source: liacs/la/opdr4/wireframe.m@ 112

Last change on this file since 112 was 2, checked in by Rick van der Zwet, 15 years ago

Initial import of data of old repository ('data') worth keeping (e.g. tracking
means of URL access statistics)

File size: 1.4 KB
Line 
1function wireframe(D,C,n)
2 % given 2 dim array f n Data points and square nxn adjacency
3 % array C of connections
4 % plot wireframe edge by edge between projected Begin and End x,y
5 % coordinates
6 % vectors X and Y are of length 2 and contain respectively the two
7 % x and y coordinates of the Begin- and Endpoints
8 % determine x,y range first for whole dataset
9
10 % wel het figuurtje laten zien natuurlijk
11 figure
12 % hulp lijntjes
13 grid on
14
15 % even randen
16 % xmin=1.2*min(min(D([1],:)));
17 % xmax=1.2*max(max(D([1],:)));
18 % ymin=1.2*min(min(D([2],:)));
19 % ymax=1.2*max(max(D([2],:)));
20 % gebruik onderstaande voor een vierkant
21 xmin=1.2*min(min(D([1 2],:)));
22 xmax=1.2*max(max(D([1 2],:)));
23 ymin = xmin;
24 ymax = xmax;
25 axis([xmin,xmax,ymin,ymax]);
26
27 X = [0; 10];
28 Y = [0; 10];
29 % no cleanups between plot commands
30 hold on
31 % loop door de connectie array heen
32 % we trekken enkel lijntjes van de kleine naar de grootte om dubbel
33 % werk te voorkomen
34 for i=1:n
35 for j=i:n
36 if ( C(i,j) == 1 )
37 point1 = D(:,i);
38 point2 = D(:,j);
39 X = [ point1(1); point2(1) ];
40 Y = [ point1(2); point2(2) ];
41 plot(X, Y,'k-')
42
43 end
44 end
45 end
46 %draw black line between 2 connected data vertex points at a time
47 hold off
48
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