Re: Resetting the gcurve object

If you examine site-packages/vis/graph.py you'll see that gdots is
implemented a self.dots = points(), gvbars is implemented as
self.vbars = faces(), and ghbars is implemented as self.hbars =
faces().

Clearly, what should be done is implement graphobject.clear(). I'll
put it on a list.

Bruce Sherwood

On Sat, Jun 11, 2011 at 12:32 PM, Poul Riis <Poul.Riis-pIBpe43/vk1knbxzx/[email protected]> wrote:
>
>
> [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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