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[these_gilles.git] / THESE / codes / wave / allcode / dwt3D_plots.m
1 % dwt3D_plots
2 % DISPLAY 3D WAVELETS OF DWT3D.M
3
4 [af, sf] = farras;
5 J = 4;
6 L = 3*2^(J+1);
7 N = L/2^J;
8 x = zeros(L,L,L);
9 w = dwt3D(x,J,af);
10 w{J}{7}(N/2,N/2,N/2) = 1;
11 y = idwt3D(w,J,sf);
12 figure(1)
13 clf
14 v = 1:L;
15 S = 0.017;
16 p1 = patch(isosurface(v,v,v,y,S));
17 isonormals(v,v,v,y,p1);
18 set(p1,'FaceColor','red','EdgeColor','none'); 
19 hold on
20 p2 = patch(isosurface(v,v,v,y,-S));
21 isonormals(v,v,v,y,p2);
22 set(p2,'FaceColor','blue','EdgeColor','none'); 
23 hold off
24 daspect([1 1 1]);
25 view(-30,30); 
26 camlight;
27 lighting phong
28 grid
29 axis([32 48 32 48 32 48])
30 set(gca,'fontsize',7)
31 title('3-D WAVELET ISOSURFACE (SEPARABLE TRANSFORM)')
32 set(gcf,'paperposition',[0.5 0.5 0 0]+[0 0 4 3])
33 print -djpeg95 dwt3D_plots