/usr/include/osgEarthSymbology/InstanceResource 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.
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/* 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 OSGEARTHSYMBOLOGY_INSTANCE_RESOURCE_H
#define OSGEARTHSYMBOLOGY_INSTANCE_RESOURCE_H 1
#include <osgEarthSymbology/Common>
#include <osgEarthSymbology/Resource>
#include <osgEarthSymbology/InstanceSymbol>
#include <osgEarth/URI>
#include <map>
namespace osgEarth { namespace Symbology
{
using namespace osgEarth;
/**
* A resource that materializes an InstanceSymbol, which is a single-point object
* that resolves to an osg::Node. Instances are usually used for point-model
* substitution.
*/
class OSGEARTHSYMBOLOGY_EXPORT InstanceResource : public Resource
{
public:
/** dtor */
virtual ~InstanceResource() { }
/**
* Creates a new Node representing the instance.
*/
osg::Node* createNode(const osgDB::Options* readOptions) const;
/** Whether this instance type is 2D (orthographic screen space) */
virtual bool is2D() const =0;
public:
/** Source location of the actual data to load. */
optional<URI>& uri() { return _uri; }
const optional<URI>& uri() const { return _uri; }
public: // serialization methods
virtual Config getConfig() const;
void mergeConfig( const Config& conf );
protected:
/** Constructs a new resource. */
InstanceResource( const Config& conf =Config() );
optional<URI> _uri;
virtual osg::Node* createNodeFromURI( const URI& uri, const osgDB::Options* dbOptions ) const =0;
};
} } // namespace osgEarth::Symbology
#endif // OSGEARTHSYMBOLOGY_MARKER_RESOURCE_H
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