helixish: debugging output

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/helixish.py b/helixish.py
index 398a210719728794ced538b4daab68b76af057ca..cdf79ce75444a74bab0fd6f9078a43abdbe09999 100644 (file)
--- a/helixish.py
+++ b/helixish.py
@@ -113,6 +113,8 @@ class HelixishCurve():
       vdbg_railway.arrow(start, [sin(angle), cos(angle), 0], **kw)
     vdbg_railway_angle([0, 0, 0.1], railway_theta, color=(1, 0.5, 0))
     vdbg_railway_angle([1, 0, 0.1], railway_phi,   color=(1, 0.5, 0))
+    vdbg_railway_angle([1, 0, 0.1], 0,             color=(1, 1.00, 0))
+    vdbg_railway_angle([1, 0, 0.1], tau/4,         color=(1, 0.75, 0))
 
     if railway_cos_theta**2 + railway_cos_phi**2 > 1E-6:
       railway_polynomial = [