/usr/include/osgEarthUtil/GraticuleNode is in libosgearth-dev 2.7.0+dfsg-2+b3.
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/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2015 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_GRATICULE_NODE
#define OSGEARTH_GRATICULE_NODE 1
#include "GraticuleOptions"
#include "GraticuleTerrainEffect"
#include "Export"
#include <osgEarthUtil/LatLongFormatter>
#include <osgEarth/MapNode>
#include <osgEarthAnnotation/LabelNode>
namespace osgEarth { namespace Util
{
using namespace osgEarth;
using namespace osgEarth::Annotation;
/**
* Node that manges the graticule resolution and labels
*/
class OSGEARTHUTIL_EXPORT GraticuleNode : public osg::Group
{
public:
GraticuleNode(MapNode* mapNode, const GraticuleOptions& options = GraticuleOptions() );
virtual void traverse(osg::NodeVisitor& nv);
/**
* Gets whether the graticule is visible.
*/
bool getVisible() const;
/**
* Sets whether the graticule is visible or not.
*/
void setVisible(bool visible);
/**
* Gets the center offset for the labels in pixels.
*/
const osg::Vec2f& getCenterOffset() const;
/**
* Sets the center offset for the labels in pixels. Use this to attempt to offset the label placement so it's not at the center of the screen.
*/
void setCenterOffset(const osg::Vec2f& offset);
/**
* Gets the list of resolutions to display in the graticule
*/
std::vector< double >& getResolutions();
protected:
// DTOR
virtual ~GraticuleNode();
private:
osgEarth::GeoExtent getViewExtent(osgUtil::CullVisitor* cullVisitor);
double getResolution() const;
void setResolution(double resolution);
void initLabelPool();
void updateLabels();
std::string getText(const GeoPoint& location, bool lat);
osg::observer_ptr< MapNode > _mapNode;
osg::ref_ptr< GraticuleTerrainEffect > _effect;
osg::ref_ptr< LatLongFormatter > _formatter;
osg::ref_ptr< osg::Uniform > _resolutionUniform;
float _resolution;
double _lon;
double _lat;
osg::Vec2f _centerOffset;
GeoExtent _viewExtent;
osg::Vec3d _focalPoint;
std::vector< osg::ref_ptr< LabelNode > > _labelPool;
const GraticuleOptions _options;
bool _visible;
double _metersPerPixel;
std::vector< double > _resolutions;
};
} } // namespace osgEarth::Util
#endif // OSGEARTH_GRATICULE_NODE
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