Sam Perry
32 lines
1.3 KiB
Matlab
32 lines
1.3 KiB
Matlab
% Declare a function that takes a signle argument (the file path) and returns a
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% 'data' object containing the data parsed from the file object. A count
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% integer is also returned with the number of entries read from file.
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function [data, count] = readbuoydata(datafile)
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% Create a file object with the path provided by the 'datafile' variable
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fid = fopen(datafile,'r');
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% Read first two header lines of file so that they are ignored in
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% processing below.
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tline = fgetl(fid);
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tline = fgetl(fid);
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% Parse each line of the file from line 3 onwards and store in variable 'A'
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% first argument specifies the file object.
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% second arguments specifies the data type to expect for each of the 10
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% elements per line.
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% the third argument specifies to read 10 elements per line, and to read
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% until the end of the file.
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[A,count] = fscanf(fid,'%d %d %d %d %d %f %f %d %f %f',[10 inf]);
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% Creates a member of the data object that contains dates in the 'serial
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% date number' format
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data.date = datenum([A(1:5,:); zeros(1,size(A,2))]')';
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data.Hs = A(6,:); % significant wave height
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data.Tp = A(7,:); % peak period
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data.Dp = A(8,:); % peak period direction
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data.Ta = A(9,:); % average period
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data.SST = A(10,:); % sea surface temperature
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% Close the file
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fclose(fid);
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