/usr/include/osmium/geometry/geos.hpp is in libosmium-dev 0.0~20140910-9a069af-1+b1.
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 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 | #ifndef OSMIUM_GEOMETRY_GEOS_HPP
#define OSMIUM_GEOMETRY_GEOS_HPP
/*
Copyright 2012 Jochen Topf <jochen@topf.org> and others (see README).
This file is part of Osmium (https://github.com/joto/osmium).
Osmium is free software: you can redistribute it and/or modify it under the
terms of the GNU Lesser General Public License or (at your option) the GNU
General Public License as published by the Free Software Foundation, either
version 3 of the Licenses, or (at your option) any later version.
Osmium 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 and the GNU
General Public License for more details.
You should have received a copy of the Licenses along with Osmium. If not, see
<http://www.gnu.org/licenses/>.
*/
#define OSMIUM_COMPILE_WITH_CFLAGS_GEOS `geos-config --cflags`
#define OSMIUM_LINK_WITH_LIBS_GEOS `geos-config --libs`
#include <geos/geom/GeometryFactory.h>
#include <geos/geom/PrecisionModel.h>
#include <geos/geom/Coordinate.h>
#include <geos/geom/CoordinateSequence.h>
#include <geos/geom/CoordinateSequenceFactory.h>
#include <geos/geom/Point.h>
#include <geos/geom/LinearRing.h>
#include <geos/geom/Polygon.h>
#include <geos/geom/MultiPolygon.h>
#include <osmium/osm/position.hpp>
#include <osmium/geometry/point.hpp>
#include <osmium/geometry/linestring.hpp>
#include <osmium/geometry/polygon.hpp>
namespace Osmium {
namespace Geometry {
/**
* Return pointer to a static GEOS GeometryFactory object created the
* first time this function is run. This is used by all functions in
* Osmium that need to create GEOS geometries.
*/
inline geos::geom::GeometryFactory* geos_geometry_factory() {
static geos::geom::PrecisionModel pm;
static geos::geom::GeometryFactory factory(&pm, -1);
return &factory;
}
/**
* Creates GEOS coordinate from a Position
*/
inline geos::geom::Coordinate create_geos_coordinate(const Osmium::OSM::Position position) {
return geos::geom::Coordinate(position.lon(), position.lat());
}
/**
* Creates GEOS geometry of a Point.
*
* Caller takes ownership.
*/
inline geos::geom::Point* create_geos_geometry(const Osmium::Geometry::Point& point) {
return Osmium::Geometry::geos_geometry_factory()->createPoint(Osmium::Geometry::create_geos_coordinate(point.position()));
}
/**
* Create GEOS geometry of a LineString.
*
* Caller takes ownership.
*/
inline geos::geom::LineString* create_geos_geometry(const Osmium::Geometry::LineString& linestring) {
std::vector<geos::geom::Coordinate>* c = new std::vector<geos::geom::Coordinate>;
if (linestring.reverse()) {
for (Osmium::OSM::WayNodeList::const_reverse_iterator it = linestring.nodes().rbegin(); it != linestring.nodes().rend(); ++it) {
c->push_back(Osmium::Geometry::create_geos_coordinate(it->position()));
}
} else {
for (Osmium::OSM::WayNodeList::const_iterator it = linestring.nodes().begin(); it != linestring.nodes().end(); ++it) {
c->push_back(Osmium::Geometry::create_geos_coordinate(it->position()));
}
}
geos::geom::CoordinateSequence* cs = Osmium::Geometry::geos_geometry_factory()->getCoordinateSequenceFactory()->create(c);
return Osmium::Geometry::geos_geometry_factory()->createLineString(cs);
}
/**
* Creates GEOS geometry of a Polygon.
*
* Caller takes ownership.
*/
inline geos::geom::Polygon* create_geos_geometry(const Osmium::Geometry::Polygon& polygon) {
std::vector<geos::geom::Coordinate>* c = new std::vector<geos::geom::Coordinate>;
if (polygon.reverse()) {
for (Osmium::OSM::WayNodeList::const_reverse_iterator it = polygon.nodes().rbegin(); it != polygon.nodes().rend(); ++it) {
c->push_back(Osmium::Geometry::create_geos_coordinate(it->position()));
}
} else {
for (Osmium::OSM::WayNodeList::const_iterator it = polygon.nodes().begin(); it != polygon.nodes().end(); ++it) {
c->push_back(Osmium::Geometry::create_geos_coordinate(it->position()));
}
}
geos::geom::CoordinateSequence* cs = Osmium::Geometry::geos_geometry_factory()->getCoordinateSequenceFactory()->create(c);
geos::geom::LinearRing* lr = Osmium::Geometry::geos_geometry_factory()->createLinearRing(cs);
return Osmium::Geometry::geos_geometry_factory()->createPolygon(lr, NULL);
}
} // namespace Geometry
} // namespace Osmium
#endif // OSMIUM_GEOMETRY_GEOS_HPP
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