/usr/include/osgEarth/Locators is in libosgearth-dev 2.7.0+dfsg-2+b3.
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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 | /* -*-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_LOCATORS_H
#define OSGEARTH_LOCATORS_H 1
#include <osgEarth/Common>
#include <osgEarth/GeoData>
#include <osgTerrain/Locator>
namespace osgEarth
{
/**
* Locator that stores the extent of its source data (which might be different
* than the extent of the locator's transform). This locator can also automatically
* crop out a section of the source image.
*/
class OSGEARTH_EXPORT GeoLocator : public osgTerrain::Locator
{
public:
GeoLocator();
GeoLocator( const GeoExtent& dataExtent );
GeoLocator( const osgTerrain::Locator& prototype, const GeoExtent& dataExtent );
/** Construct a locator that crops to a display extent. */
GeoLocator( const osgTerrain::Locator& prototype, const GeoExtent& dataExtent, const GeoExtent& displayExtent );
/** dtor */
virtual ~GeoLocator() { }
static GeoLocator* createForKey( const class TileKey& key, const class MapInfo& mapInfo );
static GeoLocator* createForExtent( const GeoExtent& extent, const class MapInfo& mapInfo);
GeoLocator* createSameTypeForKey(const class TileKey& key, const class MapInfo& mapInfo );
virtual GeoLocator* createSameTypeForExtent(const GeoExtent& extent, const class MapInfo& mapInfo);
void setDataExtent( const GeoExtent& extent );
const GeoExtent& getDataExtent() const;
virtual GeoLocator* getGeographicFromGeocentric() const;
virtual bool isEquivalentTo( const GeoLocator& rhs ) const;
// generates linear (evenly-spaced) coordinates
virtual bool isLinear() const { return true; }
virtual bool createScaleBiasMatrix(const GeoExtent& window, osg::Matrixd& out_m) const;
virtual bool createScaleBiasMatrix(const GeoExtent& window, osg::Matrixf& out_m) const;
public: // better-sounding functions.
bool modelToUnit(const osg::Vec3d& model, osg::Vec3d& unit) const {
return convertModelToLocal(model, unit);
}
bool unitToModel(const osg::Vec3d& unit, osg::Vec3d& model) const {
return convertLocalToModel(unit, model);
}
public: // Locator
virtual bool convertModelToLocal(const osg::Vec3d& world, osg::Vec3d& local) const;
protected:
void cropLocal( osg::Vec3d& local ) const;
bool _inverseCalculated;
private:
GeoExtent _dataExtent;
double _x0, _y0, _x1, _y1;
};
/**
* A terrain locator that generates texture coordinates that warp a Mercator image.
*
* Note: the MercatorLocator doesn't have a "cropping" variation b/c it automatically
* self-crops as necessary.
*/
class OSGEARTH_EXPORT MercatorLocator : public GeoLocator
{
public:
MercatorLocator( const GeoExtent& dataExtent );
MercatorLocator( const osgTerrain::Locator& prototype, const GeoExtent& dataExtent );
//virtual bool convertLocalToModel(const osg::Vec3d& local, osg::Vec3d& model) const;
virtual bool convertModelToLocal(const osg::Vec3d& world, osg::Vec3d& local) const;
virtual GeoLocator* getGeographicFromGeocentric() const;
// does NOT generate linear coordinates
virtual bool isLinear() const { return false; }
// override.
virtual GeoLocator* createSameTypeForExtent(const GeoExtent& extent, const class MapInfo& mapInfo);
private:
GeoExtent _geoDataExtent;
void postInit();
};
}
#endif // OSGEARTH_LOCATORS_H
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