def co_downsample_to(deltat):
decimators = {}
newtr = None
try:
while True:
tr = yield newtr
ratio = deltat / tr.deltat
rratio = round(ratio)
if abs(rratio - ratio)/ratio > 0.0001:
raise util.UnavailableDecimation('ratio = %g' % ratio)
deci_seq = tuple( x for x in util.decitab(int(rratio)) if x != 1 )
if deci_seq not in decimators:
decimators[deci_seq] = chain( *[ co_downsample(q) for q in deci_seq ] )
newtr = decimators[deci_seq].send( tr )
except GeneratorExit:
for g in decimators.values():
g.close()
def co_downsample_to(deltat):
decimators = {}
newtr = None
try:
while True:
tr = yield newtr
ratio = deltat / tr.deltat
rratio = round(ratio)
if abs(rratio - ratio) / ratio > 0.0001:
raise util.UnavailableDecimation('ratio = %g' % ratio)
deci_seq = tuple(x for x in util.decitab(int(rratio)) if x != 1)
if deci_seq not in decimators:
decimators[deci_seq] = chain(
*[co_downsample(q) for q in deci_seq])
newtr = decimators[deci_seq].send(tr)
except GeneratorExit:
for g in decimators.values():
g.close()
def co_downsample_to(target, deltat):
decimators = {}
try:
while True:
tr = (yield)
ratio = deltat / tr.deltat
rratio = round(ratio)
if abs(rratio - ratio) / ratio > 0.0001:
raise util.UnavailableDecimation('ratio = %g' % ratio)
deci_seq = tuple(x for x in util.decitab(int(rratio)) if x != 1)
if deci_seq not in decimators:
pipe = target
for q in deci_seq[::-1]:
pipe = co_downsample(pipe, q)
decimators[deci_seq] = pipe
decimators[deci_seq].send(tr)
except GeneratorExit:
for g in decimators.values():
g.close()
def co_downsample_to(target, deltat):
decimators = {}
try:
while True:
tr = (yield)
ratio = deltat / tr.deltat
rratio = round(ratio)
if abs(rratio - ratio)/ratio > 0.0001:
raise util.UnavailableDecimation('ratio = %g' % ratio)
deci_seq = tuple( x for x in util.decitab(int(rratio)) if x != 1 )
if deci_seq not in decimators:
pipe = target
for q in deci_seq[::-1]:
pipe = co_downsample(pipe, q)
decimators[deci_seq] = pipe
decimators[deci_seq].send( tr )
except GeneratorExit:
for g in decimators.values():
g.close()