def __init__(self, minval=0., maxval=1., dur=10, table=None, loop=False):
if table is None:
table = rtcmix.maketable('line',1000, 0,0, 1,1)
self.min=minval
self.max=maxval
self.dur=dur
self.table=table
self.start_time=schedule.now()
self.loop=loop
def jointables(*tables):
"""joins any number of tables into a resulting 1000-point table.
Takes any number of arguments. Each arg can be either a table handle,
or a tuple as follows: (table, scale)
where scale is the relative size of this table in the sum.
Otherwise, scale defaults to 1."""
points = []
# we really don't want to log all these samptables:
printing_was_on = rtcmix.is_print_on
rtcmix.print_off()
scalesum = 0
tables_and_scales = []
for t in tables:
if type(t) is tuple:
scale=t[1]
table=t[0]
else:
scale=1
table=t
scalesum += scale
tables_and_scales.append((table, scale))
for table, scale in tables_and_scales:
allotted_points = int(1000 * scale/float(scalesum))
tlen = rtcmix.tablelen(table)
poll_period = tlen/allotted_points
for i in xrange(allotted_points):
points.append(rtcmix.samptable(table, i * poll_period))
#turn printing back on if it was off
if printing_was_on:
rtcmix.print_on()
return rtcmix.maketable('literal', len(points), points)
