I forgot to mention that a circle with radius 0.05 cannot go from
(0,0.6) to (0,0.1), that's why I've changed the radius to 0.25, half the
distance between those points. I also chose the center point.
Rui Barradas
Em 25-06-2017 19:45, Rui Barradas escreveu:
Hello,
I'm not the greatest graphics programmer but is this it?
#install.packages("shape")
library(shape) # for function plotcircle
plot(0,0,col="white")
segments(0,0,0.3,0.3)
segments(0.3,0.4,0.3,0.3)
segments(0.3,0.4,0,0.7)
segments(0,0.7,0,0.6)
segments(0,0.0,0,0.1)
plotcircle(r = 0.25, mid = c(0,0.35), from = pi/2, to = -pi/2)
Note: you say you've tried every online help with no success. I had
never used package shape, at an R prompt I typed
> ?circle
No documentation for ‘circle’ in specified packages and libraries:
you could try ‘??circle’
so I tried ??circle and found the package. The rest took me less than 10
minutes. (Less than 5?)
Hope this helps,
Rui Barradas
Em 25-06-2017 12:34, Eliza B escreveu:
Dear useRs,
I am to teach my students some drawing techniques in R. I started
shape of an handle by using the following codes;
plot(0,0,col="white")
segments(0,0,0.3,0.3)
segments(0.3,0.4,0.3,0.3)
segments(0.3,0.4,0,0.7)
segments(0,0.7,0,0.6)
segments(0,0.0,0,0.1)
The coding will draw a section of a handle. Now I want to draw semi
circles of radius 0.05 between (0,0.6) and (0,0.1), oriented
vertically and outward with mouth facing against the y-axis.
I tried every help available online but to no use.
Thanks in advance,
EB
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