/usr/include/osgEarthFeatures/PolygonizeLines is in libosgearth-dev 2.7.0+dfsg-2+b3.
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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 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | /* -*-c++-*- */
/* 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 OSGEARTHFEATURES_POLYGONIZE_LINES_H
#define OSGEARTHFEATURES_POLYGONIZE_LINES_H 1
#include <osgEarthFeatures/Common>
#include <osgEarthFeatures/Filter>
#include <osgEarthSymbology/Stroke>
#include <osg/Array>
#include <osg/Geometry>
namespace osgEarth { namespace Features
{
using namespace osgEarth::Symbology;
/**
* Triangulates a line string into a buffered geometry.
*
* The resulting geometry will retain the original line string
* vertices as a "spine", and will include triangles on either
* side of the spine that form the buffered polygons. Depending
* on the Stroke, the geometry may also have triangulated end caps.
*/
class OSGEARTHFEATURES_EXPORT PolygonizeLinesOperator
{
public:
/**
* Construct the operator
* @param[in ] stroke Line rendering properties
*/
PolygonizeLinesOperator(const Stroke& stoke);
/**
* Run the polygonizer.
*
* @param[in ] verts Line string geometry to polygonize. The polygonizer
* will add this array to the resulting geometry.
* @param[in ] normals Localized normals associated with the input verts.
* Used to determine the plane in which to polygonize each
* line segment. Optional; can be NULL
* @param[in ] twosided Generate polygons on both sides of the center line.
*
* @return Triangulated geometry, including primitive set
*/
osg::Geometry* operator()(osg::Vec3Array* verts, osg::Vec3Array* normals, bool twosided =true) const;
/**
* Installs an auto-scaling shader on a stateset.
*/
void installShaders(osg::Node* node) const;
protected:
Stroke _stroke;
bool _makeScalable;
friend class PolygonizeLinesFilter;
};
/**
* Feature Filter that generates polygonized line geometry.
*/
class OSGEARTHFEATURES_EXPORT PolygonizeLinesFilter : public FeaturesToNodeFilter
{
public:
/** Constructs the filter with Style information */
PolygonizeLinesFilter(const Style& style);
public: // FeaturesToNodeFilter
/** Pushes a list of features through the filter. */
osg::Node* push( FeatureList& input, FilterContext& context );
protected:
Style _style;
bool _makeScalable;
};
} } // namespace osgEarth::Features
#endif // OSGEARTHFEATURES_POLYGONIZE_LINES_H
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