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<?
include("../modules/connect.php");
$contenu = "";
$entetes = array("sequence_id","mesure_id","mesure_annee","mesure_date","evenement_nom","code_bbch_numero",
"espece_nom_scientifique","plateforme_nom","pltaforme_longitude",
"plateforme_latitude","plateforme_latitude","plateforme_type_nom","erreur_standard","nb_individus");
$requete_seqs = mysql_query("select distinct MAX(-SEQUENCE.SEQUENCE_ID), MAX(-MESURE.MESURE_ID), ".
"EXTRACT(YEAR from MESURE_DATE) AS ANNEE, ".
"DATE_FORMAT(FROM_UNIXTIME(AVG(UNIX_TIMESTAMP(MESURE_DATE))),'%d/%m/%Y'), EVENEMENT.EVENEMENT_NOM, NULL, ".
"ESPECE_NOM_SCIENTIFIQUE, STATION_NOM, STATION_LATITUDE, ".
"STATION_LONGITUDE, SEQUENCE_ALTITUDE, ENVIRONNEMENT_NOM, ".
"STD(UNIX_TIMESTAMP(MESURE_DATE))/86400, COUNT(MESURE_INDIVIDU) ".
"from MESURE, SEQUENCE, ESPECE, STATION, EVENEMENT, ENVIRONNEMENT ".
"where MESURE.SEQUENCE_ID=SEQUENCE.SEQUENCE_ID ".
"and SEQUENCE.ESPECE_ID=ESPECE.ESPECE_ID ".
"and MESURE.EVENEMENT_ID=EVENEMENT.EVENEMENT_ID ".
"and STATION.STATION_ID=SEQUENCE.STATION_ID ".
"and ENVIRONNEMENT.ENVIRONNEMENT_ID=SEQUENCE.ENVIRONNEMENT_ID ".
"group by ESPECE.ESPECE_ID,EVENEMENT.EVENEMENT_ID,STATION.STATION_ID,ANNEE,SEQUENCE_ALTITUDE,ENVIRONNEMENT.ENVIRONNEMENT_ID ORDER BY MESURE_DATE ");
echo mysql_error();
//on regarde chaque séquence pour moyenner les mesures
$num_seq = 0;
while ($seq_crt = mysql_fetch_row($requete_seqs)) {
$sequences[$num_seq] = $seq_crt;
if ($seq_crt[13]!=1) {
$racine = sqrt($seq_crt[13]/($seq_crt[13]-1));
if ($racine)
$sequences[$num_seq][12] = $seq_crt[12]*$racine;
} else
$sequences[$num_seq][12] = 0;
if (($icode = strpos($req_crt[4],"stade"))>0) {
$code_bbch = substr($req_crt[4],$icode+5);
$sequences[$num_seq][5] = $code_bbch;
$sequences[$num_seq][4] = substr($req_crt[4],0,$icode-1);
}
$num_seq++;
}
$fichierc = implode(';',$entetes)."\n";
foreach ($sequences as $util) {
if (($icode = strpos($util[4],"stade"))>0) {
$code_bbch = substr($util[4],$icode+5);
$util[5] = $code_bbch;
$util[4] = substr($util[4],0,$icode-1);
}
$fichierc .= implode(';',$util)."\n";
}
$fichier = "observations_export.csv";
$handle = fopen($chemin.$fichier,'w');
fwrite($handle,$fichierc);
fclose($handle);
$contenue = file_get_contents($fichier);
$tailledufichier = filesize($fichier);
@ob_end_clean();
@ini_set('zlib.output_compression','Off');
header('Pragma: public');
header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
header('Cache-Control: must-revalidate, pre-check=0, post-check=0, max-age=0');
header('Content-Tranfer-Encoding: none');
header('Content-Type: application/octetstream; name="'.$fichier.'"');
header('Content-Disposition: attachement; filename="'.$fichier.'"');
header('Content-Length: '.$tailledufichier);
echo $contenue;
exit();
?>