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Restore the intended behavior that tiny polygons don't get simplified

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Erica Fischer
2022-08-25 15:32:12 -07:00
parent 932c524ebc
commit 56259e4a16
3 changed files with 277 additions and 2 deletions
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tile.cpp
+5 -1
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@@ -466,7 +466,11 @@ void *partial_feature_worker(void *v) {
}
if ((t == VT_LINE || t == VT_POLYGON) && !(prevent[P_SIMPLIFY] || (z == maxzoom && prevent[P_SIMPLIFY_LOW]) || (z < maxzoom && additional[A_GRID_LOW_ZOOMS]))) {
if (1 /* !reduced */) { // XXX why did this not simplify if reduced?
// Now I finally remember why it doesn't simplify if the feature was reduced:
// because it makes square placeholders look like weird triangular placeholders.
// Only matters if simplification is set higher than the tiny polygon size.
// Tiny polygons that are part of a tiny multipolygon will still get simplified.
if (!(*partials)[i].reduced) {
if (t == VT_LINE) {
// continues to deduplicate to line_detail even if we have extra detail
geom = remove_noop(geom, t, 32 - z - line_detail);