MATLAB: Contourf with looping to make gif

contor animation gif file

Dear all, I have few problems here, firstly I have matrix data C = 628×3540, then I would make contour with contourf for every (:,1:708), (:,709:1416),(:,1417:2124), (:,2125:2832),(:,2833:3540). after that I will save that result from contourf to make gif files/animation. How to do that ?
Thanks a lot

Best Answer

figure(1)
filename = 'testnew51.gif';
C = randn(628,3540);
iwant1 = [1,709,1417,2125,2833] ;
iwant2 = [708,1416,2124,2832,3540] ;
for n = 1:length(iwant1)
      contourf(C(:,iwant1(n):iwant2(n))) ;
      drawnow
      frame = getframe(1);
      im = frame2im(frame);
      [imind,cm] = rgb2ind(im,256);
      if n == 1;
          imwrite(imind,cm,filename,'gif', 'Loopcount',inf);
      else
          imwrite(imind,cm,filename,'gif','WriteMode','append');
      end
end
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