/usr/include/osgEarth/PagedNode is in libosgearth-dev 2.9.0+dfsg-1.
This file is owned by root:root, with mode 0o644.
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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.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* 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 OSGEARTHUTIL_PAGEDNODE_H
#define OSGEARTHUTIL_PAGEDNODE_H
#include <osgEarth/Common>
#include <osgEarth/optional>
#include <osg/PagedLOD>
namespace osgEarth
{
/**
* PagedNode is a group with a self-contained paged child.
* It wraps the details of a PagedNode node into a container
* that is easier to manage.
*
* To use, override the class. Call setNode() with the default
* node to display, and implement loadChild() to load the
* paged child node when it comes within range. Set the page-in
* range for the paged child node with setRange() and setRangeMode().
* Finally, call setupPaging() to complete setup.
*/
class OSGEARTH_EXPORT PagedNode : public osg::Group
{
public:
PagedNode();
//! Sets the node to display by default when children
//! are not loaded.
void setNode(osg::Node* node);
//! Override to load paged child node
virtual osg::Node* loadChild() { return 0L; }
//! Bounding sphere of paged data
virtual osg::BoundingSphere getChildBound() const;
//! Returns true by default; override for custom behavior
virtual bool hasChild() const;
//! Call this after setting up your data on the attach point
void setupPaging();
/**
* Gets the range factor
*/
float getRangeFactor() const { return _rangeFactor; }
/**
* Sets the range factor
*/
void setRangeFactor(float rangeFactor) { _rangeFactor = rangeFactor; }
//! Sets the page-in rage mode (distance v. pixel-size; default is distance)
void setRangeMode(const osg::LOD::RangeMode);
//! Sets the range (or pixel size) at which to page in the child data.
void setRange(float range) { _range = range; }
//! Gets whether this node is additive.
bool getAdditive() const { return _additive; }
//! Sets whether the child replaces the default node (non-additive)
//! or renders alongside the default node (additive)
void setAdditive(bool value) { _additive = value; }
protected:
osg::Group* _attachPoint;
osg::PagedLOD* _plod;
bool _additive;
optional<float> _range;
float _rangeFactor;
};
}
#endif // OSGEARTHUTIL_PAGEDNODE_H
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