50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
/* -*-c++-*- */
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/* osgEarth - Geospatial SDK for OpenSceneGraph
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* Copyright 2020 Pelican Mapping
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* http://osgearth.org
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*
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* osgEarth is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#ifndef OSGEARTH_ELEVATION_RANGES_H
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#define OSGEARTH_ELEVATION_RANGES_H 1
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#include <osgEarth/Common>
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#include <osgEarth/Profile>
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namespace osgEarth
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{
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/**
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* An approximate, fast index of the min/max elevation of the entire world.
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*/
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class OSGEARTH_EXPORT ElevationRanges : public osg::Referenced
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{
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public:
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// The maximum level that we have index data for.
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static unsigned int getMaxLevel();
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// Always global-geodetic
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static osg::ref_ptr<const Profile> getProfile();
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// Gets the min/max elevation at the given tile key index.
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static bool getElevationRange(unsigned int level, unsigned int x, unsigned int y, short& min, short& max);
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// Get the default min/max elevation range if no index data is available.
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static bool getDefaultElevationRange(short& min, short& max);
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};
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} // namespace osgEarth
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#endif
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