# HG changeset patch
# User Santeri Piippo
# Date 1516703370 -7200
# Node ID 3089611c99d1fc4ac337036ced9e2933bf8de4ac
# Parent  7c263b8643716af4a0cb74d5e64f3c11d3ac394b
Changed threshold skew test, added warning for slightly skew quads

diff -r 7c263b864371 -r 3089611c99d1 tests/quadrilaterals.py
--- a/tests/quadrilaterals.py	Mon Jan 22 21:21:53 2018 +0200
+++ b/tests/quadrilaterals.py	Tue Jan 23 12:29:30 2018 +0200
@@ -24,11 +24,16 @@
             plane_1 = triangle_plane_normal(triangles[0])
             plane_2 = triangle_plane_normal(triangles[1])
             skew_angle = vector_angle(plane_1, plane_2, normalized = True)
-            if skew_angle > radians(0.1):
+            if skew_angle > radians(3.0):
                 yield error(quadrilateral, 'skew-error',
                     skew_angle = skew_angle,
                 )
                 break
+            elif skew_angle > radians(1.0):
+                yield warning(quadrilateral, 'skew-warning',
+                    skew_angle = skew_angle,
+                )
+                break
 
 manifest = {
     'tests': {
@@ -40,6 +45,10 @@
             str.format('skew quadrilateral (plane angle {})',
                 degree_rep(skew_angle),
             ),
+        'skew-warning': lambda skew_angle:
+            str.format('slightly skew quadrilateral (plane angle {})',
+                degree_rep(skew_angle),
+            ),
         'concave-error': 'concave quadrilateral',
     },
 }