source: trunk/src/name_generator.m @ 122

Last change on this file since 122 was 122, checked in by sommeria, 13 years ago
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1%'name_generator': creates a file name from a root name and indices.
2%------------------------------------------------------------------------
3% [filename,num_i1_out,num_j1_out,num_i2_out,num_j2_out,subdir_out]=...
4%        name_generator(filebase,num_i1,num_j1,ext,nom_type,comp_input,num_i2,num_j2,subdir);
5%------------------------------------------------------------------------           
6% This function detects the existence the constructed file name and it can
7% find indices according to file existence if they are not specified
8% rmq: this function is related to the reverse functions display2name and name2diplay
9%------------------------------------------------------------------------
10% OUTPUT:
11% filename: string representing the file name (including path)
12% num_i1_out,num_j1_out,num_i2_out,num_j2_out,subdir_out: index numbers and subdirectory detected
13%            for free input (= to the corresponding input indices when comp_input=1)
14%------------------------------------------------------------------------
15% INPUT:
16% 'filebase': the root name,
17% 'num_i1: first labelling index i
18% 'num_j1', first labelling index j
19% 'ext': file name extension (e.g. '.png' or '.nc')
20%nom_type: char chain characterizing the file nomenclature: with values
21%   nom_type='': constant name [filebase ext] (default output if 'nom_type' is undefined)
22%   nom_type='*':constant name for a file representing a series (e.g. avi movie)
23%   nom_type='1','01',or '001'...': series of files with a single index i without separator(e.g. 'aa045.png').
24%   nom_type='_1','_01','_001'...':  series of files with a single index i with separator '_'(e.g. 'aa_045.png').
25%   nom_type='1a','1A','01a','01A',... with a numerical index and an index letter(e.g.'aa45b.png') (lower or upper case)
26%   nom_type='_1a','_1A','_01a','_01A',...: idem, with a separator '_' before the index
27%   nom_type='_1_1','_01_1',...: matrix of files with two indices i and j separated by '_'(e.g. 'aa_45_2.png')
28%   nom_type='_i1-i2': from pairs from a single index (e.g. 'aa_45-47.nc')
29%   nom_type='_i_j1-j2': pairs of j indices (e.g. 'aa_45_2-3.nc')
30%   nom_type='_i1-i2_j': pairs of i indices (e.g. 'aa_45-46_2.nc')
31%   nom_type='_1_ab','1_ab','01_ab'..., from pairs of '#' images (e.g.'aa045bc.nc'), ext='.nc'
32%'comp_input' (for nom_type involving index pairs (e.g. netc))
33%       comp_input=1: the index pair is imposed,
34%       comp_input=0: the index pair is automatically searched, choosing the most recent  file in case of multiple choice
35% 'num_i2': second index i (for nom_type involving index pairs (e.g. netc))
36% 'num_j2': second index j (for nom_type involving index pairs (e.g. netc))
37% 'subdir': (used for nom_type=netc...) string representing the name of the subdirectory 'subdir' containing file.
38%       subdir='': no subdirectory,
39%       subdir='?', the file is first searched with no subdirectory, then in the most recently modified subdirectory if not detected.
40
41% A FAIRE: si comp_inpu=0, si _i_j n'existe pas, chercher _i,
42function [filename,num_i1_out,num_j1_out,num_i2_out,num_j2_out,subdir_out]=...
43           name_generator(filebase,num_i1,num_j1,ext,nom_type,comp_input,num_i2,num_j2,subdir)
44sizf=size(filebase);
45if (~ischar(filebase)||~isequal(sizf(1),1)),filebase='';end
46if ~exist('ext','var')
47    ext='';
48end
49if ~exist('nom_type','var')
50    nom_type='';
51end
52if ~ischar(ext),ext='';end
53idetect=0;
54if ~exist('num_i1','var') || isempty(num_i1) || isnan(num_i1)
55    num_i1=1; %default
56end
57if ~exist('num_j1','var') ||  isempty(num_j1) || isnan(num_j1)
58    num_j1=1; %default
59end
60if ~exist('num_i2','var') ||  isempty(num_i2) || isnan(num_i2)
61    num_i2=num_i1; %default
62end
63if ~exist('num_j2','var') || isempty(num_j2) || isnan(num_j2)
64    num_j2=num_j1; %default
65end
66if ~exist('subdir','var')|| isempty(subdir)
67    subdir='' ; %default
68end
69num_i1_out=num_i1;%default output
70num_j1_out=num_j1;%default output
71num_i2_out=num_i2;%default output
72num_j2_out=num_j2;%default output
73test_pairs=numel(nom_type)>=2 &&(strcmp(nom_type,'_i1-i2_j1-j2')|| strcmp(nom_type(end-1:end),'ab')|| strcmp(nom_type(end-1:end),'AB')||...
74                strcmp(nom_type,'_i_j1-j2')|| strcmp(nom_type,'_i1-i2_j')||strcmp(nom_type,'_i1-i2'));
75%test_2D= strcmp(nom_type(end-1:end),'ab')|| strcmp(nom_type(end-1:end),'AB') ||strcmp(nom_type,'_i_j1-j2');
76%test_3D=strcmp(nom_type,'_i1-i2_j')|| strcmp(nom_type,'_i1-i2');
77if ~isequal(subdir,'') && ~isequal(subdir,'?')
78      [Path,Name]=fileparts(filebase);
79      filename=fullfile(Path,subdir,Name);
80else
81    filename=filebase;%default
82end
83if ~test_pairs%case of a single index i, and possibly j
84    numlength=numel(nom_type);
85    num_j_str='';
86    if strcmp(nom_type(1),'_')
87        filename=[filename '_'];
88        nom_type(1)=[];
89    end
90    if strcmp(nom_type(end),'a')
91        nom_type(end)=[];
92        num_j_str=char(num_j1+96);% lower letter corresponding to the index
93    elseif strcmp(nom_type(end),'A')
94        nom_type(end)=[];
95        num_j_str=char(num_j1+64);% lower letter corresponding to the index
96    elseif isequal(numel(regexp(nom_type(2:end),'_')),1)%if a separator '_' exists in nom_type
97        num_j_str=['_' num2str(num_j1)];
98        nom_type(regexp(nom_type(2:end),'_'):end)=[];
99    else
100        num_j1_out=[];%no index j
101    end
102    if ~isempty(str2num(nom_type))   
103        numtype=['%0' num2str(length(nom_type)) 'd'];%indicate the number of digits (0 before the number)
104        filename=[filename num2str(num_i1,numtype) num_j_str ext];
105        num_i2_out=num_i1_out;
106        num_j2_out=num_j1_out;
107    else %fixed name , no indexing, for instance '*'
108%           filebasesub=filebase;
109        filename=[filename ext];
110    end
111%     if  strcmp(nom_type,'_i');
112%         filename=[filebase '_' num2str(num_i1) ext];
113%         num_i2_out=num_i1;
114%         num_j1_out=[];
115%         num_j2_out=[];
116%     elseif length(nom_type)==5 && strcmp(nom_type(1:3),'_%0')&& strcmp(nom_type(5),'d');
117%         filename=[filebase '_' num2str(num_i1,nom_type(2:5)) ext];
118%         num_i2_out=num_i1;
119%         num_j2_out=num_j1;
120%     elseif  strcmp(nom_type,'_i_j')
121%         filename=[filebase '_' num2str(num_i1) '_' num2str(num_j1) ext];
122%         num_i2_out=num_i1;
123%         num_j2_out=num_j1;
124%     elseif  strcmp(nom_type,'#a')| strcmp(nom_type,'#A')
125%         filename=[filebase num2str(num_i1,'%03d') num2stra(num_j1,nom_type) ext];
126%         num_i2_out=num_i1;
127%         num_j2_out=num_j1;
128%     elseif  length(nom_type)>=5 & strcmp(nom_type(2:3),'%0') & strcmp(nom_type(5),'d')  %strcmp(nom_type,'_%04dA') %camera PCO Toulouse
129%         filename=[filebase nom_type(1) num2str(num_i1,nom_type(2:4)) num2stra(num_j1,nom_type) ext];
130%         num_i2_out=num_i1;
131%         num_j2_out=num_j1;
132%     elseif  strcmp(nom_type,'#')
133%         filename=[filebase num2str(num_i1) ext];
134%         num_i2_out=num_i1;
135%         num_j1_out=[];
136%         num_j2_out=[];
137%     elseif length(nom_type)>=4 & strcmp(nom_type(1:2),'%0') & strcmp(nom_type(end),'d')
138%         filename=[filebase num2str(num_i1,nom_type) ext]; %test number with a 0 before
139%         num_i2_out=num_i1;
140%         num_j1_out=[];
141%         num_j2_out=[];
142%     elseif length(nom_type)>=4 & strcmp(nom_type(1:2),'%0') & strcmp(nom_type(end-1:end),'dA')
143%         filename=[filebase num2str(num_i1,nom_type(1:end-1)) num2stra(num_j1,'#A') ext]; %test number with a 0 before
144%         num_i2_out=num_i1;
145%         num_j1_out=[];
146%         num_j2_out=[];
147%     end
148%case of derived file indexing (e.g. netcdf files)
149else
150     %inexistant pair if num_i2=0 or num_j2=0
151%     if strcmp(num_i2,0)
152%         filename=[filebasesub '*-*_' num2str(num_i1) ext];
153%         return
154%     end
155%     if strcmp(num_j2,0)
156%         filename=[filebasesub '_' num2str(num_i1) '_*-*' ext];
157%         return
158%     end
159    % case of an imposed image pair (comp_input=1)
160    if  (exist('comp_input','var') && isequal(comp_input,1))
161            if strcmp(nom_type(1),'_')
162                filename=[filename '_'];
163                nom_type(1)=[];
164            end
165            if strcmp(nom_type(end-1:end),'AB')||strcmp(nom_type(end-1:end),'ab')
166                if strcmp(nom_type(end-1:end),'AB')
167                    nchar=64;
168                else
169                    nchar=96;
170                end
171                if isequal(num_j1,num_j2)% case of displacements at the same time
172                    num_j_str=char(num_j1+nchar);
173                else
174                    num_j_str=[char(num_j1+nchar) char(num_j2+nchar)];
175                end
176                if strcmp(nom_type(end-2),'_')
177                    numstr=['%0' num2str(numel(nom_type)-3) 'd'];
178                    num_j_str=['_' num_j_str];
179                else
180                    numstr=['%0' num2str(numel(nom_type)-2) 'd'];
181                end
182                filename=[filename num2str(num_i1,numstr) num_j_str ext];
183                num_i2_out=num_i1;
184            elseif isequal(nom_type,'i_j1-j2')
185                if isequal(num2str(num_j1),num2str(num_j2))% case of displacements at the same time
186                    filename=[filename num2str(num_i1) '_' num2str(num_j1) ext];
187                else
188                    filename=[filename num2str(num_i1) '_' num2str(num_j1) '-' num2str(num_j2) ext];
189                end
190                num_i2_out=num_i1;
191            elseif  isequal(nom_type,'i1-i2_j')
192                if isequal(num2str(num_i1),num2str(num_i2))% case of displacements at the same time
193                      filename=[filename num2str(num_i1) '_' num2str(num_j1) ext];
194                else
195                    filename=[filename num2str(num_i1) '-' num2str(num_i2) '_' num2str(num_j1) ext];
196                end
197                num_j2_out=num_j1;
198            elseif  isequal(nom_type,'i1-i2')
199                if isequal(num2str(num_i1),num2str(num_i2))% case of displacements at the same time
200                     filename=[filename num2str(num_i1) ext];
201                else
202                    filename=[filename num2str(num_i1) '-' num2str(num_i2) ext];
203                end
204                num_j2_out=num_j1;
205            elseif isequal(nom_type,'i1-i2_j1-j2')
206                if isequal(num2str(num_i1),num2str(num_i2))% case of displacements at the same time
207                    app1= [num2str(num_i1)];
208                else
209                    app1= [num2str(num_i1) '-' num2str(num_i2)];
210                end
211                if isequal(num2str(num_j1),num2str(num_j2))% case of displacements at the same time
212                    app2= [num2str(num_j1)];
213                else
214                    app2= [num2str(num_j1) '-' num2str(num_j2)];
215                end     
216                filename=[filename app1 '_' app2 ext];
217            end
218            idetect=1;
219           % idetect=(exist(filename,'file')==2);
220     % case of an image pair to determine (comp_input=0)
221    else
222          [filename,num_i1_out,num_j1_out,num_i2_out,num_j2_out,idetect]=search_pair(filename,num_i1,num_j1,num_i2,nom_type);
223    end
224   
225     %look for sub-directories containing netcdf files
226    if idetect==0 && isequal(subdir,'?')
227        [pathfile,name]=fileparts(filebase);
228        direct=dir(pathfile);%directory containing filebase
229        datedir=[];%default
230        idir=0;
231        indir=find(cell2mat({direct.isdir}));% find indices of subdirectories
232        direct=direct(indir([3:end]));% keep only the subdirectories,eliminating the two first terms '.' and '..'
233        lengthdir=length(direct);
234        if lengthdir==0
235            subdir='';% no subdirectory found
236        else
237            for idir=1:lengthdir
238                date_str=direct(idir).date;%string of the date of last modification
239                datedir(idir)=0;%default
240                char_code=double(date_str);% code of the date characters
241                special_char=(char_code>127); %non standard Ascii character (e.g. date in french)
242                if isempty(find(special_char))% standard Ascii character
243                    datedir(idir)=datenum(date_str);
244                end                           
245%                 datedir(idir)=datenum(direct(idir).date); %absolute date of last directory modification
246            end
247            [mostrec,indrec]=max(datedir);% most recently modified subdir chosen by default
248            subdir=direct(indrec).name; %chosen directory
249        end
250        filebasesub=fullfile(pathfile,subdir,name);
251        %if the image pair is imposed
252        if (exist('comp_input','var') & isequal(comp_input,1))
253            if isequal(nom_type,'netc_old')|isequal(nom_type,'#_ab')
254                filename=[filebasesub num2str(num_i1,'%03d') '_' num2stra(num_j1,nom_type) num2stra(num_j2,nom_type) ext];
255            elseif isequal(nom_type,'netc_2D')|isequal(nom_type,'_i1_j1-j2')
256                filename=[filebasesub '_' num2str(num_i1) '_' num2str(num_j1) '-' num2str(num_i2) ext];
257            elseif isequal(nom_type,'netc_3D')|isequal(nom_type,'_i1-i2_j')
258                filename=[filebasesub '_' num2str(num_i1) '-' num2str(num_i2) '_' num2str(num_j1) ext];
259            elseif isequal(nom_type,'netc_series')|isequal(nom_type,'_i1-i2')
260                filename=[filebasesub '_' num2str(num_i1) '-' num2str(num_i2) ext];
261            end
262            idetect=(exist(filename,'file')==2);
263        else
264            [filename,num_i1_out,num_j1_out,num_i2_out,num_j2_out,idetect]=search_pair(filebasesub,num_i1,num_j1,num_i2,nom_type);             
265        end
266    end
267end
268if ~isequal(subdir,'?'), subdir_out=subdir; else, subdir_out='';end;
269
270%------------------------------------------------------------------------
271% --- search the appropriate image pair (netcdf file) corresponding to a given image number
272function [filename,num_i1,num_j1,num_i2,num_j2,idetect]=search_pair(filebasesub,num_i1,num_j1,num_i2,nom_type)
273%------------------------------------------------------------------------
274% for nom_type=netc_2D or netc_old, it searches all the pairs corresponding
275% to num_i1, and chooses the most recent file.
276%for nom_type=netc_3D or netc_series, it searches all the pairs (num_i1
277%num_i2), with num_i1 as the first  index, and chooses the most recent file.
278
279filename=[];num_j2=[];idetect=0;%default values
280if isequal(nom_type,'netc_old')|isequal(nom_type,'#_ab')
281    dirpair=dir([filebasesub num2str(num_i1,'%03d') '_*.nc']);
282elseif isequal(nom_type,'netc_2D')|isequal(nom_type,'_i_j1-j2')
283    dirpair=dir([filebasesub '_' num2str(num_i1) '_*-*.nc']);
284elseif isequal(nom_type,'netc_3D')|isequal(nom_type,'_i1-i2_j')
285    dirpair=dir([filebasesub '_' num2str(num_i1) '-*_' num2str(num_j1) '.nc']);
286elseif isequal(nom_type,'netc_series')|isequal(nom_type,'_i1-i2')
287    dirpair=dir([filebasesub '_' num2str(num_i1) '-*.nc']);
288    if isempty(dirpair)
289        dirpair=dir([filebasesub '_*-' num2str(num_i2) '.nc']);
290    end
291end
292nbpair=length(dirpair);
293if nbpair >= 1 %choose the most recent file if several are found
294    idetect=1; %detected pair
295    for ipair=1:nbpair
296         date_str=dirpair(ipair).date;%string of the date of last modification
297         datepair(ipair)=0;%default
298         char_code=double(date_str);% code of the date characters
299         special_char=(char_code>127); %non standard Ascii character (e.g. date in french)
300         if isempty(find(special_char))% standard Ascii character
301             datepair(ipair)=datenum(date_str);
302         end   
303      %  datepair(ipair)=datenum(dirpair(ipair).date);
304    end
305    [choice,indpair]=max(datepair);
306%     [filebase,field_count,str2,str_a,str_b,ext,nom_type]=name2display(dirpair(indpair).name);
307    [pathname,file,field_count,str2,str_a,str_b,ext,nom_type]=name2display(dirpair(indpair).name);
308    num_i1=str2num(field_count);
309    num_i2=str2num(str2);
310    num_j1=stra2num(str_a);
311    num_j2=stra2num(str_b);
312     pathname=fileparts(filebasesub);% CORRIGE LE 6 JUIN (ETAIT DESACTIVE)
313    filename=fullfile(pathname,dirpair(indpair).name);
314end
315
316
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