Package ucar.nc2.ft2.simpgeometry

Class CFPoint

java.lang.Object

ucar.nc2.ft2.simpgeometry.CFPoint

All Implemented Interfaces:

Point, SimpleGeometry

public class CFPoint
extends Object
implements Point

A CF 1.8 compliant Point for use with Simple Geometries. Can also represent multipoints.

Constructor Summary

Constructors

Constructor	Description
CFPoint()	Constructs a new empty point at (0,0) with no connections.
CFPoint(double x, double y, Point prev, Point next, Array data)	Construct a new point from specified parameters The construction will automatically connect in related parts of a Multipoint - just specify any constituents of a multipoint as next or prev.

Method Summary

Modifier and Type	Method	Description
double[]	getBBLower()	Gets the lower bounding box coordinate on the polygon.
double[]	getBBUpper()	Gets the upper bounding box coordinate on the point.
Array	getData()	Get the data associated with this point
GeometryType	getGeometryType()	Get the geometry the data is associated with.
Point	getNext()	Retrieves the next point within a multipoint if any
Point	getPrev()	Retrieves the previous point within a multipoint if any
double	getX()	Return the x coordinate for the point.
double	getY()	Return the y coordinate for the point
void	setData(Array arr)	Sets the data array of the point.
void	setNext(Point next)	Sets the next point in a multipoint
void	setPrev(Point prev)	Set the previous point in a multipoint
Point	setupPoint(NetcdfDataset dataset, Variable vari, int index)	Given a dataset, variable, and index, automatically populates this Point and returns it.
void	setX(double x)	Sets the x coordinate of the point.
void	setY(double y)	Set the y coordinate of the point.

Methods inherited from class java.lang.Object

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

Constructor Detail

CFPoint

public CFPoint(double x,
               double y,
               Point prev,
               Point next,
               Array data)

Construct a new point from specified parameters The construction will automatically connect in related parts of a Multipoint - just specify any constituents of a multipoint as next or prev.

Parameters:

x - - the x coordinate of the point

y - - the y coordinate of the point

prev - - previous point if part of a multipoint

next - - next point if part of a multipoint

data - - data associated with the point

CFPoint

public CFPoint()

Constructs a new empty point at (0,0) with no connections.

Method Detail

getGeometryType

public GeometryType getGeometryType()

Get the geometry the data is associated with.

getData

public Array getData()

Get the data associated with this point

Specified by:

getData in interface Point

Specified by:

getData in interface SimpleGeometry

Returns:

data

getX

public double getX()

Return the x coordinate for the point.

Specified by:

getX in interface Point

Returns:

x of the point

getY

public double getY()

Return the y coordinate for the point

Specified by:

getY in interface Point

Returns:

y of the point

getNext

public Point getNext()

Retrieves the next point within a multipoint if any

Specified by:

getNext in interface Point

Returns:

next point if it exists, null if not

getPrev

public Point getPrev()

Retrieves the previous point within a multipoint if any

Specified by:

getPrev in interface Point

Returns:

previous point if it exists null if not

setData

public void setData(Array arr)

Sets the data array of the point.

Specified by:

setData in interface Point

Specified by:

setData in interface SimpleGeometry

Parameters:

arr - the array which will be the points new data array

setX

public void setX(double x)

Sets the x coordinate of the point.

Specified by:

setX in interface Point

Parameters:

x - coordinate of the point

setY

public void setY(double y)

Set the y coordinate of the point.

Specified by:

setY in interface Point

Parameters:

y - coordinate of the point

setNext

public void setNext(Point next)

Sets the next point in a multipoint

Specified by:

setNext in interface Point

setPrev

public void setPrev(Point prev)

Set the previous point in a multipoint

Specified by:

setPrev in interface Point

setupPoint

public Point setupPoint(NetcdfDataset dataset,
                        Variable vari,
                        int index)

Given a dataset, variable, and index, automatically populates this Point and returns it. If not found, returns null.

Specified by:

setupPoint in interface Point

Parameters:

dataset - which the variable is a part of

vari - the variable which has a geometry attribute

index - of the point within the variable

Returns:

return a point

getBBUpper

public double[] getBBUpper()

Gets the upper bounding box coordinate on the point.

Specified by:

getBBUpper in interface SimpleGeometry

Returns:

double array = (x, y)

getBBLower

public double[] getBBLower()

Gets the lower bounding box coordinate on the polygon.

Specified by:

getBBLower in interface SimpleGeometry

Returns:

double array = (x, y)