func New(config recon.PTreeConfig, path string) (ptree recon.PrefixTree, err error) {
tree := &prefixTree{
PTreeConfig: config,
path: path,
points: cf.Zpoints(cf.P_SKS, config.NumSamples())}
ptree = tree
return
}
// Init configures the tree with default settings if not already set,
// and initializes the internal state with sample data points, root node, etc.
func (t *MemPrefixTree) Init() {
t.PTreeConfig = defaultPTreeConfig
t.points = cf.Zpoints(cf.P_SKS, t.NumSamples())
t.allElements = cf.NewZSet()
t.Create()
}