From 01884a3bf687392fb95344a1f9d9cba059a8aaba Mon Sep 17 00:00:00 2001
From: Eric Fischer <enf@pobox.com>
Date: Tue, 19 Dec 2017 12:09:30 -0800
Subject: [PATCH] Make sure the feature gap always increases when trying to
 reduce density

---
 tile.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tile.cpp b/tile.cpp
index aa4ead78..c22a768f 100644
--- a/tile.cpp
+++ b/tile.cpp
@@ -2024,7 +2024,7 @@ long long write_tile(FILE *geoms, long long *geompos_in, char *metabase, char *s
 					mingap_fraction = mingap_fraction * max_tile_features / totalsize * 0.90;
 					unsigned long long mg = choose_mingap(indices, mingap_fraction);
 					if (mg <= mingap) {
-						mg = mingap * 1.5;
+						mg = (mingap + 1) * 1.5;
 					}
 					mingap = mg;
 					if (mingap > arg->mingap_out) {