/usr/include/osgEarthAnnotation/GeoPositionNodeAutoScaler is in libosgearth-dev 2.9.0+dfsg-1.
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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 | /* -*-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.
*
* 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 OSGEARTH_ANNOTATION_GEO_POSITION_NODE_AUTO_SCALER_H
#define OSGEARTH_ANNOTATION_GEO_POSITION_NODE_AUTO_SCALER_H 1
#include <osgEarthAnnotation/Common>
#include <osg/NodeCallback>
#include <osg/Vec3d>
namespace osgEarth { namespace Annotation
{
/**
* A CULL callback you can install on a GeoPositionNode that will
* automatically scale the annotation from scene coordinates to
* screen coordinates.
*
* Important: ONLY install this on a GeoPositionNode, or else you will
* get a crash -- it does NO type checking.
*
* geoPosNode->setCullCallback( new GeoPositionNodeAutoScaler() );
*/
class OSGEARTHANNO_EXPORT GeoPositionNodeAutoScaler : public osg::NodeCallback
{
public:
GeoPositionNodeAutoScaler(const osg::Vec3d& baseScale = osg::Vec3d(1,1,1), double minScale = 0.0, double maxScale = DBL_MAX);
public: // osg::NodeCallback
void operator()(osg::Node* node, osg::NodeVisitor* nv);
protected:
osg::Vec3d _baseScale;
double _minScale;
double _maxScale;
};
} } // namespace
#endif //OSGEARTH_ANNOTATION_GEO_POSITION_NODE_AUTO_SCALER_H
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