/usr/include/osgEarthSymbology/GeometryFactory 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.
*
* 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_GEOMETRY_FACTORY
#define OSGEARTHSYMBOLOGY_GEOMETRY_FACTORY
#include <osgEarthSymbology/Common>
#include <osgEarthSymbology/Geometry>
#include <osgEarth/SpatialReference>
/**
* A collection of utilities for creating geometric features
*/
namespace osgEarth { namespace Symbology
{
using namespace osgEarth;
/**
* Convenience class for building simple tessellated Geometry shapes.
*/
class OSGEARTHSYMBOLOGY_EXPORT GeometryFactory
{
public:
/**
* Constructs the factory.
* @param srs The spatial reference in which to create the geometry, or NULL to
* create simple localized geometry.
*/
GeometryFactory( const SpatialReference* srs =0L );
/** dtor */
virtual ~GeometryFactory() { }
/**
* Creates a circle geometry.
* @param center Center point (must be in map SRS if a map was provided in ctor)
* @param radius Circle radius
* @param numSegments Number of circumference segments, or zero to automatically calculate it
* @param geomToUse Use this geometry instead of creating a Polygon.
*/
Geometry* createCircle(
const osg::Vec3d& center,
const Distance& radius,
unsigned numSegments =0,
Geometry* geomToUse =0L) const;
/**
* Creates an arc geometry.
* @param center Center point (must be in map SRS if a map was provided in ctor)
* @param radius Arc radius
* @param start Starting angle of the arc
* @param end Ending angle of the arc
* @param numSegments Number of circumference segments, or zero to automatically calculate it
* @param pie Indicates to create a pie shape rather than an arc.
*/
Geometry* createArc(
const osg::Vec3d& center,
const Distance& radius,
const Angle& startAngle,
const Angle& endAngle,
unsigned numSegments =0,
Geometry* geomToUse =0L,
bool pie = false) const;
/**
* Creates a ellipse geometry.
* @param center Center point (must be in map SRS if a map was provided in ctor)
* @param radiusMajor Major radius (X-axis) length
* @param radiusMinor Minor radius (Y-axis) length
* @param rotationAngle with respect to the X-axis
* @param numSegments Number of circumference segments, or zero to automatically calculate it
* @param geomToUse Use this geometry instead of creating a Polygon.
*/
Geometry* createEllipse(
const osg::Vec3d& center,
const Distance& radiusMajor,
const Distance& radiusMinor,
const Angle& rotationAngle,
unsigned numSegments =0,
Geometry* geomToUse =0L) const;
/**
* Creates a ellipse geometry.
* @param center Center point (must be in map SRS if a map was provided in ctor)
* @param radiusMajor Major radius (X-axis) length
* @param radiusMinor Minor radius (Y-axis) length
* @param rotationAngle with respect to the X-axis
* @param start Starting angle of the arc
* @param end Ending angle of the arc
* @param numSegments Number of circumference segments, or zero to automatically calculate it
* @param geomToUse Use this geometry instead of creating a Polygon.
* @param pie Indicates to create a pie shape rather than an arc.
*/
Geometry* createEllipticalArc(
const osg::Vec3d& center,
const Distance& radiusMajor,
const Distance& radiusMinor,
const Angle& rotationAngle,
const Angle& startAngle,
const Angle& endAngle,
unsigned numSegments =0,
Geometry* geomToUse =0L,
bool pie = false) const;
/**
* Creates a rectangle geometry
* @param center Center point (must be in map SRS if the map was provided in ctor)
* @param width The width of the rectangle
* @param height The height of the rectangle
*/
Geometry* createRectangle(
const osg::Vec3d& center,
const Distance& width,
const Distance& height ) const;
protected:
osg::ref_ptr<const SpatialReference> _srs;
};
} } // namespace osgEarth::Symbology
#endif // OSGEARTHSYMBOLOGY_GEOMETRY_FACTORY
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