/**
* get pan url, if possible - return empty string if limit is hit
* @param xdir = amount of left/right panning, e.g. -1 to pan left
* @param ydir = amount of up/down panning, e.g. 1 to pan up
* @access public
*/
function getPanToken($xdir, $ydir)
{
$out = new GeographMap();
//no panning unless you are zoomed in
if ($this->pixels_per_km >= 1) {
//start with same params
$out->setScale($this->pixels_per_km);
$out->setImageSize($this->image_w, $this->image_h);
$out->type_or_user = $this->type_or_user;
//pan half a map
//figure out image size in km
$mapw = $out->image_w / $out->pixels_per_km;
$maph = $out->image_h / $out->pixels_per_km;
//figure out how many pixels to pan by
$panx = round($mapw / 2);
$pany = round($maph / 2);
$out->setOrigin($this->map_x + $panx * $xdir, $this->map_y + $pany * $ydir, true);
}
return $out->getToken();
}
*/
require_once 'geograph/global.inc.php';
require_once 'geograph/gridsquare.class.php';
require_once 'geograph/gridimage.class.php';
require_once 'geograph/map.class.php';
require_once 'geograph/mapmosaic.class.php';
require_once 'geograph/image.inc.php';
init_session();
$map = new GeographMap();
if (isset($_GET['key'])) {
$map->_outputDepthKey();
}
if (isset($_GET['refresh']) && $_GET['refresh'] == 2 && $USER->hasPerm('admin')) {
$map->caching = false;
}
$map->setOrigin(0, -10);
$map->setImageSize(1200 / 2, 1700 / 2);
$map->setScale(1.3 / 2);
$year = !empty($_GET['year']) ? intval($_GET['year']) : date('Y');
if ((!isset($_GET['year']) || !empty($_GET['year'])) && $year >= 2004 && $year <= date('Y')) {
$map->type_or_user = -1 * $year;
} elseif (isset($_GET['depth'])) {
$map->setOrigin(0, -10);
$map->setImageSize(900, 1300);
$map->setScale(1);
unset($CONF['enable_newmap']);
$map->type_or_user = -1;
} elseif (isset($_GET['number'])) {
$map->setOrigin(0, -10);
$map->setImageSize(900, 1300);
$map->setScale(1);
