/usr/include/osgEarthUtil/LineOfSight is in libosgearth-dev 2.5.0+dfsg-8build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2008-2013 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_LINE_OF_SIGHT_H
#define OSGEARTH_UTIL_LINE_OF_SIGHT_H
#include <osgEarthUtil/Common>
#include <osg/Group>
namespace osgEarth { namespace Util
{
using namespace osgEarth;
struct LineOfSight
{
/**
* The line of sight display mode
*/
enum DisplayMode
{
/**
* Split mode draws a line in the good color from the start of the line to the first hit, then a bad line from the hit to the end
*/
MODE_SPLIT,
/**
* Single mode draws a single line from start to end and colors it good or bad depending on whether there is line of sight or not.
*/
MODE_SINGLE
};
};
/**
* Base class for LOS node implementations
*/
class /* no export */ LineOfSightNode : public osg::Group
{
public:
LineOfSightNode() { }
virtual ~LineOfSightNode() { }
};
/**
* Callback for LOS change notifications
*/
struct LOSChangedCallback : public osg::Referenced
{
public:
virtual void onChanged() {};
/** dtor */
virtual ~LOSChangedCallback() { }
};
typedef std::list< osg::ref_ptr<LOSChangedCallback> > LOSChangedCallbackList;
} } // namespace osgEarth::Util
#endif // OSGEARTH_UTIL_LINE_OF_SIGHT_H
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