How can I fill a circle after using the viscircles command?

51 次查看（过去 30 天）

Yeasir Mohammad Akib 2022-9-26

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1812040-how-can-i-fill-a-circle-after-using-the-viscircles-command

评论： Yeasir Mohammad Akib 2022-9-26

I am plotting some circles with certain radius. I want to fill the circles depeding on their colours. I have used the 'viscircle' command of MATLAB. So how can I improve my code? It seems like the facecolour input is not given for viscircles.

for l=1:length(newlist(:,1))
    centers= [newlist(l,1) newlist(l,2)];
    r=newlist(l,3);
    if r == 1.5
       k= [1 0 1]
    elseif r==3
       k=[0 1 0]    
    end
    viscircles( centers, r,'LineStyle','-','LineWidth',0.1,'EdgeColor',k,'Facecolor',k);
%theta = 0 : 0.01 : 2*pi;
%x = r*cos(theta) + xcenter;
%y = r*sin(theta) + ycenter;
end

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

请先登录，再回答此问题。

回答（1 个）

Image Analyst 2022-9-26

1
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1812040-how-can-i-fill-a-circle-after-using-the-viscircles-command#answer_1060625

You'll probably have to use rectangle, which can display circles with solid colors.

3 个评论
显示 1更早的评论隐藏 1更早的评论

Image Analyst 2022-9-26

Yes you can use patch or fill though I think it's harder than rectangle because with patch and fill you have to make coordinates for all the perimeter points on the circle.

Yeasir Mohammad Akib 2022-9-26