[17] | 1 | % |
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| 2 | |
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| 3 | %%%%%%%%%%%%%%% FICHIER pluie IRD |
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| 4 | % ouverture / lecture du fichier |
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| 5 | clear; |
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| 6 | close all; |
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| 7 | |
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| 8 | % on selectionne les mois d ete (attention aux annees bixestiles!) |
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| 9 | |
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| 10 | siz1=31+28+31+30+31+1; |
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| 11 | siz1bis=31+28+31+30+31+30+31+31+30; |
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| 12 | pluie=zeros(47,24,122,12); |
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| 13 | |
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| 14 | clear v fid; fid=fopen('daily1.79.rain','r'); siz=47*24*365; |
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| 15 | v=fread(fid,siz,'float'); fclose(fid); |
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| 16 | v=reshape(v,47,24,365); |
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| 17 | clear a b c; |
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| 18 | for a=1:47; |
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| 19 | for b=1:24; |
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| 20 | for c=1:365; |
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| 21 | if v(a,b,c)>99; |
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| 22 | v(a,b,c)=NaN; |
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| 23 | elseif v(a,b,c)<0; |
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| 24 | v(a,b,c)=NaN; |
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| 25 | end; |
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| 26 | end; |
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| 27 | end; |
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| 28 | end; |
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| 29 | pluie(:,:,:,1)=v(:,:,siz1:siz1bis); % 1979 |
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| 30 | |
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| 31 | clear v fid; fid=fopen('daily1.80.rain','r'); siz=47*24*366; |
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| 32 | v=fread(fid,siz,'float'); fclose(fid); |
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| 33 | v=reshape(v,47,24,366); |
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| 34 | clear a b c; |
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| 35 | for a=1:47; |
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| 36 | for b=1:24; |
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| 37 | for c=1:366; |
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| 38 | if v(a,b,c)>99; |
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| 39 | v(a,b,c)=NaN; |
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| 40 | elseif v(a,b,c)<0; |
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| 41 | v(a,b,c)=NaN; |
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| 42 | end; |
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| 43 | end; |
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| 44 | end; |
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| 45 | end; |
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| 46 | pluie(:,:,:,2)=v(:,:,siz1+1:siz1bis+1); % 1980 |
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| 47 | |
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| 48 | clear v fid; fid=fopen('daily1.81.rain','r'); siz=47*24*365; |
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| 49 | v=fread(fid,siz,'float'); fclose(fid); |
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| 50 | v=reshape(v,47,24,365); |
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| 51 | clear a b c; |
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| 52 | for a=1:47; |
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| 53 | for b=1:24; |
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| 54 | for c=1:365; |
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| 55 | if v(a,b,c)>99; |
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| 56 | v(a,b,c)=NaN; |
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| 57 | elseif v(a,b,c)<0; |
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| 58 | v(a,b,c)=NaN; |
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| 59 | end; |
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| 60 | end; |
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| 61 | end; |
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| 62 | end; |
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| 63 | pluie(:,:,:,3)=v(:,:,siz1:siz1bis); % 1981 |
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| 64 | |
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| 65 | clear v fid; fid=fopen('daily1.82.rain','r'); siz=47*24*365; |
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| 66 | v=fread(fid,siz,'float'); fclose(fid); |
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| 67 | v=reshape(v,47,24,365); |
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| 68 | clear a b c; |
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| 69 | for a=1:47; |
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| 70 | for b=1:24; |
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| 71 | for c=1:365; |
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| 72 | if v(a,b,c)>99; |
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| 73 | v(a,b,c)=NaN; |
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| 74 | elseif v(a,b,c)<0; |
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| 75 | v(a,b,c)=NaN; |
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| 76 | end; |
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| 77 | end; |
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| 78 | end; |
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| 79 | end; |
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| 80 | pluie(:,:,:,4)=v(:,:,siz1:siz1bis); % 1982 |
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| 81 | |
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| 82 | clear v fid; fid=fopen('daily1.83.rain','r'); siz=47*24*365; |
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| 83 | v=fread(fid,siz,'float'); fclose(fid); |
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| 84 | v=reshape(v,47,24,365); |
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| 85 | clear a b c; |
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| 86 | for a=1:47; |
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| 87 | for b=1:24; |
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| 88 | for c=1:365; |
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| 89 | if v(a,b,c)>99; |
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| 90 | v(a,b,c)=NaN; |
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| 91 | elseif v(a,b,c)<0; |
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| 92 | v(a,b,c)=NaN; |
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| 93 | end; |
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| 94 | end; |
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| 95 | end; |
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| 96 | end; |
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| 97 | |
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| 98 | pluie(:,:,:,5)=v(:,:,siz1:siz1bis); % 1983 |
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| 99 | |
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| 100 | clear v fid; fid=fopen('daily1.84.rain','r'); siz=47*24*366; |
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| 101 | v=fread(fid,siz,'float'); fclose(fid); |
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| 102 | v=reshape(v,47,24,366); |
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| 103 | clear a b c; |
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| 104 | for a=1:47; |
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| 105 | for b=1:24; |
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| 106 | for c=1:366; |
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| 107 | if v(a,b,c)==999.99; |
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| 108 | v(a,b,c)=NaN; |
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| 109 | elseif v(a,b,c)<0; |
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| 110 | v(a,b,c)=NaN; |
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| 111 | end; |
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| 112 | end; |
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| 113 | end; |
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| 114 | end; |
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| 115 | pluie(:,:,:,6)=v(:,:,siz1+1:siz1bis+1); % 1984 |
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| 116 | |
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| 117 | clear v fid; fid=fopen('daily1.85.rain','r'); siz=47*24*365; |
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| 118 | v=fread(fid,siz,'float'); fclose(fid); |
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| 119 | v=reshape(v,47,24,365); |
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| 120 | clear a b c; |
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| 121 | for a=1:47; |
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| 122 | for b=1:24; |
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| 123 | for c=1:366; |
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| 124 | if v(a,b,c)==999.99; |
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| 125 | v(a,b,c)=NaN; |
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| 126 | elseif v(a,b,c)<0; |
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| 127 | v(a,b,c)=NaN; |
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| 128 | end; |
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| 129 | end; |
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| 130 | end; |
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| 131 | end; |
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| 132 | pluie(:,:,:,7)=v(:,:,siz1:siz1bis); % 1985 |
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| 133 | |
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| 134 | clear v fid; fid=fopen('daily1.86.rain','r'); siz=47*24*365; |
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| 135 | v=fread(fid,siz,'float'); fclose(fid); |
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| 136 | v=reshape(v,47,24,365); |
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| 137 | clear a b c; |
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| 138 | for a=1:47; |
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| 139 | for b=1:24; |
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| 140 | for c=1:365; |
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| 141 | if v(a,b,c)==999.99; |
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| 142 | v(a,b,c)=NaN; |
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| 143 | elseif v(a,b,c)<0; |
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| 144 | v(a,b,c)=NaN; |
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| 145 | end; |
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| 146 | end; |
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| 147 | end; |
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| 148 | end; |
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| 149 | pluie(:,:,:,8)=v(:,:,siz1:siz1bis); % 1986 |
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| 150 | |
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| 151 | clear v fid; fid=fopen('daily1.87.rain','r'); siz=47*24*365; |
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| 152 | v=fread(fid,siz,'float'); fclose(fid); |
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| 153 | v=reshape(v,47,24,365); |
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| 154 | clear a b c; |
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| 155 | for a=1:47; |
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| 156 | for b=1:24; |
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| 157 | for c=1:365; |
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| 158 | if v(a,b,c)==999.99; |
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| 159 | v(a,b,c)=NaN; |
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| 160 | elseif v(a,b,c)<0; |
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| 161 | v(a,b,c)=NaN; |
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| 162 | end; |
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| 163 | end; |
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| 164 | end; |
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| 165 | end; |
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| 166 | pluie(:,:,:,9)=v(:,:,siz1:siz1bis); % 1987 |
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| 167 | |
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| 168 | clear v fid; fid=fopen('daily1.88.rain','r'); siz=47*24*366; |
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| 169 | v=fread(fid,siz,'float'); fclose(fid); |
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| 170 | v=reshape(v,47,24,366); |
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| 171 | clear a b c; |
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| 172 | for a=1:47; |
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| 173 | for b=1:24; |
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| 174 | for c=1:366; |
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| 175 | if v(a,b,c)==999.99; |
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| 176 | v(a,b,c)=NaN; |
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| 177 | elseif v(a,b,c)<0; |
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| 178 | v(a,b,c)=NaN; |
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| 179 | end; |
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| 180 | end; |
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| 181 | end; |
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| 182 | end; |
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| 183 | pluie(:,:,:,10)=v(:,:,siz1:siz1bis); % 1988 |
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| 184 | |
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| 185 | clear v fid; fid=fopen('daily1.89.rain','r'); siz=47*24*365; |
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| 186 | v=fread(fid,siz,'float'); fclose(fid); |
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| 187 | v=reshape(v,47,24,365); |
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| 188 | clear a b c; |
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| 189 | for a=1:47; |
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| 190 | for b=1:24; |
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| 191 | for c=1:365; |
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| 192 | if v(a,b,c)==999.99; |
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| 193 | v(a,b,c)=NaN; |
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| 194 | elseif v(a,b,c)<0; |
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| 195 | v(a,b,c)=NaN; |
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| 196 | end; |
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| 197 | end; |
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| 198 | end; |
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| 199 | end; |
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| 200 | pluie(:,:,:,11)=v(:,:,siz1:siz1bis); % 1989 |
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| 201 | |
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| 202 | clear v fid; fid=fopen('daily1.90.rain','r'); siz=47*24*365; |
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| 203 | v=fread(fid,siz,'float'); fclose(fid); |
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| 204 | v=reshape(v,47,24,365); |
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| 205 | clear a b c; |
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| 206 | for a=1:47; |
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| 207 | for b=1:24; |
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| 208 | for c=1:365; |
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| 209 | if v(a,b,c)==999.99; |
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| 210 | v(a,b,c)=NaN; |
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| 211 | elseif v(a,b,c)<0; |
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| 212 | v(a,b,c)=NaN; |
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| 213 | end; |
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| 214 | end; |
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| 215 | end; |
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| 216 | end; |
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| 217 | pluie(:,:,:,12)=v(:,:,siz1:siz1bis); % 1990 |
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| 218 | |
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| 219 | clear siz sizbis; |
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| 220 | clear v; |
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[22] | 221 | |
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[17] | 222 | % essai de visualisation d'une carte de pluie annuelle |
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| 223 | orient('landscape'); |
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| 224 | lat=[0:23]; |
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| 225 | lon=[-20:26]'; |
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| 226 | for a=1:12; |
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| 227 | subplot(3,4,a); |
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| 228 | clear v; |
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| 229 | v(:,:,:)=pluie(:,:,:,a); |
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| 230 | v=permute(v,[3 2 1]); |
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| 231 | v1(:,:)=nansum(v); |
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| 232 | contourf(lon,lat,v1); |
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| 233 | colorbar; |
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| 234 | hold on; |
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| 235 | cartemonde; |
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| 236 | axis([-20 26 0 23]); |
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| 237 | end; |
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