public function read()
{
$data = TDT::HttpRequest("http://www.mobielbrussel.irisnet.be/villo/json/");
$decoded = json_decode($data->data);
//todo: convert to wished format
$result = array();
$gpoint = new gPoint();
foreach ($decoded->features as $feature) {
$station = new Object();
$station->name = $feature->properties->NAME;
$station->freebikes = $feature->properties->FREEBK;
$station->freespots = $feature->properties->FREEBS;
$station->state = $feature->properties->STATE;
// Configure the gPoint library to use the Lambert Projection for Belgium
$gpoint->configLambertProjection(150000.013, 5400088.438, 4.367487, 90, 49.833333, 51.166666);
$x = $feature->geometry->coordinates[0];
$y = $feature->geometry->coordinates[1];
$gpoint->setLambert($x, $y);
// Convert the Lambert Coordinates to Latitude and Longitude (using the gPoint Library)
$gpoint->convertLCCtoLL();
$station->latitude = $gpoint->lat;
$station->longitude = $gpoint->long;
if ($this->lat != null && $this->long != null) {
$station->distance = $gpoint->distanceFrom($this->long, $this->lat);
}
array_push($result, $station);
}
function compare($a, $b)
{
if ($a->distance == $b->distance) {
return 0;
}
return $a->distance < $b->distance ? -1 : 1;
}
if ($this->lat != null && $this->long != null) {
usort($result, "compare");
}
return array_slice($result, $this->offset, $this->rowcount);
}
