function render($doc)
{
$X = parent::render($doc);
if (isset($this->altitude)) {
$X->appendChild(XML_create_text_element($doc, 'altitude', $this->altitude));
}
if (isset($this->altitudeMode)) {
$X->appendChild(XML_create_text_element($doc, 'altitudeMode', $this->altitudeMode));
}
$X->appendChild($this->LatLonBox->render($doc));
return $X;
}
function render($doc)
{
$X = parent::render($doc);
if (isset($this->overlayXY)) {
$X->appendChild(XML_create_text_element($doc, 'overlayXY', null, $this->overlayXY));
}
if (isset($this->screenXY)) {
$X->appendChild(XML_create_text_element($doc, 'screenXY', null, $this->screenXY));
}
if (isset($this->rotationXY)) {
$X->appendChild(XML_create_text_element($doc, 'rotationXY', null, $this->rotationXY));
}
if (isset($this->size)) {
$X->appendChild(XML_create_text_element($doc, 'size', null, $this->size));
}
if (isset($this->rotation)) {
$X->appendChild(XML_create_text_element($doc, 'rotation', $this->rotation));
}
return $X;
}