Resetting the gcurve object

[email protected] writes:
>There's something missing in the documentation. The following sequence
>will erase the gcurve. When you create a gcurve object, one of its
>pieces is a curve object, and you can get at that curve object as
>shown here.
>
>f = gcurve(.....)
>.....
>f.gcurve.pos = []
I woud guess that there are similar commands for gvbars and gdots.
However, this seems not to be the case. The (dummy) example below can only
delete the gcurve and ends with an error message.

Poul Riis



from visual.graph import *
from time import *

oscillation = gdisplay(xtitle='Time', ytitle='Response')
funct1 = gcurve(color=color.cyan)
funct2 = gvbars(delta=0.5, color=color.red)
funct3 = gdots(color=color.yellow)

for t in arange(-30, 74, 1):
    funct1.plot( pos=(t, 5.0+5.0*cos(-0.2*t)*exp(0.015*t)) )
    funct2.plot( pos=(t, 2.0+5.0*cos(-0.1*t)*exp(0.015*t)) )
    funct3.plot( pos=(t, 5.0*cos(-0.03*t)*exp(0.015*t)) )

histo = gdisplay(title='Histogram', x=0, y=400, width=800,height=400)
datalist1 = [5, 37, 12, 21, 25, 28, 8, 63, 52, 75, 7]
data = ghistogram(bins=arange(-20, 80, 10), color=color.red)
data.plot(data=datalist1) 
datalist2 = [7, 23, 25, 72, -15]
data.plot(data=datalist2, accumulate=1)

print 'Wait 2 seconds...'
sleep(2)
print 'Deleting a gcurve...'
funct1.gcurve.pos = []
print 'Wait 2 seconds...'
sleep(2)
print 'Deleting vbars...'
funct2.gvbars.pos = []
print 'Wait 2 seconds...'
sleep(2)
print 'Deleting gdots...'
funct3.gdots.pos = []

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