本文整理汇总了C++中osmium::geom::OGRFactory::create_multipolygon方法的典型用法代码示例。如果您正苦于以下问题：C++ OGRFactory::create_multipolygon方法的具体用法？C++ OGRFactory::create_multipolygon怎么用？C++ OGRFactory::create_multipolygon使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类osmium::geom::OGRFactory的用法示例。
在下文中一共展示了OGRFactory::create_multipolygon方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: area
void area(const osmium::Area& area) {
const char* building = area.tags()["building"];
if (building) {
try {
std::unique_ptr<OGRMultiPolygon> ogr_polygon = m_factory.create_multipolygon(area);
OGRFeature* feature = OGRFeature::CreateFeature(m_layer_polygon->GetLayerDefn());
feature->SetGeometry(ogr_polygon.get());
feature->SetField("id", static_cast<int>(area.id()));
feature->SetField("type", building);
std::string type = "";
if (area.from_way()) {
type += "w";
} else {
type += "r";
}
feature->SetField("type", type.c_str());
if (m_layer_polygon->CreateFeature(feature) != OGRERR_NONE) {
std::cerr << "Failed to create feature.\n";
exit(1);
}
OGRFeature::DestroyFeature(feature);
} catch (osmium::geometry_error&) {
std::cerr << "Ignoring illegal geometry for area " << area.id() << " created from " << (area.from_way() ? "way" : "relation") << " with id=" << area.orig_id() << ".\n";
}
}
}示例2: area
void area(const osmium::Area& area) {
if (m_first_out) {
m_out << "[\n";
m_first_out = false;
} else {
m_out << ",\n";
}
m_out << "{\n \"test_id\": " << (area.orig_id() / 1000) << ",\n \"area_id\": " << area.id() << ",\n \"from_id\": " << area.orig_id() << ",\n \"from_type\": \"" << (area.from_way() ? "way" : "relation") << "\",\n \"wkt\": \"";
try {
std::string wkt = m_wkt_factory.create_multipolygon(area);
m_out << wkt << "\",\n \"tags\": {";
auto tagmap = create_map(area.tags());
bool first = true;
for (auto& tag : tagmap) {
if (first) {
first = false;
} else {
m_out << ", ";
}
m_out << '"' << tag.first << "\": \"" << tag.second << '"';
}
m_out << "}\n}";
} catch (osmium::geometry_error&) {
m_out << "INVALID\"\n}";
}
try {
std::unique_ptr<OGRMultiPolygon> ogr_polygon = m_ogr_factory.create_multipolygon(area);
OGRFeature* feature = OGRFeature::CreateFeature(m_layer_polygon->GetLayerDefn());
feature->SetGeometry(ogr_polygon.get());
feature->SetField("id", static_cast<int>(area.orig_id()));
std::string from_type;
if (area.from_way()) {
from_type = "w";
} else {
from_type = "r";
}
feature->SetField("from_type", from_type.c_str());
if (m_layer_polygon->CreateFeature(feature) != OGRERR_NONE) {
std::cerr << "Failed to create feature.\n";
exit(1);
}
OGRFeature::DestroyFeature(feature);
} catch (osmium::geometry_error&) {
std::cerr << "Ignoring illegal geometry for area " << area.id() << " created from " << (area.from_way() ? "way" : "relation") << " with id=" << area.orig_id() << ".\n";
}
}