profilesMatlabProcessing/profiles_IO_external/profiles_read_argo.m

function [varargout]=profile_read_argo(dataset,nf,m,varargin);
% read hydrographic data in the ARGO netcdf format
%  return the m-th profile from the nf-th file referenced in
%   dataset.fileInList.
%
% if m=0 :
%   dataset=profile_read_argo(dataset,nf,0);
%       dataset.nprofiles: number of profiles in the nf-th file
%       dataset.data_argo: argo data in a struct variable
%
% if m~=0 :
%   profileCur=profile_read_argo(dataset,nf,m);
%
% profileCur = (m-th profile of nf-th file)
%      pnum_txt: '5900841'
%           ymd: 20060101
%           hms: 3207
%           lat: -46.709
%           lon: 137.501
%         direc: 1
%             t: [1x115 single]
%             s: [1x115 single]
%             p: [1x115 single]
%         t_ERR: [1x115 single]
%         s_ERR: [1x115 single]
%     PorZisBAD: 0
%

fileIn=[dataset.dirIn dataset.fileInList(nf).name];

if m==0; % return the number of profile.
        
    %get the number of profiles:
    list_var={'JULD','LATITUDE','LONGITUDE','DIRECTION','PLATFORM_NUMBER',...
        'PRES_ADJUSTED_QC','PRES_QC','TEMP_ADJUSTED_QC','TEMP_QC','PSAL_ADJUSTED_QC','PSAL_QC'};
    argo_data=[];
    for ii=1:length(list_var),
        ncload(fileIn,list_var{ii});
        data=eval(list_var{ii});
        nc=ncopen(fileIn);
        FillVal=ncgetFillVal(nc,list_var{ii});
        ncclose(nc);
        if ischar(FillVal),
            data(strcmp(data,FillVal))=' ';
        else
            data(data==FillVal)=NaN;
        end
        argo_data=setfield(argo_data,list_var{ii},data);
    end
    list_var={'PRES_ADJUSTED','PRES','TEMP_ADJUSTED','TEMP','TEMP_ADJUSTED_ERROR',...
        'PSAL_ADJUSTED','PSAL','PSAL_ADJUSTED_ERROR'};
    for ii=1:length(list_var),
        ncload(fileIn,list_var{ii});
        data=double(eval(list_var{ii}));
        nc=ncopen(fileIn);
        FillVal=ncgetFillVal(nc,list_var{ii});
        ncclose(nc);
        data(data==FillVal)=NaN;
        argo_data=setfield(argo_data,list_var{ii},data);
    end
    
    dataset.argo_data=argo_data;
    dataset.nprofiles = length(JULD);
    
    varargout{1}=dataset;
    
else;%if m==0;
    
    % load data
    argo_data=dataset.argo_data;
    
    %date, position, etc
    juld=argo_data.JULD(m)+datenum(1950,1,1);
    [Y, M, D, H, MN, S] = datevec(juld);
    ymd=Y*1e4+M*1e2+D;
    hms=H*1e4+MN*1e2+S;
    
    lat=argo_data.LATITUDE(m);
    lon=argo_data.LONGITUDE(m); if lon < 0; lon=lon+360;end;
    
    direction=argo_data.DIRECTION(m);
    direc=0; 
    if(direction=='A');direc=1;end;
    if(direction=='D');direc=2;end
    
    pnum_txt=deblank(argo_data.PLATFORM_NUMBER(m,:));
    pnum_txt=pnum_txt(ismember(pnum_txt,'0123456789')); pnum=str2num(pnum_txt);
    if isempty(pnum_txt); pnum_txt='9999'; pnum=9999; disp(['no name for profile ' num2str(m)]); end;
    
    
    % pressure data
    
    p=argo_data.PRES_ADJUSTED(m,:);
    p_QC=argo_data.PRES_ADJUSTED_QC(m,:);
    if all(isnan(p)), p=argo_data.PRES(m,:); p_QC=argo_data.PRES_QC(m,:); end
    p_QC(isnan(p))='5';
    
    for n=1:length(p)-1; % doubles
        tmp1=find(p(n+1:end)==p(n)); p(n+tmp1)=NaN; p_QC(n+tmp1)='5';
    end
    
    bad_P=0;
    tmp1=find(p_QC=='4');
    if(length(tmp1)<=5);
        %get rid of these few bad points and keep the profile
        p(tmp1)=NaN;p_QC(tmp1)='5';
    else;
        %flag the profile (will be masked in the main file)
        %but keep the bad points (to interp and be able to CHECK)
        bad_P=1;
    end;
    
    % temperature data
    t=argo_data.TEMP_ADJUSTED(m,:);
    t_QC=argo_data.TEMP_ADJUSTED_QC(m,:);
    t_ERR=argo_data.TEMP_ADJUSTED_ERROR(m,:);
    t_ERR(isnan(t_ERR))=0;
    if all(isnan(t)), t=argo_data.TEMP(m,:); t_QC=argo_data.TEMP_QC(m,:); end

    %accomodate files that have no salinity
    if isempty(argo_data.PSAL);
      argo_data.PSAL=NaN*argo_data.TEMP;    
      argo_data.PSAL_QC=char(32*ones(size(argo_data.TEMP_ADJUSTED_QC)));
      argo_data.PSAL_ADJUSTED=NaN*argo_data.TEMP;
      argo_data.PSAL_ADJUSTED_ERROR=NaN*argo_data.TEMP;
      argo_data.PSAL_ADJUSTED_QC=char(32*ones(size(argo_data.TEMP_ADJUSTED_QC)));
    end;

    % salinity data
    s=argo_data.PSAL_ADJUSTED(m,:);
    s_QC=argo_data.PSAL_ADJUSTED_QC(m,:);
    s_ERR=argo_data.PSAL_ADJUSTED_ERROR(m,:);
    s_ERR(isnan(s_ERR))=0;
    if all(isnan(s)), s=argo_data.PSAL(m,:); s_QC=argo_data.PSAL_QC(m,:); end
    
    if isnan(t(1)); %this file does not contain temperature data...
        t=NaN*p; t_ERR=0*p;
    else;
        t(~ismember(t_QC,'12'))=NaN;
    end;
    if isnan(s(1)); %this file does not contain salinity data...
        s=NaN*p; s_ERR=0*p;
    else;
        s(~ismember(s_QC,'12'))=NaN;
    end;
    
    profileCur.pnum_txt=pnum_txt;
    profileCur.ymd=ymd; profileCur.hms=hms;
    profileCur.lat=lat; profileCur.lon=lon;
    profileCur.direc=direc;
    profileCur.t=t;
    profileCur.s=s;
    profileCur.p=p;
    profileCur.t_ERR=t_ERR;
    profileCur.s_ERR=s_ERR;
    profileCur.PorZisBAD=bad_P;
    
    varargout = {profileCur};
    
end;


1	roquet	1.3	function [varargout]=profile_read_argo(dataset,nf,m,varargin);
2			% read hydrographic data in the ARGO netcdf format
3			% return the m-th profile from the nf-th file referenced in
4			% dataset.fileInList.
5			%
6			% if m=0 :
7	roquet	1.5	% dataset=profile_read_argo(dataset,nf,0);
8			% dataset.nprofiles: number of profiles in the nf-th file
9			% dataset.data_argo: argo data in a struct variable
10	roquet	1.3	%
11			% if m~=0 :
12	roquet	1.5	% profileCur=profile_read_argo(dataset,nf,m);
13	roquet	1.3	%
14			% profileCur = (m-th profile of nf-th file)
15			% pnum_txt: '5900841'
16			% ymd: 20060101
17			% hms: 3207
18			% lat: -46.709
19			% lon: 137.501
20			% direc: 1
21			% t: [1x115 single]
22			% s: [1x115 single]
23			% p: [1x115 single]
24			% t_ERR: [1x115 single]
25			% s_ERR: [1x115 single]
26			% PorZisBAD: 0
27			%
28	gforget	1.1
29			fileIn=[dataset.dirIn dataset.fileInList(nf).name];
30
31	roquet	1.3	if m==0; % return the number of profile.
32	gforget	1.2
33	roquet	1.3	%get the number of profiles:
34			list_var={'JULD','LATITUDE','LONGITUDE','DIRECTION','PLATFORM_NUMBER',...
35	roquet	1.4	'PRES_ADJUSTED_QC','PRES_QC','TEMP_ADJUSTED_QC','TEMP_QC','PSAL_ADJUSTED_QC','PSAL_QC'};
36	roquet	1.3	argo_data=[];
37			for ii=1:length(list_var),
38			ncload(fileIn,list_var{ii});
39	roquet	1.4	data=eval(list_var{ii});
40			nc=ncopen(fileIn);
41			FillVal=ncgetFillVal(nc,list_var{ii});
42			ncclose(nc);
43			if ischar(FillVal),
44			data(strcmp(data,FillVal))=' ';
45			else
46			data(data==FillVal)=NaN;
47			end
48			argo_data=setfield(argo_data,list_var{ii},data);
49	gforget	1.2	end
50	roquet	1.4	list_var={'PRES_ADJUSTED','PRES','TEMP_ADJUSTED','TEMP','TEMP_ADJUSTED_ERROR',...
51			'PSAL_ADJUSTED','PSAL','PSAL_ADJUSTED_ERROR'};
52			for ii=1:length(list_var),
53			ncload(fileIn,list_var{ii});
54			data=double(eval(list_var{ii}));
55			nc=ncopen(fileIn);
56			FillVal=ncgetFillVal(nc,list_var{ii});
57			ncclose(nc);
58			data(data==FillVal)=NaN;
59			argo_data=setfield(argo_data,list_var{ii},data);
60			end
61
62	roquet	1.5	dataset.argo_data=argo_data;
63			dataset.nprofiles = length(JULD);
64	gforget	1.2
65	roquet	1.5	varargout{1}=dataset;
66	gforget	1.2
67	roquet	1.3	else;%if m==0;
68	gforget	1.2
69	roquet	1.3	% load data
70	roquet	1.5	argo_data=dataset.argo_data;
71	gforget	1.2
72			%date, position, etc
73	roquet	1.3	juld=argo_data.JULD(m)+datenum(1950,1,1);
74			[Y, M, D, H, MN, S] = datevec(juld);
75			ymd=Y1e4+M1e2+D;
76			hms=H1e4+MN1e2+S;
77	gforget	1.2
78	roquet	1.3	lat=argo_data.LATITUDE(m);
79			lon=argo_data.LONGITUDE(m); if lon < 0; lon=lon+360;end;
80	gforget	1.2
81	roquet	1.3	direction=argo_data.DIRECTION(m);
82			direc=0;
83			if(direction=='A');direc=1;end;
84			if(direction=='D');direc=2;end
85	gforget	1.2
86	roquet	1.3	pnum_txt=deblank(argo_data.PLATFORM_NUMBER(m,:));
87			pnum_txt=pnum_txt(ismember(pnum_txt,'0123456789')); pnum=str2num(pnum_txt);
88			if isempty(pnum_txt); pnum_txt='9999'; pnum=9999; disp(['no name for profile ' num2str(m)]); end;
89	gforget	1.2
90
91	roquet	1.3	% pressure data
92	gforget	1.2
93	roquet	1.3	p=argo_data.PRES_ADJUSTED(m,:);
94			p_QC=argo_data.PRES_ADJUSTED_QC(m,:);
95	roquet	1.4	if all(isnan(p)), p=argo_data.PRES(m,:); p_QC=argo_data.PRES_QC(m,:); end
96	roquet	1.3	p_QC(isnan(p))='5';
97	gforget	1.2
98	roquet	1.3	for n=1:length(p)-1; % doubles
99			tmp1=find(p(n+1:end)==p(n)); p(n+tmp1)=NaN; p_QC(n+tmp1)='5';
100	gforget	1.2	end
101
102			bad_P=0;
103			tmp1=find(p_QC=='4');
104			if(length(tmp1)<=5);
105			%get rid of these few bad points and keep the profile
106	roquet	1.3	p(tmp1)=NaN;p_QC(tmp1)='5';
107	gforget	1.2	else;
108			%flag the profile (will be masked in the main file)
109			%but keep the bad points (to interp and be able to CHECK)
110			bad_P=1;
111			end;
112
113	roquet	1.3	% temperature data
114			t=argo_data.TEMP_ADJUSTED(m,:);
115			t_QC=argo_data.TEMP_ADJUSTED_QC(m,:);
116			t_ERR=argo_data.TEMP_ADJUSTED_ERROR(m,:);
117			t_ERR(isnan(t_ERR))=0;
118	roquet	1.4	if all(isnan(t)), t=argo_data.TEMP(m,:); t_QC=argo_data.TEMP_QC(m,:); end
119	gforget	1.6
120			%accomodate files that have no salinity
121			if isempty(argo_data.PSAL);
122			argo_data.PSAL=NaN*argo_data.TEMP;
123			argo_data.PSAL_QC=char(32*ones(size(argo_data.TEMP_ADJUSTED_QC)));
124			argo_data.PSAL_ADJUSTED=NaN*argo_data.TEMP;
125			argo_data.PSAL_ADJUSTED_ERROR=NaN*argo_data.TEMP;
126			argo_data.PSAL_ADJUSTED_QC=char(32*ones(size(argo_data.TEMP_ADJUSTED_QC)));
127			end;
128
129	roquet	1.3	% salinity data
130			s=argo_data.PSAL_ADJUSTED(m,:);
131			s_QC=argo_data.PSAL_ADJUSTED_QC(m,:);
132			s_ERR=argo_data.PSAL_ADJUSTED_ERROR(m,:);
133			s_ERR(isnan(s_ERR))=0;
134	roquet	1.4	if all(isnan(s)), s=argo_data.PSAL(m,:); s_QC=argo_data.PSAL_QC(m,:); end
135	gforget	1.2
136	roquet	1.3	if isnan(t(1)); %this file does not contain temperature data...
137	gforget	1.2	t=NaNp; t_ERR=0p;
138			else;
139	roquet	1.3	t(~ismember(t_QC,'12'))=NaN;
140	gforget	1.2	end;
141	roquet	1.3	if isnan(s(1)); %this file does not contain salinity data...
142			s=NaNp; s_ERR=0p;
143	gforget	1.2	else;
144	roquet	1.3	s(~ismember(s_QC,'12'))=NaN;
145	gforget	1.2	end;
146
147			profileCur.pnum_txt=pnum_txt;
148			profileCur.ymd=ymd; profileCur.hms=hms;
149			profileCur.lat=lat; profileCur.lon=lon;
150			profileCur.direc=direc;
151			profileCur.t=t;
152			profileCur.s=s;
153			profileCur.p=p;
154			profileCur.t_ERR=t_ERR;
155			profileCur.s_ERR=s_ERR;
156			profileCur.PorZisBAD=bad_P;
157
158			varargout = {profileCur};
159
160	gforget	1.1	end;
161
162
163