matlab scripts for generating random clusters of components

jdeeco-simulation-demo/matlab/gen_componentcfg.m

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+ y = betarnd(2,4,100,1);
+ x = rand(100,1);
+ XY = [x y];
+
+ plot(XY(:,1),XY(:,2),'*');
+
+
+  %to test the function
+clf
+axis equal
+hold on
+x1=1
+y1=1
+rc=10
+[x,y,z] = cylinder(rc,200);
+plot(x(1,:)+x1,y(1,:)+y1,':k')
+
+
+[x y]=points_in_circle(x1,y1,rc, 1000);
+plot(x,y,'bx')
+
+[x y]=points_in_circle(x1,y1,rc, 50);
+plot(x,y,'or')
+
+
+[x y]=points_in_circle(x1,y1,rc, 500);
+plot(x,y,'*g')
+

jdeeco-simulation-demo/matlab/points_in_circle.m

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+function [x, y]=points_in_circle(x1,y1,rc, cnt)
+
+    function [tx, ty]=inner(x1,y1,rc)
+        a=2*pi*rand;
+        r=sqrt(rand);
+        tx=(rc*r)*cos(a)+x1;
+        ty=(rc*r)*sin(a)+y1;
+    end
+    x = zeros(cnt, 1);
+    y = zeros(cnt, 1);
+    for t=1:cnt %loop until doing cnt points inside the circle
+        [tx, ty]=inner(x1,y1,rc);
+        x(t) = tx;
+        y(t) = ty;        
+    end;
+end
+