/usr/include/osgEarthUtil/UTMLabelingEngine 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 OSGEARTH_UTIL_UTM_LABELING_ENGINE_H
#define OSGEARTH_UTIL_UTM_LABELING_ENGINE_H 1
#include <osgEarthUtil/Common>
#include <osgEarth/GeoData>
#include <osgEarth/MapNode>
#include <osgEarth/Containers>
#include <osgEarthAnnotation/LabelNode>
namespace osgEarth { namespace Util
{
using namespace osgEarth;
using namespace osgEarth::Annotation;
/**
* Node that plots UTM coordinats labels along the edge of the
* viewport when you are looking straight down on a zoomed-in area.
*/
class UTMLabelingEngine : public osg::Group
{
public:
//! Construct a new labeling engine with the map's SRS
UTMLabelingEngine(const SpatialReference* srs);
//! Sets the maximum resolution (meters) at which to render labels
void setMaxResolution(double value);
public: // osg::Node
void traverse(osg::NodeVisitor& nv);
protected:
typedef std::vector< osg::ref_ptr<LabelNode> > LabelNodeVector;
struct CameraData
{
LabelNodeVector xLabels;
LabelNodeVector yLabels;
};
bool cullTraverse(osgUtil::CullVisitor& nv, CameraData& data);
typedef PerObjectFastMap<osg::Camera*, CameraData> CameraDataMap;
CameraDataMap _cameraDataMap;
struct AcceptCameraData : public CameraDataMap::Functor {
AcceptCameraData(osg::NodeVisitor& nv) : _nv(nv) { }
void operator()(CameraData& data);
osg::NodeVisitor& _nv;
};
osg::ref_ptr<const SpatialReference> _srs;
Style _xLabelStyle, _yLabelStyle;
double _maxRes;
};
} } // namespace osgEarth::Util
#endif // OSGEARTH_UTIL_UTM_LABELING_ENGINE_H
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