org.geotools.graph.build.line
Class LineStringGraphGenerator
Object
BasicLineGraphGenerator
LineStringGraphGenerator
- All Implemented Interfaces:
- GraphGenerator, LineGraphGenerator
- Direct Known Subclasses:
- DirectedLineStringGraphGenerator
public class LineStringGraphGenerator
- extends BasicLineGraphGenerator
Builds a graph representing a line network in which edges in the network are
represented by LineString geometries. This implementation is a wrapper around
a LineGraphGenerator which sets underlying edge objects to be LineString
objects, and underlying Node objects to be Point objects. While generating
the graph, the generator uses the visited flag of created components to
determine when to create underlying objects. For this reason it is not recommended
to modify the visited flag of any graph components.
- Author:
- Justin Deoliveira, Refractions Research Inc, jdeolive@refractions.net, Anders Bakkevold, Bouvet AS, bakkedev@gmail.com
- See Also:
LineString
,
Point
Methods inherited from class Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
LineStringGraphGenerator
public LineStringGraphGenerator(double tolerance)
LineStringGraphGenerator
public LineStringGraphGenerator()
add
public Graphable add(Object obj)
- Description copied from class:
BasicLineGraphGenerator
- Adds a line to the graph.
- Specified by:
add
in interface GraphGenerator
- Overrides:
add
in class BasicLineGraphGenerator
- Parameters:
obj
- An instance of LineSegment.
- Returns:
- A BasicEdge.
- See Also:
LineSegment
,
GraphGenerator.add(Object)
alterLine
protected LineSegment alterLine(LineSegment line,
Node n1,
Node n2)
- Overrides:
alterLine
in class BasicLineGraphGenerator
remove
public Graphable remove(Object obj)
- Description copied from class:
BasicLineGraphGenerator
- Removes the edge from the graph that represents a line.
- Specified by:
remove
in interface GraphGenerator
- Overrides:
remove
in class BasicLineGraphGenerator
- Parameters:
obj
- The object modelled by the component.
- Returns:
- Edge that represents the line.
- See Also:
GraphGenerator.remove(Object)
get
public Graphable get(Object obj)
- Description copied from class:
BasicLineGraphGenerator
- Returns the edge which represents a line. Note that if the exact same line
has been added to the graph multiple times, then only one of the edges that
represents it will be returned. It is undefined which edge will be returned.
- Specified by:
get
in interface GraphGenerator
- Overrides:
get
in class BasicLineGraphGenerator
- Parameters:
obj
- An instance of LineSegment.
- Returns:
- Edge that represents the line.
- See Also:
GraphGenerator.get(Object)
setObject
protected void setObject(Node n,
Object obj)
- Overrides:
setObject
in class BasicLineGraphGenerator
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