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Fix bad interaction between dynamic dropping and limiting by truncation (#260)

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* Fix bad interaction between dynamic dropping and limiting by truncation

* Don't enforce the tile size limit here if they said not to
This commit is contained in:
Erica Fischer
2024-09-05 13:39:53 -07:00
committed by GitHub
parent 5b18eea673
commit 51fcf142df
4 changed files with 348 additions and 3 deletions
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CHANGELOG.md
+4
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@@ -1,3 +1,7 @@
# 2.62.0
* Fix another bad interaction, this time between dropping-as-needed and --limit-tile-feature-count
# 2.61.0
* Added --calculate-feature-index option
tests/ne_110m_populated_places/out/-z3_-r1_--limit-tile-feature-count_3_--maximum-tile-features_10_--drop-densest-as-needed.json
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tile.cpp
+6 -2
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@@ -2106,7 +2106,7 @@ long long write_tile(decompressor *geoms, std::atomic<long long> *geompos_in, ch
adjusted_feature_count = adjusted_feature_count * (skipped + kept) / kept;
}
if (too_many_bytes || adjusted_feature_count > adjusted_max_tile_size) {
if (too_many_bytes || (adjusted_feature_count > adjusted_max_tile_size && !prevent[P_KILOBYTE_LIMIT])) {
// Even being maximally conservative, each feature is still going to be
// at least one byte in the output tile, so this can't possibly work.
skipped++;
@@ -2490,13 +2490,17 @@ long long write_tile(decompressor *geoms, std::atomic<long long> *geompos_in, ch
if (z == maxzoom && limit_tile_feature_count_at_maxzoom != 0) {
if (layer_features.size() > limit_tile_feature_count_at_maxzoom) {
can_stop_early = false;
// this is maxzoom; ok to stop early still because they said to limit abruptly
layer_features.resize(limit_tile_feature_count_at_maxzoom);
too_many_features = false; // don't try to drop; we have already truncated
skipped = 0; // doesn't matter that we skipped features; we have truncated
}
} else if (limit_tile_feature_count != 0) {
if (layer_features.size() > limit_tile_feature_count) {
can_stop_early = false;
layer_features.resize(limit_tile_feature_count);
too_many_features = false; // don't try to drop; we have already truncated
skipped = 0; // doesn't matter that we skipped features; we have truncated
}
}
}
version.hpp
+1 -1
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@@ -1,6 +1,6 @@
#ifndef VERSION_HPP
#define VERSION_HPP
#define VERSION "v2.61.0"
#define VERSION "v2.62.0"
#endif