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Scale tile feature limit for megatiles in the same way as byte limit

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Erica Fischer
2024-08-01 16:10:14 -07:00
parent 893489acb9
commit 4eb41a1e73
1 changed files with 9 additions and 5 deletions
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tile.cpp
+9 -5
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@@ -2125,6 +2125,10 @@ long long write_tile(decompressor *geoms, std::atomic<long long> *geompos_in, ch
if (lead_features_count > 0) {
scaled_max_tile_size *= (lead_features_count + other_multiplier_cluster_features_count) / lead_features_count;
}
size_t scaled_max_tile_features = max_tile_features;
if (lead_features_count > 0) {
scaled_max_tile_features *= (lead_features_count + other_multiplier_cluster_features_count) / lead_features_count;
}
// Operations on the features within each layer:
//
@@ -2465,13 +2469,13 @@ long long write_tile(decompressor *geoms, std::atomic<long long> *geompos_in, ch
}
if (totalsize > 0 && tile.layers.size() > 0) {
if (totalsize > max_tile_features && !prevent[P_FEATURE_LIMIT]) {
if (totalsize > scaled_max_tile_features && !prevent[P_FEATURE_LIMIT]) {
if (totalsize > arg->feature_count_out) {
arg->feature_count_out = totalsize;
}
if (!quiet) {
fprintf(stderr, "tile %d/%u/%u has %zu features, >%zu \n", z, tx, ty, totalsize, max_tile_features);
fprintf(stderr, "tile %d/%u/%u has %zu features, >%zu \n", z, tx, ty, totalsize, scaled_max_tile_features);
}
if (trying_to_stop_early && line_detail == first_detail) {
@@ -2497,7 +2501,7 @@ long long write_tile(decompressor *geoms, std::atomic<long long> *geompos_in, ch
line_detail++; // to keep it the same when the loop decrements it
continue;
} else if (mingap < ULONG_MAX && (additional[A_DROP_DENSEST_AS_NEEDED] || additional[A_COALESCE_DENSEST_AS_NEEDED] || additional[A_CLUSTER_DENSEST_AS_NEEDED])) {
mingap_fraction = mingap_fraction * max_tile_features / totalsize * 0.80;
mingap_fraction = mingap_fraction * scaled_max_tile_features / totalsize * 0.80;
unsigned long long m = choose_mingap(gaps, mingap_fraction, mingap);
if (m != mingap) {
mingap = m;
@@ -2512,7 +2516,7 @@ long long write_tile(decompressor *geoms, std::atomic<long long> *geompos_in, ch
continue;
}
} else if (additional[A_DROP_SMALLEST_AS_NEEDED] || additional[A_COALESCE_SMALLEST_AS_NEEDED]) {
minextent_fraction = minextent_fraction * max_tile_features / totalsize * 0.75;
minextent_fraction = minextent_fraction * scaled_max_tile_features / totalsize * 0.75;
long long m = choose_minextent(extents, minextent_fraction, minextent);
if (m != minextent) {
minextent = m;
@@ -2530,7 +2534,7 @@ long long write_tile(decompressor *geoms, std::atomic<long long> *geompos_in, ch
// The 95% is a guess to avoid too many retries
// and probably actually varies based on how much duplicated metadata there is
mindrop_sequence_fraction = mindrop_sequence_fraction * max_tile_features / totalsize * 0.95;
mindrop_sequence_fraction = mindrop_sequence_fraction * scaled_max_tile_features / totalsize * 0.95;
unsigned long long m = choose_mindrop_sequence(drop_sequences, mindrop_sequence_fraction, mindrop_sequence);
if (m != mindrop_sequence) {
mindrop_sequence = m;