/usr/include/osgEarth/GeoCommon is in libosgearth-dev 2.5.0+dfsg-8build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2008-2013 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_GEOCOMMON_H
#define OSGEARTH_GEOCOMMON_H 1
namespace osgEarth
{
#define NO_DATA_VALUE -FLT_MAX
/**
* Types of interpolation between two geodetic locations.
*/
enum GeoInterpolation
{
GEOINTERP_GREAT_CIRCLE,
GEOINTERP_RHUMB_LINE
};
/**
* Elevation interpolation methods.
*/
enum ElevationInterpolation
{
INTERP_AVERAGE,
INTERP_NEAREST,
INTERP_BILINEAR,
INTERP_TRIANGULATE
};
/**
* Elevation stack sampling policy
*/
enum ElevationSamplePolicy
{
SAMPLE_FIRST_VALID,
SAMPLE_HIGHEST,
SAMPLE_LOWEST,
SAMPLE_AVERAGE
};
/**
* Indicates how to interpret a Z coordinate.
*/
enum AltitudeMode
{
ALTMODE_ABSOLUTE, // Z value is the absolute height above MSL/HAE.
ALTMODE_RELATIVE // Z value is the height above the terrain elevation.
};
}
#endif // OSGEARTH_GEODATA_H
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