Package org.locationtech.jtstest.testbuilder.geom

Class FacetLocater

java.lang.Object

org.locationtech.jtstest.testbuilder.geom.FacetLocater

public class FacetLocater
extends java.lang.Object

Locates the paths to facets (vertices and segments) of a Geometry which are within a given tolerance of a query point.

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.List	locations
private Geometry	parentGeom
private Coordinate	queryPt
private double	tolerance

Constructor Summary

Constructors

Constructor	Description
FacetLocater(Geometry parentGeom)

Method Summary

Modifier and Type	Method	Description
static java.util.List	filterVertexLocations(java.util.Collection locations)	Creates a list containing all the vertex GeometryLocations in the input collection.
private void	findLocations(java.util.Stack path, Geometry geom, java.util.List locations)
private void	findLocations(java.util.Stack path, Geometry compGeom, CoordinateSequence seq, java.util.List locations)
private void	findLocations(java.util.Stack path, Polygon poly, java.util.List locations)
private void	findLocations(Geometry geom, java.util.List locations)
private void	findSegmentLocations(java.util.Stack path, Geometry compGeom, CoordinateSequence seq, java.util.List locations)
private void	findVertexLocations(java.util.Stack path, Geometry compGeom, CoordinateSequence seq, java.util.List locations)
java.util.List	getLocations(Coordinate queryPt, double tolerance)
static int[]	toIntArray(java.util.Vector path)

Methods inherited from class java.lang.Object

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

Field Detail

parentGeom

private Geometry parentGeom

locations

private java.util.List locations

queryPt

private Coordinate queryPt

tolerance

private double tolerance

Constructor Detail

FacetLocater

public FacetLocater(Geometry parentGeom)

Method Detail

filterVertexLocations

public static java.util.List filterVertexLocations(java.util.Collection locations)

Creates a list containing all the vertex GeometryLocations in the input collection.

Parameters:

locations - the source collection

Returns:

a list of the vertex locations, if any

getLocations

public java.util.List getLocations(Coordinate queryPt,
                                   double tolerance)

findLocations

private void findLocations(Geometry geom,
                           java.util.List locations)

findLocations

private void findLocations(java.util.Stack path,
                           Geometry geom,
                           java.util.List locations)

findLocations

private void findLocations(java.util.Stack path,
                           Polygon poly,
                           java.util.List locations)

findLocations

private void findLocations(java.util.Stack path,
                           Geometry compGeom,
                           CoordinateSequence seq,
                           java.util.List locations)

findVertexLocations

private void findVertexLocations(java.util.Stack path,
                                 Geometry compGeom,
                                 CoordinateSequence seq,
                                 java.util.List locations)

findSegmentLocations

private void findSegmentLocations(java.util.Stack path,
                                  Geometry compGeom,
                                  CoordinateSequence seq,
                                  java.util.List locations)

toIntArray

public static int[] toIntArray(java.util.Vector path)