Closes #36
@@ -66,6 +66,8 @@
$lastx = $x; $lasty = $y; $lastz = $z;
}
+ header('Expires: ' . date(DateTime::RFC822, strtotime('+10 years')));
+ header('Cache-control: public');
header('Content-type: image/png');
imagecolortransparent($im, $w);
imagepng($im);