hpp-fcl  1.4.4
HPP fork of FCL -- The Flexible Collision Library
hpp::fcl::BVHModel< BV > Class Template Reference

A class describing the bounding hierarchy of a mesh model or a point cloud model (which is viewed as a degraded version of mesh) More...

#include <hpp/fcl/BVH/BVH_model.h>

Inheritance diagram for hpp::fcl::BVHModel< BV >:
Collaboration diagram for hpp::fcl::BVHModel< BV >:

Public Member Functions

 BVHModel ()
 Constructing an empty BVH. More...
 
 BVHModel (const BVHModel &other)
 copy from another BVH More...
 
 ~BVHModel ()
 deconstruction, delete mesh data related. More...
 
const BVNode< BV > & getBV (int id) const
 We provide getBV() and getNumBVs() because BVH may be compressed (in future), so we must provide some flexibility here. More...
 
BVNode< BV > & getBV (int id)
 Access the bv giving the its index. More...
 
int getNumBVs () const
 Get the number of bv in the BVH. More...
 
NODE_TYPE getNodeType () const
 Get the BV type: default is unknown. More...
 
int memUsage (int msg) const
 Check the number of memory used. More...
 
void makeParentRelative ()
 This is a special acceleration: BVH_model default stores the BV's transform in world coordinate. However, we can also store each BV's transform related to its parent BV node. When traversing the BVH, this can save one matrix transformation. More...
 
template<>
NODE_TYPE getNodeType () const
 Specialization of getNodeType() for BVHModel with different BV types. More...
 
template<>
NODE_TYPE getNodeType () const
 get the node type More...
 
template<>
NODE_TYPE getNodeType () const
 get the node type More...
 
template<>
NODE_TYPE getNodeType () const
 get the node type More...
 
template<>
NODE_TYPE getNodeType () const
 get the node type More...
 
template<>
NODE_TYPE getNodeType () const
 get the node type More...
 
template<>
NODE_TYPE getNodeType () const
 get the node type More...
 
template<>
NODE_TYPE getNodeType () const
 get the node type More...
 
- Public Member Functions inherited from hpp::fcl::BVHModelBase
BVHModelType getModelType () const
 Model type described by the instance. More...
 
 BVHModelBase ()
 Constructing an empty BVH. More...
 
 BVHModelBase (const BVHModelBase &other)
 copy from another BVH More...
 
virtual ~BVHModelBase ()
 deconstruction, delete mesh data related. More...
 
OBJECT_TYPE getObjectType () const
 Get the object type: it is a BVH. More...
 
void computeLocalAABB ()
 Compute the AABB for the BVH, used for broad-phase collision. More...
 
int beginModel (int num_tris=0, int num_vertices=0)
 Begin a new BVH model. More...
 
int addVertex (const Vec3f &p)
 Add one point in the new BVH model. More...
 
int addTriangle (const Vec3f &p1, const Vec3f &p2, const Vec3f &p3)
 Add one triangle in the new BVH model. More...
 
int addSubModel (const std::vector< Vec3f > &ps, const std::vector< Triangle > &ts)
 Add a set of triangles in the new BVH model. More...
 
int addSubModel (const std::vector< Vec3f > &ps)
 Add a set of points in the new BVH model. More...
 
int endModel ()
 End BVH model construction, will build the bounding volume hierarchy. More...
 
int beginReplaceModel ()
 Replace the geometry information of current frame (i.e. should have the same mesh topology with the previous frame) More...
 
int replaceVertex (const Vec3f &p)
 Replace one point in the old BVH model. More...
 
int replaceTriangle (const Vec3f &p1, const Vec3f &p2, const Vec3f &p3)
 Replace one triangle in the old BVH model. More...
 
int replaceSubModel (const std::vector< Vec3f > &ps)
 Replace a set of points in the old BVH model. More...
 
int endReplaceModel (bool refit=true, bool bottomup=true)
 End BVH model replacement, will also refit or rebuild the bounding volume hierarchy. More...
 
int beginUpdateModel ()
 Replace the geometry information of current frame (i.e. should have the same mesh topology with the previous frame). The current frame will be saved as the previous frame in prev_vertices. More...
 
int updateVertex (const Vec3f &p)
 Update one point in the old BVH model. More...
 
int updateTriangle (const Vec3f &p1, const Vec3f &p2, const Vec3f &p3)
 Update one triangle in the old BVH model. More...
 
int updateSubModel (const std::vector< Vec3f > &ps)
 Update a set of points in the old BVH model. More...
 
int endUpdateModel (bool refit=true, bool bottomup=true)
 End BVH model update, will also refit or rebuild the bounding volume hierarchy. More...
 
void buildConvexRepresentation (bool share_memory)
 Build this Convex<Triangle> representation of this model. More...
 
Vec3f computeCOM () const
 compute center of mass More...
 
FCL_REAL computeVolume () const
 compute the volume More...
 
Matrix3f computeMomentofInertia () const
 compute the inertia matrix, related to the origin More...
 
- Public Member Functions inherited from hpp::fcl::CollisionGeometry
 CollisionGeometry ()
 
virtual ~CollisionGeometry ()
 
void * getUserData () const
 get user data in geometry More...
 
void setUserData (void *data)
 set user data in geometry More...
 
bool isOccupied () const
 whether the object is completely occupied More...
 
bool isFree () const
 whether the object is completely free More...
 
bool isUncertain () const
 whether the object has some uncertainty More...
 
virtual Matrix3f computeMomentofInertiaRelatedToCOM () const
 compute the inertia matrix, related to the com More...
 

Public Attributes

boost::shared_ptr< BVSplitter< BV > > bv_splitter
 Split rule to split one BV node into two children. More...
 
boost::shared_ptr< BVFitter< BV > > bv_fitter
 Fitting rule to fit a BV node to a set of geometry primitives. More...
 
- Public Attributes inherited from hpp::fcl::BVHModelBase
Vec3fvertices
 Geometry point data. More...
 
Triangletri_indices
 Geometry triangle index data, will be NULL for point clouds. More...
 
Vec3fprev_vertices
 Geometry point data in previous frame. More...
 
int num_tris
 Number of triangles. More...
 
int num_vertices
 Number of points. More...
 
BVHBuildState build_state
 The state of BVH building process. More...
 
boost::shared_ptr< ConvexBaseconvex
 Convex<Triangle> representation of this object. More...
 
- Public Attributes inherited from hpp::fcl::CollisionGeometry
Vec3f aabb_center
 AABB center in local coordinate. More...
 
FCL_REAL aabb_radius
 AABB radius. More...
 
AABB aabb_local
 AABB in local coordinate, used for tight AABB when only translation transform. More...
 
void * user_data
 pointer to user defined data specific to this object More...
 
FCL_REAL cost_density
 collision cost for unit volume More...
 
FCL_REAL threshold_occupied
 threshold for occupied ( >= is occupied) More...
 
FCL_REAL threshold_free
 threshold for free (<= is free) More...
 

Additional Inherited Members

- Protected Attributes inherited from hpp::fcl::BVHModelBase
int num_tris_allocated
 
int num_vertices_allocated
 
int num_vertex_updated
 

Detailed Description

template<typename BV>
class hpp::fcl::BVHModel< BV >

A class describing the bounding hierarchy of a mesh model or a point cloud model (which is viewed as a degraded version of mesh)

Template Parameters
BVone of the bounding volume class in Bounding volumes.

Constructor & Destructor Documentation

◆ BVHModel() [1/2]

template<typename BV>
hpp::fcl::BVHModel< BV >::BVHModel ( )

Constructing an empty BVH.

◆ BVHModel() [2/2]

template<typename BV>
hpp::fcl::BVHModel< BV >::BVHModel ( const BVHModel< BV > &  other)

copy from another BVH

◆ ~BVHModel()

template<typename BV>
hpp::fcl::BVHModel< BV >::~BVHModel ( )
inline

deconstruction, delete mesh data related.

Member Function Documentation

◆ getBV() [1/2]

template<typename BV>
const BVNode<BV>& hpp::fcl::BVHModel< BV >::getBV ( int  id) const
inline

We provide getBV() and getNumBVs() because BVH may be compressed (in future), so we must provide some flexibility here.

Access the bv giving the its index

◆ getBV() [2/2]

template<typename BV>
BVNode<BV>& hpp::fcl::BVHModel< BV >::getBV ( int  id)
inline

Access the bv giving the its index.

◆ getNodeType() [1/9]

template<typename BV>
NODE_TYPE hpp::fcl::BVHModel< BV >::getNodeType ( ) const
inlinevirtual

Get the BV type: default is unknown.

Reimplemented from hpp::fcl::CollisionGeometry.

◆ getNodeType() [2/9]

template<>
NODE_TYPE hpp::fcl::BVHModel< AABB >::getNodeType ( ) const
virtual

Specialization of getNodeType() for BVHModel with different BV types.

Reimplemented from hpp::fcl::CollisionGeometry.

◆ getNodeType() [3/9]

template<>
NODE_TYPE hpp::fcl::BVHModel< OBB >::getNodeType ( ) const
virtual

get the node type

Reimplemented from hpp::fcl::CollisionGeometry.

◆ getNodeType() [4/9]

template<>
NODE_TYPE hpp::fcl::BVHModel< RSS >::getNodeType ( ) const
virtual

get the node type

Reimplemented from hpp::fcl::CollisionGeometry.

◆ getNodeType() [5/9]

template<>
NODE_TYPE hpp::fcl::BVHModel< kIOS >::getNodeType ( ) const
virtual

get the node type

Reimplemented from hpp::fcl::CollisionGeometry.

◆ getNodeType() [6/9]

template<>
NODE_TYPE hpp::fcl::BVHModel< OBBRSS >::getNodeType ( ) const
virtual

get the node type

Reimplemented from hpp::fcl::CollisionGeometry.

◆ getNodeType() [7/9]

template<>
NODE_TYPE hpp::fcl::BVHModel< KDOP< 16 > >::getNodeType ( ) const
virtual

get the node type

Reimplemented from hpp::fcl::CollisionGeometry.

◆ getNodeType() [8/9]

template<>
NODE_TYPE hpp::fcl::BVHModel< KDOP< 18 > >::getNodeType ( ) const
virtual

get the node type

Reimplemented from hpp::fcl::CollisionGeometry.

◆ getNodeType() [9/9]

template<>
NODE_TYPE hpp::fcl::BVHModel< KDOP< 24 > >::getNodeType ( ) const
virtual

get the node type

Reimplemented from hpp::fcl::CollisionGeometry.

◆ getNumBVs()

template<typename BV>
int hpp::fcl::BVHModel< BV >::getNumBVs ( ) const
inline

Get the number of bv in the BVH.

◆ makeParentRelative()

template<typename BV>
void hpp::fcl::BVHModel< BV >::makeParentRelative ( )
inlinevirtual

This is a special acceleration: BVH_model default stores the BV's transform in world coordinate. However, we can also store each BV's transform related to its parent BV node. When traversing the BVH, this can save one matrix transformation.

Implements hpp::fcl::BVHModelBase.

◆ memUsage()

template<typename BV>
int hpp::fcl::BVHModel< BV >::memUsage ( int  msg) const
virtual

Check the number of memory used.

Implements hpp::fcl::BVHModelBase.

Member Data Documentation

◆ bv_fitter

template<typename BV>
boost::shared_ptr<BVFitter<BV> > hpp::fcl::BVHModel< BV >::bv_fitter

Fitting rule to fit a BV node to a set of geometry primitives.

◆ bv_splitter

template<typename BV>
boost::shared_ptr<BVSplitter<BV> > hpp::fcl::BVHModel< BV >::bv_splitter

Split rule to split one BV node into two children.


The documentation for this class was generated from the following file: