset = ownsDataset; };
private:
GDALDataset* _dataset;
bool _ownsDataset;
};
public: // properties
optional<URI>& url() { return _url; }
const optional<URI>& url() const { return _url; }
/*
* If the data source is a database (e.g., PostGIS), the connection
* string to use to open the database table.
*/
optional<std::string>& connection() { return _connection; }
const optional<std::string>& connection() const { return _connection; }
/*
* One or more file extensions, separated by semicolons, to load when
* url points to a folder and you are trying to load multiple files.
*/
optional<std::string>& extensions() { return _extensions; }
const optional<std::string>& extensions() const { return _extensions; }
/**
* Set of file extensions to ignore (opposite of extensions)
*/
optional<std::string>& blackExtensions() { return _blackExtensions; }
const optional<std::string>& blackExtensions() const { return _blackExtensions; }
/**
* Interpolation method to use when resampling source data; options are
* nearest, average, and bilinear. Only effects elevation data
* unless interp_imagery is also set to true.
*/
optional<ElevationInterpolation>& interpolation() { return _interpolation; }
const optional<ElevationInterpolation>& interpolation() const { return _interpolation; }
/**
* Tells the driver to always generate data to this level even if it means
* upsampling
*/
optional<unsigned int>& maxDataLevelOverride() { return _maxDataLevelOverride;}
const optional<unsigned int>& maxDataLevelOverride() const { return _maxDataLevelOverride;}
/*
* Some GDAL-supported formats support sub-datasets; use this property
* to specify such a data source
*/
optional<unsigned int>& subDataSet() { return _subDataSet;}
const optional<unsigned int>& subDataSet() const { return _subDataSet;}
/**
* Set to true to also sample imagery using the method specified by "interpolation"
* By default imagery is sampled using nearest sampling. This takes advantage of
* any built in overviews or wavelet compression in the source file but can
* cause artifacts on neighboring tiles. Interpolating the imagery can look nicer
* but will be much slower.
*/
optional<bool>& interpolateImagery() { return _interpolateImagery;}
const optional<bool>& interpolateImagery() const { return _interpolateImagery;}
/**
The "warp profile" is a way to tell the GDAL driver to keep the original SRS and geotransform of the source data
but use a Warped VRT to make the data appear to conform to the given profile. This is useful for merging multiple
files that may be in different projections using the composite driver.
*/
optional<ProfileOptions>& warpProfile() { return _warpProfile; }
const optional<ProfileOptions>& warpProfile() const { return _warpProfile; }
/**
The "external dataset" is a way to provide your own GDAL dataset to the GDAL driver.
There are two fields :
- dataset() : which stores your own GDAL dataset pointer
- ownsDataset() : if set to true, the GDALTileSource "owns" the external dataset and closes it when deleted.
*/
osg::ref_ptr<ExternalDataset>& externalDataset() { return _externalDataset; }
const osg::ref_ptr<ExternalDataset>& externalDataset() const { return _externalDataset; }
public: // ctors
GDALOptions( const TileSourceOptions& options =TileSourceOptions() ) :
TileSourceOptions( options ),
_interpolation( INTERP_AVERAGE ),
_interpolateImagery( false )
{
setDriver( "gdal" );
fromConfig( _conf );
}
virtual ~GDALOptions() { }
public:
Config getConfig() const
{
Config conf = TileSourceOptions::getConfig();
conf.set( "url", _url );
conf.set( "connection", _connection );
conf.set( "extensions", _extensions );
conf.set( "black_extensions", _blackExtensions );
if ( _interpolation.isSet() ) {
if ( _interpolation.value() == osgEarth::INTERP_NEAREST ) conf.update( "interpolation", "nearest" );
else if ( _interpolation.value() == osgEarth::INTERP_AVERAGE ) conf.update( "interpolation", "average" );
else if ( _interpolation.value() == osgEarth::INTERP_BILINEAR ) conf.update( "interpolation", "bilinear" );
}
conf.set( "max_data_level_override", _maxDataLevelOverride);
conf.set( "subdataset", _subDataSet);
conf.set( "interp_imagery", _interpolateImagery);
conf.setObj( "warp_profile", _warpProfile );
conf.updateNonSerializable( "GDALOptions::ExternalDataset", _externalDataset.get() );
return conf;
}
void mergeConfig( const Config& conf ) {
TileSourceOptions::mergeConfig( conf );
fromConfig( conf );
}
void fromConfig( const Config& conf ) {
conf.getIfSet( "url", _url );
conf.getIfSet( "connection", _connection );
conf.getIfSet( "extensions", _extensions );
conf.getIfSet( "black_extensions", _blackExtensions );
std::string in = conf.value( "interpolation" );
if ( in == "nearest" ) _interpolation = osgEarth::INTERP_NEAREST;
else if ( in == "average" ) _interpolation = osgEarth::INTERP_AVERAGE;
else if ( in == "bilinear" ) _interpolation = osgEarth::INTERP_BILINEAR;
conf.getIfSet( "max_data_level_override", _maxDataLevelOverride);
conf.getIfSet( "subdataset", _subDataSet);
conf.getIfSet("interp_imagery", _interpolateImagery);
conf.getObjIfSet( "warp_profile", _warpProfile );
_externalDataset = conf.getNonSerializable<ExternalDataset>( "GDALOptions::ExternalDataset" );
}
optional<URI> _url;
optional<std::string> _connection;
optional<std::string> _extensions;
optional<std::string> _blackExtensions;
optional<ElevationInterpolation> _interpolation;
optional<bool> _interpolateImagery;
optional<unsigned int> _maxDataLevelOverride;
optional<unsigned int> _subDataSet;
optional<ProfileOptions> _warpProfile;
osg::ref_ptr<ExternalDataset> _externalDataset;
};
} } // namespace osgEarth::Drivers
#endif // OSGEARTH_DRIVER_GDAL_DRIVEROPTIONS
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