how can i draw rectangle with line command?

2016 2 27
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更新时间：2016 2 28
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Walter Roberson
Walter Roberson 2016-2-27

0 个投票

high = 42; %example
wide = 65; %example
x0 = 0;
y0 = 0;
maxx = 500;
yamp = 300;
pos = [x0 y0 wide high];
r = rectangle('Position', pos);
xlim([0 x0+maxx+wide]);
ylim([0 y0+yamp+high]);
axis equal
hold on;
for K = 0 : 5 : maxx
x = x0 + K;
y = abs(yamp * sin(x));
pos = [x y wide high];
set(r, 'Position', pos);
pause(0.1)
end

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Walter Roberson
Walter Roberson 2016-2-27
Or did you mean you wanted to use line() instead of rectangle() ?
ismail uzun
ismail uzun 2016-2-27
more simle i wanna this shape move x axis but it must made xor command
x = [2,2,12]; y= [2,7];
line([x(1), x(2)], [y(1), y(2)], 'Color', 'b', 'LineWidth', 3); line([x(1), x(3)], [y(2), y(2)], 'Color', 'b', 'LineWidth', 3); line([x(3), x(3)], [y(2), y(1)], 'Color', 'b', 'LineWidth', 3); line([x(3), x(1)], [y(1), y(1)], 'Color', 'b', 'LineWidth', 3);
ylim([0, 50]);
xlim([0, 50]);
grid on;
Walter Roberson
Walter Roberson 2016-2-27
The moving is the easy part. Whether you can do it with xor depends upon which MATLAB version you are using. Drawing with xor was dropped as of R2014b.
Is it possible that your actual situation involves an image that your rectangle is to appear to move over, and you have been instructed to use xor in your implementation of that?

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