MOAB: Mesh Oriented datABase
(version 5.4.1)
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Public Member Functions | |
Bucket () | |
Bucket (const Bucket &f) | |
Bucket (const unsigned int sz) | |
Bucket & | operator= (const Bucket &f) |
Static Public Member Functions | |
static unsigned int | bucket_index (int num_splits, const BoundBox &box, const BoundBox &interval, const unsigned int dim) |
Public Attributes | |
unsigned int | mySize |
BoundBox | boundingBox |
Definition at line 205 of file BVHTree.hpp.
moab::BVHTree::Bucket::Bucket | ( | ) | [inline] |
Definition at line 208 of file BVHTree.hpp.
: mySize( 0 ) {}
moab::BVHTree::Bucket::Bucket | ( | const Bucket & | f | ) | [inline] |
Definition at line 209 of file BVHTree.hpp.
: mySize( f.mySize ), boundingBox( f.boundingBox ) {}
moab::BVHTree::Bucket::Bucket | ( | const unsigned int | sz | ) | [inline] |
Definition at line 210 of file BVHTree.hpp.
: mySize( sz ) {}
unsigned int moab::BVHTree::Bucket::bucket_index | ( | int | num_splits, |
const BoundBox & | box, | ||
const BoundBox & | interval, | ||
const unsigned int | dim | ||
) | [inline, static] |
Definition at line 330 of file BVHTree.hpp.
References moab::BoundBox::bMax, moab::BoundBox::bMin, center(), dim, and length().
Referenced by moab::BVHTree::establish_buckets(), and moab::BVHTree::order_elements().
{ // see FastMemoryEfficientCellLocationinUnstructuredGridsForVisualization.pdf // around page 9 // Paper arithmetic is over-optimized.. this is safer. const double min = interval.bMin[dim]; const double length = ( interval.bMax[dim] - min ) / ( num_splits + 1 ); const double center = ( ( box.bMax[dim] + box.bMin[dim] ) / 2.0 ) - min; #ifndef NDEBUG #ifdef BVH_SHOW_INDEX std::cout << "[" << min << " , " << interval.max[dim] << " ]" << std::endl; std::cout << "[" << box.bMin[dim] << " , " << box.bMax[dim] << " ]" << std::endl; std::cout << "Length of bucket" << length << std::endl; std::cout << "Center: " << ( box.bMax[dim] + box.bMin[dim] ) / 2.0 << std::endl; std::cout << "Distance of center from min: " << center << std::endl; std::cout << "ratio: " << center / length << std::endl; std::cout << "index: " << std::ceil( center / length ) - 1 << std::endl; #endif #endif unsigned int cl = std::ceil( center / length ); return ( cl > 0 ? cl - 1 : 0 ); }
Definition at line 217 of file BVHTree.hpp.
References boundingBox, and mySize.
{ boundingBox = f.boundingBox; mySize = f.mySize; return *this; }
Definition at line 216 of file BVHTree.hpp.
Referenced by moab::BVHTree::establish_buckets(), and operator=().
unsigned int moab::BVHTree::Bucket::mySize |
Definition at line 215 of file BVHTree.hpp.
Referenced by moab::BVHTree::establish_buckets(), and operator=().