1 files changed, 14 insertions, 0 deletions
diff --git a/stsci/sphere/test/test_util.py b/stsci/sphere/test/test_util.py
new file mode 100644
index 0000000..6dc0393
--- /dev/null
+++ b/stsci/sphere/test/test_util.py
@@ -0,0 +1,14 @@
+import os
+
+import numpy as np
+from .. import vector
+
+ROOT_DIR = os.path.join(os.path.dirname(__file__), 'data')
+
+def get_point_set(density=25):
+    points = []
+    for i in np.linspace(-85, 85, density, True):
+        for j in np.linspace(-180, 180, np.cos(np.deg2rad(i)) * density):
+            points.append([j, i])
+    points = np.asarray(points)
+    return np.dstack(vector.radec_to_vector(points[:,0], points[:,1]))[0]