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If we truncated but still have the data and need to drop, revive

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This commit is contained in:
Erica Fischer
2025-06-02 11:29:53 -07:00
parent 8193c716c7
commit 12f828e555
2 changed files with 29 additions and 7 deletions
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tile.cpp
+15 -1
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@@ -1648,7 +1648,7 @@ long long write_tile(decompressor *geoms, std::atomic<long long> *geompos_in, ch
int first_detail = detail, second_detail = detail - 1;
bool trying_to_stop_early = false;
bool can_stop_early = true;
if (additional[A_VARIABLE_DEPTH_PYRAMID]) {
if (additional[A_VARIABLE_DEPTH_PYRAMID] && mingap == 0 && minextent == 0 && mindrop_sequence == 0) {
// If we are trying to stop early, there is an extra first pass with full+extra detail,
// and which loops if everything doesn't fit rather than trying to drop or union features.
@@ -3011,7 +3011,21 @@ exit(EXIT_IMPOSSIBLE);
long long len;
struct zxy parent(z - 1, x / 2, y / 2);
bool skip = false;
if (arg->skip_children->count(parent) > 0) {
if (arg->mingap != 0 || arg->minextent != 0 || arg->mindrop_sequence != 0) {
// revive if we are trying to drop features and we still have the data
skip = false;
} else {
// skip if the parent tile finished at the last zoom level and we aren't trying to drop
skip = true;
}
} else {
// do the tile if the parent didn't finish early
skip = false;
}
if (skip) {
skip_tile(&dc, &geompos, arg->compressed);
len = 1;
} else {