source: trunk/src/series/aver_stat.m @ 1061

Last change on this file since 1061 was 1061, checked in by g7moreau, 2 years ago
  • Update copyright to year 2019
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1%'aver_stat': calculate field average over a time series
2%------------------------------------------------------------------------
3% function ParamOut=aver_stat(Param)
4%
5%%%%%%%%%%% GENERAL TO ALL SERIES ACTION FCTS %%%%%%%%%%%%%%%%%%%%%%%%%%%
6%
7%OUTPUT
8% ParamOut: sets options in the GUI series.fig needed for the function
9%
10%INPUT:
11% In run mode, the input parameters are given as a Matlab structure Param copied from the GUI series.
12% In batch mode, Param is the name of the corresponding xml file containing the same information
13% when Param.Action.RUN=0 (as activated when the current Action is selected
14% in series), the function ouput paramOut set the activation of the needed GUI elements
15%
16% Param contains the elements:(use the menu bar command 'export/GUI config' in series to
17% see the current structure Param)
18%    .InputTable: cell of input file names, (several lines for multiple input)
19%                      each line decomposed as {RootPath,SubDir,Rootfile,NomType,Extension}
20%    .OutputSubDir: name of the subdirectory for data outputs
21%    .OutputDirExt: directory extension for data outputs
22%    .Action: .ActionName: name of the current activated function
23%             .ActionPath:   path of the current activated function
24%             .ActionExt: fct extension ('.m', Matlab fct, '.sh', compiled   Matlab fct
25%             .RUN =0 for GUI input, =1 for function activation
26%             .RunMode='local','background', 'cluster': type of function  use
27%
28%    .IndexRange: set the file or frame indices on which the action must be performed
29%    .FieldTransform: .TransformName: name of the selected transform function
30%                     .TransformPath:   path  of the selected transform function
31%    .InputFields: sub structure describing the input fields withfields
32%              .FieldName: name(s) of the field
33%              .VelType: velocity type
34%              .FieldName_1: name of the second field in case of two input series
35%              .VelType_1: velocity type of the second field in case of two input series
36%              .Coord_y: name of y coordinate variable
37%              .Coord_x: name of x coordinate variable
38%    .ProjObject: %sub structure describing a projection object (read from ancillary GUI set_object)
39%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
40
41%=======================================================================
42% Copyright 2008-2019, LEGI UMR 5519 / CNRS UGA G-INP, Grenoble, France
43%   http://www.legi.grenoble-inp.fr
44%   Joel.Sommeria - Joel.Sommeria (A) legi.cnrs.fr
45%
46%     This file is part of the toolbox UVMAT.
47%
48%     UVMAT is free software; you can redistribute it and/or modify
49%     it under the terms of the GNU General Public License as published
50%     by the Free Software Foundation; either version 2 of the license,
51%     or (at your option) any later version.
52%
53%     UVMAT is distributed in the hope that it will be useful,
54%     but WITHOUT ANY WARRANTY; without even the implied warranty of
55%     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
56%     GNU General Public License (see LICENSE.txt) for more details.
57%=======================================================================
58
59function ParamOut=aver_stat(Param)
60
61%% set the input elements needed on the GUI series when the action is selected in the menu ActionName
62if isstruct(Param) && isequal(Param.Action.RUN,0)% function activated from the GUI series but not RUN
63    ParamOut.AllowInputSort='off';% allow alphabetic sorting of the list of input file SubDir (options 'off'/'on', 'off' by default)
64    ParamOut.WholeIndexRange='off';% prescribes the file index ranges from min to max (options 'off'/'on', 'off' by default)
65    ParamOut.NbSlice='on'; %nbre of slices ('off' by default)
66    ParamOut.VelType='two';% menu for selecting the velocity type (options 'off'/'one'/'two',  'off' by default)
67    ParamOut.FieldName='two';% menu for selecting the field (s) in the input file(options 'off'/'one'/'two', 'off' by default)
68    ParamOut.FieldTransform = 'on';%can use a transform function
69    ParamOut.ProjObject='on';%can use projection object(option 'off'/'on',
70    ParamOut.Mask='off';%can use mask option   (option 'off'/'on', 'off' by default)
71    ParamOut.OutputDirExt='.stat';%set the output dir extension
72    ParamOut.OutputFileMode='NbSlice';% '=NbInput': one output file per input file index, '=NbInput_i': one file per input file index i, '=NbSlice': one file per slice
73    % check for selection of a projection object
74    hseries=findobj(allchild(0),'Tag','series');% handles of the GUI series
75    if  ~isfield(Param,'ProjObject')
76        answer=msgbox_uvmat('INPUT_Y-N','use a projection object?');
77        if strcmp(answer,'Yes')
78            hhseries=guidata(hseries);
79            set(hhseries.CheckObject,'Visible','on')
80            set(hhseries.CheckObject,'Value',1)
81            Param.CheckObject=1;
82            series('CheckObject_Callback',hseries,[],hhseries); %file input with xml reading  in uvmat, show the image in phys coordinates
83        end
84    end
85    % introduce bin size for histograms
86    if isfield(Param,'CheckObject') && Param.CheckObject
87        SeriesData=get(hseries,'UserData');
88        if ismember(SeriesData.ProjObject.ProjMode,{'inside','outside'})
89            answer=msgbox_uvmat('INPUT_TXT','set bin size for histograms (or keep ''auto'' by default)?','auto');
90            ParamOut.ActionInput.VarMesh=str2num(answer);
91        end
92    end
93    % check the existence of the first and last file in the series
94    first_j=[];
95    if isfield(Param.IndexRange,'first_j'); first_j=Param.IndexRange.first_j; end
96    last_j=[];
97    if isfield(Param.IndexRange,'last_j'); last_j=Param.IndexRange.last_j; end
98    PairString='';
99    if isfield(Param.IndexRange,'PairString'); PairString=Param.IndexRange.PairString; end
100    [i1,i2,j1,j2] = get_file_index(Param.IndexRange.first_i,first_j,PairString);
101    FirstFileName=fullfile_uvmat(Param.InputTable{1,1},Param.InputTable{1,2},Param.InputTable{1,3},...
102        Param.InputTable{1,5},Param.InputTable{1,4},i1,i2,j1,j2);
103    if ~exist(FirstFileName,'file')
104        msgbox_uvmat('WARNING',['the first input file ' FirstFileName ' does not exist'])
105    else
106        [i1,i2,j1,j2] = get_file_index(Param.IndexRange.last_i,last_j,PairString);
107        LastFileName=fullfile_uvmat(Param.InputTable{1,1},Param.InputTable{1,2},Param.InputTable{1,3},...
108            Param.InputTable{1,5},Param.InputTable{1,4},i1,i2,j1,j2);
109        if ~exist(LastFileName,'file')
110            msgbox_uvmat('WARNING',['the last input file ' LastFileName ' does not exist'])
111        end
112    end
113    % determine volume scan mode
114    prompt = {'volume scan mode (Yes/No)'};
115    dlg_title = 'determine volume scan';
116    num_lines= 1;
117    def     = { 'No'};
118    answer=msgbox_uvmat('INPUT_Y-N','volume scan mode (OK/No)?');
119    %     answer = inputdlg(prompt,dlg_title,num_lines,def);
120    if isempty(answer)
121        return
122    end
123    %check input consistency
124    if strcmp(answer,'Yes')
125        ParamOut.NbSlice=1;% set NbSlice to 1 ( for i index)
126        ParamOut.ActionInput.CheckVolume=1;
127    end
128    return
129end
130
131%%%%%%%%%%%%  STANDARD PART  %%%%%%%%%%%%
132ParamOut=[];%default output
133%% read input parameters from an xml file if input is a file name (batch mode)
134checkrun=1;
135if ischar(Param)
136    Param=xml2struct(Param);% read Param as input file (batch case)
137    checkrun=0;
138end
139hseries=findobj(allchild(0),'Tag','series');
140RUNHandle=findobj(hseries,'Tag','RUN');%handle of RUN button in GUI series
141WaitbarHandle=findobj(hseries,'Tag','Waitbar');%handle of waitbar in GUI series
142
143%% define the directory for result file (with path=RootPath{1})
144OutputDir=[Param.OutputSubDir Param.OutputDirExt];
145
146%% root input file(s) name, type and index series
147RootPath=Param.InputTable(:,1);
148RootFile=Param.InputTable(:,3);
149SubDir=Param.InputTable(:,2);
150NomType=Param.InputTable(:,4);
151FileExt=Param.InputTable(:,5);
152
153hdisp=disp_uvmat('WAITING...','checking the file series',checkrun);
154% gives the series of input file names and indices set by the input parameters:
155[filecell,i1_series,i2_series,j1_series,j2_series]=get_file_series(Param);
156% filecell{iview,fileindex}:
157%        iview: line in the table corresponding to a given file series
158%        fileindex: file index with i and j reshaped as a 1D array
159% i1_series(iview,ref_j,ref_i)... are the corresponding arrays of indices i1,i2,j1,j2, depending on the input line iview and the two reference indices ref_i,ref_j
160% i1_series(iview,fileindex) expresses the same indices as a 1D array in file indices
161if ~isempty(hdisp),delete(hdisp),end;%end the waiting display
162
163NbView=numel(i1_series);%number of input file series (lines in InputTable)
164NbField_j=size(i1_series{1},1); %nb of fields for the j index (bursts or volume slices)
165NbField_i=size(i1_series{1},2); %nb of fields for the i index
166NbField=NbField_j*NbField_i; %total number of fields
167
168%% determine the file type on each line from the first input file
169NcTypeOptions={'netcdf','civx','civdata'};
170for iview=1:NbView
171    if ~exist(filecell{iview,1}','file')
172        disp_uvmat('ERROR',['the first input file ' filecell{iview,1} ' does not exist'],checkrun)
173        return
174    end
175    [FileInfo{iview},MovieObject{iview}]=get_file_info(filecell{iview,1});
176    FileType{iview}=FileInfo{iview}.FileType;
177    CheckImage{iview}=strcmp(FileInfo{iview}.FieldType,'image');% =1 for images
178    CheckNc{iview}=~isempty(find(strcmp(FileType{iview},NcTypeOptions)));% =1 for netcdf files
179    if ~isempty(j1_series{iview})
180        frame_index{iview}=j1_series{iview};
181    else
182        frame_index{iview}=i1_series{iview};
183    end
184end
185
186%% calibration data and timing: read the ImaDoc files
187[XmlData,NbSlice_calib,time,errormsg]=read_multimadoc(RootPath,SubDir,RootFile,FileExt,i1_series,i2_series,j1_series,j2_series);
188if size(time,1)>1
189    diff_time=max(max(diff(time)));
190    if diff_time>0
191        disp_uvmat('WARNING',['times of series differ by (max) ' num2str(diff_time)],checkrun)
192    end
193end
194
195%% coordinate transform or other user defined transform
196transform_fct='';%default
197if isfield(Param,'FieldTransform')&&~isempty(Param.FieldTransform.TransformName)
198    addpath(Param.FieldTransform.TransformPath)
199    transform_fct=str2func(Param.FieldTransform.TransformName);
200    rmpath(Param.FieldTransform.TransformPath)
201    if isfield(Param,'TransformInput')
202        XmlData{1}.TransformInput=Param.TransformInput;
203    end
204end
205
206%%%%%%%%%%%% END STANDARD PART  %%%%%%%%%%%%
207% EDIT FROM HERE
208
209%% check the validity of  input file types and set the output file type
210if CheckImage{1}
211    FileExtOut='.png'; % write result as .png images for image inputs
212elseif CheckNc{1}
213    FileExtOut='.nc';% write result as .nc files for netcdf inputs
214else
215    disp_uvmat('ERROR',['invalid file type input ' FileType{1}],checkrun)
216    return
217end
218if NbView==2 && ~isequal(CheckImage{1},CheckImage{2})
219    disp_uvmat('ERROR','input must be two image series or two netcdf file series',checkrun)
220    return
221end
222if isfield(Param,'ProjObject') && ~strcmp(Param.ProjObject.Type,'plane')
223    FileExtOut='.nc';% write result as .nc files (even for image input)
224end
225
226%% settings for the output file
227NomTypeOut=nomtype2pair(NomType{1});% determine the index nomenclature type for the output file
228first_i=i1_series{1}(1);
229last_i=i1_series{1}(end);
230if isempty(j1_series{1})% if there is no second index j
231    first_j=1;last_j=1;
232else
233    first_j=j1_series{1}(1);
234    last_j=j1_series{1}(end);
235end
236
237%% Set field names and velocity types
238InputFields{1}=[];%default (case of images)
239if NbView==2
240    InputFields{2}=[];%default (case of images)
241end
242if isfield(Param,'InputFields')
243    InputFields{1}=Param.InputFields;
244    if NbView==2
245        InputFields{2}=Param.InputFields;%default
246        if isfield(Param.InputFields,'FieldName_1')
247            InputFields{2}.FieldName=Param.InputFields.FieldName_1;
248            if isfield(Param.InputFields,'VelType_1')
249                InputFields{2}.VelType=Param.InputFields.VelType_1;
250            end
251        end
252    end
253end
254
255VarMesh=[];
256if isfield(Param,'ProjObject') && ismember(Param.ProjObject.ProjMode,{'inside','outside'})
257    if isfield(Param,'ActionInput') && isfield(Param.ActionInput,'VarMesh')%case of histograms
258        VarMesh=Param.ActionInput.VarMesh;
259    else
260        VarMesh=[];
261        disp_uvmat('WARNING','automatic bin size for histograms, select aver_stat again to set the value',checkrun)
262    end
263end
264
265NbSlice_j=1;% number of j slices =1 except fo volume scan
266index_series=1:size(filecell,2);
267index_j=1;
268
269%% set volume scan if requested
270first_j_out=first_j;%first j index to use  for the output file name
271last_j_out=last_j;%last j index to use for the output file name
272if isfield(Param,'ActionInput') && isfield(Param.ActionInput,'CheckVolume') ...
273        && Param.ActionInput.CheckVolume
274    index_j=Param.IndexRange.first_j:Param.IndexRange.incr_j:Param.IndexRange.last_j;
275    NbSlice_j=numel(index_j);
276    index_series=1:NbSlice_j:size(filecell,2);
277end
278
279%% loop on j slices (volume scan)
280for islice=index_j
281    nbfiles=0;%counter of the successfully read files (bad files are skipped)
282    if NbSlice_j>1
283        first_j_out=islice;%first and last  j index to use  for the output file name are the current j index
284        last_j_out=islice;
285    end
286    %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
287    %%%%%%%%%%%%%%%% loop on field indices %%%%%%%%%%%%%%%%
288    for index=index_series+index_j(islice)-index_j(1)
289        update_waitbar(WaitbarHandle,index/NbField)
290        if ~isempty(RUNHandle)&& ~strcmp(get(RUNHandle,'BusyAction'),'queue')
291            disp('program stopped by user')
292            break
293        end
294       
295        %%%%%%%%%%%%%%%% loop on views (input lines) %%%%%%%%%%%%%%%%
296        for iview=1:NbView
297            % reading input file(s)
298            [Data{iview},tild,errormsg] = read_field(filecell{iview,index},FileType{iview},InputFields{iview},frame_index{iview}(index));
299            if ~isempty(errormsg)
300                errormsg=['error of input reading: ' errormsg];
301                break% leave the loop on views in case of error
302            end
303            if ~isempty(NbSlice_calib)
304                Data{iview}.ZIndex=mod(i1_series{iview}(index)-1,NbSlice_calib{iview})+1;%Zindex for phys transform
305            end
306        end
307        %%%%%%%%%%%%%%%% end loop on views (input lines) %%%%%%%%%%%%%%%%
308       
309        if ~isempty(errormsg)
310            disp(errormsg)
311            continue % go to next input field in case of error (file skipped in the average)
312        end
313        Field=Data{1}; % default input field structure
314        nbfiles=nbfiles+1; %increment the file counter
315       
316        %% coordinate transform (or other user defined transform)
317        if ~isempty(transform_fct)
318            switch nargin(transform_fct)
319                case 4
320                    if length(Data)==2
321                        Field=transform_fct(Data{1},XmlData{1},Data{2},XmlData{2});
322                    else
323                        Field=transform_fct(Data{1},XmlData{1});
324                    end
325                case 3
326                    if length(Data)==2
327                        Field=transform_fct(Data{1},XmlData{1},Data{2});
328                    else
329                        Field=transform_fct(Data{1},XmlData{1});
330                    end
331                case 2
332                    Field=transform_fct(Data{1},XmlData{1});
333                case 1
334                    Field=transform_fct(Data{1});
335            end
336        end
337       
338        %% field projection on an object
339        if Param.CheckObject
340            if strcmp(Param.ProjObject.ProjMode,'interp_tps')
341                Field=tps_coeff_field(Field,check_proj_tps);% calculate tps coefficients if needed
342            end
343            [Field,errormsg]=proj_field(Field,Param.ProjObject,VarMesh);
344            if ~isempty(errormsg)
345                disp_uvmat('ERROR',['error in aver_stat/proj_field:' errormsg],checkrun)
346                return
347            end
348        end
349       
350        %%%%%%%%%%%% MAIN RUNNING OPERATIONS  %%%%%%%%%%%%
351        if nbfiles==1 %first field
352            time_1=[];
353            if isfield(Field,'Time')
354                time_1=Field.Time(1);
355            end
356            DataOut=Field;%outcome reproduces the first (projected) field by default
357            DataOut.Conventions='uvmat'; %suppress Conventions='uvmat/civdata' for civ input files
358            if isfield(Param,'ProjObject')&& ismember(Param.ProjObject.ProjMode,{'inside','outside'})%case of histograms
359                for ivar=1:numel(Field.ListVarName)% list of variable names before projection (histogram)
360                    VarName=Field.ListVarName{ivar};
361                    if isfield(Data{1},VarName)
362                        DataOut.(VarName)=Field.(VarName);
363                        DataOut.([VarName 'Histo'])=zeros(size(DataOut.(VarName)));
364                        VarMesh=DataOut.(VarName)(2)-DataOut.(VarName)(1);
365                    end
366                end
367                disp(['mesh for histogram = ' num2str(VarMesh)])
368            else
369                errorvar=zeros(numel(Field.ListVarName));%index of errorflag associated to each variable
370                if isfield(Field,'VarAttribute')
371                    for ivar=1:numel(Field.ListVarName)
372                        VarName=Field.ListVarName{ivar};
373                        DataOut.(VarName)=zeros(size(DataOut.(VarName)));% initiate each field to zero
374                        NbData.(VarName)=zeros(size(DataOut.(VarName)));% initiate the nbre of good data to zero
375                       
376                        for iivar=1:length(Field.VarAttribute)
377                            if isequal(Field.VarDimName{iivar},Field.VarDimName{ivar})&& isfield(Field.VarAttribute{iivar},'Role')...
378                                    && strcmp(Field.VarAttribute{iivar}.Role,'errorflag')
379                                errorvar(ivar)=iivar; % index of the errorflag variable corresponding to ivar
380                            end
381                        end
382                    end
383                    DataOut.ListVarName(errorvar(errorvar~=0))=[]; %remove errorflag from result
384                    DataOut.VarDimName(errorvar(errorvar~=0))=[]; %remove errorflag from result
385                    DataOut.VarAttribute(errorvar(errorvar~=0))=[]; %remove errorflag from result
386                else
387                    for ivar=1:numel(Field.ListVarName)
388                        VarName=Field.ListVarName{ivar};
389                        DataOut.(VarName)=zeros(size(DataOut.(VarName)));% initiate each field to zero
390                        NbData.(VarName)=zeros(size(DataOut.(VarName)));% initiate the nbre of good data to zero
391                    end
392                end
393               
394            end
395        end   %current field
396        for ivar=1:length(DataOut.ListVarName)
397            VarName=DataOut.ListVarName{ivar};
398            sizmean=size(DataOut.(VarName));
399            siz=size(Field.(VarName));
400            if isfield(Param,'ProjObject') && ismember(Param.ProjObject.ProjMode,{'inside','outside'})
401                if isfield(Data{1},VarName)
402                    MaxValue=max(DataOut.(VarName));% current max of histogram absissa
403                    MinValue=min(DataOut.(VarName));% current min of histogram absissa
404                    %                     VarMesh=Field.VarAttribute{ivar}.Mesh;
405                    MaxIndex=round(MaxValue/VarMesh);
406                    MinIndex=round(MinValue/VarMesh);
407                    MaxIndex_new=round(max(Field.(VarName)/VarMesh));% max of the current field
408                    MinIndex_new=round(min(Field.(VarName)/VarMesh));
409                    if MaxIndex_new>MaxIndex% the variable max for the current field exceeds the previous one
410                        DataOut.(VarName)=[DataOut.(VarName) VarMesh*(MaxIndex+1:MaxIndex_new)];% append the new variable values
411                        DataOut.([VarName 'Histo'])=[DataOut.([VarName 'Histo']) zeros(1,MaxIndex_new-MaxIndex)]; % append the new histo values
412                    end
413                    if MinIndex_new <= MinIndex-1
414                        DataOut.(VarName)=[VarMesh*(MinIndex_new:MinIndex-1) DataOut.(VarName)];% insert the new variable values
415                        DataOut.([VarName 'Histo'])=[zeros(1,MinIndex-MinIndex_new) DataOut.([VarName 'Histo'])];% insert the new histo values
416                        ind_start=1;
417                    else
418                        ind_start=MinIndex_new-MinIndex+1;
419                    end
420                    DataOut.([VarName 'Histo'])(ind_start:ind_start+MaxIndex_new-MinIndex_new)=...
421                        DataOut.([VarName 'Histo'])(ind_start:ind_start+MaxIndex_new-MinIndex_new)+Field.([VarName 'Histo']);
422                end
423            elseif ~isequal(DataOut.(VarName),0)&& ~isequal(siz,sizmean)
424                disp_uvmat('ERROR',['unequal size of input field ' VarName ', need to project  on a grid'],checkrun)
425                return
426            else
427                if errorvar(ivar)==0
428                    check_bad=isnan(Field.(VarName));%=0 for NaN data values, 1 else
429                else
430                    check_bad=isnan(Field.(VarName)) | Field.(Field.ListVarName{errorvar(ivar)})~=0;%=0 for NaN or error flagged data values, 1 else
431                end
432                Field.(VarName)(check_bad)=0; %set to zero NaN or data marked by error flag
433                DataOut.(VarName)=DataOut.(VarName)+ double(Field.(VarName)); % update the sum
434                NbData.(VarName)=NbData.(VarName)+ ~check_bad;% records the number of data for each point
435            end
436        end
437        %%%%%%%%%%%%   END MAIN RUNNING OPERATIONS  %%%%%%%%%%%%
438    end
439    %%%%%%%%%%%%%%%% end loop on field indices %%%%%%%%%%%%%%%%
440   
441    if ~(isfield(Param,'ProjObject') && ismember(Param.ProjObject.ProjMode,{'inside','outside'}))
442        for ivar=1:length(Field.ListVarName)
443            VarName=Field.ListVarName{ivar};
444            DataOut.(VarName)=DataOut.(VarName)./NbData.(VarName); % normalize the mean
445        end
446    end
447    nbmissing=numel(index_series+index_j(islice)-index_j(1))-nbfiles;
448    if nbmissing~=0
449        if NbSlice_j==1
450        disp_uvmat('WARNING',[num2str(nbmissing) ' input files are missing or skipped'],checkrun)
451        else
452            disp(['WARNING: ' num2str(nbmissing) ' input files are missing or skipped in slice ' num2str(islice)])
453        end
454    end
455    if isempty(time) % time is read from files
456        if isfield(Field,'Time')
457            time_end=Field.Time(1);%last time read
458            if ~isempty(time_1)
459                DataOut.Time=time_1;
460                DataOut.Time_end=time_end;
461            end
462        end
463    else  % time from ImaDoc prevails if it exists
464        DataOut.Time=time(1);
465        DataOut.Time_end=time(end);
466    end
467   
468    %% writing the result file
469    OutputFile=fullfile_uvmat(RootPath{1},OutputDir,RootFile{1},FileExtOut,NomTypeOut,first_i,last_i,first_j_out,last_j_out);
470    if strcmp(FileExtOut,'.png') %case of images
471        if isequal(FileInfo{1}.BitDepth,16)||(numel(FileInfo)==2 &&isequal(FileInfo{2}.BitDepth,16))
472            DataOut.A=uint16(DataOut.A);
473            imwrite(DataOut.A,OutputFile,'BitDepth',16); % case of 16 bit images
474        else
475            DataOut.A=uint8(DataOut.A);
476            imwrite(DataOut.A,OutputFile,'BitDepth',8); % case of 16 bit images
477        end
478        disp([OutputFile ' written']);
479    else %case of netcdf  file , determine global attributes
480        errormsg=struct2nc(OutputFile,DataOut); %save result file
481        if isempty(errormsg)
482            disp([OutputFile ' written']);
483        else
484            disp(['error in writting result file: ' errormsg])
485        end
486    end  % end averaging  loop
487end
488
489%% open the result file with uvmat (in RUN mode)
490if checkrun
491    uvmat(OutputFile)% open the last result file with uvmat
492end
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