Package org.locationtech.jts.geom.util

Class LineStringExtracter

java.lang.Object

org.locationtech.jts.geom.util.LineStringExtracter

All Implemented Interfaces:

GeometryFilter

public class LineStringExtracter
extends java.lang.Object
implements GeometryFilter

Extracts all the LineString elements from a Geometry.

Version:

1.7

See Also:

GeometryExtracter

Constructor Summary

Constructors

Constructor	Description
LineStringExtracter(java.util.List comps)	Constructs a filter with a list in which to store the elements found.

Method Summary

Modifier and Type	Method	Description
void	filter(Geometry geom)	Performs an operation with or on geom.
static Geometry	getGeometry(Geometry geom)	Extracts the LineString elements from a single Geometry and returns them as either a LineString or MultiLineString.
static java.util.List	getLines(Geometry geom)	Extracts the LineString elements from a single Geometry and returns them in a List.
static java.util.List	getLines(Geometry geom, java.util.List lines)	Extracts the LineString elements from a single Geometry and adds them to the provided List.

Methods inherited from class java.lang.Object

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

Constructor Detail

LineStringExtracter

public LineStringExtracter(java.util.List comps)

Constructs a filter with a list in which to store the elements found.

Method Detail

getLines

public static java.util.List getLines(Geometry geom,
                                      java.util.List lines)

Extracts the LineString elements from a single Geometry and adds them to the provided List.

Parameters:

geom - the geometry from which to extract

lines - the list to add the extracted LineStrings to

Returns:

the list argument

getLines

public static java.util.List getLines(Geometry geom)

Extracts the LineString elements from a single Geometry and returns them in a List.

Parameters:

geom - the geometry from which to extract

Returns:

a list containing the linear elements

getGeometry

public static Geometry getGeometry(Geometry geom)

Extracts the LineString elements from a single Geometry and returns them as either a LineString or MultiLineString.

Parameters:

geom - the geometry from which to extract

Returns:

a linear geometry

filter

public void filter(Geometry geom)

Description copied from interface: GeometryFilter

Performs an operation with or on geom.

Specified by:

filter in interface GeometryFilter

Parameters:

geom - a Geometry to which the filter is applied.