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Indirect lists of mvt_feature through pointers for faster sorting

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Erica Fischer
2025-02-12 11:32:28 -08:00
parent 9d00c92ff2
commit 355cc31d5b
9 changed files with 52 additions and 48 deletions
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mvt.cpp
+6 -6
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@@ -278,7 +278,7 @@ bool mvt_tile::decode(const std::string &message, bool &was_compressed) {
}
}
layer.features.push_back(std::move(feature));
layer.features.push_back(std::make_shared<mvt_feature>(feature));
break;
}
@@ -407,16 +407,16 @@ std::string mvt_tile::encode() {
std::string feature_string;
protozero::pbf_writer feature_writer(feature_string);
feature_writer.add_enum(3, layers[i].features[f].type);
feature_writer.add_enum(3, layers[i].features[f]->type);
std::vector<unsigned> sorted_tags = layers[i].features[f].tags;
std::vector<unsigned> sorted_tags = layers[i].features[f]->tags;
for (size_t v = 1; v < sorted_tags.size(); v += 2) {
sorted_tags[v] = mapping[sorted_tags[v]];
}
feature_writer.add_packed_uint32(2, std::begin(sorted_tags), std::end(sorted_tags));
if (layers[i].features[f].has_id) {
feature_writer.add_uint64(1, layers[i].features[f].id);
if (layers[i].features[f]->has_id) {
feature_writer.add_uint64(1, layers[i].features[f]->id);
}
std::vector<uint32_t> geometry;
@@ -426,7 +426,7 @@ std::string mvt_tile::encode() {
int cmd = -1;
int length = 0;
std::vector<mvt_geometry> &geom = layers[i].features[f].geometry;
std::vector<mvt_geometry> &geom = layers[i].features[f]->geometry;
for (size_t g = 0; g < geom.size(); g++) {
int op = geom[g].op;