com.atakmap.android.elev.graphics

Class GLHeatMap.Dted

java.lang.Object

com.atakmap.android.elev.graphics.GLHeatMap.Dted

Enclosing class:

GLHeatMap

public static class GLHeatMap.Dted
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
Dted(int chunkSize)

Method Summary

Modifier and Type	Method and Description
double	chunkLatitudeToPixelY(int chunkY, double lat)
double	chunkLongitudeToPixelX(int chunkX, double lng)
double	chunkPixelXToLongitude(int chunkX, double px)
double	chunkPixelYToLatitude(int chunkY, double py)
java.nio.ByteBuffer	getChunk()
int	getChunkColumns()
int	getChunkRows()
int	getChunkX(double leftLng, double longitude)
int	getChunkY(double upperLat, double latitude)
float	getHeight(java.nio.channels.FileChannel channel, double latitude, double longitude)
int	getNumChunksX()
int	getNumChunksY()
void	loadChunk(java.nio.channels.FileChannel channel, int chunkX, int chunkY)
void	readHeader(java.nio.channels.FileChannel channel, double cellLat, double cellLng)

Methods inherited from class java.lang.Object

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

Constructor Detail

Dted

public Dted(int chunkSize)

Method Detail

getChunkX

public int getChunkX(double leftLng,
                     double longitude)

getChunkY

public int getChunkY(double upperLat,
                     double latitude)

chunkPixelXToLongitude

public double chunkPixelXToLongitude(int chunkX,
                                     double px)

chunkPixelYToLatitude

public double chunkPixelYToLatitude(int chunkY,
                                    double py)

chunkLongitudeToPixelX

public double chunkLongitudeToPixelX(int chunkX,
                                     double lng)

chunkLatitudeToPixelY

public double chunkLatitudeToPixelY(int chunkY,
                                    double lat)

readHeader

public void readHeader(java.nio.channels.FileChannel channel,
                       double cellLat,
                       double cellLng)
                throws java.io.IOException

Throws:

java.io.IOException

getHeight

public float getHeight(java.nio.channels.FileChannel channel,
                       double latitude,
                       double longitude)
                throws java.io.IOException

Throws:

java.io.IOException

loadChunk

public void loadChunk(java.nio.channels.FileChannel channel,
                      int chunkX,
                      int chunkY)
               throws java.io.IOException

Throws:

java.io.IOException

getChunkColumns

public int getChunkColumns()

getChunkRows

public int getChunkRows()

getNumChunksX

public int getNumChunksX()

getNumChunksY

public int getNumChunksY()

getChunk

public java.nio.ByteBuffer getChunk()