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Do less work when assigning bins by ID

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Erica Fischer
2025-02-12 10:31:27 -08:00
parent 423fea1544
commit 9d00c92ff2
1 changed files with 130 additions and 105 deletions
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clip.cpp
+70 -45
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@@ -1810,13 +1810,78 @@ mvt_tile assign_to_bins(mvt_tile &features,
std::set<std::string> exclude,
std::vector<std::string> exclude_prefix,
int buffer, std::vector<clipbbox> const &clipbboxes) {
std::vector<index_event> events;
key_pool key_pool;
if (bins.size() == 0) {
return mvt_tile();
}
mvt_layer outlayer;
outlayer.extent = bins[0].extent;
outlayer.version = 2;
outlayer.name = features.layers[0].name;
std::vector<std::vector<tile_feature>> outfeatures;
if (bin_by_id_list.size() > 0) {
std::map<unsigned long long, std::pair<size_t, size_t>> fid_to_feature;
for (size_t i = 0; i < features.layers.size(); i++) {
for (size_t j = 0; j < features.layers[i].features.size(); j++) {
if (features.layers[i].features[j].geometry.size() > 0) {
if (features.layers[i].features[j].has_id) {
fid_to_feature.emplace(features.layers[i].features[j].id, std::make_pair(i, j));
}
}
}
}
for (auto &binlayer : bins) {
size_t seq = 0;
for (auto &bin : binlayer.features) {
{
tile_feature outfeature;
for (auto const &g : bin.geometry) {
outfeature.geom.emplace_back(g.op, g.x, g.y);
}
outfeature.t = bin.type;
outfeature.has_id = bin.has_id;
outfeature.id = bin.id;
outfeature.tags = bin.tags;
outfeature.layer = &binlayer;
outfeature.seq = seq++;
outfeatures.push_back({std::move(outfeature)});
}
for (size_t k = 0; k < bin.tags.size(); k += 2) {
if (binlayer.keys[bin.tags[k]] == bin_by_id_list) {
std::vector<size_t> ids = parse_ids_string(binlayer.values[bin.tags[k + 1]]);
for (auto &id : ids) {
auto f = fid_to_feature.find(id);
if (f != fid_to_feature.end()) {
mvt_feature &feature = features.layers[f->second.first].features[f->second.second];
if (feature.geometry.size() > 0) {
tile_feature outfeature;
for (auto const &g : feature.geometry) {
outfeature.geom.emplace_back(g.op, g.x, g.y);
}
feature.geometry.clear();
outfeature.t = feature.type;
outfeature.has_id = feature.has_id;
outfeature.id = feature.id;
outfeature.tags = feature.tags;
outfeature.layer = &features.layers[f->second.first];
outfeature.seq = f->second.second;
outfeatures.back().push_back(std::move(outfeature));
}
}
}
break;
}
}
}
}
} else {
std::vector<index_event> events;
// Index bins
for (size_t i = 0; i < bins.size(); i++) {
for (size_t j = 0; j < bins[i].features.size(); j++) {
@@ -1830,8 +1895,6 @@ mvt_tile assign_to_bins(mvt_tile &features,
}
}
std::map<unsigned long long, std::pair<size_t, size_t>> fid_to_feature;
// Index points
for (size_t i = 0; i < features.layers.size(); i++) {
for (size_t j = 0; j < features.layers[i].features.size(); j++) {
@@ -1839,10 +1902,6 @@ mvt_tile assign_to_bins(mvt_tile &features,
unsigned long long start, end;
if (features.layers[i].features[j].geometry.size() > 0) {
if (features.layers[i].features[j].has_id) {
fid_to_feature.emplace(features.layers[i].features[j].id, std::make_pair(i, j));
}
get_bbox(features.layers[i].features[j].geometry, &xmin, &ymin, &xmax, &ymax, z, x, y, features.layers[i].detail());
get_quadkey_bounds(xmin, ymin, xmax, ymax, &start, &end);
events.emplace_back(start, index_event::CHECK, i, j, xmin, ymin, xmax, ymax);
@@ -1853,13 +1912,6 @@ mvt_tile assign_to_bins(mvt_tile &features,
std::sort(events.begin(), events.end());
std::set<active_bin> active;
mvt_layer outlayer;
outlayer.extent = bins[0].extent;
outlayer.version = 2;
outlayer.name = features.layers[0].name;
std::vector<std::vector<tile_feature>> outfeatures;
for (auto &e : events) {
if (e.kind == index_event::ENTER) {
active_bin a(e.layer, e.feature);
@@ -1886,35 +1938,6 @@ mvt_tile assign_to_bins(mvt_tile &features,
outfeatures.push_back({std::move(outfeature)});
}
if (bin_by_id_list.size() > 0) {
for (size_t k = 0; k < bin.tags.size(); k += 2) {
if (bins[e.layer].keys[bin.tags[k]] == bin_by_id_list) {
std::vector<size_t> ids = parse_ids_string(bins[e.layer].values[bin.tags[k + 1]]);
for (auto &id : ids) {
auto f = fid_to_feature.find(id);
if (f != fid_to_feature.end()) {
mvt_feature &feature = features.layers[f->second.first].features[f->second.second];
if (feature.geometry.size() > 0) {
tile_feature outfeature;
for (auto const &g : feature.geometry) {
outfeature.geom.emplace_back(g.op, g.x, g.y);
}
feature.geometry.clear();
outfeature.t = feature.type;
outfeature.has_id = feature.has_id;
outfeature.id = feature.id;
outfeature.tags = feature.tags;
outfeature.layer = &features.layers[e.layer];
outfeature.seq = e.feature;
outfeatures.back().push_back(std::move(outfeature));
}
}
}
break;
}
}
}
active.insert(std::move(a));
} else if (e.kind == index_event::CHECK) {
if (bin_by_id_list.size() > 0) {
@@ -1967,7 +1990,9 @@ mvt_tile assign_to_bins(mvt_tile &features,
}
}
}
}
key_pool key_pool;
for (size_t i = 0; i < outfeatures.size(); i++) {
if (outfeatures[i].size() > 1) {
if (feature_out(outfeatures[i], outlayer,