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- >> a=X
- a =
- Columns 1 through 8
- 0 50 100 150 200 250 300 350
- Columns 9 through 16
- 400 450 500 550 600 650 700 750
- Columns 17 through 21
- 800 850 900 950 1000
- >> b=Y
- b =
- 0
- 50
- 100
- 150
- 200
- 250
- 300
- 350
- 400
- >> c=Z
- c =
- Columns 1 through 8
- 0 0 0 0 0 0 0 0
- 16 32 67 98 127 164 194 234
- 120 171 388 773 1086 1216 1770 2206
- 189 270 494 1978 2755 3134 5060 10469
- 133 166 183 348 647 937 1446 2304
- 192 162 154 113 161 189 266 482
- 0 0 0 0 0 0 0 0
- 0 0 0 0 0 0 0 0
- 0 0 0 0 0 0 0 0
- Columns 9 through 16
- 0 0 0 0 0 0 0 0
- 366 604 529 504 346 226 228 179
- 4027 11186 10276 5349 2560 1322 996 799
- 27413 76387 37949 15591 5804 2654 1803 1069
- 9844 24152 14772 4613 1777 849 459 290
- 1288 2623 1538 582 280 148 90 56
- 0 0 0 0 0 0 0 0
- 0 0 0 0 0 0 0 0
- 0 0 0 0 0 0 0 0
- Columns 17 through 21
- 0 0 0 0 0
- 108 94 79 0 0
- 646 476 612 0 0
- 884 858 722 0 0
- 266 215 139 0 0
- 48 48 31 0 0
- 0 0 0 0 0
- 0 0 0 0 0
- 0 0 0 0 0
- >> surf(X,Y,Z)
- doc colormapeditor
- %# add red (row 1), yellow (row 2), green (row 2)
- map = [1 0 0; 0 1 1; 0 1 0];
- %# set the new map as the current map
- colormap(map);
- colors = zeros(size(c)); %# create colors array
- colors(c <= 1803) = 1; %# red (1)
- colors(c > 1803 & c < 2755) = 2; %# yellow (2)
- colors(c >= 2755) = 3; %# green (3)
- %# and pass it into surf
- surf(a,b,c, colors)
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