From 3a45bd98266cbf945a006880f8e71c5d9dcc8c24 Mon Sep 17 00:00:00 2001
From: XANTRONIX Industrial <xan@xantronix.com>
Date: Mon, 24 Mar 2025 14:16:32 -0400
Subject: [PATCH] Incremental improvements

---
 lib/xmet/geo.py | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/lib/xmet/geo.py b/lib/xmet/geo.py
index 1598fde..3834a2d 100644
--- a/lib/xmet/geo.py
+++ b/lib/xmet/geo.py
@@ -119,7 +119,7 @@ class PolygonBuilder():
         if direction is not PointDirection.LEFT:
             return
 
-        for i in range(i1, i2+1):
+        for i in range(i1+1, i2):
             yield from self.yield_point(self.bounds[i % count])
 
     def each_point_within(self):
@@ -184,6 +184,19 @@ class PolygonBuilder():
 
             last = point
 
+        #
+        # If the first point is to the right of the last point, fill in the
+        # intermediates.
+        #
+        i1 = self.bounds.nearest_index(self.point_first)
+        i2 = self.bounds.nearest_index(self.point_last)
+
+        dist, direction = self.bounds.index_distance(i1, i2)
+
+        if direction is PointDirection.RIGHT:
+            yield from self.each_intermediate_point(self.point_last,
+                                                    self.point_first)
+
     def process(self) -> shapely.Polygon:
         pass