How do I draw circles in App Designer with user inputting the x, y and radii values?
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Hi,
So i am creating a project where I need to be able to draw multiple circles with different x, y and radii values. I was able to make one circle but it had a fixed radius and I would like it to be such that the user can input the different values and that is then used to plot the circle. This is what I have written down so far. I would appreciate any help I can get!
clear;
r = 4;
caca = 2*pi;
ang = linspace(0,caca);
xp = r*cos(ang);
yp = r*sin(ang);
circ = [xp;yp];
figure(1)
plot(xp,yp)
I tried writing:
r = inputdlg;
but it just wouldn't work. I mean it would allow the user to input the value but wouldn't plot a circle.
Any ideas on how I can get the user to enter the x, y and radii values and have it plot perfectly on a graph. I also want it to plot multiple circles.
Thank you!
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Antworten (1)
VBBV
am 17 Dez. 2022
In the app designer, you can invoke the follwing code,
% in the app designer
prompt = {'Enter radius of circle:', 'Enter centre:'}
T_L = 'Circle'
dims = [1 40]
out = inputdlg(prompt,T_L,dims)
caca = 2*pi;
ang = linspace(0,caca);
r = str2num(out{1});
C = str2num(out{2});
xp = C(1)*cos(ang);
yp = C(2)*sin(ang);
plot(xp,yp,'r-')
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