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Fix accidental loss (at all zooms) of features with an explicit minzoom (#221)

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* Fix accidental loss (at all zooms) of features with an explicit minzoom

* Try to stabilize centers and bounding boxes between architectures
This commit is contained in:
Erica Fischer
2024-03-22 10:20:10 -07:00
committed by GitHub
parent e796400377
commit bd48ba8ea1
7 changed files with 2889 additions and 12 deletions
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mbtiles.cpp
+14 -10
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@@ -642,6 +642,10 @@ void mbtiles_write_metadata(sqlite3 *db, const metadata &m, bool forcetable) {
}
}
static double sixdig(double val) {
return std::round(val * 1e6) / 1e6;
}
metadata make_metadata(const char *fname, int minzoom, int maxzoom, double minlat, double minlon, double maxlat, double maxlon, double minlat2, double minlon2, double maxlat2, double maxlon2, double midlat, double midlon, const char *attribution, std::map<std::string, layermap_entry> const &layermap, bool vector, const char *description, bool do_tilestats, std::map<std::string, std::string> const &attribute_descriptions, std::string const &program, std::string const &commandline, std::vector<strategy> const &strategies, int basezoom, double droprate, int retain_points_multiplier) {
metadata m;
@@ -654,18 +658,18 @@ metadata make_metadata(const char *fname, int minzoom, int maxzoom, double minla
m.minzoom = minzoom;
m.maxzoom = maxzoom;
m.minlat = minlat;
m.minlon = minlon;
m.maxlat = maxlat;
m.maxlon = maxlon;
m.minlat = sixdig(minlat);
m.minlon = sixdig(minlon);
m.maxlat = sixdig(maxlat);
m.maxlon = sixdig(maxlon);
m.minlat2 = minlat2;
m.minlon2 = minlon2;
m.maxlat2 = maxlat2;
m.maxlon2 = maxlon2;
m.minlat2 = sixdig(minlat2);
m.minlon2 = sixdig(minlon2);
m.maxlat2 = sixdig(maxlat2);
m.maxlon2 = sixdig(maxlon2);
m.center_lat = midlat;
m.center_lon = midlon;
m.center_lat = sixdig(midlat);
m.center_lon = sixdig(midlon);
m.center_z = maxzoom;
if (attribution != NULL) {