mil.nga.geopackage.geom

Class GeoPackageGeometryData

java.lang.Object

mil.nga.geopackage.geom.GeoPackageGeometryData

public class GeoPackageGeometryData
extends Object

GeoPackage Geometry Data

Author:

osbornb

Constructor Summary

Constructors

Constructor and Description
GeoPackageGeometryData(byte[] bytes) Constructor
GeoPackageGeometryData(long srsId) Constructor

Method Summary

Modifier and Type	Method and Description
void	fromBytes(byte[] bytes) Populate the geometry data from the bytes
ByteOrder	getByteOrder() Get the byte order
byte[]	getBytes() Get the bytes of the entire GeoPackage geometry including GeoPackage header and WKB bytes
GeometryEnvelope	getEnvelope() Get the geometry envelope
Geometry	getGeometry() Get the geometry
ByteBuffer	getHeaderByteBuffer() Get the GeoPackage header bytes already ordered in a Byte Buffer
byte[]	getHeaderBytes() Get the GeoPackage header bytes
static int	getIndicator(GeometryEnvelope envelope) Get the envelope flag indicator 1 for xy, 2 for xyz, 3 for xym, 4 for xyzm (null would be 0)
int	getSrsId() Get the srs id
ByteBuffer	getWkbByteBuffer() Get the Well-Known Binary Geometry bytes already ordered in a Byte Buffer
byte[]	getWkbBytes() Get the Well-Known Binary Geometry bytes
int	getWkbGeometryIndex() Return the byte index where the Well-Known Binary bytes start
boolean	isEmpty() Is the geometry empty
boolean	isExtended() Is the geometry extended
void	setByteOrder(ByteOrder byteOrder) Set the byte order
void	setEmpty(boolean empty) Set the empty flag
void	setEnvelope(GeometryEnvelope envelope) Set the geometry envelope
void	setExtended(boolean extended) Set the extended flag
void	setGeometry(Geometry geometry) Set the geometry.
void	setSrsId(int srsId) Set the srs id
byte[]	toBytes() Write the geometry to bytes

Methods inherited from class java.lang.Object

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

Constructor Detail

GeoPackageGeometryData

public GeoPackageGeometryData(long srsId)

Constructor

Parameters:

srsId -

GeoPackageGeometryData

public GeoPackageGeometryData(byte[] bytes)

Constructor

Parameters:

bytes -

Method Detail

fromBytes

public void fromBytes(byte[] bytes)

Populate the geometry data from the bytes

Parameters:

bytes -

toBytes

public byte[] toBytes()
               throws IOException

Write the geometry to bytes

Returns:

bytes

Throws:

IOException

isExtended

public boolean isExtended()

Is the geometry extended

Returns:

true if extended

isEmpty

public boolean isEmpty()

Is the geometry empty

Returns:

true if empty

getByteOrder

public ByteOrder getByteOrder()

Get the byte order

Returns:

byte order

getSrsId

public int getSrsId()

Get the srs id

Returns:

srs id

getEnvelope

public GeometryEnvelope getEnvelope()

Get the geometry envelope

Returns:

geometry envelope

getGeometry

public Geometry getGeometry()

Get the geometry

Returns:

geometry

setExtended

public void setExtended(boolean extended)

Set the extended flag

Parameters:

extended - extended value

setEmpty

public void setEmpty(boolean empty)

Set the empty flag

Parameters:

empty - empty value

setByteOrder

public void setByteOrder(ByteOrder byteOrder)

Set the byte order

Parameters:

byteOrder - byte order

setSrsId

public void setSrsId(int srsId)

Set the srs id

Parameters:

srsId - srs id

setEnvelope

public void setEnvelope(GeometryEnvelope envelope)

Set the geometry envelope

Parameters:

envelope - geometry envelope

setGeometry

public void setGeometry(Geometry geometry)

Set the geometry. Updates the empty flag and if the geometry is not null, the extended flag

Parameters:

geometry -

getBytes

public byte[] getBytes()

Get the bytes of the entire GeoPackage geometry including GeoPackage header and WKB bytes

Returns:

bytes

getHeaderBytes

public byte[] getHeaderBytes()

Get the GeoPackage header bytes

Returns:

header bytes

getHeaderByteBuffer

public ByteBuffer getHeaderByteBuffer()

Get the GeoPackage header bytes already ordered in a Byte Buffer

Returns:

byte buffer

getWkbBytes

public byte[] getWkbBytes()

Get the Well-Known Binary Geometry bytes

Returns:

bytes

getWkbByteBuffer

public ByteBuffer getWkbByteBuffer()

Get the Well-Known Binary Geometry bytes already ordered in a Byte Buffer

Returns:

byte buffer

getWkbGeometryIndex

public int getWkbGeometryIndex()

Return the byte index where the Well-Known Binary bytes start

Returns:

index

getIndicator

public static int getIndicator(GeometryEnvelope envelope)

Get the envelope flag indicator 1 for xy, 2 for xyz, 3 for xym, 4 for xyzm (null would be 0)

Returns:

indicator