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 12 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 18 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 27 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 14 of file ExtractShell.h.

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

Definition at line 15 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