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ordinates
2012 Aug 15
1
shade overlapping portions of circles (or other shapes)
...to
above. But I would not want to do it that way again. The shapes won't
always be perfect circles, they may be ellipses or other convex
shapes. But if I could understand the problem for circles, maybe I
could solve for others.
Do you have suggestions?
I am considering this. Collect the co-ordiates from the circle points
C1 <- draw.circle(3.5,7,0.8,border="blue",lty=2,lwd=2)
C2 <- draw.circle(2.5,8,0.6,border="red",lty=3,lwd=3)
Can I isolate the relevant arcs from C1 and C2? If I could, I'd join them
Cjoin <- list(x = c(C1$x, C2$x), y = c(C1$y, C2$y))
An...