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function []=netcdf_ecco_mask(rep_data,file_data,x00,y00); |
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% |
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%object: reads a pkg/profiles netcdf file and masks all profiles that are out of a given region |
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% |
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%input: |
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% rep_data, file_data |
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% x00 and y00 (vectors) broken line that defines the region of interest. |
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%For example: x00=[300 340 340 300 300]; y00=[60 60 70 70 60]; |
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% |
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%result: [rep_data 'masked_' file_data] |
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%rep_data='./'; file_data='fileCur.nc'; |
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%x00=[300 340 340 300 300]; y00=[60 60 70 70 60]; |
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%flag valid profiles: |
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%-------------------- |
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eval(['ncload ' rep_data file_data ' prof_lon prof_lat;']); |
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prof_lonALL=prof_lon; prof_latALL= prof_lat; |
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flag_profiles=zeros(size(prof_lonALL)); |
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length_div=1e3; |
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num_div=ceil(length(prof_lonALL)/length_div); |
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for cur_div=1:num_div |
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list_profiles0=[(cur_div-1)*length_div+1:min(cur_div*length_div,length(prof_lonALL))]; |
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[tmp1]=netcdf_ecco_GenericgridLocateCell(x00,y00,prof_lonALL(list_profiles0),prof_latALL(list_profiles0)); |
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flag_profiles(list_profiles0(find(tmp1>0)))=1; |
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end |
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flagged_profiles=find(flag_profiles==0); |
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%create final netcdf file: |
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%------------------------- |
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[depth,myvars,prof_descr,mystruct,mystruct1D]=netcdf_ecco_read(rep_data,file_data); |
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for vcur=1:size(myvars); |
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eval(['mystruct.prof_' deblank(myvars(vcur,:)) 'weight(flagged_profiles,:)=0;']); |
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end |
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file_characteristics=[length(mystruct1D.prof_lon) 0 size(prof_descr,2) -9999]; |
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eval(['ncload ' rep_data file_data ' prof_interp_XC11 prof_interp_YC11 prof_interp_i prof_interp_j prof_interp_lon prof_interp_lat prof_interp_weights;']); |
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if ~isempty(prof_interp_XC11) |
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prof_interp_XC11(flagged_profiles)=-9999; prof_interp_XCNINJ(flagged_profiles)=-9999; |
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prof_interp_YC11(flagged_profiles)=-9999; prof_interp_YCNINJ(flagged_profiles)=-9999; |
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prof_interp_i(flagged_profiles,:)=-9999; prof_interp_j(flagged_profiles,:)=-9999; |
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prof_interp_lon(flagged_profiles,:)=-9999; prof_interp_lat(flagged_profiles,:)=-9999; |
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prof_interp_weights(flagged_profiles,:)=-9999; |
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mystruct1D=struct('prof_YYYYMMDD',mystruct1D.prof_YYYYMMDD,'prof_HHMMSS',mystruct1D.prof_HHMMSS,... |
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'prof_lon',mystruct1D.prof_lon,'prof_lat',mystruct1D.prof_lat,... |
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'prof_interp_XC11',prof_interp_XC11,'prof_interp_YC11',prof_interp_YC11,... |
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'prof_interp_XCNINJ',prof_interp_XCNINJ,'prof_interp_YCNINJ',prof_interp_YCNINJ... |
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); |
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mystruct4mygrid=struct('prof_interp_i',prof_interp_i,... |
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'prof_interp_j',prof_interp_j,... |
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'prof_interp_lon',prof_interp_lon,... |
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'prof_interp_lat',prof_interp_lat,... |
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'prof_interp_weights',prof_interp_weights); |
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netcdf_ecco_create([rep_data 'masked_' file_data], file_characteristics, depth, ... |
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prof_descr, mystruct, mystruct1D,mystruct4mygrid); |
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else |
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netcdf_ecco_create([rep_data 'masked_' file_data], file_characteristics, depth, ... |
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prof_descr, mystruct, mystruct1D); |
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end |
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fprintf([rep_data 'masked_' file_data ' written \n']); |
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