function data_to_real(&$x, &$y)
{
$x = coordinate_to_number(coordinate_take_apart($x));
$y = coordinate_to_number(coordinate_take_apart($y));
$z = $x;
$x = $y;
$y = $z;
# Switching y/x to x/y
$y = 90 * 3600 - $y;
# displaying from north to south
# Recording min and max for viewbox
$this->min_x = min($this->min_x, $x);
$this->min_y = min($this->min_y, $y);
$this->max_x = max($this->max_x, $x);
$this->max_y = max($this->max_y, $y);
}
if (count($c2) > 0) {
array_pop($c2);
}
$c2 = implode(";", $c2);
$coords = implode(";", $coords);
print "\n<a href=\"" . htmlspecialchars(make_link($coords)) . "&\">" . "<img src=\"" . htmlspecialchars($image) . "\" ismap/></a>\n";
print "<br /><a href=\"" . htmlspecialchars(make_link($c2)) . "\">Remove last coordinates</a>";
print " | <a href=\"" . htmlspecialchars(make_link(array())) . "\">Reset</a>";
# Conversion form
if (isset($_POST['convert'])) {
$p1 = explode(",", $_POST['p1']);
$p2 = explode(",", $_POST['p2']);
$np1 = explode(",", $_POST['np1']);
$np2 = explode(",", $_POST['np2']);
$np1 = array(coordinate_to_number($np1[0]), coordinate_to_number($np1[1]));
$np2 = array(coordinate_to_number($np2[0]), coordinate_to_number($np2[1]));
$cx = coord_conversion_params($np1[1], $np2[1], $p1[0], $p2[0]);
$cy = coord_conversion_params($np1[0], $np2[0], $p1[1], $p2[1]);
$t = $_POST['ctext'];
$coords = "";
$t = explode(" ", $t);
foreach ($t as $s) {
$s = explode(",", trim($s));
if (count($s) == 2) {
$np = point_to_coords($s, $cx, $cy);
$coords[] = coordinate_write($np[1]) . "," . coordinate_write($np[0]);
}
}
$coords = implode(" ", $coords);
# For output
$p1 = htmlspecialchars($_POST['p1']);