/**
* This is called when a way is not in any multipolygon
* relation.
*
* Overwritten from the base class.
*/
void way_not_in_any_relation(const osmium::Way& way) {
if (way.nodes().size() > 3 && way.ends_have_same_location()) {
// way is closed and has enough nodes, build simple multipolygon
try {
TAssembler assembler(m_assembler_config);
assembler(way, m_output_buffer);
possibly_flush_output_buffer();
} catch (osmium::invalid_location&) {
// XXX ignore
}
}
}
/**
* This is called when a way is not in any multipolygon
* relation.
*
* Overwritten from the base class.
*/
void way_not_in_any_relation(const osmium::Way& way) {
// you need at least 4 nodes to make up a polygon
if (way.nodes().size() <= 3) {
return;
}
try {
if (!way.nodes().front().location() || !way.nodes().back().location()) {
throw osmium::invalid_location("invalid location");
}
if (way.ends_have_same_location()) {
// way is closed and has enough nodes, build simple multipolygon
TAssembler assembler(m_assembler_config);
assembler(way, m_output_buffer);
possibly_flush_output_buffer();
}
} catch (osmium::invalid_location&) {
// XXX ignore
}
}
void complete_relation(osmium::relations::RelationMeta& relation_meta) {
const osmium::Relation& relation = this->get_relation(relation_meta);
std::vector<size_t> offsets;
for (const auto& member : relation.members()) {
if (member.ref() != 0) {
offsets.push_back(this->get_offset(member.type(), member.ref()));
}
}
try {
TAssembler assembler(m_assembler_config);
assembler(relation, offsets, this->members_buffer(), m_output_buffer);
possibly_flush_output_buffer();
} catch (osmium::invalid_location&) {
// XXX ignore
}
// clear member metas
for (const auto& member : relation.members()) {
if (member.ref() != 0) {
auto& mmv = this->member_meta(member.type());
auto range = std::equal_range(mmv.begin(), mmv.end(), osmium::relations::MemberMeta(member.ref()));
assert(range.first != range.second);
// if this is the last time this object was needed
// then mark it as removed
if (osmium::relations::count_not_removed(range.first, range.second) == 1) {
this->get_member(range.first->buffer_offset()).set_removed(true);
}
for (auto it = range.first; it != range.second; ++it) {
if (!it->removed() && relation.id() == this->get_relation(it->relation_pos()).id()) {
it->remove();
break;
}
}
}
}
}
