diegoripley/tippecanoe
1
0
Fork 0
mirror of https://github.com/felt/tippecanoe.git synced 2026-10-02 16:35:40 +02:00
Code Issues Packages Projects Releases Wiki Activity

Somewhat less shardy

Browse Source
This commit is contained in:
Erica Fischer
2023-01-04 14:51:20 -08:00
parent 3b2599f587
commit 829c765d5d
3 changed files with 20 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
geometry.cpp
+7 -1
View File
@@ -926,7 +926,7 @@ drawvec impose_tile_boundaries(drawvec &geom, long long extent) {
return out;
}
drawvec simplify_lines(drawvec &geom, int z, int detail, bool mark_tile_bounds, double simplification, size_t retain, drawvec const &shared_nodes) {
drawvec simplify_lines(drawvec &geom, int z, int detail, bool mark_tile_bounds, double simplification, size_t retain, drawvec const &shared_nodes, std::set<std::pair<long long, long long>> &kept) {
int res = 1 << (32 - detail - z);
long long area = 1LL << (32 - z);
@@ -939,6 +939,11 @@ drawvec simplify_lines(drawvec &geom, int z, int detail, bool mark_tile_bounds,
geom[i].necessary = 1;
}
auto found = kept.find(std::pair<long long, long long>((long long) geom[i].x, (long long) geom[i].y));
if (found != kept.end()) {
geom[i].necessary = 1;
}
if (prevent[P_SIMPLIFY_SHARED_NODES]) {
auto pt = std::lower_bound(shared_nodes.begin(), shared_nodes.end(), geom[i]);
if (pt != shared_nodes.end() && *pt == geom[i]) {
@@ -985,6 +990,7 @@ drawvec simplify_lines(drawvec &geom, int z, int detail, bool mark_tile_bounds,
for (size_t i = 0; i < geom.size(); i++) {
if (geom[i].necessary) {
out.push_back(geom[i]);
kept.insert(std::pair<long long, long long>((long long) geom[i].x, (long long) geom[i].y));
}
}