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Ah, I was not actually storing the representative point

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Erica Fischer
2025-02-10 13:07:09 -08:00
parent ebcc8bf799
commit 0ce1271b06
2 changed files with 9 additions and 2 deletions
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tile.cpp
+5 -2
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@@ -1059,6 +1059,7 @@ static bool skip_next_feature(decompressor *geoms, std::atomic<long long> *geomp
struct next_feature_state {
unsigned long long previndex = 0;
unsigned prevx = 0, prevy = 0;
unsigned long long prev_not_dropped_index = 0;
};
@@ -1128,8 +1129,8 @@ static serial_feature next_feature(decompressor *geoms, std::atomic<long long> *
long long ox = (1LL << (32 - z)) * tx;
long long oy = (1LL << (32 - z)) * ty;
unsigned wx1, wy1;
decode_index(next_feature_state.previndex, &wx1, &wy1);
unsigned wx1 = next_feature_state.prevx;
unsigned wy1 = next_feature_state.prevy;
// find the furthest distance of a vertex in this feature
// from the representative point of the previous feature
@@ -1145,6 +1146,8 @@ static serial_feature next_feature(decompressor *geoms, std::atomic<long long> *
}
}
next_feature_state.previndex = sf.index;
next_feature_state.prevx = sf.wx;
next_feature_state.prevy = sf.wy;
if (clip_to_tile(sf, z, buffer)) {
continue;