Class GeoUtils

java.lang.Object
org.openjump.core.geomutils.GeoUtils
public class GeoUtils extends Object
Author:
Larry

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final int
    emptyBit
     
    static final int
    lineBit
     
    static final int
    pointBit
     
    static final int
    polyBit
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    GeoUtils()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static org.locationtech.jts.geom.Coordinate
    along(double d, org.locationtech.jts.geom.Coordinate q, org.locationtech.jts.geom.Coordinate r)
     
    static boolean
    clockwise(org.locationtech.jts.geom.Geometry geo)
     
    static org.locationtech.jts.geom.CoordinateList
    ConvexHullWrap(org.locationtech.jts.geom.CoordinateList coords)
     
    static org.locationtech.jts.geom.Geometry
    createPlume(org.locationtech.jts.geom.Coordinate[] coords, double radius1, double radius2)
    Generate a plume Polygon using Coordinate[] bounded on each end by circles of radius1 and radius2.
    static double
    distance(org.locationtech.jts.geom.Coordinate p1, org.locationtech.jts.geom.Coordinate p2)
     
    static double
    dot(org.locationtech.jts.geom.Coordinate p, org.locationtech.jts.geom.Coordinate q)
     
    static boolean
    geometriesEqual(org.locationtech.jts.geom.Geometry geo1, org.locationtech.jts.geom.Geometry geo2)
     
    static boolean
    geometryIsSegmentOf(org.locationtech.jts.geom.Geometry geo1, org.locationtech.jts.geom.Geometry geo2)
     
    static double
    getBearing180(org.locationtech.jts.geom.Coordinate startPt, org.locationtech.jts.geom.Coordinate endPt)
     
    static double
    getBearing360(org.locationtech.jts.geom.Coordinate startPt, org.locationtech.jts.geom.Coordinate endPt)
     
    static double
    getBearingRadians(org.locationtech.jts.geom.Coordinate startPt, org.locationtech.jts.geom.Coordinate endPt)
     
    static org.locationtech.jts.geom.Coordinate
    getCenter(org.locationtech.jts.geom.Coordinate p1, org.locationtech.jts.geom.Coordinate p2, org.locationtech.jts.geom.Coordinate p3)
     
    static org.locationtech.jts.geom.Coordinate
    getClosestPointOnLine(org.locationtech.jts.geom.Coordinate pt, org.locationtech.jts.geom.Coordinate p0, org.locationtech.jts.geom.Coordinate p1)
     
    static org.locationtech.jts.geom.Coordinate
    getClosestPointOnSegment(org.locationtech.jts.geom.Coordinate pt, org.locationtech.jts.geom.Coordinate p0, org.locationtech.jts.geom.Coordinate p1)
     
    static double
    getDistance(org.locationtech.jts.geom.Coordinate pt, org.locationtech.jts.geom.Coordinate p0, org.locationtech.jts.geom.Coordinate p1)
     
    static org.locationtech.jts.geom.Coordinate[]
    getDistanceAngleArray(org.locationtech.jts.geom.LineString ring)
     
    static org.locationtech.jts.geom.Coordinate[]
    getDistanceBearingArray(org.locationtech.jts.geom.LineString ring)
     
    static double
    getDistanceFromPointToGeometry(org.locationtech.jts.geom.Coordinate coord, org.locationtech.jts.geom.Geometry geo)
     
    static org.locationtech.jts.geom.Coordinate
    getIntersection(org.locationtech.jts.geom.Coordinate p1, org.locationtech.jts.geom.Coordinate p2, org.locationtech.jts.geom.Coordinate p3, org.locationtech.jts.geom.Coordinate p4)
     
    static double
    interiorAngle(org.locationtech.jts.geom.Coordinate p1, org.locationtech.jts.geom.Coordinate p2, org.locationtech.jts.geom.Coordinate p3)
     
    static org.locationtech.jts.geom.Coordinate
    intersect(org.locationtech.jts.geom.Coordinate P1, org.locationtech.jts.geom.Coordinate P2, org.locationtech.jts.geom.Coordinate P3, org.locationtech.jts.geom.Coordinate P4)
     
    static org.locationtech.jts.geom.Coordinate
    intersectSegments(org.locationtech.jts.geom.Coordinate P1, org.locationtech.jts.geom.Coordinate P2, org.locationtech.jts.geom.Coordinate P3, org.locationtech.jts.geom.Coordinate P4)
     
    static double
    mag(org.locationtech.jts.geom.Coordinate q)
     
    static org.locationtech.jts.geom.LineString
    MakeRoundCorner(org.locationtech.jts.geom.Coordinate A, org.locationtech.jts.geom.Coordinate B, org.locationtech.jts.geom.Coordinate C, org.locationtech.jts.geom.Coordinate D, double r, boolean arcOnly)
     
    static org.locationtech.jts.geom.Coordinate
    perpendicularVector(org.locationtech.jts.geom.Coordinate v1, org.locationtech.jts.geom.Coordinate v2, double dist, boolean toLeft)
     
    static boolean
    pointToRight(org.locationtech.jts.geom.Coordinate pt, org.locationtech.jts.geom.Coordinate p1, org.locationtech.jts.geom.Coordinate p2)
     
    static org.locationtech.jts.geom.Geometry
    reducePoints(org.locationtech.jts.geom.Geometry geo, double tolerance)
     
    static org.locationtech.jts.geom.LinearRing
    removeRedundantPoints(org.locationtech.jts.geom.LineString ring)
     
    static org.locationtech.jts.geom.Coordinate
    rotPt(org.locationtech.jts.geom.Coordinate inpt, org.locationtech.jts.geom.Coordinate rpt, double theta)
     
    static BitSet
    setBit(BitSet bitSet, org.locationtech.jts.geom.Geometry geometry)
     
    static org.locationtech.jts.geom.Polygon
    taperedBufferSegment(org.locationtech.jts.geom.Coordinate p0, org.locationtech.jts.geom.Coordinate p1, double d1, double d2)
     
    static double
    theta(org.locationtech.jts.geom.Coordinate p1, org.locationtech.jts.geom.Coordinate p2)
     
    static org.locationtech.jts.geom.Coordinate
    unitVec(org.locationtech.jts.geom.Coordinate q)
     
    static org.locationtech.jts.geom.Coordinate
    vectorAdd(org.locationtech.jts.geom.Coordinate q, org.locationtech.jts.geom.Coordinate r)
     
    static org.locationtech.jts.geom.Coordinate
    vectorBetween(org.locationtech.jts.geom.Coordinate q, org.locationtech.jts.geom.Coordinate r)
     
    static org.locationtech.jts.geom.Coordinate
    vectorTimesScalar(org.locationtech.jts.geom.Coordinate q, double m)
     

    Methods inherited from class Object

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

  • Field Details

  • Constructor Details

    • GeoUtils

      public GeoUtils()

  • Method Details

    • mag

      public static double mag(org.locationtech.jts.geom.Coordinate q)

    • distance

      public static double distance(org.locationtech.jts.geom.Coordinate p1, org.locationtech.jts.geom.Coordinate p2)

    • unitVec

      public static org.locationtech.jts.geom.Coordinate unitVec(org.locationtech.jts.geom.Coordinate q)

    • vectorAdd

      public static org.locationtech.jts.geom.Coordinate vectorAdd(org.locationtech.jts.geom.Coordinate q, org.locationtech.jts.geom.Coordinate r)

    • vectorBetween

      public static org.locationtech.jts.geom.Coordinate vectorBetween(org.locationtech.jts.geom.Coordinate q, org.locationtech.jts.geom.Coordinate r)

    • vectorTimesScalar

      public static org.locationtech.jts.geom.Coordinate vectorTimesScalar(org.locationtech.jts.geom.Coordinate q, double m)

    • dot

      public static double dot(org.locationtech.jts.geom.Coordinate p, org.locationtech.jts.geom.Coordinate q)

    • rotPt

      public static org.locationtech.jts.geom.Coordinate rotPt(org.locationtech.jts.geom.Coordinate inpt, org.locationtech.jts.geom.Coordinate rpt, double theta)

    • pointToRight

      public static boolean pointToRight(org.locationtech.jts.geom.Coordinate pt, org.locationtech.jts.geom.Coordinate p1, org.locationtech.jts.geom.Coordinate p2)

    • perpendicularVector

      public static org.locationtech.jts.geom.Coordinate perpendicularVector(org.locationtech.jts.geom.Coordinate v1, org.locationtech.jts.geom.Coordinate v2, double dist, boolean toLeft)

    • getBearing180

      public static double getBearing180(org.locationtech.jts.geom.Coordinate startPt, org.locationtech.jts.geom.Coordinate endPt)

    • getBearingRadians

      public static double getBearingRadians(org.locationtech.jts.geom.Coordinate startPt, org.locationtech.jts.geom.Coordinate endPt)

    • getBearing360

      public static double getBearing360(org.locationtech.jts.geom.Coordinate startPt, org.locationtech.jts.geom.Coordinate endPt)

    • theta

      public static double theta(org.locationtech.jts.geom.Coordinate p1, org.locationtech.jts.geom.Coordinate p2)

    • ConvexHullWrap

      public static org.locationtech.jts.geom.CoordinateList ConvexHullWrap(org.locationtech.jts.geom.CoordinateList coords)

    • getDistance

      public static double getDistance(org.locationtech.jts.geom.Coordinate pt, org.locationtech.jts.geom.Coordinate p0, org.locationtech.jts.geom.Coordinate p1)

    • getClosestPointOnSegment

      public static org.locationtech.jts.geom.Coordinate getClosestPointOnSegment(org.locationtech.jts.geom.Coordinate pt, org.locationtech.jts.geom.Coordinate p0, org.locationtech.jts.geom.Coordinate p1)

    • getClosestPointOnLine

      public static org.locationtech.jts.geom.Coordinate getClosestPointOnLine(org.locationtech.jts.geom.Coordinate pt, org.locationtech.jts.geom.Coordinate p0, org.locationtech.jts.geom.Coordinate p1)

    • along

      public static org.locationtech.jts.geom.Coordinate along(double d, org.locationtech.jts.geom.Coordinate q, org.locationtech.jts.geom.Coordinate r)

    • interiorAngle

      public static double interiorAngle(org.locationtech.jts.geom.Coordinate p1, org.locationtech.jts.geom.Coordinate p2, org.locationtech.jts.geom.Coordinate p3)

    • getDistanceBearingArray

      public static org.locationtech.jts.geom.Coordinate[] getDistanceBearingArray(org.locationtech.jts.geom.LineString ring)
      Parameters:
      ring - - LinearRing represented as LineString to analyze
      Returns:
      - Coordinate[] with first point of passed LineString in [0] followed by [1-length] with x as distance and y as angle. The angle will be the will be the absolute bearing in the range 0-360. The original LineString and Coordinate points are unmodified.

    • getDistanceAngleArray

      public static org.locationtech.jts.geom.Coordinate[] getDistanceAngleArray(org.locationtech.jts.geom.LineString ring)
      Parameters:
      ring - - LinearRing represented as LineString to analyze
      Returns:
      - Coordinate[] array of with x as distance and y as interior angles in degrees 0 to +180. The angles at each index in the array are the interior angles at the vertex position in the (closed polygon) ring. Every array position if filled. The distances are the distance at a vertex to the following point. For [n-2] the distance is computed to the [n-1] position assuming the ring is closed.

    • removeRedundantPoints

      public static org.locationtech.jts.geom.LinearRing removeRedundantPoints(org.locationtech.jts.geom.LineString ring)
      Parameters:
      ring - - a LineString representing a linear ring
      Returns:
      - an array of Coordinate points with colinear points removed. The original LineString and Coordinate points are unmodified.

    • reducePoints

      public static org.locationtech.jts.geom.Geometry reducePoints(org.locationtech.jts.geom.Geometry geo, double tolerance)

    • clockwise

      public static boolean clockwise(org.locationtech.jts.geom.Geometry geo)

    • intersect

      public static org.locationtech.jts.geom.Coordinate intersect(org.locationtech.jts.geom.Coordinate P1, org.locationtech.jts.geom.Coordinate P2, org.locationtech.jts.geom.Coordinate P3, org.locationtech.jts.geom.Coordinate P4)

    • getIntersection

      public static org.locationtech.jts.geom.Coordinate getIntersection(org.locationtech.jts.geom.Coordinate p1, org.locationtech.jts.geom.Coordinate p2, org.locationtech.jts.geom.Coordinate p3, org.locationtech.jts.geom.Coordinate p4)

    • intersectSegments

      public static org.locationtech.jts.geom.Coordinate intersectSegments(org.locationtech.jts.geom.Coordinate P1, org.locationtech.jts.geom.Coordinate P2, org.locationtech.jts.geom.Coordinate P3, org.locationtech.jts.geom.Coordinate P4)

    • getCenter

      public static org.locationtech.jts.geom.Coordinate getCenter(org.locationtech.jts.geom.Coordinate p1, org.locationtech.jts.geom.Coordinate p2, org.locationtech.jts.geom.Coordinate p3)

    • setBit

      public static BitSet setBit(BitSet bitSet, org.locationtech.jts.geom.Geometry geometry)

    • MakeRoundCorner

      public static org.locationtech.jts.geom.LineString MakeRoundCorner(org.locationtech.jts.geom.Coordinate A, org.locationtech.jts.geom.Coordinate B, org.locationtech.jts.geom.Coordinate C, org.locationtech.jts.geom.Coordinate D, double r, boolean arcOnly)

    • geometriesEqual

      public static boolean geometriesEqual(org.locationtech.jts.geom.Geometry geo1, org.locationtech.jts.geom.Geometry geo2)

    • getDistanceFromPointToGeometry

      public static double getDistanceFromPointToGeometry(org.locationtech.jts.geom.Coordinate coord, org.locationtech.jts.geom.Geometry geo)

    • geometryIsSegmentOf

      public static boolean geometryIsSegmentOf(org.locationtech.jts.geom.Geometry geo1, org.locationtech.jts.geom.Geometry geo2)

    • createPlume

      public static org.locationtech.jts.geom.Geometry createPlume(org.locationtech.jts.geom.Coordinate[] coords, double radius1, double radius2)
      Generate a plume Polygon using Coordinate[] bounded on each end by circles of radius1 and radius2.
      Parameters:
      coords - - Coordinate[] sequence of points derived from a LineString.
      radius1 - - the radius around the first point in coords.
      radius2 - - the radius around the last point in coords.
      Returns:
      Geometry containing Polygon of plume.

    • taperedBufferSegment

      public static org.locationtech.jts.geom.Polygon taperedBufferSegment(org.locationtech.jts.geom.Coordinate p0, org.locationtech.jts.geom.Coordinate p1, double d1, double d2)