HLIBpro  2.9.1
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:
TGeomCTBuilder

Public Member Functions

 TGeomPartCTBuilder (const std::vector< idx_t > &first_lvl_part, const TGeomCTBuilder *base_builder, const adjust_depth_mode_t adjust_depth)
 
virtual ~TGeomPartCTBuilder ()
 dtor
 
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
 
void adjust_bb (const bool b)
 set flag for adjusting bounding box
 
void sort_wrt_size (const bool b)
 set flag for sorting son cluster wrt. size
 

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
 
- 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()

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

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