org.openjump.core.rasterimage.sextante.rasterWrappers
Class GridWrapperNotInterpolated

java.lang.Object
  org.openjump.core.rasterimage.sextante.rasterWrappers.GridWrapper
      org.openjump.core.rasterimage.sextante.rasterWrappers.GridWrapperNotInterpolated

public class GridWrapperNotInterpolated
extends GridWrapper

A grid wrapper that does not perform interpolation to calculate cell values. This should be used when the window extent 'fits' into the structure (coordinates and cellsize) of the grid, so it is faster than using a grid wrapper with interpolation Upon construction, cellsizes are not checked, so they are assumed to be equal. Use a QueryableGridWindow to safely create a GridWrapper better than instantiating this class directly.

Author:

Victor Olaya

Field Summary

Fields inherited from class org.openjump.core.rasterimage.sextante.rasterWrappers.GridWrapper

INTERPOLATION_BicubicSpline, INTERPOLATION_Bilinear, INTERPOLATION_BSpline, INTERPOLATION_InverseDistance, INTERPOLATION_NearestNeighbour, m_iOffsetX, m_iOffsetY, m_Layer, m_WindowExtent

Constructor Summary

GridWrapperNotInterpolated(ISextanteRasterLayer layer, GridExtent windowExtent)

Method Summary

protected void	calculateOffsets()
byte	getCellValueAsByte(int x, int y)
byte	getCellValueAsByte(int x, int y, int band)
double	getCellValueAsDouble(int x, int y)
double	getCellValueAsDouble(int x, int y, int band)
float	getCellValueAsFloat(int x, int y)
float	getCellValueAsFloat(int x, int y, int band)
int	getCellValueAsInt(int x, int y)
int	getCellValueAsInt(int x, int y, int band)
short	getCellValueAsShort(int x, int y)
short	getCellValueAsShort(int x, int y, int band)

Methods inherited from class org.openjump.core.rasterimage.sextante.rasterWrappers.GridWrapper

getCellSize, getCellValueInLayerCoords, getGridExtent, getNoDataValue, getNX, getNY, getValueAt, isInLayer, isNoDataValue, setInterpolationMethod

Methods inherited from class java.lang.Object

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

Constructor Detail

GridWrapperNotInterpolated

public GridWrapperNotInterpolated(ISextanteRasterLayer layer,
                                  GridExtent windowExtent)

Method Detail

calculateOffsets

protected void calculateOffsets()

getCellValueAsByte

public byte getCellValueAsByte(int x,
                               int y)

Specified by:

getCellValueAsByte in class GridWrapper

getCellValueAsByte

public byte getCellValueAsByte(int x,
                               int y,
                               int band)

Specified by:

getCellValueAsByte in class GridWrapper

getCellValueAsShort

public short getCellValueAsShort(int x,
                                 int y)

Specified by:

getCellValueAsShort in class GridWrapper

getCellValueAsShort

public short getCellValueAsShort(int x,
                                 int y,
                                 int band)

Specified by:

getCellValueAsShort in class GridWrapper

getCellValueAsInt

public int getCellValueAsInt(int x,
                             int y)

Specified by:

getCellValueAsInt in class GridWrapper

getCellValueAsInt

public int getCellValueAsInt(int x,
                             int y,
                             int band)

Specified by:

getCellValueAsInt in class GridWrapper

getCellValueAsFloat

public float getCellValueAsFloat(int x,
                                 int y)

Specified by:

getCellValueAsFloat in class GridWrapper

getCellValueAsFloat

public float getCellValueAsFloat(int x,
                                 int y,
                                 int band)

Specified by:

getCellValueAsFloat in class GridWrapper

getCellValueAsDouble

public double getCellValueAsDouble(int x,
                                   int y)

Specified by:

getCellValueAsDouble in class GridWrapper

getCellValueAsDouble

public double getCellValueAsDouble(int x,
                                   int y,
                                   int band)

Specified by:

getCellValueAsDouble in class GridWrapper