viz

heyredhat · Nov 9, 2020 · 44ca8e0 · 44ca8e0
1 parent a11451e
commit 44ca8e0
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Showing 2 changed files with 12 additions and 12 deletions.
diff --git a/spheres/utils.py b/spheres/utils.py
@@ -126,15 +126,3 @@ def fix_stars(old_stars, new_stars):
         else:
             return new_stars
     return ordering
-
-def tangent_plane_rotation(phi, theta):
-    """
-    Construct rotation into the tangent plane to the sphere 
-    at the given point specified in spherical coordinates.
-    """
-    normal = sph_xyz(np.array([1, phi, theta]))
-    tangent = sph_xyz(np.array([1, phi, theta+np.pi/2]))
-    return np.linalg.inv(\
-                np.array([tangent,\
-                          normalize(np.cross(tangent, normal)),\
-                          normal]))
diff --git a/spheres/visualization.py b/spheres/visualization.py
@@ -9,6 +9,18 @@
 
 import vpython as vp
 
+def tangent_plane_rotation(phi, theta):
+    """
+    Construct rotation into the tangent plane to the sphere 
+    at the given point specified in spherical coordinates.
+    """
+    normal = sph_xyz(np.array([1, phi, theta]))
+    tangent = sph_xyz(np.array([1, phi, theta+np.pi/2]))
+    return np.linalg.inv(\
+                np.array([tangent,\
+                          normalize(np.cross(tangent, normal)),\
+                          normal]))
+
 class MajoranaSphere:
     def __init__(self, spin,\
                        scene=None,\