Patch : intersecting polygon regions leaving holes at intersections.

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Chirag Dudhat
Chirag Dudhat 2022-10-21
评论： Dyuman Joshi 2023-9-25
I created a function which plots a line with variable thickness along the array. I am using Patch for that. The problem is those areas which I marked with red circles. How do I get rid of those holes (white areas) and make it same color as the line?

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回答（1 个）

Avni Agrawal
Avni Agrawal 2023-9-25
编辑：Avni Agrawal 2023-9-25
Ran in:
Hi Chirag,
I understand that you are facing an issue with existing white area at the intersection while using patch function.
You can try implementing below code where there are no such holes, and the continuous line only exists.
x = [-7 0 7 -9 9 -7];
y = [-7 9 -7 4 4 -7];
hold on
for i=1:5
r = randi([1 10],1); % random line width generator
patch([x(i) x(i+1)], [y(i) y(i+1)],'b','EdgeColor','k','FaceColor','none','LineWidth', r);
end
hold off
Please refer to the patch documentation for further assistance.
https://in.mathworks.com/help/matlab/ref/patch.html
  1 个评论
Dyuman Joshi
Dyuman Joshi 2023-9-25
Ran in:
patch() is not needed here -
x = [-7 0 7 -9 9 -7];
y = [-7 9 -7 4 4 -7];
figure
hold on
for i=1:numel(x)-1
r = randi(10); % random line width generator
plot([x(i) x(i+1)], [y(i) y(i+1)],'k-','LineWidth', r);
end
hold off

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