51 lines
1.0 KiB
Matlab
51 lines
1.0 KiB
Matlab
% Copyright David Rowe 2009
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% This program is distributed under the terms of the GNU General Public License
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% Version 2
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function pl2(samname1, samname2, start_sam, end_sam, pngname)
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fs1=fopen(samname1,"rb");
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s1=fread(fs1,Inf,"short");
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fs2=fopen(samname2,"rb");
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s2=fread(fs2,Inf,"short");
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st = 1;
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en = length(s1);
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if (nargin >= 3)
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st = start_sam;
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endif
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if (nargin >= 4)
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en = end_sam;
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endif
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figure(1);
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clf;
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subplot(211);
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l1 = strcat("r;",samname1,";");
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plot(s1(st:en), l1);
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axis([1 en-st min(s1(st:en)) max(s1(st:en))]);
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subplot(212);
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l2 = strcat("r;",samname2,";");
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plot(s2(st:en),l2);
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axis([1 en-st min(s1(st:en)) max(s1(st:en))]);
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if (nargin == 5)
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% small image
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__gnuplot_set__ terminal png size 420,300
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s = sprintf("__gnuplot_set__ output \"%s.png\"", pngname);
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eval(s)
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replot;
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% larger image
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__gnuplot_set__ terminal png size 800,600
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s = sprintf("__gnuplot_set__ output \"%s_large.png\"", pngname);
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eval(s)
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replot;
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endif
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endfunction
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