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Nortek adcp4beams mark #784

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Nortek adcp4beams mark #784

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c385971
feat: Add Nortek script for 4-beam transformations ...
BecCowley Mar 9, 2022
bcb41c7
feat: Add code to allow signatureParse to read 4 beams.
BecCowley Mar 9, 2022
2dfb513
refactor: signatureParse
evacougnon Apr 28, 2022
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58 changes: 58 additions & 0 deletions Parser/+Nortek/read_nortek_header_key.m
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Original file line number Diff line number Diff line change
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function [value] = read_nortek_header_key(hstr,mode,key,vtype)
% function value = read_nortek_header_key(hstr,mode,key,vtype)
%
% Read a nortek value from a `key` name
% within a `mode` line from the header string `hstr`.
% The type of the variable is defined by `vtype`.
% See example.
%
% Inputs:
%
% hstr - the header string
% mode- the name of the mode or the first string in the line
% key - the name of the key
% vtype - the textscan type of the value [Optional]
% - default: 'float'
%
%
% Outputs:
%
% value - a single value
%
% Example:
%
% hstr = 'GETAVG1,ABC="CBA",MIAVG=600,ERR=0.00e-10';
% [value] = read_nortek_header_key(hstr,'GETAVG1','MIAVG','int');
% assert(value==600)
% [value] = read_nortek_header_key(hstr,'GETAVG1','ABC','str');
% assert(value=='CBA')
% [value] = read_nortek_header_key(hstr,'GETAVG1','ERR','float');
% assert(value==0.00e-10)
%
% author: hugo.oliveira@utas.edu.au
%
narginchk(4,4)

if strcmpi(vtype,'float')
mtype = '-?[\d.]+(?:[eE][-?+?\d+]\d+)?';
mfun = @str2double;
elseif strcmpi(vtype,'integer') || strcmpi(vtype,'int')
mtype = '\d+';
mfun = @str2double;
else
mtype = '".*?"';
mfun = @(x) strrep(x,'"','');
end

%header lines always start with command,key0=value0,key1=value1,...
re_match = ['(?<mode>(' mode '))' '(.*?)' key '={1}' '(?<value>(' mtype '))'];
data = regexpi(hstr,re_match,'names');

if ~isempty(data)
value = mfun(data.value);
else
error('Could not find key %s with type %s',key,vtype);
end

end

43 changes: 43 additions & 0 deletions Parser/+Nortek/transfer_matrix.m
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Original file line number Diff line number Diff line change
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function [Beam2xyz] = transfer_matrix(iA0_Header)
% function [Beam2xyz] = transfer_matrix(iA0_Header)
%
% get transfer function from adcp config command GETXFAVG
%
% Input:
% iA0_Header - the header string
%
% Output:
% Beam2xyz - transfer matrix to use to convert between ENU and beam
%
% Example
%
%
%

narginchk(1,1)

r = Nortek.read_nortek_header_key(iA0_Header,'GETXFAVG','ROWS','int');
Beam2xyz = zeros(r,r);

Beam2xyz(1,1) = Nortek.read_nortek_header_key(iA0_Header,'GETXFAVG','M11','float');
Beam2xyz(1,2) = Nortek.read_nortek_header_key(iA0_Header,'GETXFAVG','M12','float');
Beam2xyz(1,3) = Nortek.read_nortek_header_key(iA0_Header,'GETXFAVG','M13','float');
Beam2xyz(2,1) = Nortek.read_nortek_header_key(iA0_Header,'GETXFAVG','M21','float');
Beam2xyz(2,2) = Nortek.read_nortek_header_key(iA0_Header,'GETXFAVG','M22','float');
Beam2xyz(2,3) = Nortek.read_nortek_header_key(iA0_Header,'GETXFAVG','M23','float');
Beam2xyz(3,1) = Nortek.read_nortek_header_key(iA0_Header,'GETXFAVG','M31','float');
Beam2xyz(3,2) = Nortek.read_nortek_header_key(iA0_Header,'GETXFAVG','M32','float');
Beam2xyz(3,3) = Nortek.read_nortek_header_key(iA0_Header,'GETXFAVG','M33','float');

if r==4
Beam2xyz(1,4) = Nortek.read_nortek_header_key(iA0_Header,'GETXFAVG','M14','float');
Beam2xyz(2,4) = Nortek.read_nortek_header_key(iA0_Header,'GETXFAVG','M24','float');
Beam2xyz(3,4) = Nortek.read_nortek_header_key(iA0_Header,'GETXFAVG','M34','float');
Beam2xyz(4,1) = Nortek.read_nortek_header_key(iA0_Header,'GETXFAVG','M41','float');
Beam2xyz(4,2) = Nortek.read_nortek_header_key(iA0_Header,'GETXFAVG','M42','float');
Beam2xyz(4,3) = Nortek.read_nortek_header_key(iA0_Header,'GETXFAVG','M43','float');
Beam2xyz(4,4) = Nortek.read_nortek_header_key(iA0_Header,'GETXFAVG','M44','float');
end

end

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