DOLFIN
DOLFIN C++ interface
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Specialization of bounding box implementation to 3D. More...
#include <BoundingBoxTree3D.h>
Classes | |
struct | less_x_bbox |
Comparison operators for sorting of bounding boxes. More... | |
struct | less_y_bbox |
Less than operator in y-direction. More... | |
struct | less_z_bbox |
Less than operator in z-direction. More... | |
Protected Member Functions | |
std::size_t | gdim () const |
Return geometric dimension. | |
const double * | get_bbox_coordinates (unsigned int node) const |
Return bounding box coordinates for node. | |
bool | point_in_bbox (const double *x, const unsigned int node) const |
Check whether point (x) is in bounding box (node) | |
bool | bbox_in_bbox (const double *a, unsigned int node) const |
Check whether bounding box (a) collides with bounding box (node) | |
double | compute_squared_distance_bbox (const double *x, unsigned int node) const |
Compute squared distance between point and bounding box. | |
double | compute_squared_distance_point (const double *x, unsigned int node) const |
Compute squared distance between point and point. | |
void | compute_bbox_of_bboxes (double *bbox, std::size_t &axis, const std::vector< double > &leaf_bboxes, const std::vector< unsigned int >::iterator &begin, const std::vector< unsigned int >::iterator &end) |
Compute bounding box of bounding boxes. | |
void | compute_bbox_of_points (double *bbox, std::size_t &axis, const std::vector< Point > &points, const std::vector< unsigned int >::iterator &begin, const std::vector< unsigned int >::iterator &end) |
Compute bounding box of points. | |
void | sort_bboxes (std::size_t axis, const std::vector< double > &leaf_bboxes, const std::vector< unsigned int >::iterator &begin, const std::vector< unsigned int >::iterator &middle, const std::vector< unsigned int >::iterator &end) |
Sort leaf bounding boxes along given axis. | |
Protected Member Functions inherited from dolfin::GenericBoundingBoxTree | |
void | clear () |
Clear existing data if any. | |
unsigned int | _build (const std::vector< double > &leaf_bboxes, const std::vector< unsigned int >::iterator &begin, const std::vector< unsigned int >::iterator &end, std::size_t gdim) |
Build bounding box tree for entities (recursive) | |
unsigned int | _build (const std::vector< Point > &points, const std::vector< unsigned int >::iterator &begin, const std::vector< unsigned int >::iterator &end, std::size_t gdim) |
Build bounding box tree for points (recursive) | |
void | build_point_search_tree (const Mesh &mesh) const |
Compute point search tree if not already done. | |
void | compute_bbox_of_entity (double *b, const MeshEntity &entity, std::size_t gdim) const |
Compute bounding box of mesh entity. | |
void | sort_points (std::size_t axis, const std::vector< Point > &points, const std::vector< unsigned int >::iterator &begin, const std::vector< unsigned int >::iterator &middle, const std::vector< unsigned int >::iterator &end) |
Sort points along given axis. | |
unsigned int | add_bbox (const BBox &bbox, const double *b, std::size_t gdim) |
Add bounding box and coordinates. | |
const BBox & | get_bbox (unsigned int node) const |
Return bounding box for given node. | |
unsigned int | num_bboxes () const |
Return number of bounding boxes. | |
unsigned int | add_point (const BBox &bbox, const Point &point, std::size_t gdim) |
Add bounding box and point coordinates. | |
bool | is_leaf (const BBox &bbox, unsigned int node) const |
Check whether bounding box is a leaf node. | |
void | tree_print (std::stringstream &s, unsigned int i) |
Print out recursively, for debugging. | |
Additional Inherited Members | |
Public Member Functions inherited from dolfin::GenericBoundingBoxTree | |
GenericBoundingBoxTree () | |
Constructor. | |
virtual | ~GenericBoundingBoxTree () |
Destructor. | |
void | build (const Mesh &mesh, std::size_t tdim) |
Build bounding box tree for mesh entities of given dimension. | |
void | build (const std::vector< Point > &points) |
Build bounding box tree for point cloud. | |
std::vector< unsigned int > | compute_collisions (const Point &point) const |
Compute all collisions between bounding boxes and Point | |
std::pair< std::vector< unsigned int >, std::vector< unsigned int > > | compute_collisions (const GenericBoundingBoxTree &tree) const |
Compute all collisions between bounding boxes and BoundingBoxTree | |
std::vector< unsigned int > | compute_entity_collisions (const Point &point, const Mesh &mesh) const |
Compute all collisions between entities and Point | |
std::vector< unsigned int > | compute_process_collisions (const Point &point) const |
Compute all collisions between processes and Point | |
std::pair< std::vector< unsigned int >, std::vector< unsigned int > > | compute_entity_collisions (const GenericBoundingBoxTree &tree, const Mesh &mesh_A, const Mesh &mesh_B) const |
Compute all collisions between entities and BoundingBoxTree | |
unsigned int | compute_first_collision (const Point &point) const |
Compute first collision between bounding boxes and Point | |
unsigned int | compute_first_entity_collision (const Point &point, const Mesh &mesh) const |
Compute first collision between entities and Point | |
std::pair< unsigned int, double > | compute_closest_entity (const Point &point, const Mesh &mesh) const |
Compute closest entity and distance to Point | |
std::pair< unsigned int, double > | compute_closest_point (const Point &point) const |
Compute closest point and distance to Point | |
std::string | str (bool verbose=false) |
Print out for debugging. | |
Static Public Member Functions inherited from dolfin::GenericBoundingBoxTree | |
static std::shared_ptr< GenericBoundingBoxTree > | create (unsigned int dim) |
Factory function returning (empty) tree of appropriate dimension. | |
Static Protected Member Functions inherited from dolfin::GenericBoundingBoxTree | |
static void | _compute_collisions (const GenericBoundingBoxTree &tree, const Point &point, unsigned int node, std::vector< unsigned int > &entities, const Mesh *mesh) |
static void | _compute_collisions (const GenericBoundingBoxTree &A, const GenericBoundingBoxTree &B, unsigned int node_A, unsigned int node_B, std::vector< unsigned int > &entities_A, std::vector< unsigned int > &entities_B, const Mesh *mesh_A, const Mesh *mesh_B) |
static unsigned int | _compute_first_collision (const GenericBoundingBoxTree &tree, const Point &point, unsigned int node) |
static unsigned int | _compute_first_entity_collision (const GenericBoundingBoxTree &tree, const Point &point, unsigned int node, const Mesh &mesh) |
static void | _compute_closest_entity (const GenericBoundingBoxTree &tree, const Point &point, unsigned int node, const Mesh &mesh, unsigned int &closest_entity, double &R2) |
static void | _compute_closest_point (const GenericBoundingBoxTree &tree, const Point &point, unsigned int node, unsigned int &closest_point, double &R2) |
Protected Attributes inherited from dolfin::GenericBoundingBoxTree | |
std::size_t | _tdim |
Topological dimension of leaf entities. | |
std::vector< BBox > | _bboxes |
List of bounding boxes (parent-child-entity relations) | |
std::vector< double > | _bbox_coordinates |
List of bounding box coordinates. | |
std::shared_ptr< GenericBoundingBoxTree > | _point_search_tree |
Point search tree used to accelerate distance queries. | |
std::shared_ptr< GenericBoundingBoxTree > | _global_tree |
Global tree for mesh ownership of each process (same on all processes) | |
Specialization of bounding box implementation to 3D.