SHARE
TWEET

Untitled

a guest Jun 14th, 2019 72 Never
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
  1. function [Vsmooth, numBoundaryEdges, A] = smoothMesh(V, F, k) # V: vertices, F: face data, k: num iterations
  2.  
  3. Vsmooth = V;
  4. V_s = size(V,2);
  5. F_s = size(F,2);
  6. numBoundaryEdges = 0;
  7.  
  8. # compute adjacency matrix
  9. A = [];
  10.  
  11. for i=1:F_s
  12.     A(F(1,i), F(2, i)) = 1;
  13.     A(F(2,i), F(3, i)) = 1;
  14.     A(F(3,i), F(1, i)) = 1;    
  15. end    
  16.  
  17. # print number of boundary edges    
  18. boundaryEdges = find((A.-A')>0);
  19. numBoundaryEdges = length(boundaryEdges)
  20. # for k iterations: compute every vertex as the mean of its neighbors      
  21.  
  22.  
  23. for i=1:k
  24.     Vsmooth_temp = Vsmooth;
  25.     for j=1:V_s
  26.         neighbours_x = find(A(:,j)>0);
  27.         neighbours_y = find(A(j,:)>0);
  28.  
  29.         neighbours_index = unique([neighbours_x', neighbours_y]);
  30.        
  31.         sum_neighbors = 0;
  32.         for l=1:size(neighbours_index, 2);
  33.             sum_neighbors += Vsmooth(:,neighbours_index(l));
  34.         end
  35.         sum_neighbors /= size(neighbours_index,2);
  36.  
  37.         Vsmooth_temp(:,j) = sum_neighbors;
  38.     end
  39.     Vsmooth = Vsmooth_temp;
  40. end
  41.  
  42. endfunction
RAW Paste Data
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. OK, I Understand
 
Top