Mercurial > repos > public > sbplib
comparison +grid/old/max_h.m @ 0:48b6fb693025
Initial commit.
| author | Jonatan Werpers <jonatan@werpers.com> |
|---|---|
| date | Thu, 17 Sep 2015 10:12:50 +0200 |
| parents | |
| children |
comparison
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| -1:000000000000 | 0:48b6fb693025 |
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| 1 function [d_max, i1_max, j1_max, i2_max, j2_max] = max_h(X,Y) | |
| 2 ni = size(X,1); | |
| 3 nj = size(X,2); | |
| 4 d_max = 0; | |
| 5 | |
| 6 i1_max = 0; | |
| 7 j1_max = 0; | |
| 8 i2_max = 0; | |
| 9 j2_max = 0; | |
| 10 | |
| 11 D = {[0,-1],[1,0],[0,1],[-1,0]}; | |
| 12 | |
| 13 for i = 1:ni | |
| 14 for j = 1:nj | |
| 15 p1 = [X(i,j); Y(i,j)]; | |
| 16 for k = 1:length(D) | |
| 17 i2 = i+D{k}(1); | |
| 18 j2 = j+D{k}(2); | |
| 19 if i2 >= 1 && i2 <= ni && j2 >= 1 && j2 <= nj | |
| 20 p2 = [X(i2,j2); Y(i2,j2)]; | |
| 21 d = norm(p2-p1); | |
| 22 if d > d_max; | |
| 23 d_max = d; | |
| 24 i1_max = i; | |
| 25 j1_max = j; | |
| 26 i2_max = i2; | |
| 27 j2_max = j2; | |
| 28 end | |
| 29 end | |
| 30 end | |
| 31 end | |
| 32 end | |
| 33 end |