From f25f6966e0b5362b5eb5468abd15a71604c172d5 Mon Sep 17 00:00:00 2001
From: Jan Petykiewicz <anewusername@gmail.com>
Date: Wed, 19 Apr 2017 18:55:44 -0700
Subject: [PATCH] add example showing how to make an elliptical grating

---
 examples/ellip_grating.py | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 examples/ellip_grating.py

diff --git a/examples/ellip_grating.py b/examples/ellip_grating.py
new file mode 100644
index 0000000..e4e2672
--- /dev/null
+++ b/examples/ellip_grating.py
@@ -0,0 +1,22 @@
+# Quick script for testing arcs
+
+import numpy
+
+import masque
+from masque import shapes
+
+
+def main():
+    pat = masque.Pattern()
+    for rmin in numpy.arange(10, 15, 0.5):
+        pat.shapes.append(shapes.Arc(
+            radii=(rmin, rmin),
+            width=0.1,
+            angles=(-numpy.pi/4, numpy.pi/4)
+        ))
+
+    pat.visualize()
+
+
+if __name__ == '__main__':
+    main()