FGFS-4.1/OpenSceneGraph
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Added EllipsoidLocator.

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This commit is contained in:
Robert Osfield
2007-03-27 11:23:57 +00:00
parent 37dd2851e9
commit e76e4e82db
3 changed files with 98 additions and 41 deletions
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39
include/osgTerrain/Locator
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@@ -16,6 +16,7 @@
#include <osg/Object>
#include <osg/Vec3d>
#include <osg/CoordinateSystemNode>
#include <osgTerrain/Export>
@@ -32,8 +33,8 @@ class OSGTERRAIN_EXPORT Locator : public osg::Object
META_Object(osgTerrain, Locator);
virtual bool convertLocalToModel(const osg::Vec3d& local, osg::Vec3d& world) { return false; };
virtual bool convertModelToWorld(const osg::Vec3d& world, osg::Vec3d& local) { return false; };
virtual bool convertLocalToModel(const osg::Vec3d& /*local*/, osg::Vec3d& /*world*/) { return false; };
virtual bool convertModelToWorld(const osg::Vec3d& /*world*/, osg::Vec3d& /*local*/) { return false; };
protected:
@@ -41,6 +42,40 @@ class OSGTERRAIN_EXPORT Locator : public osg::Object
};
class OSGTERRAIN_EXPORT EllipsoidLocator : public osgTerrain::Locator
{
public:
EllipsoidLocator(double longitude, double latitude, double deltaLongitude, double deltaLatitude, double height=0.0);
void setExtents(double longitude, double latitude, double deltaLongitude, double deltaLatitude, double height=0.0);
double getLongitude() const { return _longitude; }
double getDeltaLongitude() const { return _deltaLongitude; }
double getLatitude() const { return _latitude; }
double getDeltaLatitude() const { return _deltaLatitude; }
double getHeight() const { return _height; }
osg::EllipsoidModel* getEllipsoidModel() { return _em.get(); }
const osg::EllipsoidModel* getEllipsoidModel() const { return _em.get(); }
bool convertLocalToModel(const osg::Vec3d& local, osg::Vec3d& world);
bool convertModelToWorld(const osg::Vec3d& world, osg::Vec3d& local);
protected:
osg::ref_ptr<osg::EllipsoidModel> _em;
double _longitude;
double _latitude;
double _deltaLongitude;
double _deltaLatitude;
double _height;
};
}
#endif