From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Tue, 12 Dec 2017 21:38:34 +0000 (+0000)
Subject: more debugging
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?a=commitdiff_plain;h=4c44b5f4becb0fdeff82e7892d6a68777d9ef8a6;p=moebius3.git

more debugging

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

diff --git a/helixish.py b/helixish.py
index 61d5b8b..aca4a23 100644
--- a/helixish.py
+++ b/helixish.py
@@ -25,6 +25,9 @@ class HelixishCurve():
     dp = unit_v(cp[1]-cp[0])
     dq = unit_v(cp[3]-cp[2])
 
+    vdbg().arrow(p,dp)
+    vdbg().arrow(q,dq)
+
     dbg('HelixishCurve __init__', cp)
     dbg(dp, dq)
 
diff --git a/moedebug.py b/moedebug.py
index 00fc547..97e8635 100644
--- a/moedebug.py
+++ b/moedebug.py
@@ -18,6 +18,8 @@ def dbg(*args):
 
 class NullVisdebug():
   def curve(*a, **kw): pass
+  def line(*a, **kw): pass
+  def arrow(*a, **kw): pass
   def crashing(*a, **kw): pass
 
 _nullvis = NullVisdebug()
diff --git a/visual b/visual
index 8cf167a..90ad5c3 100755
--- a/visual
+++ b/visual
@@ -21,7 +21,11 @@ class Visdebug():
     # fn(t) => 3-tuple, 3-list, or similar, for t \elem [0,1]
     ps = [ fn(t) for t in np.linspace(0,1,11) ]
     #dbg('Visdebug', ps)
-    curve(pos = ps)
+    curve(pos = ps, color=color.yellow)
+  def line(vd, p0, p1):
+    vd.curve(lambda t: p0 + t * (p1-p0))
+  def arrow(vd, p, d):
+    vd.line(p, p+d)
   def crashing(vd, msg):
     print("CRASHING - VISDEBUG", msg, file=sys.stderr)
     rate(1E-8)
@@ -41,10 +45,10 @@ ws = range(0, nw+1)
 #c1 = curve( color=color.blue, pos = [ m.midline.point(th) for th in thetas ] )
 
 for v in vs:
-  c2 = curve( pos = [ m.point(v,w) for w in ws ] )
+  c2 = curve( color=color.blue, pos = [ m.point(v,w) for w in ws ] )
 
-for w in ws:
-  c3 = curve( color=color.yellow, pos = [ m.point(v,w) for v in vs ] )
+#for w in ws:
+#  c3 = curve( color=color.blue, pos = [ m.point(v,w) for v in vs ] )
 
 
 #for v in vs: