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//------------------------------------------------------------------------------
//
// Project: AMR Visualization
// Module: $RCSfile$
// Language: C++
// Date: $Date$
// Author: $Author$
// Version: $Revision$
//
//------------------------------------------------------------------------------
/*
* Copyright (C) 2001, The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the Visualization
* Group at Lawrence Berkeley National Laboratory.
* 4. Neither the name of the University of California, Berkeley nor of the
* Lawrence Berkeley National Laboratory may be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*
* This work is supported by the U. S. Department of Energy under contract
* number DE-AC03-76SF00098 between the U. S. Department of Energy and the
* University of California.
*
* Author: Gunther H Weber
* Lawrence Berkeley National Laboratory
* Berkeley, California
*
* "this software is 100% hand-crafted by a human being in the USA and Germany"
*
*/
#ifndef _GHW_GRIDCELL_
#define _GHW_GRIDCELL_
// Own Misc. Helper Includes
#include <AxisType.hh>
#include <Vertex.hh>
// AMR Related Includes
#include <AMRGrid.hh>
/**
* Describe a grid cell
* Describe a grid cell via pointer to grid containing it and its
* index within that grid.
*/
class AMRGridCell {
public:
/**
* Construct a GridCell
* Consturct a new GridCell
* \param g pointer to grid containing the cell
* \param i index of cell along x-Axis
* \param j index of cell along y-Axis
* \param k index of cell along z-Axis
* \param id ID of grid refining this cell, if known
*/
AMRGridCell(AMRGrid *g, int i, int j, int k, AMRHierarchy::GridId id=AMRGrid::Unknown);
/**
* Construct a GridCell
* Consturct a new GridCell
* \param g pointer to grid containing the cell
* \param i index of cell
* \param id ID of grid refining this cell, if known
*/
AMRGridCell(AMRGrid *g, int i[3], AMRHierarchy::GridId id=AMRGrid::Unknown);
/**
* Get absolute position of center of the grid cell
* Calaculate the absoulte position of the center of the grid cell, i.e. the
* location associated with the grid cell sample value.
*/
Vertex pos() const;
/**
* Get value associated with grid point
* Get the scalar value that is stored in the grid for the given grid point.
*/
double val() const;
/**
* Get index of grid containing the grid-cell
* Get the index/ID of the grid that contains this grid cell
*/
int containingId() const;
/**
* Get index of grid refining the grid-cell
* Get the index/ID of the grid that refines this grid cell
*/
int refiningId() const;
/**
* Get a pointer to the AMRGrid containing the cell
*/
AMRGrid *grid() const;
/**
* Get index in 'grid coordinates'
*/
int idx(AxisType axis) const;
private:
AMRGrid *mGrid; // Pointer to the grid containing the cell
int mIdx[3]; // Index of the cell
mutable int mRefiningGridId; // Index of the grid that refines this grid cell
};
#include <AMRGridCell.icc>
#endif
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