/usr/include/osmium/geometry/polygon.hpp is in libosmium-dev 0.0~20111213-g7f3500a-1build2.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 | #ifndef OSMIUM_GEOMETRY_POLYGON_HPP
#define OSMIUM_GEOMETRY_POLYGON_HPP
/*
Copyright 2011 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/>.
*/
#include <algorithm>
#include <osmium/geometry/from_way.hpp>
#include <osmium/exceptions.hpp>
namespace Osmium {
namespace Geometry {
/**
* Polygon geometry.
*/
class Polygon : public FromWay {
public:
/**
* Create Polygon geometry from a list of nodes.
*/
Polygon(const Osmium::OSM::WayNodeList& way_node_list,
osm_object_id_t id=0)
: FromWay(way_node_list, false, id) {
if (!way_node_list.is_closed()) {
throw Osmium::Exception::IllegalGeometry();
}
}
/**
* Create Polygon geometry from a list of nodes in a way.
*/
Polygon(const Osmium::OSM::Way& way)
: FromWay(way.nodes(), false, way.id()) {
if (!way.nodes().is_closed()) {
throw Osmium::Exception::IllegalGeometry();
}
}
std::ostream& write_to_stream(std::ostream& out, AsWKT, bool with_srid=false) const {
if (with_srid) {
out << "SRID=4326;";
}
LonLatListWriter<Osmium::OSM::WayNode> writer(out);
out << "POLYGON((" << std::setprecision(10);
for_each(m_way_node_list->begin(), m_way_node_list->end(), writer);
return out << "))";
}
std::ostream& write_to_stream(std::ostream& out, AsWKB, bool with_srid=false) const {
write_binary_wkb_header(out, with_srid, wkbPolygon);
write_binary<uint32_t>(out, 1); // ring count
write_binary<uint32_t>(out, m_way_node_list->size()); // ring #1 point count
for (Osmium::OSM::WayNodeList::const_iterator it = m_way_node_list->begin(); it != m_way_node_list->end(); ++it) {
write_binary<double>(out, it->lon());
write_binary<double>(out, it->lat());
}
return out;
}
std::ostream& write_to_stream(std::ostream& out, AsHexWKB, bool with_srid=false) const {
write_hex_wkb_header(out, with_srid, wkbPolygon);
write_hex<uint32_t>(out, 1); // ring count
write_hex<uint32_t>(out, m_way_node_list->size()); // ring #1 point count
for (Osmium::OSM::WayNodeList::const_iterator it = m_way_node_list->begin(); it != m_way_node_list->end(); ++it) {
write_hex<double>(out, it->lon());
write_hex<double>(out, it->lat());
}
return out;
}
#ifdef OSMIUM_WITH_GEOS
/**
* Creates GEOS geometry of this Polygon.
*
* Caller takes ownership.
*/
geos::geom::Geometry* create_geos_geometry() const {
try {
std::vector<geos::geom::Coordinate>* c = new std::vector<geos::geom::Coordinate>;
for (Osmium::OSM::WayNodeList::const_iterator it = m_way_node_list->begin(); it != m_way_node_list->end(); ++it) {
c->push_back(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 static_cast<geos::geom::Geometry*>(Osmium::Geometry::geos_geometry_factory()->createPolygon(lr, NULL));
} catch (const geos::util::GEOSException& exc) {
std::cerr << "error building polygon geometry, leave it as NULL\n";
return NULL;
}
}
#endif // OSMIUM_WITH_GEOS
#ifdef OSMIUM_WITH_SHPLIB
/**
* Create Shapelib geometry of this Polygon.
*
* Caller takes ownership. You have to call
* SHPDestroyObject() with this geometry when you are done.
*/
SHPObject* create_shp_object() const {
return create_line_or_polygon(SHPT_POLYGON);
}
#endif // OSMIUM_WITH_SHPLIB
#ifdef OSMIUM_WITH_OGR
/**
* Create OGR geometry of this Polygon.
*
* Caller takes ownership.
*/
OGRPolygon* create_ogr_geometry() const {
OGRPolygon* p = new OGRPolygon();
OGRLinearRing* r = new OGRLinearRing();
for (Osmium::OSM::WayNodeList::const_reverse_iterator it = m_way_node_list->rbegin(); it != m_way_node_list->rend(); ++it) {
r->addPoint(it->lon(), it->lat());
}
p->addRingDirectly(r);
return p;
}
#endif // OSMIUM_WITH_OGR
#ifdef OSMIUM_WITH_JAVASCRIPT
v8::Local<v8::Object> js_instance() const {
return JavascriptTemplate::get<JavascriptTemplate>().create_instance((void *)this);
}
v8::Handle<v8::Value> js_to_array(const v8::Arguments& /*args*/) {
v8::HandleScope scope;
v8::Local<v8::Array> polygon = v8::Array::New(1);
v8::Local<v8::Array> linear_ring = v8::Array::New(m_way_node_list->size());
polygon->Set(0, linear_ring);
unsigned int max = m_way_node_list->size() - 1;
if (m_reverse) {
for (unsigned int i=0; i <= max; ++i) {
linear_ring->Set(max - i, (*m_way_node_list)[i].position().js_to_array());
}
} else {
for (unsigned int i=0; i <= max; ++i) {
linear_ring->Set(i, (*m_way_node_list)[i].position().js_to_array());
}
}
return scope.Close(polygon);
}
struct JavascriptTemplate : public Osmium::Geometry::Geometry::JavascriptTemplate {
JavascriptTemplate() : Osmium::Geometry::Geometry::JavascriptTemplate() {
js_template->Set("toArray", v8::FunctionTemplate::New(function_template<Polygon, &Polygon::js_to_array>));
}
};
#endif // OSMIUM_WITH_JAVASCRIPT
}; // class Polygon
} // namespace Geometry
} // namespace Osmium
#ifdef OSMIUM_WITH_JAVASCRIPT
v8::Handle<v8::Value> Osmium::OSM::Way::js_polygon_geom() const {
if (m_node_list.has_position() && m_node_list.is_closed()) {
Osmium::Geometry::Polygon* geom = new Osmium::Geometry::Polygon(*this);
return Osmium::Javascript::Template::get<Osmium::Geometry::Polygon::JavascriptTemplate>().create_persistent_instance<Osmium::Geometry::Polygon>(geom);
} else {
Osmium::Geometry::Null* geom = new Osmium::Geometry::Null();
return Osmium::Javascript::Template::get<Osmium::Geometry::Null::JavascriptTemplate>().create_persistent_instance<Osmium::Geometry::Null>(geom);
}
}
#endif // OSMIUM_WITH_JAVASCRIPT
#endif // OSMIUM_GEOMETRY_POLYGON_HPP
|