Package org.geotools.coverage.grid.io

Class ReadPaddingCalculator

Object

ReadPaddingCalculator

public class ReadPaddingCalculator
extends Object

Helper class to compute read padding to be applied when reading data for rendering, taking into account interpolation and oversampling.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	DEFAULT_PADDING	Default padding to be applied around the requested area to accommodate interpolation needs.

Constructor Summary

Constructors

Constructor	Description
ReadPaddingCalculator(GridCoverage2DReader reader, String coverageName, Interpolation interpolation, int padding)
ReadPaddingCalculator(GridCoverage2DReader reader, Interpolation interpolation)
ReadPaddingCalculator(GridCoverage2DReader reader, Interpolation interpolation, int padding)

Method Summary

Modifier and Type	Method	Description
GridGeometry2D	padGridGeometry(GridGeometry2D requestedGridGeometry)	Computes a new grid geometry padded according to the interpolation needs at the rendering resolution of the requested grid geometry.

Methods inherited from class Object

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

Field Details

DEFAULT_PADDING

public static final int DEFAULT_PADDING

Default padding to be applied around the requested area to accommodate interpolation needs.

See Also:

• Constant Field Values

Constructor Details

ReadPaddingCalculator

public ReadPaddingCalculator(GridCoverage2DReader reader,
 Interpolation interpolation)
                      throws IOException

Throws:

IOException

ReadPaddingCalculator

public ReadPaddingCalculator(GridCoverage2DReader reader,
 Interpolation interpolation,
 int padding)
                      throws IOException

Throws:

IOException

ReadPaddingCalculator

public ReadPaddingCalculator(GridCoverage2DReader reader,
 String coverageName,
 Interpolation interpolation,
 int padding)
                      throws IOException

Throws:

IOException

Method Details

padGridGeometry

public GridGeometry2D padGridGeometry(GridGeometry2D requestedGridGeometry)
                               throws IOException

Computes a new grid geometry padded according to the interpolation needs at the rendering resolution of the requested grid geometry.

Parameters:

requestedGridGeometry - the requested grid geometry

Returns:

the padded grid geometry

Throws:

IOException