New file |
0,0 → 1,793 |
<? |
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if (!sizeof($erreurs)>0) { |
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//Récupération des info de la station |
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//FONCTIONNEMENT_TESTE_ET_OK |
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$requete_station = mysql_query("select STATION_ID, STATION_NOM, STATION_LATITUDE, STATION_LONGITUDE, STATION_ALTITUDE, STATION_ENVIRONNEMENT_ID from STATION where STATION.STATION_ID=".$_SESSION['observation']['station_id']); |
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while ($station = mysql_fetch_assoc($requete_station)) { |
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$stations [] = $station; |
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} |
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$init_lat=$stations[0]['STATION_LATITUDE']; |
$init_lon=$stations[0]['STATION_LONGITUDE']; |
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/***** Selection des stations *****/ |
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//Affichage des éventuelles erreurs |
afficherErreurs($erreurs); |
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echo "Modification de la station <b>".$stations[0]['STATION_NOM']."</b><br>"; |
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?> |
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<div id="map" style="width:600px;height:400px;border:2px solid grey;margin:10px 0;clear:both;"></div> |
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<form id="form_coordonnee" action="<?= $url_page ?>" method="post" style="float:left;"> |
<input id="ll_latitude" name="ll_latitude" type="hidden" value="" /> |
<input id="ll_latitude_dms" name="ll_latitude_dms" type="hidden" value="" /> |
<input id="ll_longitude" name="ll_longitude" type="hidden" value="" /> |
<input id="ll_longitude_dms" name="ll_longitude_dms" type="hidden" value="" /> |
<input id="ll_altitude" name="ll_altitude" type="hidden" value="" /> |
<input id="form_coordonnee_valider" name="annul_modif" class="submit" type="submit" value="Retour" /> |
<input type="hidden" name="etape" value="1"> |
<input type="hidden" name="provenance" value="<?= $provenance ?>"> |
</li> |
</ul> |
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</form> |
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<?php |
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include_once 'modules/configuration/car_config.inc.php' ; |
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if (PARTICIPANT_EST_ADULTE) { |
?> |
<script type="text/javascript" src="http://maps.google.com/maps?file=api&v=2&key=ABQIAAAAnm2MSMmwsDuoh7THcVDnlBQH9AL26AfEfaraxwo1G6_adyVjPRRQE4Gx2u7MomK9DJWf9kMLJ9y-ZA" type="text/javascript"></script> |
<?php |
} |
else { |
?> |
<script type="text/javascript" src="http://maps.google.com/maps?file=api&v=2&key=ABQIAAAAFMANWib9GSm7T4W6AN9qzxRmHYqXwt_BUwczny2vFmnHz3sr3BTy_SMRJ-NzWXDUynHHSWQ7_aEZ6Q" type="text/javascript"></script> |
<?php |
} |
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// Centrage initial : premiere station ou ville d'inscription |
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echo "<script type=\"text/javascript\">"; |
echo "\n//<![CDATA[\n"; |
echo "var init_lat = ".$init_lat.";\n"; |
echo "var init_long = ".$init_lon.";\n"; |
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?> |
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var largeur_carte = 690; |
var haureur_retrait = 330; |
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var init_zoom = 10; |
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// Contient la carte GoogleMap |
var map; |
// Contient l'utilitaire permettant de trouver une adresse. |
var EfGeocoder; |
// Point de l'adresse saisie et à passer au GeoCoder |
var addrpnt; |
// L'icône à afficher sur la carte |
var icon; |
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function load() { |
// Vérification de la compatibilité du navigateur |
if (GBrowserIsCompatible()) { |
// Création de la carte |
map = new GMap2(document.getElementById("map")); |
// Positionnement de la carte |
map.setCenter(new GLatLng(init_lat, init_long), init_zoom); |
// Types de carte disponibles : |
map.addMapType(G_NORMAL_MAP); |
map.addMapType(G_SATELLITE_MAP); |
map.addMapType(G_PHYSICAL_MAP); |
// Bouton pour changer de type de carte (mixte, satellite, plan) |
map.addControl(new GMapTypeControl(1)); |
// Définition du type de la carte par défaut |
map.setMapType(G_HYBRID_MAP); |
// Bouton large de déplancement et zoom apparaissant dans le coin haut gauche |
map.addControl(new GLargeMapControl()); |
// Pour hierarchiser les types de carte --> pas encore dans la version stable... |
//var mapControl = new GHierarchicalMapTypeControl(); |
// Définition des relations des types de menus |
//mapControl.clearRelationships(); |
//mapControl.addRelationship(G_SATELLITE_MAP, G_HYBRID_MAP, 'Labels', false); |
// Ajout du controle après avoir spécifié les relations |
//map.addControl(mapControl); |
// Vue d'ensemble apparaissant dans le coin bas droit |
var EfOverViewMap = new GOverviewMapControl(); |
map.addControl(EfOverViewMap); |
var mini = EfOverViewMap.getOverviewMap(); |
// ? |
map.enableContinuousZoom(); |
// Zoom avec la molette de la souris |
map.enableScrollWheelZoom(); |
// Zoom avec le double clic de la souris |
map.enableDoubleClickZoom(); |
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// Création du GéoCoder |
EfGeocoder = new GClientGeocoder() ; |
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// Icone station enregistrees (vert) |
icon = new GIcon(); |
icon.image = "http://www.google.com/mapfiles/ms/micons/green-dot.png"; |
icon.shadow = "http://www.google.com/mapfiles/shadow50.png"; |
icon.iconSize = new GSize(34, 34); |
icon.shadowSize = new GSize(37, 34); |
icon.iconAnchor = new GPoint(16, 34); |
// Pour affichage infobulle |
icon.infoWindowAnchor = new GPoint(5,1); |
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// Icone nouvelle station (rouge) ou station en modification |
Nicon = new GIcon(); |
Nicon.image = "http://www.google.com/mapfiles/ms/micons/red-dot.png"; |
Nicon.shadow = "http://www.google.com/mapfiles/shadow50.png"; |
Nicon.iconSize = new GSize(34, 34); |
Nicon.shadowSize = new GSize(37, 34); |
Nicon.iconAnchor = new GPoint(16, 34); |
// Pour affichage infobulle |
Nicon.infoWindowAnchor = new GPoint(5,1); |
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// Creates a marker at the given point with the given number label |
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function createMarker(point, text, altitude) { |
var marker = new GMarker(point,icon); |
var html = text; |
GEvent.addListener(marker, "click", function() { |
map.setCenter(marker.getPoint()); |
afficherInfo(marker.getPoint()); |
afficherMasque(marker,text,altitude); |
}); |
return marker; |
} |
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// Affichage de la station a modifier |
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<? foreach($stations as $station) { ?> |
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var position = new GLatLng(<?= $station['STATION_LATITUDE'] ?>, <?= $station['STATION_LONGITUDE'] ?>); |
placerMarkeur(position,"<?= $station['STATION_NOM'] ?>"); |
map.setCenter(position, 14); |
<? } ?> |
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} |
} |
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// Ajout d'un nouveau marqueur dragable , depuis le geocodage uniquement (blocage du clic depuis la carte) |
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function placerMarkeur(position,nom) { |
if (addrpnt) { |
map.removeOverlay(addrpnt); |
} |
addrpnt = new GMarker(position, {icon: Nicon, draggable: true, title: 'Click sur la carte!'}) ; |
addrpnt.enableDragging() ; |
map.addOverlay(addrpnt) ; |
GEvent.addListener(addrpnt,'dragend',function() { |
map.setCenter(addrpnt.getPoint()); |
afficherInfo(addrpnt.getPoint()); |
afficherMasque(addrpnt,nom); |
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}) ; |
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GEvent.addListener(addrpnt, "click", function() { |
map.setCenter(addrpnt.getPoint()); |
afficherInfo(addrpnt.getPoint()); |
afficherMasque(addrpnt,nom); |
}); |
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afficherInfo(position); |
} |
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// Masque de mise a jour station : |
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function afficherMasque(position,nom,altitude) { |
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// On recupere les données du formulaire (caché) , notamment pour traiter simplement l'appel asynchrone de recup altitude |
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var html = "<table>"; |
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html = html + "<tr><td>Station</td> <td><input type='text' id='nom_station' value='" + nom + "'/> </td> </tr>"; |
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<? |
$requete_environnement = mysql_query("select ENVIRONNEMENT_ID, ENVIRONNEMENT_NOM from ENVIRONNEMENT"); |
?> |
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html = html + "<tr><td>Environnement :</td>"; |
html = html + "<td><select id='environnement_id' name='environnement'>"; |
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<? while ($env = mysql_fetch_row($requete_environnement)) { ?> |
html = html + "<option value='<?= $env[0] ?>'<? if ($env[0]==$stations[0]['STATION_ENVIRONNEMENT_ID']) {echo 'SELECTED';}?> ><?= $env[1] ?>"; |
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<? } ?> |
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html = html + "</select></td></tr>"; |
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html = html + "<tr><td>Latitude :</td> <td>" +document.getElementById('ll_latitude').value + "</td> </tr>" ; |
html = html + "<tr><td>Longitude :</td> <td>" + document.getElementById('ll_longitude').value + "</td> </tr>"; |
if (altitude) { |
html = html + "<tr><td>Altitude :</td> <td>" + altitude + "</td> </tr>"; |
} |
else { |
html = html + "<tr><td>Altitude :</td> <td>" + document.getElementById('ll_altitude').value + "</td> </tr>"; |
} |
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html = html + "<tr><td></td><td><input type='button' value='Enregistrer' onclick='saveData(false)'/></td></tr>"; |
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html = html + "<tr><td></td><td><input type='button' value='Supprimer' onclick='saveData(true)'/></td></tr>"; |
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position.openInfoWindow(html); |
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} |
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// Sauvegarde modification station |
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// |
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function saveData(suppr) { |
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var nom_station = escape(document.getElementById("nom_station").value); |
var lat_station = document.getElementById("ll_latitude").value; |
var lon_station = document.getElementById("ll_longitude").value; |
var alt_station = document.getElementById("ll_altitude").value; |
var environnement_id = document.getElementById("environnement_id").value; |
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if (!suppr) { |
var url = "modules/observations/sauvegarde_station.php?nom_station=" + nom_station + "&action=U" + "&lat_station=" + lat_station + |
"&lon_station=" + lon_station + "&environnement_id=" + environnement_id + "&alt_station=" + alt_station + "&participant_id=<?= $_SESSION['participant'] ?>" + "&station_id=<?= $_SESSION['observation']['station_id'] ?>"; |
} |
else { |
var url = "modules/observations/sauvegarde_station.php?nom_station=" + nom_station + "&action=D" + "&lat_station=" + lat_station + |
"&lon_station=" + lon_station + "&environnement_id=" + environnement_id + "&alt_station=" + alt_station + "&participant_id=<?= $_SESSION['participant'] ?>" + "&station_id=<?= $_SESSION['observation']['station_id'] ?>"; |
} |
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GDownloadUrl(url, function(data, responseCode) { |
if (responseCode == 200 && data.length <= 1) { |
window.location = "<?= $url_page ?>"; |
} |
}); |
} |
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function afficherInfo(position) { |
var form = document.getElementById('form_coordonnee'); |
afficherCoordonnees(position.lat().toString(), position.lng().toString()); |
} |
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function afficherCoordonnees(lati, longi) { |
var ellipsoid = 21;// 21 = WGS-84 (voir geo_constants) |
var xtm = 0;// 0 = UTM et 1= MTM |
var Coordonnee = calculer_coordonnee(lati, longi, ellipsoid, xtm); |
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// Nous affichons des informations. |
document.getElementById('ll_latitude').value = Coordonnee.latitude.toFixed(4); |
document.getElementById('ll_longitude').value = Coordonnee.longitude.toFixed(4); |
document.getElementById('ll_latitude_dms').value = Coordonnee.latitude_dms; |
document.getElementById('ll_longitude_dms').value = Coordonnee.longitude_dms; |
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// Calcul altitude |
var script = document.createElement('script'); |
document.body.appendChild(script); |
script.src = 'http://ws.geonames.org/' + "srtm3" + 'JSON?lat=' + lati + '&lng=' + longi + '&callback=GetAltitude'; |
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} |
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function GetAltitude(result ) { |
document.getElementById('ll_altitude').value = result.srtm3; |
} |
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window.onload = load |
window.onunload = GUnload |
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/* Source : Code provenant du site http://pages.globetrotter.net/roule/utmgoogle.htm |
*/ |
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var deg2rad = Math.PI / 180; |
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/* |
* Fonction de transformation de coordonnées géographiques entre ellipsoide. |
* Source : http://home.hiwaay.net/~taylorc/bookshelf/math-science/geodesy/datum/transform/molodensky/ |
* Licence : "The source code in the listing below may be copied and reused without restriction, but it is offered AS-IS with NO WARRANTY." |
* |
* Parameters: |
* from: The geodetic position to be translated. (objet : GeodeticPosition) |
* from_a: The semi-major axis of the "from" ellipsoid. (double) |
* from_f: Flattening of the "from" ellipsoid. (double) |
* from_esq: Eccentricity-squared of the "from" ellipsoid. (double) |
* da: Change in semi-major axis length (meters); "to" minus "from" |
* df: Change in flattening; "to" minus "from" (double) |
* dx: Change in x between "from" and "to" datum. (double) |
* dy: Change in y between "from" and "to" datum. (double) |
* dz: Change in z between "from" and "to" datum. (double) |
* |
* Paramêtres : |
* from : l'objet GeodesiquePosition à transformer (contient latitute, longitude et hauteur) |
* from_a : le demi grand axe (=a) de l'ellipsoïde utilisé pour la position géodésique contenu dans l'objet "from". |
* from_f : l'applatissement (=f) = 1/valeur... de l'ellipsoïde de l'objet "from" |
* from_esq : l'excentricité au carré de l'ellipsoïde de l'objet "from" |
* da : différence de demi grand axe (en metres) entre l'ellipsoïde "to" et "from". |
* df : différence d'applatissement entre l'ellipsoïde "to" et "from". |
* dx : différence pour l'axe x entre l'ellipsoïde "to" et "from". |
* dy : différence pour l'axe y entre l'ellipsoïde "to" et "from". |
* dz : différence pour l'axe z entre l'ellipsoïde "to" et "from". |
*/ |
function transform(from, from_a, from_f, from_esq, da, df, dx, dy, dz) { |
var slat = Math.sin (from.lat); |
var clat = Math.cos (from.lat); |
var slon = Math.sin (from.lon); |
var clon = Math.cos (from.lon); |
var ssqlat = slat * slat; |
// "a divided by b" |
var adb = 1.0 / (1.0 - from_f); |
var dlat, dlon, dh; |
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var rn = from_a / Math.sqrt (1.0 - from_esq * ssqlat); |
var rm = from_a * (1. - from_esq) / Math.pow ((1.0 - from_esq * ssqlat), 1.5); |
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dlat = (((((-dx * slat * clon - dy * slat * slon) + dz * clat) + (da * ((rn * from_esq * slat * clat) / from_a))) + (df * (rm * adb + rn / adb) * slat * clat))) / (rm + from.h); |
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dlon = (-dx * slon + dy * clon) / ((rn + from.h) * clat); |
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dh = (dx * clat * clon) + (dy * clat * slon) + (dz * slat) - (da * (from_a / rn)) + ((df * rn * ssqlat) / adb); |
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// Retour des données sous forme d'objet |
var GeodeticPosition = { lon: from.lon + dlon, |
lat: from.lat + dlat, |
h: from.h + dh |
}; |
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return GeodeticPosition; |
} |
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function test_transform() { |
var PositionNtf = { lon: 7.7372, lat: 48.6, h: 0 }; |
var PositionWGS84 = transform(PositionNtf, 6378249.2, 0.00340755, 0.0068034881, -112.2, 0.00005474, -168, -60, 320); |
alert('Longitude : ' + PositionWGS84.lon + 'Latitude : ' + PositionWGS84.lat + 'Hauteur : ' + PositionWGS84.h); |
} |
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// Indiquer l'ellipsoid par son index dans le table et pour le xtm mettre 0 pour l'UTM et 1 pour le MTM (?) |
function geo_constants(ellipsoid, xtm) { |
// returns ellipsoid values |
ellipsoid_axis = new Array(); // valeur du demi grand axe (a) de l'ellipsoïde |
ellipsoid_eccen = new Array(); // valeur de l'excentricité au carré (e²) de l'ellipsoïde |
ellipsoid_axis[0] = 6377563.396; ellipsoid_eccen[0] = 0.00667054; //airy |
ellipsoid_axis[1] = 6377340.189; ellipsoid_eccen[1] = 0.00667054; // mod airy |
ellipsoid_axis[2] = 6378160; ellipsoid_eccen[2] = 0.006694542; //aust national |
ellipsoid_axis[3] = 6377397.155; ellipsoid_eccen[3] = 0.006674372; //bessel 1841 |
ellipsoid_axis[4] = 6378206.4; ellipsoid_eccen[4] = 0.006768658; //clarke 1866 == NAD 27 (TBC) |
ellipsoid_axis[5] = 6378249.145; ellipsoid_eccen[5] = 0.006803511; //clarke 1880 |
ellipsoid_axis[6] = 6377276.345; ellipsoid_eccen[6] = 0.00637847; //everest |
ellipsoid_axis[7] = 6377304.063; ellipsoid_eccen[7] = 0.006637847; // mod everest |
ellipsoid_axis[8] = 6378166; ellipsoid_eccen[8] = 0.006693422; //fischer 1960 |
ellipsoid_axis[9] = 6378150; ellipsoid_eccen[9] = 0.006693422; //fischer 1968 |
ellipsoid_axis[10] = 6378155; ellipsoid_eccen[10] = 0.006693422; // mod fischer |
ellipsoid_axis[11] = 6378160; ellipsoid_eccen[11] = 0.006694605; //grs 1967 |
ellipsoid_axis[12] = 6378137; ellipsoid_eccen[12] = 0.00669438; // grs 1980 |
ellipsoid_axis[13] = 6378200; ellipsoid_eccen[13] = 0.006693422; // helmert 1906 |
ellipsoid_axis[14] = 6378270; ellipsoid_eccen[14] = 0.006693422; // hough |
ellipsoid_axis[15] = 6378388; ellipsoid_eccen[15] = 0.00672267; // int24 |
ellipsoid_axis[16] = 6378245; ellipsoid_eccen[16] = 0.006693422; // krassovsky |
ellipsoid_axis[17] = 6378160; ellipsoid_eccen[17] = 0.006694542; // s america |
ellipsoid_axis[18] = 6378165; ellipsoid_eccen[18] = 0.006693422; // wgs-60 |
ellipsoid_axis[19] = 6378145; ellipsoid_eccen[19] = 0.006694542; // wgs-66 |
ellipsoid_axis[20] = 6378135; ellipsoid_eccen[20] = 0.006694318; // wgs-72 |
ellipsoid_axis[21] = 6378137; ellipsoid_eccen[21] = 0.00669438; //wgs-84 (et NAD83 : pourquoi mis avec WGS84 ?) |
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if (ellipsoid == 0) { |
ellipsoid = 22; |
} |
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--ellipsoid; // table indexed differently |
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if (xtm == 1) { |
// WAS: if (ellipsoid > 22) |
scaleTm = 0.9999; |
eastingOrg = 304800.; |
} else { |
scaleTm = 0.9996; |
eastingOrg = 500000.; |
} |
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// Retour des données sous forme d'objet |
var ellipsoid = { axis: ellipsoid_axis[ellipsoid], |
eccentricity: ellipsoid_eccen[ellipsoid], |
eastingOrg: eastingOrg, |
scaleTm: scaleTm |
}; |
return ellipsoid; |
} |
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/**This routine determines the correct UTM letter designator for the given latitude |
* returns 'Z' if latitude is outside the UTM limits of 84N to 80S |
*/ |
function get_zoneletter(lat) { |
var zoneletter; |
if ((84 >= lat) && (lat >= 72)) zoneletter = 'X'; |
else if ((72 > lat) && (lat >= 64)) zoneletter = 'W'; |
else if ((64 > lat) && (lat >= 56)) zoneletter = 'V'; |
else if ((56 > lat) && (lat >= 48)) zoneletter = 'U'; |
else if ((48 > lat) && (lat >= 40)) zoneletter = 'T'; |
else if ((40 > lat) && (lat >= 32)) zoneletter = 'S'; |
else if ((32 > lat) && (lat >= 24)) zoneletter = 'R'; |
else if ((24 > lat) && (lat >= 16)) zoneletter = 'Q'; |
else if ((16 > lat) && (lat >= 8)) zoneletter = 'P'; |
else if (( 8 > lat) && (lat >= 0)) zoneletter = 'N'; |
else if (( 0 > lat) && (lat >= -8)) zoneletter = 'M'; |
else if ((-8> lat) && (lat >= -16)) zoneletter = 'L'; |
else if ((-16 > lat) && (lat >= -24)) zoneletter = 'K'; |
else if ((-24 > lat) && (lat >= -32)) zoneletter = 'J'; |
else if ((-32 > lat) && (lat >= -40)) zoneletter = 'H'; |
else if ((-40 > lat) && (lat >= -48)) zoneletter = 'G'; |
else if ((-48 > lat) && (lat >= -56)) zoneletter = 'F'; |
else if ((-56 > lat) && (lat >= -64)) zoneletter = 'E'; |
else if ((-64 > lat) && (lat >= -72)) zoneletter = 'D'; |
else if ((-72 > lat) && (lat >= -80)) zoneletter = 'C'; |
else zoneletter = chr(32 + 66); //This is here as an error flag to show that the Latitude is outside the UTM limits |
return zoneletter; |
} |
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function parseCoordinate(coordinate, type, format, spaced) { |
var coordd; |
var coordm; |
var coords; |
var coordh = 0; |
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if (coordinate.search(/(^ *-|[WOS])/i) >= 0) { |
coordh = -1; |
} |
if (coordinate.search(/(^ *\+|[NE])/i) >= 0) { |
coordh = 1; |
} |
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// if (coordinate.search(/[EW]/i) >= 0 && !type) { type = 'lon'; } |
// if (coordinate.search(/[NS]/i) >= 0 && !type) { type = 'lat'; } |
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coordinate = coordinate.replace(/,/g, '.'); // french commas |
// not sure really needed. |
coordinate = coordinate.replace(/[NESWO+\-]/gi,' '); // add also: °, ', " -- or replace everything that is not a number or a dot |
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// alert("coordinate = " + coordinate); |
if (coordinate.search(/[0-9]/i) < 0) { |
alert("Can't parse input field"); |
coordd = ""; |
return; |
} |
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// http://www.gpsvisualizer.com/calculators |
// http://www.javascriptkit.com/javatutors/redev2.shtml |
var parts = coordinate.match(/([0-9\.\-]+)[^0-9\.]*([0-9\.]+)?[^0-9\.]*([0-9\.]+)?/); |
// / (one or more) / |
// ([0-9\.\-]+) digits, dot or -, one set |
// [^0-9\.]* separator |
// ([0-9\.]+)? digits, dot, zero or one set |
// [^0-9\.]* separator |
// ([0-9\.]+)? digits, dot, zero or one set |
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// *: 0|more +: 1|more ?: 0|1 http://www.javascriptkit.com/javatutors/redev2.shtml |
if (!parts[1]) { |
alert("Can't parse input field"); |
coordd = ''; |
return; |
} else { |
coordd = parts[1]; |
if (parts[2]) { |
coordm = parts[2]; |
} else { |
coordm = 0; |
} |
if (parts[3]) { |
coords = parts[3]; |
} else { |
coords = 0; |
} |
// n = parseFloat(parts[1]); |
// if (parts[2]) { n = n + parseFloat(parts[2])/60; } |
// if (parts[3]) { n = n + parseFloat(parts[3])/3600; } |
} |
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// Retour des données sous forme d'objet |
var Coordonnee = { coordd: coordd, |
coordm: coordm, |
coords: coords, |
coordh: coordh |
}; |
return Coordonnee; |
} |
|
function validate_dms(latd, latm, lats, latb, lonm, lond, lons, lonb) { |
var valid = 1; |
if (Math.abs(Number(latd)) >= 90) |
valid = 0; |
if (Number(latm) >= 60) |
valid = 0; |
if (Number(lats) >= 60) |
valid = 0; |
if (Math.abs(Number(lond)) >= 180) |
valid = 0; |
if (Number(lonm) >= 60) |
valid = 0; |
if (Number(lons) >= 60) |
valid = 0; |
|
return(valid); |
} |
|
// convert decimal degrees to dms |
function convertir_en_dms(lat, lon) { |
var latbrg = 1; |
var lonbrg = 2; |
if (lat < 0) |
latbrg = 2 |
if (lon < 0) |
lonbrg = 1; |
// LEW: have to round here, else could end up with 60 seconds :-) |
var tlat = Math.abs(lat) + 0.5 / 360000; // round up 0.005 seconds (1/100th) |
var tlon = Math.abs(lon) + 0.5 / 360000; |
|
var tlatdm = Math.abs(lat) + 0.5 / 60000; // round up 0.0005 minutes (1/1000th) |
var tlondm = Math.abs(lon) + 0.5 / 60000; |
|
var deglat = Math.floor(tlat); |
var t = (tlat - deglat) * 60; |
var minlat = Math.floor(t); |
|
var minlatdm = Math.floor((tlatdm - Math.floor(tlatdm)) * 60 * 1000) / 1000; |
|
var seclat = (t - minlat) * 60; |
seclat = Math.floor(seclat * 100) / 100; // works in js 1.4 |
// seclat = seclat.toFixed(2); // 2 decimal places js 1.5 and later |
|
var deglon = Math.floor(tlon); |
|
t = (tlon - deglon) * 60; |
var minlon = Math.floor(t); |
|
var minlondm = Math.floor((tlondm - Math.floor(tlondm)) * 60 * 1000) / 1000; |
|
var seclon = (t - minlon) * 60; |
seclon = Math.floor(seclon * 100) / 100; // js 1.4 |
// seclon = seclon.toFixed(2); // js 1.5 and later |
|
var latb = ''; |
if (latbrg > 0) { |
latb = 'N';// 1 = N (nord) |
} else { |
latb = 'S';// 2 = S (sud) |
} |
var latdms = deglat + "° " + minlat + "' " + seclat + "\""; |
|
var lonb = ''; |
if (lonbrg > 0) { |
lonb = 'E'; // 2 = E (est) |
} else { |
lonb = 'W';// 1 = W (west) |
} |
var londms = deglon + "° " + minlon + "' " + seclon + "\""; |
|
var chaine_latlon_dms = latdms + ' ' + latb + ' ' + londms + ' ' + lonb; |
|
// Retour des données sous forme d'objet |
var LatLongDms = { lat: lat, |
lat_degre: Math.floor(tlatdm), |
lat_min: minlatdm, |
lat_s: seclat, |
lat_direction:latb, |
lat_dms:latdms, |
lon: lon, |
lon_degre: Math.floor(tlondm), |
lon_min: minlondm, |
lon_s: seclon, |
lon_direction:lonb, |
lon_dms:londms, |
ll_dms:chaine_latlon_dms |
}; |
return LatLongDms; |
} |
|
function calculer_coordonnee(lati, longi, ellips, xtm) { |
// Récupération de l'ellipsoide |
var ellipsoid = geo_constants(ellips, xtm); |
var axis = ellipsoid.axis; |
var eccent = ellipsoid.eccentricity; |
var scaleTm = ellipsoid.scaleTm; |
var eastingOrg = ellipsoid.eastingOrg; |
|
// Nous parsons la latitude saisie |
var CoordonneeLat = parseCoordinate(lati); |
var latb = '';// vide |
if (CoordonneeLat.coordh != 0) { |
if (CoordonneeLat.coordh > 0) { |
latb = 'N';// 1 = N (nord) |
} else { |
latb = 'S';// 2 = S (sud) |
} |
} |
var latd = CoordonneeLat.coordd; |
var latm = CoordonneeLat.coordm; |
var lats = CoordonneeLat.coords; |
|
// Nous parsons la longitude saisie |
var CoordonneeLon = parseCoordinate(longi); |
var lonb = '';// vide |
if (CoordonneeLon.coordh != 0) { |
if (CoordonneeLon.coordh > 0) { |
lonb = 'E'; // 2 = E (est) |
} else { |
lonb = 'W';// 1 = W (west) |
} |
} |
var lond = CoordonneeLon.coordd; |
var lonm = CoordonneeLon.coordm; |
var lons = CoordonneeLon.coords; |
|
// cope with blank fields |
if (latd == '' || lond == '') { |
alert("Latitude and longitude degrees must be entered"); |
return; |
} |
|
// Indication de la direction par défaut pour la latitude et la longitude en France |
if (latb == '') { |
latb = 'N';// 1 = N (Nord) |
} |
if (lonb == '') { |
lonb = 'E';// 2 = E (Est) |
} |
|
// Validation |
var valid = validate_dms(latd, latm, lats, latb, lonm, lond, lons, lonb); |
if (valid == 0) { |
alert("Invalid degrees, minutes or seconds"); |
return; |
} |
|
var lat = Number(latd); |
lat = lat + Number(latm) / 60; |
lat = lat + Number(lats) / 3600; |
if (latb == 'S') { // 2 = S |
lat = lat * -1; |
} |
var lon = Number(lond); |
lon = lon + Number(lonm) / 60; |
lon = lon + Number(lons) / 3600; |
if (lonb == 'W') { // 1 = W |
lon = lon * -1; |
} |
|
if (lat >= 84 || lat <= -80) { |
alert("UTM latitudes should be between 84N and 80S\nCalculation will proceed anyway as locator will be valid."); |
} |
|
var k0 = scaleTm; |
var latrad = lat * deg2rad; |
var longrad = lon * deg2rad; |
var zonenum = Math.floor((lon + 180) / 6) + 1; |
// @dc (180 - (-70.5))/3 - 76 |
if (eastingOrg == 304800.) { |
zonenum = Math.floor((180 - lon) / 3) - 76; // MTM, only in Quebec |
if (zonenum < 3 || zonenum > 10) { |
alert("MTM zone numbers only confirmed for 3-10, province of Quebec\nContinuing anyway"); |
} |
} |
|
if (lat >= 56.0 && lat < 64.0 && lon >= 3.0 && lon < 12.0 ) { |
zonenum = 32; |
} |
// Zones speciales pour Svalbard |
if( lat >= 72.0 && lat < 84.0 ) { |
if (lon >= 0.0 && lon < 9.0 ) zonenum = 31; |
else if ( lon >= 9.0 && lon < 21.0 ) zonenum = 33; |
else if ( lon >= 21.0 && lon < 33.0 ) zonenum = 35; |
else if ( lon >= 33.0 && lon < 42.0 ) zonenum = 37; |
} |
|
var lonorig = (zonenum - 1) * 6 - 180 + 3; //+3 puts origin in middle of zone |
// @dc 180 - (7+76) * 3 - 1.5 |
if (eastingOrg == 304800.) { |
lonorig = 180 - (zonenum + 76) * 3 - 1.5; |
} |
var lonorigrad = lonorig * deg2rad; |
|
//Récupération de la lettre du fuseau xTM |
var letter = get_zoneletter(lat); |
|
// Calcul xTM |
var eccPrimeSquared = (eccent) / (1 - eccent); |
var N = axis / Math.sqrt(1 - eccent * Math.sin(latrad) * Math.sin(latrad)); |
var T = Math.tan(latrad) * Math.tan(latrad); |
var C = eccPrimeSquared * Math.cos(latrad) * Math.cos(latrad); |
var A = Math.cos(latrad) * (longrad - lonorigrad); |
var M = axis * ((1 - eccent / 4 - 3 * eccent * eccent / 64 - 5 * eccent * eccent * eccent / 256) * latrad - (3 * eccent / 8 + 3 * eccent * eccent / 32 + 45 * eccent * eccent *eccent / 1024) * Math.sin(2 * latrad) + (15 * eccent * eccent / 256 + 45 * eccent * eccent * eccent / 1024) * Math.sin(4 * latrad) - (35 * eccent * eccent * eccent / 3072) * Math.sin(6 * latrad)); |
|
var easting = (k0 * N * (A + (1 - T + C) * A * A * A / 6 + (5 - 18 * T + T * T + 72 * C - 58 * eccPrimeSquared) * A * A * A * A * A / 120) + eastingOrg); |
var northing = (k0 * (M + N * Math.tan(latrad) * (A * A / 2 + (5 - T + 9 * C + 4 * C * C) * A * A * A * A / 24 + (61 - 58 * T + T * T + 600 * C - 330 * eccPrimeSquared) * A * A * A * A * A * A / 720))); |
if (lat < 0) { |
northing += 10000000.0; //10000000 meter offset for southern hemisphere |
} |
|
// xTM |
// Arrondi au nombre supérieur |
// alert("easting = " + easting); |
preciseEasting = easting; |
easting = Math.floor(easting + .5); |
// alert("easting = " + easting); |
// alert("northing = " + northing); |
preciseNorthing = northing; |
northing = Math.floor(northing + .5); |
// alert("northing = " + northing); |
var chaine_xtm = ''; |
var x_tm = ''; |
if (eastingOrg == 304800.) { |
chaine_xtm = zonenum + ' ' + easting + 'm E ' + northing + 'm N'; |
x_tm = 'MTM'; |
} else { |
chaine_xtm = zonenum + letter + ' ' + easting + 'm E ' + northing + 'm N'; |
x_tm = 'UTM'; |
} |
|
// Latitude/Longitude |
var chaine_latlon = lat + ' ' + latb + ' ' + lon + ' ' + lonb; |
var LatLongDms = convertir_en_dms(lat,lon); |
|
// Retour des données sous forme d'objet |
var Coordonnee = { xtm: x_tm, |
nord: northing, |
est: easting, |
zone_numero: zonenum, |
zone_lettre: letter, |
xtm_chaine: chaine_xtm, |
latitude:lat, |
longitude:lon, |
ll_chaine: chaine_latlon, |
latitude_dms:LatLongDms.lat_dms, |
longitude_dms:LatLongDms.lon_dms, |
ll_chaine_dms: LatLongDms.ll_dms |
}; |
return Coordonnee; |
} |
//]]> |
|
</script> |
|
<? |
} |
?> |
|
|