source: experimental/TerrainTest/region.h

#pragma once
/* -*-c++-*- osgVisual - Copyright (C) 2009-2011 Torben Dannhauer
 *
 * This library is based on OpenSceneGraph, open source and may be redistributed and/or modified under 
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 *
 * osgVisual requires for some proprietary modules a license from the correspondig manufacturer.
 * You have to aquire licenses for all used proprietary modules.
 * 
 * This library 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
 * OpenSceneGraph Public License for more details.
*/

#include <osgTerrain/TerrainTile>

/**
 * \brief This class defines the extends of a region. This region is a square and is defined by the latitude and longitude range
 * 
 * @author Torben Dannhauer
 * @date  Mrz 2011
 */ 
class region : public osg::Referenced
{
public:
        //! Constructor: Plain constructor, you have to set the extend manually.
        region() : _lat_min(0.0), _lat_max(0.0), _lon_min(0.0), _lon_max(0.0) {};

        //! Destructor: Empty
        ~region(){};

        //! Constructor: Constructed with the specified extend
        region( double lat_min, double lat_max, double lon_min, double lon_max) : _lat_min(lat_min), _lat_max(lat_max), _lon_min(lon_min), _lon_max(lon_max) {};
        region( osg::HeightField& h );
        bool isInside(region& outsider);
        bool isFullOrPartiallyInside(region& outsider);
        double delta_lat(){return(_lat_max-_lat_min);}
        double delta_lon(){return(_lon_max-_lon_min);}
        double _lat_min;
        double _lat_max;
        double _lon_min;
        double _lon_max;
} ;