/usr/include/osgEarth/VerticalDatum is in libosgearth-dev 2.7.0+dfsg-2+b3.
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 | /* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2015 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_VERTICAL_DATUM_H
#define OSGEARTH_VERTICAL_DATUM_H 1
#include <osgEarth/Common>
#include <osgEarth/Geoid>
#include <osgEarth/Units>
#include <osg/Shape>
namespace osgEarth
{
class OSGEARTH_EXPORT GeoExtent;
/**
* Reference information for vertical (height) information.
*/
class OSGEARTH_EXPORT VerticalDatum : public osg::Object
{
public:
META_Object(osgEarth, VerticalDatum);
/**
* Creates an vertical datum from an initialization string. This method
* uses an internal cache so that there is only ever one instance or each
* unique vertical datum.
*/
static VerticalDatum* get( const std::string& init );
public: // static transform methods
/**
* Transforms a Z coordinate from one vertical datum to another.
*/
static bool transform(
const VerticalDatum* from,
const VerticalDatum* to,
double lat_deg,
double lon_deg,
double& in_out_z );
/**
* Transforms a Z coordinate from one vertical datum to another.
*/
static bool transform(
const VerticalDatum* from,
const VerticalDatum* to,
double lat_deg,
double lon_deg,
float& in_out_z );
/**
* Transforms the values in a height field from one vertical datum to another.
*/
static bool transform(
const VerticalDatum* from,
const VerticalDatum* to,
const GeoExtent& extent,
osg::HeightField* hf );
public: // raw transformations
/**
* Converts an MSL value (height relative to a mean sea level model) to the
* corresponding HAE value (height above the model's reference ellipsoid)
*/
virtual double msl2hae( double lat_deg, double lon_deg, double msl ) const;
/**
* Converts an HAE value (height above the model's reference ellipsoid) to the
* corresponding MSL value (height relative to a mean sea level model)
*/
virtual double hae2msl(double lat_deg, double lon_deg, double hae) const;
public: // properties
/** Gets the readable name of this SRS. */
const std::string& getName() const { return _name; }
/** Gets the linear units of height values */
const Units& getUnits() const { return _units; }
/** Gets the string that was used to initialize this SRS */
const std::string& getInitString() const { return _initString; }
/** Gets the underlying geoid */
const Geoid* getGeoid() const { return _geoid.get(); }
/** Tests this SRS for equivalence with another. */
virtual bool isEquivalentTo( const VerticalDatum* rhs ) const;
public:
/** Creates a geoid-based VSRS. */
VerticalDatum(
const std::string& name,
const std::string& initString,
Geoid* geoid =0L );
/** Creates a simple ellipsoidal VSRS. */
VerticalDatum( const Units& units );
/** dtor */
virtual ~VerticalDatum() { }
protected:
// required by META_Object, but not used.
VerticalDatum() { }
VerticalDatum(const VerticalDatum& rhs, const osg::CopyOp& op) { }
std::string _name;
std::string _initString;
osg::ref_ptr<Geoid> _geoid;
Units _units;
};
//--------------------------------------------------------------------
/**
* Creates a geoid instance based on an initialization string.
*/
class OSGEARTH_EXPORT VerticalDatumFactory
{
public:
static VerticalDatum* create( const std::string& id );
};
}
#endif // OSGEARTH_VERTICAL_DATUM_H
|