[mlpack-git] [mlpack/mlpack] Hilbert R tree (#664)
Ryan Curtin
notifications at github.com
Mon Jun 20 17:41:12 EDT 2016
> + ownsLocalDataset(false),
> + numValues(0),
> + valueToInsert(tree->Parent() ?
> + tree->Parent()->AuxiliaryInfo().HilbertValue().ValueToInsert() :
> + new arma::Col<HilbertElemType>(tree->Dataset().n_rows)),
> + ownsValueToInsert(tree->Parent() ? false : true)
> +{
> + // Calculate the Hilbert value for all points
> + if (!tree->Parent()) // This is the root node
> + ownsLocalDataset = true;
> + else if (tree->Parent()->Children()[0]->IsLeaf())
> + {
> + // This is a leaf node
> + assert(tree->Parent()->NumChildren() > 0);
> + ownsLocalDataset = true;
> + }
Should we change this now? If we have decided that the `localDataset` should be removed from `RectangleTree`, then I think that we can change `localDataset` and `ownsLocalDataset` here to `dataset` and `ownsDataset`, and make `ownsDataset` only true when the node is the root, not also when it is a leaf. Maybe `hilbertValues` is a better name than `dataset`, since that object is holding the Hilbert values for each dimension, not the actual dataset itself.
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