diegoripley/tippecanoe
1
0
Fork 0
mirror of https://github.com/felt/tippecanoe.git synced 2026-10-02 08:25:40 +02:00
Code Issues Packages Projects Releases Wiki Activity

Strip out unwanted attributes earlier in the process

Browse Source
This commit is contained in:
Erica Fischer
2024-11-14 13:25:50 -08:00
parent 6d46578ad8
commit bd413ab15b
1 changed files with 36 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files
clip.cpp
+36 -33
View File
@@ -1306,7 +1306,7 @@ static bool feature_out(std::vector<tile_feature> const &features, mvt_layer &ou
std::vector<std::string> const &exclude_prefix,
std::unordered_map<std::string, attribute_op> const &attribute_accum,
std::string const &accumulate_numeric,
key_pool &key_pool, int buffer) {
key_pool &key_pool, int buffer, bool include_nonaggregate) {
// Add geometry to output feature
drawvec geom = features[0].geom;
@@ -1357,22 +1357,22 @@ static bool feature_out(std::vector<tile_feature> const &features, mvt_layer &ou
std::vector<mvt_value> full_values;
std::map<std::string, size_t> numeric_out_field;
for (size_t i = 0; i + 1 < features[0].tags.size(); i += 2) {
const std::string &key = features[0].layer->keys[features[0].tags[i]];
auto f = attribute_accum.find(key);
if (f != attribute_accum.end()) {
// this attribute has an accumulator, so convert it
full_keys.push_back(key_pool.pool(features[0].layer->keys[features[0].tags[i]]));
full_values.push_back(features[0].layer->values[features[0].tags[i + 1]]);
} else if (accumulate_numeric.size() > 0 && features[0].layer->values[features[0].tags[i + 1]].is_numeric()) {
// convert numeric for accumulation
numeric_out_field.emplace(key, full_keys.size());
full_keys.push_back(key_pool.pool(key));
full_values.push_back(features[0].layer->values[features[0].tags[i + 1]]);
} else {
// otherwise just tag it directly onto the output feature
if (should_keep(features[0].layer->keys[features[0].tags[i]], keep, exclude, exclude_prefix)) {
outlayer.tag(outfeature, features[0].layer->keys[features[0].tags[i]], features[0].layer->values[features[0].tags[i + 1]]);
auto const &f = features[0];
for (size_t i = 0; i + 1 < f.tags.size(); i += 2) {
const std::string &key = f.layer->keys[f.tags[i]];
if (should_keep(key, keep, exclude, exclude_prefix)) {
if (attribute_accum.find(key) != attribute_accum.end()) {
// this attribute has an accumulator, so convert it
full_keys.push_back(key_pool.pool(f.layer->keys[f.tags[i]]));
full_values.push_back(f.layer->values[f.tags[i + 1]]);
} else if (accumulate_numeric.size() > 0 && f.layer->values[f.tags[i + 1]].is_numeric()) {
// convert numeric for accumulation
numeric_out_field.emplace(key, full_keys.size());
full_keys.push_back(key_pool.pool(key));
full_values.push_back(f.layer->values[f.tags[i + 1]]);
} else if (include_nonaggregate) {
// otherwise just tag it directly onto the output feature
outlayer.tag(outfeature, f.layer->keys[f.tags[i]], f.layer->values[f.tags[i + 1]]);
}
}
}
@@ -1386,22 +1386,25 @@ static bool feature_out(std::vector<tile_feature> const &features, mvt_layer &ou
for (size_t j = 0; j + 1 < features[i].tags.size(); j += 2) {
const std::string &key = features[i].layer->keys[features[i].tags[j]];
keys.insert(key);
if (should_keep(key, keep, exclude, exclude_prefix)) {
keys.insert(key);
}
}
for (size_t j = 0; j + 1 < features[i].tags.size(); j += 2) {
const std::string &key = features[i].layer->keys[features[i].tags[j]];
auto f = attribute_accum.find(key);
if (f != attribute_accum.end()) {
mvt_value val = features[i].layer->values[features[i].tags[j + 1]];
preserve_attribute(f->second, key, val, full_keys, full_values, attribute_accum_state, key_pool);
} else if (accumulate_numeric.size() > 0) {
const mvt_value &val = features[i].layer->values[features[i].tags[j + 1]];
if (val.is_numeric()) {
preserve_numeric(key, val, full_keys, full_values,
accumulate_numeric,
keys, numeric_out_field, attribute_accum_state, key_pool);
if (should_keep(key, keep, exclude, exclude_prefix)) {
auto found = attribute_accum.find(key);
if (found != attribute_accum.end()) {
mvt_value val = features[i].layer->values[features[i].tags[j + 1]];
preserve_attribute(found->second, key, val, full_keys, full_values, attribute_accum_state, key_pool);
} else if (accumulate_numeric.size() > 0) {
const mvt_value &val = features[i].layer->values[features[i].tags[j + 1]];
if (val.is_numeric()) {
preserve_numeric(key, val, full_keys, full_values,
accumulate_numeric,
keys, numeric_out_field, attribute_accum_state, key_pool);
}
}
}
}
@@ -1419,7 +1422,7 @@ static bool feature_out(std::vector<tile_feature> const &features, mvt_layer &ou
if (accumulate_numeric.size() > 0) {
add_mean(outfeature, outlayer, accumulate_numeric);
}
} else {
} else if (include_nonaggregate) {
for (size_t i = 0; i + 1 < features[0].tags.size(); i += 2) {
if (should_keep(features[0].layer->keys[features[0].tags[i]], keep, exclude, exclude_prefix)) {
outlayer.tag(outfeature, features[0].layer->keys[features[0].tags[i]], features[0].layer->values[features[0].tags[i + 1]]);
@@ -1725,7 +1728,7 @@ mvt_tile assign_to_bins(mvt_tile &features,
if (outfeatures[i].size() > 1) {
if (feature_out(outfeatures[i], outlayer,
keep, exclude, exclude_prefix, attribute_accum,
accumulate_numeric, key_pool, buffer)) {
accumulate_numeric, key_pool, buffer, true)) {
mvt_feature &nfeature = outlayer.features.back();
mvt_value val;
val.type = mvt_uint;
@@ -1886,7 +1889,7 @@ std::string overzoom(std::vector<source_tile> const &tiles, int nz, int nx, int
if (flush_multiplier_cluster) {
if (pending_tile_features.size() > 0) {
feature_out(pending_tile_features, *outlayer, keep, exclude, exclude_prefix, attribute_accum, accumulate_numeric, key_pool, -1);
feature_out(pending_tile_features, *outlayer, keep, exclude, exclude_prefix, attribute_accum, accumulate_numeric, key_pool, -1, bins.size() == 0);
if (outlayer->features.size() >= feature_limit) {
break;
}
@@ -1946,7 +1949,7 @@ std::string overzoom(std::vector<source_tile> const &tiles, int nz, int nx, int
}
if (pending_tile_features.size() > 0) {
feature_out(pending_tile_features, *outlayer, keep, exclude, exclude_prefix, attribute_accum, accumulate_numeric, key_pool, -1);
feature_out(pending_tile_features, *outlayer, keep, exclude, exclude_prefix, attribute_accum, accumulate_numeric, key_pool, -1, bins.size() == 0);
pending_tile_features.clear();
if (outlayer->features.size() >= feature_limit) {
break;