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Don't actually need the previous index in serial_feature now

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Erica Fischer
2024-07-08 12:05:23 -07:00
parent b166f10797
commit cc809157c7
3 changed files with 12 additions and 16 deletions
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tile.cpp
+11 -11
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@@ -1047,19 +1047,19 @@ static serial_feature next_feature(decompressor *geoms, std::atomic<long long> *
(*original_features)++;
if (sf.previndex == 0) {
sf.previndex = previndex;
if (sf.gap == 0) {
if (sf.index != previndex) {
unsigned wx1, wy1;
decode_index(sf.index, &wx1, &wy1);
unsigned wx1, wy1;
decode_index(sf.index, &wx1, &wy1);
unsigned wx2, wy2;
decode_index(previndex, &wx2, &wy2);
unsigned wx2, wy2;
decode_index(sf.previndex, &wx2, &wy2);
long long dx = (long long) wx1 - wx2;
long long dy = (long long) wy1 - wy2;
long long dx = (long long) wx1 - wx2;
long long dy = (long long) wy1 - wy2;
sf.gap = dx * dx + dy * dy;
sf.gap = dx * dx + dy * dy;
}
}
previndex = sf.index;
@@ -1735,7 +1735,7 @@ long long write_tile(decompressor *geoms, std::atomic<long long> *geompos_in, ch
}
if (z <= cluster_maxzoom && cluster_distance != 0) {
// This still uses merge_previndex instead of sf.previndex
// This still uses merge_previndex instead of sf.gap
// because the cluster size in -K is expecting to specify
// distances between points that are subject to dot-dropping,
// rather than wanting each feature to have a consistent