edu.jhu.cs.cisst.algorithms.optimize.fmg.grid
Class RepeatBoundaryGrid

java.lang.Object
  edu.jhu.cs.cisst.algorithms.optimize.fmg.grid.Grid
      edu.jhu.cs.cisst.algorithms.optimize.fmg.grid.BoundaryGrid
          edu.jhu.cs.cisst.algorithms.optimize.fmg.grid.RepeatBoundaryGrid

All Implemented Interfaces:

ConstBoundaryGrid, ConstGrid, java.lang.Cloneable

public class RepeatBoundaryGrid
extends BoundaryGrid

Uses a repeating value boundary condition, which is equivalent to having Neumann boundary conditions with the derivative at the boundary being zero.

Author:

Blake

Field Summary

Fields inherited from class edu.jhu.cs.cisst.algorithms.optimize.fmg.grid.Grid

g, level, sx, sy, sz

Constructor Summary

RepeatBoundaryGrid(int sx, int sy, int sz, int level, double interiorValue, double boundaryValue)
construct from size, initial value for all elements in the interior and initial value for all elements at the boundary.

Method Summary

protected double	getBoundary(int x, int y, int z) implements method from Grid.
Grid	newInstance(int sx, int sy, int sz, int level, double value) implements method from ConstGrid.

Methods inherited from class edu.jhu.cs.cisst.algorithms.optimize.fmg.grid.Grid

add, add, clone, get, getCols, getLevel, getRows, getSlices, isBoundary, isInterior, set, setLevel

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface edu.jhu.cs.cisst.algorithms.optimize.fmg.grid.ConstGrid

add, clone, get, getCols, getLevel, getRows, getSlices, isBoundary, isInterior, set, setLevel

Constructor Detail

RepeatBoundaryGrid

public RepeatBoundaryGrid(int sx,
                          int sy,
                          int sz,
                          int level,
                          double interiorValue,
                          double boundaryValue)

construct from size, initial value for all elements in the interior and initial value for all elements at the boundary.

Parameters:

sx - the dimension in X

sy - the dimension in Y

sz - the dimension in Z

level - the resolution level

interiorValue - the value to which all interior grid elements will be set

boundaryValue - the value to which all boundary grid elements will be set

Method Detail

newInstance

public Grid newInstance(int sx,
                        int sy,
                        int sz,
                        int level,
                        double value)

implements method from ConstGrid.

Parameters:

sx - the dimension in X

sy - the dimension in Y

sz - the dimension in Z

level - the resolution level

value - the value

Returns:

the grid

See Also:

ConstGrid.newInstance(int, int, int, int, double)

getBoundary

protected double getBoundary(int x,
                             int y,
                             int z)

implements method from Grid. the given grid element must lie at the boundary of the grid

Specified by:

getBoundary in class Grid

Parameters:

x - the x

y - the y

z - the z

Returns:

the boundary

See Also:

Grid.getBoundary(int, int, int)