Class BasicSegmentString

Hierarchy: Object , BasicSegmentString

All Implemented Interfaces: SegmentString

public class BasicSegmentString
implements SegmentString

Represents a list of contiguous line segments, and supports noding the segments. The line segments are represented by an array of Coordinates. Intended to optimize the noding of contiguous segments by reducing the number of allocated objects. SegmentStrings can carry a context object, which is useful for preserving topological or parentage information. All noded substrings are initialized with the same context object.

Other

version: 1.7

public BasicSegmentString(Coordinate[] pts, Object data)

Creates a new segment string from a list of vertices.

Parameters:: pts - pts the vertices of the segment string; data - data the user-defined data of this segment string (may be null)

public Object getData()

Gets the user-defined data for this segment string.

Returns:: the user-defined data

public void setData(Object data)

Sets the user-defined data for this segment string.

Parameters:: data - data an Object containing user-defined data

public int size()

public Coordinate getCoordinate(int i)

public Coordinate[] getCoordinates()

public boolean isClosed()

public int getSegmentOctant(int index)

Gets the octant of the segment starting at vertex index.

Parameters:: index - index the index of the vertex starting the segment. Must not be the last index in the vertex list

Returns:: the octant of the segment at the vertex

public String toString()