From 67295d20a80e14927559c91ad48fba3c441f76dc Mon Sep 17 00:00:00 2001
From: mdroe <mdroe@stsci.edu>
Date: Thu, 12 Jun 2014 18:17:42 +0000
Subject: Handle empty polygons in Polygon.to_ra_dec

git-svn-id: http://svn.stsci.edu/svn/ssb/stsci_python/stsci.sphere/trunk@32438 fe389314-cf27-0410-b35b-8c050e845b92

Former-commit-id: 7e37d7cfb676faa51c4a29708c8f1ae9656245e3
---
 stsci/sphere/polygon.py | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'stsci/sphere/polygon.py')

diff --git a/stsci/sphere/polygon.py b/stsci/sphere/polygon.py
index 0406402..f7c44be 100644
--- a/stsci/sphere/polygon.py
+++ b/stsci/sphere/polygon.py
@@ -133,6 +133,8 @@ class SphericalPolygon(object):
             List of *ra* and *dec* in degrees corresponding
             to `points`.
         """
+        if len(self.points) == 0:
+            return np.array([])
         return vector.vector_to_radec(self.points[:,0], self.points[:,1],
                                       self.points[:,2], degrees=True)
 
-- 
cgit