Introduction - If you have any usage issues, please Google them yourself
function [] = circleagain(a,b,c,r)
pixel = 0.1
theta1 = 0
theta2 = 360*pi/180
pix = pixel/r
theta = theta1:pix:theta2
global x y z
x = a + r*cos(theta)
y = b + r*sin(theta)
z = ones(1,length(x))*c
x=round(x*10)/10
y=round(y*10)/10
z=round(z*10)/10
plot3(x,y,z, c )