Package gaiasky.data.group

Class SDSSDataProvider

java.lang.Object

gaiasky.data.group.SDSSDataProvider

All Implemented Interfaces:

IParticleGroupDataProvider

public class SDSSDataProvider
extends Object
implements IParticleGroupDataProvider

Loads SDSS data from a text file with a series of [ra, dec, z]

Constructor Summary

Constructors

Constructor	Description
SDSSDataProvider()

Method Summary

Modifier and Type	Method	Description
List<IParticleRecord>	loadData(InputStream is, double factor)	Loads the data applying a factor.
List<IParticleRecord>	loadData(String file)	Loads the data as it is.
List<IParticleRecord>	loadData(String file, double factor)	Loads the data applying a factor.
List<IParticleRecord>	loadDataMapped(String file, double factor)	Loads the data applying a factor using a memory mapped file for improved speed.
void	setFileNumberCap(int cap)	Sets a cap on the number of files to load.
void	setStarNumberCap(int cap)	Sets the maximum number of stars to be processed per file.

Methods inherited from class java.lang.Object

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

Constructor Details

SDSSDataProvider

public SDSSDataProvider()

Method Details

loadData

public List<IParticleRecord> loadData(String file)

Description copied from interface: IParticleGroupDataProvider

Loads the data as it is.

Specified by:

loadData in interface IParticleGroupDataProvider

Parameters:

file - The file to load

Returns:

Array of particle beans

loadData

public List<IParticleRecord> loadData(String file,
 double factor)

Description copied from interface: IParticleGroupDataProvider

Loads the data applying a factor.

Specified by:

loadData in interface IParticleGroupDataProvider

Parameters:

file - The file to load

factor - Factor to apply to the positions

Returns:

Array of particle beans

loadData

public List<IParticleRecord> loadData(InputStream is,
 double factor)

Description copied from interface: IParticleGroupDataProvider

Loads the data applying a factor.

Specified by:

loadData in interface IParticleGroupDataProvider

Parameters:

is - Input stream to load the data from

factor - Factor to apply to the positions

Returns:

Array of particle beans

setFileNumberCap

public void setFileNumberCap(int cap)

Description copied from interface: IParticleGroupDataProvider

Sets a cap on the number of files to load. Set to negative for unlimited

Specified by:

setFileNumberCap in interface IParticleGroupDataProvider

Parameters:

cap - The file cap number

setStarNumberCap

public void setStarNumberCap(int cap)

Description copied from interface: IParticleGroupDataProvider

Sets the maximum number of stars to be processed per file. Set to negative for unlimited

Specified by:

setStarNumberCap in interface IParticleGroupDataProvider

Parameters:

cap - The star cap number

loadDataMapped

public List<IParticleRecord> loadDataMapped(String file,
 double factor)

Description copied from interface: IParticleGroupDataProvider

Loads the data applying a factor using a memory mapped file for improved speed.

Specified by:

loadDataMapped in interface IParticleGroupDataProvider

Parameters:

file - The file to load

factor - Factor to apply to the positions

Returns:

Array of particle beans