Package com.metsci.glimpse.topo

Class ShadedReliefTileCache

java.lang.Object

com.metsci.glimpse.topo.ShadedReliefTileCache

public class ShadedReliefTileCache
extends Object

Provides tiled topography along with the relief (hillshaded) data for each tile.

Author:

borkholder

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ShadedReliefTileCache.CachedTileData
static class	ShadedReliefTileCache.ReliefTileKey

Field Summary

Fields

Modifier and Type	Field	Description
static int	CACHE_VERSION_ID
static double	COS_LIGHT_ZENITH
static double	LIGHT_AZIMUTH
static double	SIN_LIGHT_ZENITH

Constructor Summary

Constructors

Constructor	Description
ShadedReliefTileCache(TopoDataset topoDataset)

Method Summary

Modifier and Type	Method	Description
Collection<TileKey>	getAllTileKeys()
void	hillshade(ShadedReliefTileCache.CachedTileData tile)
ShadedReliefTileCache.CachedTileData	readCachedTile(File cacheFile)
ShadedReliefTileCache.CachedTileData	readOrBuildTile(ShadedReliefTileCache.ReliefTileKey key)
TopoHostTile	readTopoData(ShadedReliefTileCache.ReliefTileKey key)
void	writeCachedTile(File cacheFile, ShadedReliefTileCache.CachedTileData tile)

Methods inherited from class java.lang.Object

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

Field Detail

CACHE_VERSION_ID

public static final int CACHE_VERSION_ID

See Also:

Constant Field Values

COS_LIGHT_ZENITH

public static final double COS_LIGHT_ZENITH

SIN_LIGHT_ZENITH

public static final double SIN_LIGHT_ZENITH

LIGHT_AZIMUTH

public static final double LIGHT_AZIMUTH

Constructor Detail

ShadedReliefTileCache

public ShadedReliefTileCache(TopoDataset topoDataset)

Method Detail

getAllTileKeys

public Collection<TileKey> getAllTileKeys()

readOrBuildTile

public ShadedReliefTileCache.CachedTileData readOrBuildTile(ShadedReliefTileCache.ReliefTileKey key)

readTopoData

public TopoHostTile readTopoData(ShadedReliefTileCache.ReliefTileKey key)

hillshade

public void hillshade(ShadedReliefTileCache.CachedTileData tile)

readCachedTile

public ShadedReliefTileCache.CachedTileData readCachedTile(File cacheFile)
                                                    throws IOException

Throws:

IOException

writeCachedTile

public void writeCachedTile(File cacheFile,
                            ShadedReliefTileCache.CachedTileData tile)
                     throws IOException

Throws:

IOException