#include <GeomQueryTool.hpp>

Collaboration diagram for moab::GeomQueryTool::RayHistory:

Public Member Functions
void	reset ()

void	reset_to_last_intersection ()

void	rollback_last_intersection ()

ErrorCode	get_last_intersection (EntityHandle &last_facet_hit) const

int	size () const

bool	in_history (EntityHandle ent) const

void	add_entity (EntityHandle ent)

Private Attributes
std::vector< EntityHandle >	prev_facets

Friends
class	GeomQueryTool

Detailed Description

Definition at line 61 of file GeomQueryTool.hpp.

Member Function Documentation

◆ add_entity()

void moab::GeomQueryTool::RayHistory::add_entity ( EntityHandle ent )

Add entity to the RayHistory

Definition at line 723 of file GeomQueryTool.cpp.

 {
     prev_facets.push_back( ent );
 }

◆ get_last_intersection()

ErrorCode moab::GeomQueryTool::RayHistory::get_last_intersection ( EntityHandle & last_facet_hit ) const

Get the last intersection in the RayHistory. This will return a null EntityHandle (0) if the history is empty.

Definition at line 705 of file GeomQueryTool.cpp.

 {
     if( prev_facets.size() > 0 )
     {
         last_facet_hit = prev_facets.back();
         return MB_SUCCESS;
     }
     else
     {
         return MB_ENTITY_NOT_FOUND;
     }
 }

References MB_ENTITY_NOT_FOUND, and MB_SUCCESS.

◆ in_history()

bool moab::GeomQueryTool::RayHistory::in_history ( EntityHandle ent ) const

Returns: Boolean indicating if this entity is in the RayHistory

Definition at line 718 of file GeomQueryTool.cpp.

 {
     return std::find( prev_facets.begin(), prev_facets.end(), ent ) != prev_facets.end();
 }

◆ reset()

void moab::GeomQueryTool::RayHistory::reset ( )

Clear this entire history– logically equivalent to creating a new history, but probably more efficient.

Definition at line 685 of file GeomQueryTool.cpp.

 {
     prev_facets.clear();
 }

References prev_facets.

◆ reset_to_last_intersection()

void moab::GeomQueryTool::RayHistory::reset_to_last_intersection ( )

Clear the history up to the most recent intersection. This should be called when a ray changes direction at the site of a surface crossing, a situation that most commonly occurs at a reflecting boundary.

Definition at line 690 of file GeomQueryTool.cpp.

 {
  
     if( prev_facets.size() > 1 )
     {
         prev_facets[0] = prev_facets.back();
         prev_facets.resize( 1 );
     }
 }

◆ rollback_last_intersection()

void moab::GeomQueryTool::RayHistory::rollback_last_intersection ( )

Remove the most recent intersection. This allows a subsequent call along the same ray to return the same intersection.

Definition at line 700 of file GeomQueryTool.cpp.

 {
     if( prev_facets.size() ) prev_facets.pop_back();
 }

◆ size()

int moab::GeomQueryTool::RayHistory::size ( ) const

inline

Returns: the number of surface crossings currently represented by this ray history

Definition at line 93 of file GeomQueryTool.hpp.

         {
             return prev_facets.size();
         }

References prev_facets.

Friends And Related Function Documentation

◆ GeomQueryTool

friend class GeomQueryTool

friend

Definition at line 111 of file GeomQueryTool.hpp.

Member Data Documentation

◆ prev_facets

std::vector< EntityHandle > moab::GeomQueryTool::RayHistory::prev_facets

private

Definition at line 109 of file GeomQueryTool.hpp.

Referenced by moab::GeomQueryTool::get_normal(), moab::GeomQueryTool::point_in_volume(), moab::GeomQueryTool::ray_fire(), reset(), size(), and moab::GeomQueryTool::test_volume_boundary().

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

Public Member Functions

Private Attributes

Friends