MATLAB制作GIF动图步骤分享

clear;clc;

close all;

t=0:pi/10:10*pi;

x=sin(t);

y=cos(t);

figure;

subplot(2,1,1);

axis([0 10*pi -1.1 1.1]);

L11 = line([0 10*pi],[0 0]);

set(L11,'linestyle','--','color','g');

L12 = line([0 10*pi],[-1 -1]);

set(L12,'linestyle','--','color','r');

L13 = line([0 10*pi],[1 1]);

set(L13,'linestyle','--','color','r');

xticks = 0:pi:10*pi;

set(gca,'xtick',xticks);

xtickslabel = [{'0'},{'\pi'}, {'2\pi'}, {'3\pi'}, {'4\pi'}, ...

{'5\pi'}, {'6\pi'}, {'7\pi'}, {'8\pi'}, {'9\pi'}, {'10\pi'}];

set(gca,'xticklabel', xtickslabel);

title('x = sin(t)');

xlabel('x');

subplot(2,1,2);

axis([0 10*pi -1.1 1.1]);

L21 = line([0 10*pi],[0 0]);

set(L21,'linestyle','--','color','g');

L22 = line([0 10*pi],[-1 -1]);

set(L22,'linestyle','--','color','r');

L23 = line([0 10*pi],[1 1]);

set(L23,'linestyle','--','color','r');

xticks = 0:pi:10*pi;

set(gca,'xtick',xticks);

xtickslabel = [{'0'},{'\pi'}, {'2\pi'}, {'3\pi'}, {'4\pi'}, ...

{'5\pi'}, {'6\pi'}, {'7\pi'}, {'8\pi'}, {'9\pi'}, {'10\pi'}];

set(gca,'xticklabel', xtickslabel);

xlabel('y');

title('y = cos(t)');

subplot(2,1,1);

%绘制GIF图部分代码

h1 = animatedline('color','b');

for k = 1:length(t)

addpoints(h1,t(k),x(k));hold on;

drawnow update

pause(0.01);

im = frame2im(getframe(gcf));

[I, map] = rgb2ind(im,20);

if (k==1)

imwrite(I,map,'MyGif.gif1','gif','Loopcount',inf,'DelayTime',0.01);

else

imwrite(I,map,'MyGif.gif1','gif','WriteMode','append','DelayTime',0.01);

end

end

subplot(2,1,2);

h2 = animatedline('color','r');

for k = 1:length(t)

addpoints(h2,t(k),y(k));hold on;

drawnow update

pause(0.01);

im = frame2im(getframe(gcf));

[I, map] = rgb2ind(im,20);

imwrite(I,map,'MyGif.gif1','gif','WriteMode','append','DelayTime',0.01);

end

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