Package gaiasky.data.util

Class PointCloudData

java.lang.Object

gaiasky.data.util.PointCloudData

All Implemented Interfaces:

Cloneable

public class PointCloudData
extends Object
implements Cloneable

Holds data for point clouds.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final record	PointCloudData.PointSample	A sample in the point cloud.

Field Summary

Fields

Modifier and Type	Field	Description
double	period	Period, in days.
ArrayList<PointCloudData.PointSample>	samples	The samples of this point cloud.

Constructor Summary

Constructors

Constructor	Description
PointCloudData()
PointCloudData(int capacity)

Method Summary

Modifier and Type	Method	Description
void	addPoint(double x, double y, double z)
void	addPoint(double x, double y, double z, long seconds, int nano)
void	addPoint(double x, double y, double z, Instant t)
void	addPoint(Vector3D point)
void	addPoint(Vector3D point, Instant t)
void	addPoints(double[] points)	Adds the given vector to the current points.
void	clear()	Clears all data
PointCloudData	clone()
Instant	getDate(int index)
Instant	getEnd()
long	getEndMs()
int	getIndex(long wrappedTimeMs)
int	getIndex(Instant instant)	Gets the bounding indices for the given date.
int	getNumPoints()
Instant	getStart()
long	getStartMs()
Instant	getWrapTime(Instant instant)
long	getWrapTimeMs(Instant instant)
double	getX(int index)
double	getY(int index)
double	getZ(int index)
boolean	hasTime()
boolean	isEmpty()
void	loadPoint(Vector3D v, int index)	Loads the data point at the index in the vector in the Orbit reference system.
boolean	loadPoint(Vector3D v, long timeMs)	Returns a vector with the data point at the given time.
boolean	loadPoint(Vector3D v, Instant instant)	Returns a vector with the data point at the given time.
void	loadPoint(Vector3Q v, int index)
boolean	loadPoint(Vector3Q v, long timeMs)
boolean	loadPoint(Vector3Q v, Instant instant)
void	loadPointF(com.badlogic.gdx.math.Vector3 v, int index)	Loads the data point at the index in the vector in the world reference system.
void	set(int index, double x, double y, double z)	Sets the given index with the given coordinates.
void	setPoint(Vector3D v, int index)
void	setX(int index, double x)	Sets the x component of the point at the given index.
void	setY(int index, double y)	Sets the y component of the point at the given index.
void	setZ(int index, double z)	Sets the z component of the point at the given index.

Methods inherited from class java.lang.Object

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

Field Details

samples

public ArrayList<PointCloudData.PointSample> samples

The samples of this point cloud.

period

public double period

Period, in days. Negative for no period.

Constructor Details

PointCloudData

public PointCloudData()

PointCloudData

public PointCloudData(int capacity)

Method Details

set

public void set(int index,
 double x,
 double y,
 double z)

Sets the given index with the given coordinates.

Parameters:

index - The index.

x - The x coordinate.

y - The y coordinate.

z - The z coordinate.

setX

public void setX(int index,
 double x)

Sets the x component of the point at the given index.

This method is given for backwards compatibility with old scripts.

Parameters:

index - The index.

x - The x component.

setY

public void setY(int index,
 double y)

Sets the y component of the point at the given index.

This method is given for backwards compatibility with old scripts.

Parameters:

index - The index.

y - The y component.

setZ

public void setZ(int index,
 double z)

Sets the z component of the point at the given index.

This method is given for backwards compatibility with old scripts.

Parameters:

index - The index.

z - The z component.

clear

public void clear()

Clears all data

isEmpty

public boolean isEmpty()

hasTime

public boolean hasTime()

addPoints

public void addPoints(double[] points)

Adds the given vector to the current points. The vector is of the form [x0, y0, z0, x1, y1, z1, ..., xn, yn, zn]. If the size of the vector is not a multiple of 3, no points are added

Parameters:

points - The points to add to this point cloud

addPoint

public void addPoint(Vector3D point,
 Instant t)

addPoint

public void addPoint(Vector3D point)

addPoint

public void addPoint(double x,
 double y,
 double z,
 long seconds,
 int nano)

addPoint

public void addPoint(double x,
 double y,
 double z,
 Instant t)

addPoint

public void addPoint(double x,
 double y,
 double z)

loadPoint

public void loadPoint(Vector3D v,
 int index)

Loads the data point at the index in the vector in the Orbit reference system.

Parameters:

v - The vector to load the data into.

index - The data index.

loadPoint

public void loadPoint(Vector3Q v,
 int index)

getNumPoints

public int getNumPoints()

getX

public double getX(int index)

getY

public double getY(int index)

getZ

public double getZ(int index)

setPoint

public void setPoint(Vector3D v,
 int index)

getDate

public Instant getDate(int index)

getStart

public Instant getStart()

getStartMs

public long getStartMs()

getEnd

public Instant getEnd()

getEndMs

public long getEndMs()

loadPointF

public void loadPointF(com.badlogic.gdx.math.Vector3 v,
 int index)

Loads the data point at the index in the vector in the world reference system.

Parameters:

v - The vector to store the result.

index - The index of the point to load.

loadPoint

public boolean loadPoint(Vector3D v,
 Instant instant)

Returns a vector with the data point at the given time. It uses linear interpolation. The time instant must be within the bounds of this point cloud's times

Parameters:

v - The vector to store the result.

instant - The time as an instant.

Returns:

Whether the operation completes successfully

loadPoint

public boolean loadPoint(Vector3Q v,
 Instant instant)

loadPoint

public boolean loadPoint(Vector3D v,
 long timeMs)

Returns a vector with the data point at the given time. It uses linear interpolation. The time instant must be within the bounds of this point cloud's times

Parameters:

v - The vector

timeMs - The time in milliseconds

Returns:

Whether the operation completes successfully

loadPoint

public boolean loadPoint(Vector3Q v,
 long timeMs)

getWrapTime

public Instant getWrapTime(Instant instant)

getWrapTimeMs

public long getWrapTimeMs(Instant instant)

getIndex

public int getIndex(Instant instant)

Gets the bounding indices for the given date. If the date is out of range, it wraps.

Parameters:

instant - The date

Returns:

The two indices

getIndex

public int getIndex(long wrappedTimeMs)

clone

public PointCloudData clone()

Overrides:

clone in class Object