From 4758cf45eac86907877be4b1d2abe39713bd0c51 Mon Sep 17 00:00:00 2001
From: Paul Norman <paunorma@amazon.com>
Date: Tue, 3 Nov 2020 22:54:49 -0800
Subject: [PATCH] geom: Don't skip 4 corner geometry validation (#255)

These can be invalid in some cases like a figure-of-eight
shape. Because there are so few triangle geometries and
they are quick to validate, it's simplest to just remove
the special casing of small geoms.
---
 writer/ways.go | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/writer/ways.go b/writer/ways.go
index 6db70e70..af9b4f75 100644
--- a/writer/ways.go
+++ b/writer/ways.go
@@ -147,10 +147,7 @@ func (ww *WayWriter) buildAndInsert(
 	if isPolygon {
 		geosgeom, err = geomp.Polygon(g, way.Nodes)
 		if err == nil {
-			if g.NumCoordinates(geosgeom) > 5 {
-				// only check for valididty for non-simple geometries
-				geosgeom, err = g.MakeValid(geosgeom)
-			}
+			geosgeom, err = g.MakeValid(geosgeom)
 		}
 	} else {
 		geosgeom, err = geomp.LineString(g, way.Nodes)