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update 12

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This commit is contained in:
Connor Olding 2015-10-23 04:04:28 -07:00
parent 91cc02a1a4
commit 3deacf0d16
2 changed files with 7 additions and 2 deletions
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4
lib/__init__.py
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@ -43,7 +43,7 @@ def neonpink(xs):
return tilter2(xs, 'raw') return tilter2(xs, 'raw')
def c_render(cascade, precision=4096): def c_render(cascade, precision=4096):
# TODO: deprecate in favor of tilter2 (which also needs to be renamed) # TODO: deprecate in favor of tilter2
xs = xsp(precision) xs = xsp(precision)
return xs, tilter2(xs, cascade) return xs, tilter2(xs, cascade)
@ -102,7 +102,7 @@ def tilter(xs, ys, tilt):
lament("tilter(): DEPRECATED; use ys -= tilter2(xs, tilt) instead.") lament("tilter(): DEPRECATED; use ys -= tilter2(xs, tilt) instead.")
return xs, ys - tilter2(xs, tilt) return xs, ys - tilter2(xs, tilt)
def tilter2(xs, tilt): def tilter2(xs, tilt): # TODO: rename
noise = np.zeros(xs.shape) noise = np.zeros(xs.shape)
if isinstance(tilt, str) and tilt in cascades: if isinstance(tilt, str) and tilt in cascades:
tilt = cascades[tilt] tilt = cascades[tilt]

5
lib/planes.py
View file

@ -3,6 +3,11 @@ from . import tau
import numpy as np import numpy as np
import sympy as sym import sympy as sym
# implements the modified bilinear transform:
# s <- 1/tan(w0/2)*(1 - z^-1)/(1 + z^-1)
# this requires the s-plane coefficients to be frequency-normalized,
# and the center frequency to be passed as a transformation parameter.
def zcgen_py(n, d): def zcgen_py(n, d):
zcs = np.zeros(d + 1) zcs = np.zeros(d + 1)