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<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="fr" lang="fr">
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<head>
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  <?php
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   require 'class/utils.class.php';
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   require_once 'constants.inc.php';
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   $form_extpoint = file_get_contents('html/form_extpoint.html');
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   $form_param = file_get_contents('html/form_param.html');
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   if (isset($_GET['dir']) && isset($_GET['panorama'])) {
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     $dir   = $_GET['dir'];
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     $name  = $_GET['panorama'];
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   } else {
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     $dir   = PANORAMA_PATH;
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     $name  = 'ttn_mediatheque';
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   }
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   $opt_vals = array();
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   foreach(array('to_cap', 'to_ele', 'to_zoom') as $val) {
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     if (!empty($_GET[$val])) $opt_vals[$val] = $_GET[$val];
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   }
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   $base_dir = $dir.'/'.$name;
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   $pt = new site_point($base_dir);
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   if(!$pt) die("impossible d'accéder à ".$base_dir." !\n");
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   $params = $pt->get_params();
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   $prefix = $pt->get_prefix();
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  ?>
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  <meta http-equiv="Content-type" content="text/html; charset=UTF-8"/>
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  <?php
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     $titre = 'panorama';
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     if ($params && isset($params['titre'])) $titre .= ' : '.$params['titre'];
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     printf ("<title>%s</title>\n", $titre);
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  ?>
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  <script>
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   <?php
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     printf ("var title = \"%s\";\n", $titre);
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     printf ("var img_prefix = '%s/%s';\n", $base_dir, $prefix);
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     if (is_array($params)) $opt_vals = array_merge($params, $opt_vals);
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     foreach(array('to_cap', 'to_ele', 'to_zoom', 'image_loop') as $val) {
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        if (isset($opt_vals[$val])) 
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        printf ('var '.$val.' = '.utils::php2ini($opt_vals[$val]).";\n"); // correction du décalage angulaire par rapport au Nord
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     }
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  ?>
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  </script>
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  <script src="js/pano.js"></script>
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  <script>window.onload = load_pano</script>
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  <script>
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  <?php
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     $zoom_array = $pt->get_magnifications();
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     foreach($zoom_array as $zoom => $val) {
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       echo "zooms[$zoom] = new tzoom($zoom);\n";
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       echo "zooms[$zoom].ntiles.x = ".$val['nx'].";\n";
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       echo "zooms[$zoom].ntiles.y = ".$val['ny'].";\n";
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       $size = getimagesize(sprintf($base_dir.'/'.$prefix.'_%03d_%03d_%03d.jpg', $zoom, 0, 0));
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       echo "zooms[$zoom].tile.width = ".$size[0].";\n";
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       echo "zooms[$zoom].tile.height = ".$size[1].";\n";
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       $size = getimagesize(sprintf($base_dir.'/'.$prefix.'_%03d_%03d_%03d.jpg', $zoom, $val['nx']-1, $val['ny']-1));
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       echo "zooms[$zoom].last_tile.width = ".$size[0].";\n";
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       echo "zooms[$zoom].last_tile.height = ".$size[1].";\n";
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     }
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   $dir_list = new sites_dir($dir);
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   $ipt = 0;
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  foreach(site_point::get_all() as $opt) {
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     $prm = $opt->get_params();
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     $oname = $opt->get_name();
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     if (($oname != $name) && $opt->has_params()) {
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       list($dist, $cap, $ele) = $pt->coordsToCap($prm['latitude'], $prm['longitude'], $prm['altitude']);
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       // Looks back at the point from which we come.
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       $lnk = $opt->get_url($cap + 180, -$ele);
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       printf('point_list[%d] = new Array("%s", %03lf, %03lf, %03lf, "%s");'."\n", $ipt++, $prm['titre'], $dist, $cap, $ele, $lnk);
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     }
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   }
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   $ref_points = array ();
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   $ref_points_filename = 'ref_points.local.php';
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   if (file_exists($ref_points_filename)) {
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     include $ref_points_filename;
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   }
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   $extra_names = array();
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   $ref_names = array();
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   if (is_array($ref_points)) {
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     foreach ($ref_points as $name => $vals) {
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       $extra_names[] = $name;
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       list($dist, $cap, $ele) = $pt->coordsToCap($vals[0], $vals[1], $vals[2]);
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       $ref_names[$name] = array($dist, $cap, $ele);
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       printf('point_list[%d] = new Array("%s", %03lf, %03lf, %03lf, "");'."\n", $ipt++, $name, $dist, $cap, $ele);
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     }
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   }
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   if (isset($params['reference'])) {
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     echo "ref_points = new Array();\n";
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     foreach ($params['reference'] as $nm => $val) {
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       if (isset($ref_names[$nm])) {
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         list($dist, $cap, $ele) = $ref_names[$nm];
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         list($px, $py) = $val;
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         printf("ref_points[\"%s\"] = {x:%.5f, cap:%.5f, y:%.5f, ele:%.5f};\n", $nm, $px, $cap, $py, $ele);
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       }
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     }
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   }
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   $localLat = (isset($_POST["loca_latitude"])) ? $_POST["loca_latitude"] : NULL;
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   $localLon = (isset($_POST["loca_longitude"])) ? $_POST["loca_longitude"] : NULL;
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   $localAlt = (isset($_POST["loca_altitude"])) ? $_POST["loca_altitude"] : NULL;
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   if ($localLat && $localLon && $localAlt) {
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     list($localDistance, $localCap, $localEle) = $pt->coordsToCap($localLat, $localLon, $localAlt);
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     $n = "point temporaire";
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     printf('point_list[%d] = new Array("%s", %03lf, %03lf, %03lf, "temporary");'."\n",$ipt++, $n, $localDistance, $localCap, $localEle);
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   }
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  ?>
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  </script>
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  <link type="image/x-icon" rel="shortcut icon" href="images/tsf.png"/>
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  <link rel="stylesheet" media="screen" href="css/map.css" />
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  <script src="js/hide_n_showForm.js"></script>
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</head>
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<body>
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  <canvas id="mon-canvas">
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    Ce message indique que ce navigateur est vétuste car il ne supporte pas <samp>canvas</samp> (IE6, IE7, IE8, ...)
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  </canvas>
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  <fieldset id="control"><legend>contrôle</legend>
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      <label>Zoom : <input type="range" min="0" max="2" value="2" id="zoom_ctrl"/></label>
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      <label>Cap : <input type="number" min="0" max="360" step="10" value="0" autofocus="" id="angle_ctrl"/></label>
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      <label>Élévation : <input type="number" min="-90" max="90" step="1" value="0" autofocus="" id="elvtn_ctrl"/></label>
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  </fieldset>
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  <?php
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     if ($params && isset($params['latitude']) && isset($params['longitude'])) {
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       print("<div id=\"params\">\n");
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       printf ("<p>latitude :   <em><span id=\"pos_lat\">%.5f</span>°</em></p>\n", $params['latitude']);
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       printf ("<p>longitude : <em><span id=\"pos_lon\">%.5f</span>°</em></p>\n", $params['longitude']);
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       if (isset($params['altitude'])) printf ("<p>altitude : <em><span id=\"pos_alt\">%d</span> m</em></p>\n", $params['altitude']);
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       print("</div>\n");
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       echo $form_extpoint;
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     } elseif ($params == false ) {
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             $dir   = $_GET['dir'];
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        $name  = $_GET['panorama'];
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        printf($form_param, $name, $name);
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     }
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     echo '<p id="info"></p>'."\n";
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     echo "<p id=\"insert\">";
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     if (count($extra_names) > 1) {
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       echo "<select id=\"sel_point\" name=\"known_points\">\n";
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       foreach ($extra_names as $nm) {
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             echo '<option>'.$nm."</option>\n";
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       }
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       echo "</select>\n";
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       echo "<input type=\"button\" id=\"do-insert\" value=\"insérer\"/>\n";
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       echo "<input type=\"button\" id=\"do-delete\" value=\"suppimer\"/>\n";
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       echo "<input type=\"button\" id=\"show-cap\" value=\"visualiser cet axe sur OSM\"/>\n";
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     } else {
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       echo "Pas de point de reférénce connu, lisez le <em>README.md</em> pour en ajouter. \n";
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     }
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     echo "<input type=\"button\" id=\"do-cancel\" value=\"annuler\"/>\n";
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     echo "</p>\n";
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  ?>
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  <p id="res"></p>
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  <div class="validators">
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    page validée par
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       <a href="http://validator.w3.org/check?uri=referer"><img src="images/valid_xhtml.svg" alt="Valid XHTML" title="xHTML validé !"/></a>
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       <a href="http://jigsaw.w3.org/css-validator/check/referer"><img src="images/valid_css.svg" alt="CSS validé !" title="CSS validé !"/></a>
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  </div>
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</body>
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</html>