org.deegree.feature.persistence.shape
Class SHPReader

java.lang.Object
  org.deegree.feature.persistence.shape.SHPReader

public class SHPReader
extends Object

SHPReader

Version:

$Revision: 32014 $, $Date: 2011-09-26 16:47:34 +0200 (Mon, 26 Sep 2011) $

Author:

Andreas Schmitz, last edited by: $Author: mschneider $

Field Summary

static int	FILETYPE The file type number.
static int	FIRST_RING First ring of a polygon part type.
static int	INNER_RING Inner polygon ring part type.
static int	MULTIPATCH The multipatch shape.
static int	MULTIPOINT The normal multipoint.
static int	MULTIPOINTM The multipoint with measures.
static int	MULTIPOINTZ The multipoint with z coordinates.
static int	NULL The NULL shape.
static int	OUTER_RING Outer polygon ring part type.
static int	POINT The normal point.
static int	POINTM The point with measure.
static int	POINTZ The point with z coordinates.
static int	POLYGON The normal polygon.
static int	POLYGONM The polygon with measures.
static int	POLYGONZ The polygon with z coordinates.
static int	POLYLINE The normal polyline.
static int	POLYLINEM The polyline with measures.
static int	POLYLINEZ The polyline with z coordinates.
static int	RING Polygon ring part type.
static int	TRIANGLE_FAN Triangle fan part type.
static int	TRIANGLE_STRIP Triangle strip part type.
static int	VERSION The shape file version.

Constructor Summary

SHPReader(RandomAccessFile inFile, ICRS crs, SpatialIndex<Long> rtree, boolean startsWithZero)

Method Summary

void	close() Closes the underlying file channel and random access file.
Envelope	getEnvelope()
GeometryPropertyType.GeometryType	getGeometryType()
LinkedList<Pair<Integer,Geometry>>	query(Envelope bbox, boolean withGeometry, boolean exact)
List<Pair<Integer,Long>>	query(Envelope bbox, HashSet<Integer> ids)
Pair<ArrayList<Pair<float[],Long>>,Boolean>	readEnvelopes() He Who Needs It As Double, is welcome to implement/copy it.
Geometry	readGeometry(long ptr) Returns the geometry entry stored at the given position.

Methods inherited from class java.lang.Object

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

Field Detail

FILETYPE

public static final int FILETYPE

The file type number.

See Also:

Constant Field Values

VERSION

public static final int VERSION

The shape file version.

See Also:

Constant Field Values

NULL

public static final int NULL

The NULL shape.

See Also:

Constant Field Values

POINT

public static final int POINT

The normal point.

See Also:

Constant Field Values

POLYLINE

public static final int POLYLINE

The normal polyline.

See Also:

Constant Field Values

POLYGON

public static final int POLYGON

The normal polygon.

See Also:

Constant Field Values

MULTIPOINT

public static final int MULTIPOINT

The normal multipoint.

See Also:

Constant Field Values

POINTZ

public static final int POINTZ

The point with z coordinates.

See Also:

Constant Field Values

POLYLINEZ

public static final int POLYLINEZ

The polyline with z coordinates.

See Also:

Constant Field Values

POLYGONZ

public static final int POLYGONZ

The polygon with z coordinates.

See Also:

Constant Field Values

MULTIPOINTZ

public static final int MULTIPOINTZ

The multipoint with z coordinates.

See Also:

Constant Field Values

POINTM

public static final int POINTM

The point with measure.

See Also:

Constant Field Values

POLYLINEM

public static final int POLYLINEM

The polyline with measures.

See Also:

Constant Field Values

POLYGONM

public static final int POLYGONM

The polygon with measures.

See Also:

Constant Field Values

MULTIPOINTM

public static final int MULTIPOINTM

The multipoint with measures.

See Also:

Constant Field Values

MULTIPATCH

public static final int MULTIPATCH

The multipatch shape.

See Also:

Constant Field Values

TRIANGLE_STRIP

public static final int TRIANGLE_STRIP

Triangle strip part type.

See Also:

Constant Field Values

TRIANGLE_FAN

public static final int TRIANGLE_FAN

Triangle fan part type.

See Also:

Constant Field Values

OUTER_RING

public static final int OUTER_RING

Outer polygon ring part type.

See Also:

Constant Field Values

INNER_RING

public static final int INNER_RING

Inner polygon ring part type.

See Also:

Constant Field Values

FIRST_RING

public static final int FIRST_RING

First ring of a polygon part type.

See Also:

Constant Field Values

RING

public static final int RING

Polygon ring part type.

See Also:

Constant Field Values

Constructor Detail

SHPReader

public SHPReader(RandomAccessFile inFile,
                 ICRS crs,
                 SpatialIndex<Long> rtree,
                 boolean startsWithZero)
          throws IOException

Parameters:

inFile -

crs -

rtree -

startsWithZero -

Throws:

IOException

Method Detail

getGeometryType

public GeometryPropertyType.GeometryType getGeometryType()

query

public List<Pair<Integer,Long>> query(Envelope bbox,
                                      HashSet<Integer> ids)
                               throws IOException

Parameters:

bbox -

ids - if not null, the resulting list will only contain record numbers which are also contained in this set. If null, all matching records are returned.

Returns:

the list of matching record ids

Throws:

IOException

query

public LinkedList<Pair<Integer,Geometry>> query(Envelope bbox,
                                                boolean withGeometry,
                                                boolean exact)
                                         throws IOException

Parameters:

bbox -

withGeometry -

exact -

Returns:

the list of contained geometries

Throws:

IOException

getEnvelope

public Envelope getEnvelope()

Returns:

the overall bbox of the shape file

readEnvelopes

public Pair<ArrayList<Pair<float[],Long>>,Boolean> readEnvelopes()

He Who Needs It As Double, is welcome to implement/copy it.

Returns:

a list of all envelopes (minx, miny, maxx, maxy)

readGeometry

public Geometry readGeometry(long ptr)

Returns the geometry entry stored at the given position.

Parameters:

ptr - position of the entry

Returns:

geometry object, may be null

close

public void close()
           throws IOException

Closes the underlying file channel and random access file.

Throws:

IOException