exit;
}
$x1 = $_REQUEST['x1'];
$y1 = $_REQUEST['y1'];
$x2 = $_REQUEST['x2'];
$y2 = $_REQUEST['y2'];
if (isset($_SESSION['maps']) && isset($_SESSION['maps'][$mapName])) {
$oMap = ms_newMapObj($_SESSION['maps'][$mapName]);
}
if ($oMap->units == MS_DD) {
/*this already returns a meter*/
$distance = distHaversine($x1, $y1, $x2, $y2);
} else {
$distance = sqrt(pow($x2 - $x1, 2) + pow($y2 - $y1, 2));
/*convert to meter*/
$distance = GetMetersPerUnit($oMap->units) * $distance;
}
header('Content-type: application/json');
header('X-JSON: true');
echo "{distance:{$distance}}";
exit;
} catch (MgException $e) {
echo "last error";
echo "ERROR: " . $e->GetExceptionMessage() . "\n";
echo $e->GetDetails() . "\n";
echo $e->GetStackTrace() . "\n";
}
/************************************************************************/
/* Calculate distance in meters fro 2 lat/long coordinates. */
/* Comes from http://www.movable-type.co.uk/scripts/latlong.html */
/************************************************************************/
$mapObj = NULL;
if ($oMap) {
$mapName = $oMap->name;
//header('Content-type: application/json');
//header('X-JSON: true');
$mapObj->sessionId = $sessionID;
$mapObj->mapId = $mapId;
$mapObj->metadata = NULL;
if (isset($_REQUEST['map_metadata'])) {
$mapMetadataKeys = explode(',', $_REQUEST['map_metadata']);
foreach ($mapMetadataKeys as $key) {
$mapObj->metadata->{$key} = $oMap->getMetadata($key);
}
}
$mapObj->projString = $oMap->getProjection();
$mapObj->metersPerUnit = GetMetersPerUnit($oMap->units);
$mapObj->dpi = $oMap->resolution;
$mapObj->imagetype = $oMap->imagetype;
$mapObj->mapName = $oMap->name;
if (!isset($_SESSION['maps'])) {
$_SESSION['maps'] = array();
}
if (!isset($_SESSION['maps'][$mapObj->mapName])) {
$_SESSION['maps'][$mapObj->mapName] = $mapId;
}
$mapObj->extent = array($oMap->extent->minx, $oMap->extent->miny, $oMap->extent->maxx, $oMap->extent->maxy);
$minScale = $oMap->web->minscale == -1 ? MIN_SCALE : $oMap->web->minscale;
$maxScale = $oMap->web->maxscale == -1 ? MAX_SCALE : $oMap->web->maxscale;
$title = $oMap->getmetadata('legend_title');
$mapObj->mapTitle = $title == "" ? $mapObj->mapName : $title;
//layers
