HLIBpro  2.4
Public Member Functions | List of all members
TGeomPartCTBuilder Class Reference

Enhances other geometrical ct builders by allowing the user to define the first level of index partitioning by a given vector.

#include <TBSPCTBuilder.hh>

Inheritance diagram for TGeomPartCTBuilder:

Public Member Functions

 TGeomPartCTBuilder (const std::vector< idx_t > &first_lvl_part, const TGeomCTBuilder *base_builder, const adjust_depth_mode_t adjust_dpth)
virtual ~TGeomPartCTBuilder ()
virtual std::unique_ptr< TGeomClusterdivide (const TNodeSet &dofs, const uint lvl, const TBBox &bbox, const TOptClusterSize &csize, const idx_t index_ofs, data_t &data) const
 use user defined partition for first level and partitioning strategy for rest
- Public Member Functions inherited from TGeomCTBuilder
 TGeomCTBuilder (const uint n_min=CFG::Cluster::nmin, const uint min_leaf_lvl=0)
 construct cluster tree builder
virtual std::unique_ptr< TClusterTreebuild (const TCoordinate *coord, const idx_t idx_ofs=0) const

Additional Inherited Members

- Protected Member Functions inherited from TGeomCTBuilder
virtual std::unique_ptr< TGeomClusterbuild_leaf (const TNodeSet &dofs, const uint lvl, const idx_t index_ofs, const TBBox &bbox, data_t &data) const
 create a leaf in a clustertree containing indices in dofs
virtual TBBox compute_bb (const TNodeSet &dofs, const data_t &data) const
 compute bounding box of index set defined by dofs
virtual void update_bb (const TNodeSet &dofs, TBBox &bbox, const data_t &data) const
 update bounding box of index set defined by dofs
virtual void check_bb (TBBox &bbox, const data_t &data) const
 check and update bbox in case of degenerate axis, e.g. very small length
virtual TBBox support_size (const node_t node, const bool only_idx, const data_t &data) const
 compute support size for single index
- Protected Attributes inherited from TGeomCTBuilder
uint _n_min
 minimal size of a cluster, i.e. not smaller than this
uint _min_leaf_lvl
 minimal level on which leaves may occur
bool _adjust_bb
 flag for adjusting bounding boxes of nodes
bool _sort_wrt_size
 flag for sorting sub clusters w.r.t. size

Constructor & Destructor Documentation

TGeomPartCTBuilder ( const std::vector< idx_t > &  first_lvl_part,
const TGeomCTBuilder base_builder,
const adjust_depth_mode_t  adjust_dpth 

construct cluster tree with first partition defined by first_lvl_part and base ct builder base_builder