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Ring in function graphics [message #90315] Thu, 19 February 2015 08:07 Go to previous message
Helder Marchetto is currently offline  Helder Marchetto
Messages: 520
Registered: November 2011
Senior Member
Hi,
is it possible to draw a ring in fg?
For example, given two circles:
c = [0.5,0.5]
rl = 0.1
rh = 0.2
i = image(/test)
io = ellipse(c[0], c[1], major=rh, fill_background=1, /norm, target=i)
ic = ellipse(c[0], c[1], major=rl, fill_background=0, /norm, target=i)

I would like to "see through" the inner circle (ic).

Thanks,
Helder
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