clear; close all;

load eof_rossby_jjas.mat
olr_centre=olr_centre';
PC1=olr_centre*C;

cosa=zeros(3,2684,425);
for a=1:3; % boucle sur les VP
      for b=1:2684 % 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;

cosi3(:,:)=sum(cosa); cosi3=reshape(cosi3,2684,17,25);

cosabis=cosa(1:2,:,:); 
cosi2(:,:)=sum(cosabis); clear cosabis;
cosi2=reshape(cosi2,2684,17,25); 

cosa1(:,:)=cosa(1,:,:); clear cosa; 
cosi1=reshape(cosa1,2684,17,25); clear cosa1;


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

% On selectionne la demaine geographique

taille=(12-7+1)*(17-9+1);
cosa1=cosi1(:,7:12,9:17); clear cosi1;
cosa1=reshape(cosa1,2684,taille); 
cosa1=cosa1';
cosa1=mean(cosa1); 
cosa1=cosa1';
cosa1=reshape(cosa1,122,22);

cosa2=cosi2(:,7:12,9:17); clear cosi2;
cosa2=reshape(cosa2,2684,taille); 
cosa2=cosa2';
cosa2=mean(cosa2); 
cosa2=cosa2';
save mode_rossby_jjas.txt cosa2 -ascii;

cosa2=reshape(cosa2,122,22);

cosa3=cosi3(:,7:12,9:17); clear cosi3;
cosa3=reshape(cosa3,2684,taille); 
cosa3=cosa3';
cosa3=mean(cosa3); 
cosa3=cosa3';
cosa3=reshape(cosa3,122,22);



% On selectionne la demaine geographique
olr_centre=reshape(olr_centre,2684,17,25); 
cosa4=olr_centre(:,7:12,9:17); clear olr_centre;
cosa4=reshape(cosa4,2684,taille); clear taille;
cosa4=cosa4';
cosa4=mean(cosa4);
cosa4=cosa4';
cosa4=reshape(cosa4,122,22);

for a=1:22;
     if a<12;
        figure(1); subplot(4,3,a);
     else
        figure(2); subplot(4,3,a-11);
     end
     y1=cosa1(:,a);
     y2=cosa2(:,a);
     y3=cosa3(:,a);
     y4=cosa4(:,a);
     x=[1:122]'; 
     plot(x,y1,'r');
     hold on;
     plot(x,y2);
     plot(x,y3,'g');
     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','OLR VP1-2','OLR VP1-3','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','OLR VP1-2','OLR VP1-3','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','OLR VP1-2','OLR VP1-3','OLR NOAA');
        set(aa,'fontsize',8,'Position',[0.6800 0.1039 0.1270 0.1642])
        legend boxoff;
     end;
     axis([1 122 -40 40]);
     set (gca,'YTick',[-40:20:40],'YTickLabel',[-40:20:40],'fontname','Arial','fontsize',6);
   set (gca,'XTick',[10:10:90],'XTickLabel',[10:10:90],'fontname','Arial','fontsize',6);

end; 



figure(1);
print -depsc2 reconstitution_OLR_JJAS_part1.eps;
figure(2);
print -depsc2 reconstitution_OLR_JJAS_part2.eps;
figure(3);
print -depsc2 reconstitution_OLR_JJAS_part3.eps;