[英]Equally spaced points on archimedian spiral
我知道如何繪制阿基米德螺旋線
a <- 20 #distance from origin
b <- 1 #distance between loops
maxtheta <- 20*pi #10 times round the loop
theta <- seq(0,maxtheta,0.01) #my sequence of angles
r <- a + b*theta # equation for the spiral
df <- data.frame(x=r*cos(theta), y=r*sin(theta)) # convert points to Cartesian coordinates
#then plot them to get spiral
此外,我還想在螺旋上繪制均勻分布的點,但到目前為止我的點總是不等間距。
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