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Feb 20th, 2020
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  1. exec('init_tp_image.sce'); exec('contours.sci');
  2. n = 200;
  3. // image de taille 200x200 // avec un fond noir
  4. im = zeros(n,n);
  5. for i = 1:n
  6. for j = 1:n
  7. I = i - n/2;
  8. J = j - n/2;
  9. r = sqrt(I^2 + J^2);
  10. if r < n/4 then
  11. // le disque au centre contient un degrade
  12. im(i,j) = int(255*(j-n/5)/n*1.75);
  13. end
  14. end
  15. end
  16. // on lisse l'image pour avoir un bord moins abrupt
  17. G = W_gauss_2D(1.5);
  18. im = int(conv2(im, G, "same"));
  19.  
  20.  
  21. afficher_image(im);
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