readNotCondition( SGPropertyNode *prop_root, const SGPropertyNode *node )
{
int nChildren = node->nChildren();
for (int i = 0; i < nChildren; i++) {
const SGPropertyNode * child = node->getChild(i);
readNotCondition( SGPropertyNode *prop_root, const SGPropertyNode *node )
{
int nChildren = node->nChildren();
for (int i = 0; i < nChildren; i++) {
const SGPropertyNode * child = node->getChild(i);