smoab::ExtractShell Class Reference

#include <ExtractShell.h>

Collaboration diagram for smoab::ExtractShell:

Public Member Functions
	ExtractShell (const smoab::CellSets volCells, const smoab::Interface &interface)
bool	findSkins (smoab::CellSets &surfaceCellSets)
Private Attributes
const smoab::Interface &	Interface
smoab::CellSets	VCells

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Detailed Description

Definition at line 11 of file ExtractShell.h.

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Constructor & Destructor Documentation

smoab::ExtractShell::ExtractShell	(	const smoab::CellSets	volCells,
		const smoab::Interface &	interface
	)		[inline]

Definition at line 17 of file ExtractShell.h.

                                               :
    Interface(interface),
    VCells(volCells)
    {
    }

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Member Function Documentation

bool smoab::ExtractShell::findSkins

(

smoab::CellSets &

surfaceCellSets

)

Definition at line 29 of file ExtractShell.h.

References moab::Range::begin(), smoab::Interface::createAdjacencies(), moab::Range::end(), smoab::detail::UsageTable::incrementUsage(), moab::Range::insert(), smoab::detail::UsageTable::multipleUsage(), smoab::Interface::remove(), smoab::Interface::sideElements(), smoab::detail::UsageTable::singleUsage(), and VCells.

{
  typedef smoab::Range::const_iterator Iterator;

  typedef smoab::CellSets::const_iterator SetIterator;


  smoab::Range cellsToRemove;
  for(SetIterator set = this->VCells.begin();
      set != this->VCells.end();
      ++set)
    {
    const smoab::Range &cells = set->cells();
    this->Interface.createAdjacencies(set->cells(),2);


    //we create the usage table for each iteration so that we only
    //get the shell of each cell set. If we used the table between
    //sets we would get the shell of the combined sets
    smoab::detail::UsageTable table;
    for(Iterator i = cells.begin(); i != cells.end(); ++i)
      {
      std::vector<smoab::EntityHandle> faceCells =
                        this->Interface.sideElements(*i,2);

      //the usage id allows you to label cells when going into the table
      //so that you can extract multiple shells where each is based on
      //a single region id.
      std::vector<int> regionId(1,faceCells.size());
      table.incrementUsage(faceCells,regionId);
      }
    smoab::Range surfaceCells = table.singleUsage();

    //create a new cell set that
    smoab::CellSet surfaceSet(set->entity(),surfaceCells);
    surfaceCellSets.push_back(surfaceSet);

    smoab::Range subsetToRemove = table.multipleUsage();
    cellsToRemove.insert(subsetToRemove.begin(),subsetToRemove.end());
    }

  //we will remove all cells that have multiple usages from the moab database
  //I really don't care if they already existed or not.
  this->Interface.remove(cellsToRemove);
  return true;
}

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Member Data Documentation

const smoab::Interface& smoab::ExtractShell::Interface [private]

Definition at line 13 of file ExtractShell.h.

smoab::CellSets smoab::ExtractShell::VCells [private]

Definition at line 14 of file ExtractShell.h.

Referenced by findSkins().

List of all members.

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

• ExtractShell.h