From 6fa0e918755c5adb5c3c626de04c53927457d71f Mon Sep 17 00:00:00 2001
From: Juan Pablo Caram <jpcaram@gmail.com>
Date: Sat, 29 Aug 2015 22:30:58 -0400
Subject: [PATCH] Fixed #139, Polygon aperture twice as large.

---
 camlib.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/camlib.py b/camlib.py
index 1d6c7b7f..99265b1d 100644
--- a/camlib.py
+++ b/camlib.py
@@ -2029,8 +2029,8 @@ class Gerber (Geometry):
             n_vertices = aperture['nVertices']
             points = []
             for i in range(0, n_vertices):
-                x = loc[0] + diam * (cos(2 * pi * i / n_vertices))
-                y = loc[1] + diam * (sin(2 * pi * i / n_vertices))
+                x = loc[0] + 0.5 * diam * (cos(2 * pi * i / n_vertices))
+                y = loc[1] + 0.5 * diam * (sin(2 * pi * i / n_vertices))
                 points.append((x, y))
             ply = Polygon(points)
             if 'rotation' in aperture: