MATLAB: Undefined function or variable ‘drawCircle’.

drawcircle

Hi, I have some problem with drawCicle. Here is the code.

   % draw tier 1 and tier 2 circles
drawCircle(baseStation.x, baseStation.y, tier1Radius, 100, 'r--');
drawCircle(baseStation.x, baseStation.y, tier2Radius, 100, 'b--');

And the error is:

*Undefined function or variable 'drawCircle'.*

Can someone help me out?

Best Answer

drawCircle is not a MATLAB function. It appears to be an Octave function.

Also, there is an implementation of a drawCircle function at https://www.mathworks.com/matlabcentral/answers/20077-counting-plots-on-a-figure

Related Solutions

MATLAB: Is there an example of how to add a callback to drawcircle to get the current position

h = drawcircle('Center', [500, 500], 'Radius', 100, 'StripeColor', 'red');   %adjust parameters as needed
L1 = addlistener(h, 'ROIMoved', @(hObject, event) disp(event.CurrentCenter))  %example callback

MATLAB: Counting Plots on a Figure

If you have two circle origins with radius:

Pt1 = [20 30];
Pt2 = [15 20];
rad1 = 7;
rad2 = 12;

You can determine if they overlap by checking the distance between the points. If that distance is greater than the sum of their radii, then they overlap:

pt2ptDist = sqrt(sum((Pt1-Pt2).^2));
if pt2ptDist < rad1+rad2
   disp('HIT!')
end

But in your code, you never store the origins of the circles... you only draw them:

for ctt = 1:number_shots
    drawCircle(1,[(rand*(xmax +10) -5) rand*(ymax-5)],xmin,xmax,ymin,ymax,'k');
end

Instead, you should store the variable locations and use the formula I gave above to determine if each stored location makes a hit with the other circles.

Best Answer

Related Solutions

MATLAB: Is there an example of how to add a callback to drawcircle to get the current position

MATLAB: Counting Plots on a Figure

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