function reconstitution_ER_rossby_df(period1, period2)
% reconstitution_ER_rossby_df ++explication between period1 days and period2 days

%+
%
%  .. _reconstitution_ER_rossby_df.m:
%
% =============================
% reconstitution_ER_rossby_df.m
% =============================
%
% ++
%
% DESCRIPTION
% ===========
%
% plot ++ from file :file:`eof_rossby_jjas_2006_10-30d.mat`,
% produce a ASCII file :file:`eof12_rossby_10-30d.txt`,
% produce 3 Postscript files :file:`reconstitution1_eof12_filtreER_10-30d.eps`.
%
% EXAMPLES
% ========
%
% Following line read :file:`eof_rossby_jjas_2006_10-30d.mat`, produce an ASCII file
% :file:`eof12_rossby_10-30d.txt`, produce 3 Postscript files
% :file:`reconstitution1_eof12_filtreER_10-30d.eps`::
%
% >> reconstitution_ER_rossby_df(10,30);
%
% SEE ALSO
% ========
%
% :ref:`carte_eof_ER_jjas_df.m`
%
% :ref:`carte_eofER_1030_article.m`
%
% :ref:`time_serie_ER_rossby_df.m`
%
% TODO
% ====
%
% improve description
%
% improve file pb
%
% use return function
%
% clean variables and plot
%
% EVOLUTIONS
% ==========
%
% $Id$
%
% - fplod 2009-02-11T16:27:34Z aedon.locean-ipsl.upmc.fr (Darwin)
%
%   * add try/catch on opening file for reading
%
% - fplod 2009-02-10T14:28:00Z aedon.locean-ipsl.upmc.fr (Darwin)
%
%   * replace ndmin by period1 and ndmax by period2
%
% - fplod 2009-01-28T07:50:45Z aedon.locean-ipsl.upmc.fr (Darwin)
%
%   * created from reconstitution_ER_rossby_1030.m to replace it as well as
%     reconstitution_ER_rossby_30100.m
%
%     Days will be now written ``period1``\-``period2d`` (ex: 10-30d) in filenames.
%
%-

global IRCAAM_ID;
global IRCAAM_OD;

if nargin==2
 % period1 must be lower than period2
 if (period1 > period2)
  disp(['period1 = ', int2str(period1)]);
  disp(['period2 = ', int2str(period2)]);
  error('eee : period1 must be lower than period2');
 end
else
  usage='usage : reconstitution_ER_rossby_df(period1, period2)';
  disp(usage);
  error('eee : wrong arguments numbers')
end
% period1 and period2 will be used in xx-yyd form in filenames
df = [int2str(period1),'-',int2str(period2),'d'];
clear period1;
clear period2;

close all;

%lon=[-30:2.5:30], lat=[-10:2.5:30]

fullfilename=[IRCAAM_ID,'eof_rossby_jjas_2006_',df,'.mat'];
try
 status=load(fullfilename,'C','olr');
catch
 error('eee : File %s not found\n', fullfilename);
end

clear fullfilename;

C=status.C;
olr=status.olr;
clear status;

olr=olr';
PC1=olr*C;

cosa=zeros(3,3416,425);
% boucle sur les VP
for a=1:3;
      for b=1:3416 % boucle sur le temps
          for c=1:425 % boucle sur l espace
             cosa(a,b,c)=PC1(b,426-a)*C(c,426-a);
          end;
      end;
end;

cosa1(:,:)=cosa(1,:,:);
cosa1=reshape(cosa1,3416,25,17);

cosa2(:,:)=cosa(2,:,:);
cosa2=reshape(cosa2,3416,25,17);

cosabis=cosa(1:2,:,:);
cosa12(:,:)=sum(cosabis);
clear cosabis;
cosa12=reshape(cosa12,3416,25,17);

figure(1);
orient('landscape')
figure(2);
orient('landscape')
figure(3);
orient('landscape')

% On selectionne la demaine geographique

% la latitude : 7.5N (8) 12.5N (10)
% la longitude : 10W (9) 10E(17)
lat1=8;
lat2=10;
lon1=9;
lon2=17;
taille=(lat2-lat1+1)*(lon2-lon1+1);

cosa12=cosa12(:,lon1:lon2,lat1:lat2);
clear cosi2;
cosa12=reshape(cosa12,3416,taille);
cosa12=cosa12';
cosa12=mean(cosa12);
cosa12=cosa12';

fullfilename=[IRCAAM_ID,'eof12_rossby_',df,'.txt'];
save(fullfilename,'cosa12','-ASCII');
clear fullfilename;

cosa12=reshape(cosa12,122,28);

% On selectionne la demaine geographique
olr=reshape(olr,3416,25,17);
cosa4=olr(:,lon1:lon2,lat1:lat2);
clear olr;
cosa4=reshape(cosa4,3416,taille);
clear taille;
cosa4=cosa4';
cosa4=mean(cosa4);
cosa4=cosa4';
cosa4=reshape(cosa4,122,28);

for a=1:28;
     if a<12;
        figure(1);
        subplot(4,3,a);
     elseif a<24
        figure(2);
        subplot(4,3,a-11);
     else
        figure(3);
        subplot(4,3,a-23);
     end;
     y2=cosa12(:,a);
     y4=cosa4(:,a);
     x=[1:122]';
     plot(x,y2);
     hold on;
     plot(x,y4,'k');
     y5=zeros(122,1);
     plot(x,y5,'k:');

     title(a+1978,'Fontsize',8);
     if a==2;
         text(0,65,'OLR 5 -17.5N et 10W - 10E');
     elseif a==13;
         text(0,65,'OLR 5 - 17.5N et 10W - 10E');
     end;
     set (gca,'tickDir','out');
     if a==11;
        aa=legend('OLR VP1-2','OLR NOAA');
        set (aa,'fontsize',8,'Position',[0.6800 0.1039 0.1270 0.1642])
        legend boxoff;
     elseif a==22;
        clear aa;
        aa=legend('OLR VP1-2','OLR NOAA');
        set (aa,'fontsize',8,'Position',[0.6800 0.1039 0.1270 0.1642])
        legend boxoff;
     end;
     axis([1 122 -15 15]);
     set (gca,'YTick',[-15:5:15],'YTickLabel',[-15:5:15],'fontname','Arial','fontsize',6);
   set (gca,'XTick',[10:10:122],'XTickLabel',[10:10:122],'fontname','Arial','fontsize',6);

end;

figure(1);
fullfilename=[IRCAAM_OD,'reconstitution1_eof12_filtreER_',df,'.eps'];
print('-depsc2',fullfilename);
clear fullfilename;

figure(2);
fullfilename=[IRCAAM_OD,'reconstitution2_eof12_filtreER_',df,'.eps'];
print('-depsc2',fullfilename);
clear fullfilename;

figure(3);
fullfilename=[IRCAAM_OD,'reconstitution3_eof12_filtreER_',df,'.eps'];
print('-depsc2',fullfilename);
clear fullfilename;