/usr/include/osgEarthUtil/ViewFitter is in libosgearth-dev 2.9.0+dfsg-1.
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 | /* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2016 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_UTIL_VIEW_FITTER_H
#define OSGEARTH_UTIL_VIEW_FITTER_H
#include <osgEarthUtil/Common>
#include <osgEarth/GeoData>
#include <osgEarth/Viewpoint>
#include <osg/Camera>
namespace osgEarth { namespace Util
{
using namespace osgEarth;
/**
* Creates Viewpoints that fit a camera's view frustum to encompass
* a set of geospatial points as tightly as possible.
*/
class OSGEARTHUTIL_EXPORT ViewFitter
{
public:
//! Construct a ViewFitter with a Map SRS and a camera.
ViewFitter(const SpatialReference* mapSRS, const osg::Camera* camera);
//! Creates a Viewpoint that looks straight down on the map and
//! encompasses the provided set of points.
//! Returns true upon success, or false if there is missing data or if
//! the camera is orthographic.
bool createViewpoint(const std::vector<GeoPoint>& points, Viewpoint& out) const;
//! Sets a buffer (in meters) to apply to the view fit. Applying a buffer will
//! expand the view so that the points are at least "buffer" meters inside the
//! edge of the fitted view.
void setBuffer(double value_meters) { _buffer_m = value_meters; }
double getBuffer() const { return _buffer_m; }
//! Sets the reference VFOV when using an orthographic camera.
void setReferenceVFOV(float vfov_degrees);
protected:
osg::ref_ptr<const osg::Camera> _camera;
osg::ref_ptr<const SpatialReference> _mapSRS;
float _vfov;
double _buffer_m;
};
} } // namespace osgEarth::Util
#endif // OSGEARTH_UTIL_VIEW_FITTER_H
|