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Center of mass of one feature to most distant point of the next

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This commit is contained in:
Erica Fischer
2024-07-08 12:05:31 -07:00
parent cc809157c7
commit 453b37a920
5 changed files with 204 additions and 181 deletions
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tile.cpp
+12 -7
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@@ -1049,16 +1049,21 @@ static serial_feature next_feature(decompressor *geoms, std::atomic<long long> *
if (sf.gap == 0) {
if (sf.index != previndex) {
long long ox = (1LL << (32 - z)) * tx;
long long oy = (1LL << (32 - z)) * ty;
unsigned wx1, wy1;
decode_index(sf.index, &wx1, &wy1);
decode_index(previndex, &wx1, &wy1);
unsigned wx2, wy2;
decode_index(previndex, &wx2, &wy2);
for (auto const &g : sf.geometry) {
long long dx = (long long) wx1 - (g.x + ox);
long long dy = (long long) wy1 - (g.y + oy);
long long dx = (long long) wx1 - wx2;
long long dy = (long long) wy1 - wy2;
sf.gap = dx * dx + dy * dy;
unsigned long long d = dx * dx + dy * dy;
if (d > sf.gap) {
sf.gap = d;
}
}
}
}
previndex = sf.index;