Package com.graphhopper.reader.dem

Class AbstractTiffElevationProvider

java.lang.Object

com.graphhopper.reader.dem.TileBasedElevationProvider

com.graphhopper.reader.dem.AbstractTiffElevationProvider

All Implemented Interfaces:

ElevationProvider

Direct Known Subclasses:

CGIARProvider, GMTEDProvider

public abstract class AbstractTiffElevationProvider
extends TileBasedElevationProvider

Provides basic methods that are usually used in an ElevationProvider that reads tiff files.

Author:

Robin Boldt

Field Summary

Fields inherited from interface com.graphhopper.reader.dem.ElevationProvider

NOOP

Constructor Summary

Constructors

Constructor	Description
AbstractTiffElevationProvider(String baseUrl, String cacheDir, String downloaderName, int width, int height, int latDegree, int lonDegree)

Method Summary

Modifier and Type	Method	Description
double	getEle(double lat, double lon)
void	release()	Release resources.

Methods inherited from class com.graphhopper.reader.dem.TileBasedElevationProvider

canInterpolate, getCacheDir, getDirectory, setAutoRemoveTemporaryFiles, setBaseURL, setDAType, setDownloader, setInterpolate

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.graphhopper.reader.dem.ElevationProvider

getEle

Constructor Details

AbstractTiffElevationProvider

public AbstractTiffElevationProvider(String baseUrl,
 String cacheDir,
 String downloaderName,
 int width,
 int height,
 int latDegree,
 int lonDegree)

Method Details

release

public void release()

Description copied from interface: ElevationProvider

Release resources.

getEle

public double getEle(double lat,
 double lon)

Returns:

returns the height in meters or Double.NaN if invalid