An interesting garland pattern generation function

Clc;clear All;addpath (' E:\PhotoShop algortihm\image processing\ps algorithm '); Image=imread (' 4.jpg '); Image=double ( Image) *0;coeff_r=1;coeff_g=1;coeff_b=1; [Row, col, Layer]=size (Image);% Wreath's center position center_x= (col+1)/2; Center_y= (row+1)/2;a=150;   % control the radius of petals n=720;  % controls the number of petals formed, the larger the more dense k=4 appear;       % controls the shape of the Garland, different K-generates different shapes of garlands delta_angle=360/n;for angle=0:delta_angle:360    theta=angle*pi/180;    R= (A*sin (K*theta));    x= (R*cos (theta));    Y= (R*sin (theta));    X0=floor (x+center_x);    Y0=floor (center_y-y);    Image (y0,x0,1) =coeff_r;    Image (y0,x0,2) =coeff_g;    Image (y0,x0,3) =coeff_b;endimshow (image);    

k=2

K=3

K=4

An interesting garland pattern generation function