From: Ian Jackson Date: Tue, 12 Dec 2017 21:00:45 +0000 (+0000) Subject: debugging arrangements for helixish X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?a=commitdiff_plain;h=2b7cdd110d6b97eee4fab05d46a80aba6203b93e;p=moebius3.git debugging arrangements for helixish Signed-off-by: Ian Jackson --- diff --git a/moebius.py b/moebius.py index 081f428..f228bce 100644 --- a/moebius.py +++ b/moebius.py @@ -82,7 +82,9 @@ class MoebiusHalf: m._thetas = [ u * tau for u in np.linspace(0, 1, nu+1) ] m._cp2b = BezierSegment([ (c,) for c in [0.33,0.33, 1.50]]) m._beziers = [ m._bezier(theta) for theta in m._thetas ] - def _bezier(m, theta): + check = int(nu/3) + m._beziers[check] = m._bezier(m._thetas[check], HelixishCurve) + def _bezier(m, theta, constructor=DoubleCubicBezier): cp = [None] * 4 cp[0] = m.edge .point(theta) cp[3] = m.midline.point(theta*2) @@ -94,7 +96,7 @@ class MoebiusHalf: # file=sys.stderr) cp[1] = cp[0] + cp1scale * m.edge .dirn (theta) cp[2] = cp[3] + cp2scale * m.midline.dirn (theta*2) - return HelixishCurve(cp) + return constructor(cp) def point(m, iu, t): ''' 0 <= iu <= nu meaning 0 <= u <= 1 diff --git a/visual b/visual index a6f78c4..8cf167a 100755 --- a/visual +++ b/visual @@ -47,10 +47,10 @@ for w in ws: c3 = curve( color=color.yellow, pos = [ m.point(v,w) for v in vs ] ) -for v in vs: - c4 = curve( color=color.blue, - pos = [ m.point_offset(v,w, 0.1) for w in ws ] ) +#for v in vs: +# c4 = curve( color=color.blue, +# pos = [ m.point_offset(v,w, 0.1) for w in ws ] ) -for w in ws: - c3 = curve( color=(1,0,1), pos = [ m.point_offset(v,w, -0.1) for v in vs ] ) +#for w in ws: +# c3 = curve( color=(1,0,1), pos = [ m.point_offset(v,w, -0.1) for v in vs ] )