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Add Hilbert Curve feature sequencing as an option

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Eric Fischer
2018-12-12 10:51:00 -08:00
parent 5f1c0e151f
commit 6376c283ba
10 changed files with 9842 additions and 20 deletions
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serial.cpp
+2 -3
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@@ -460,7 +460,7 @@ int serialize_feature(struct serialization_state *sst, serial_feature &sf) {
std::vector<unsigned long long> locs;
for (size_t i = 0; i < sf.geometry.size(); i++) {
if (sf.geometry[i].op == VT_MOVETO || sf.geometry[i].op == VT_LINETO) {
locs.push_back(encode(sf.geometry[i].x << geometry_scale, sf.geometry[i].y << geometry_scale));
locs.push_back(encode_index(sf.geometry[i].x << geometry_scale, sf.geometry[i].y << geometry_scale));
}
}
std::sort(locs.begin(), locs.end());
@@ -552,7 +552,7 @@ int serialize_feature(struct serialization_state *sst, serial_feature &sf) {
// and then mask to bring it back into the addressable area
long long midx = (sf.bbox[0] / 2 + sf.bbox[2] / 2) & ((1LL << 32) - 1);
long long midy = (sf.bbox[1] / 2 + sf.bbox[3] / 2) & ((1LL << 32) - 1);
bbox_index = encode(midx, midy);
bbox_index = encode_index(midx, midy);
if (additional[A_DROP_DENSEST_AS_NEEDED] || additional[A_COALESCE_DENSEST_AS_NEEDED] || additional[A_CLUSTER_DENSEST_AS_NEEDED] || additional[A_CALCULATE_FEATURE_DENSITY] || additional[A_INCREASE_GAMMA_AS_NEEDED] || sst->uses_gamma || cluster_distance != 0) {
sf.index = bbox_index;
@@ -633,7 +633,6 @@ int serialize_feature(struct serialization_state *sst, serial_feature &sf) {
}
}
}
}
if (!sst->filters) {