From 191e5532a851c0a1bbadbf3495f2fe57117c6e11 Mon Sep 17 00:00:00 2001
From: Gabriel Wicke <gswicke@gmail.com>
Date: Sun, 7 Jun 2020 15:59:51 -0700
Subject: [PATCH] Path: Fix for optimizeLinearSegments

Reduce cumulative error by holding onto the original point in a sequence
of linear optimizations. In testing, this fixes artifacts I have seen on
very finely sampled paths with very gradual curvature.

Further improvements are needed for this optimization, but at least this
change avoids a regression over the status quo.
---
 src/Mod/Path/PathScripts/PathSurface.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Mod/Path/PathScripts/PathSurface.py b/src/Mod/Path/PathScripts/PathSurface.py
index 373f95bde9..5e05ee6252 100644
--- a/src/Mod/Path/PathScripts/PathSurface.py
+++ b/src/Mod/Path/PathScripts/PathSurface.py
@@ -2093,7 +2093,7 @@ class ObjectSurface(PathOp.ObjectOp):
             for nxt in line[2:]:
                 if not pnt.isOnLineSegment(prv, nxt):
                     pts.append(pnt)
-                prv = pnt
+                    prv = pnt
                 pnt = nxt
             pts.append(line[-1])
             return pts