/usr/include/osgEarthFeatures/TessellateOperator is in libosgearth-dev 2.4.0+dfsg-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | /* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2008-2013 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_TESSELLATE_OPERATOR_H
#define OSGEARTHFEATURES_TESSELLATE_OPERATOR_H 1
#include <osgEarthFeatures/Common>
#include <osgEarthFeatures/Feature>
#include <osgEarthFeatures/FilterContext>
namespace osgEarth { namespace Features
{
/**
* Tessellates linear data in a feature geometry by subdividing each
* line segment a specified # of times.
*/
class OSGEARTHFEATURES_EXPORT TessellateOperator
{
public: // static methods
/**
* Tessellates a straight line into multiple segments.
*/
static void tessellateLinear(
const osg::Vec3d& p0,
const osg::Vec3d& p1,
unsigned parts,
std::vector<osg::Vec3d>& out );
/**
* Tessellates a geographic line (great circle or rhumb) between
* two geographic points (long,lat,alt) into multiple segments along
* a spheroid.
*/
static void tessellateGeo(
const osg::Vec3d& p0,
const osg::Vec3d& p1,
unsigned parts,
GeoInterpolation interp,
std::vector<osg::Vec3d>& out );
public:
/**
* Constructs a new tessellation operator.
* @param numPartitions
* Each geometry segment should be subdivided into this many partitions
* @param referenceSRS
* Feature geometry is assumed to be expressed in this SRS; if NULL, assume
* geometry is geodetic (lat/long degrees).
* @param defaultInterp
* If the feature does not specifiy an interpolation method, use this one
*/
TessellateOperator(
unsigned numPartitions =20,
GeoInterpolation defaultInterp =GEOINTERP_GREAT_CIRCLE );
virtual ~TessellateOperator() { }
void setNumPartitions( unsigned value ) { _numPartitions = value; }
void setDefaultGeoInterp( GeoInterpolation value ) { _defaultInterp = value; }
public:
/**
* Operate on a feature
*/
void operator()( Feature* feature, FilterContext& context ) const;
protected:
unsigned _numPartitions;
GeoInterpolation _defaultInterp;
};
} } // namespace osgEarth::Features
#endif // OSGEARTHFEATURES_TESSELLATE_OPERATOR_H
|