Example usage for com.google.common.geometry S2Polygon S2Polygon

Introduction

In this page you can find the example usage for com.google.common.geometry S2Polygon S2Polygon.

Prototype

public S2Polygon() 

Source Link

Document

Creates an empty polygon that should be initialized by calling Init().

Usage

From source file:com.bc.fiduceo.geometry.s2.BcS2Polygon.java

@SuppressWarnings("unchecked")
@Override/*from  w  ww  .j  av  a2 s . c  o m*/
public Geometry getIntersection(Geometry other) {
    if (other instanceof BcS2Polygon) {
        final S2Polygon intersection = new S2Polygon();
        intersection.initToIntersection(googlePolygon, (S2Polygon) other.getInner());
        return new BcS2Polygon(intersection);
    } else if (other instanceof BcS2MultiLineString) {
        List<S2Polyline> s2PolylineList = (List<S2Polyline>) other.getInner();
        List<S2Polyline> intersectionResult = new ArrayList<>();
        for (final S2Polyline s2Polyline : s2PolylineList) {
            intersectionResult.addAll(googlePolygon.intersectWithPolyLine(s2Polyline));
        }
        return new BcS2MultiLineString(intersectionResult);
    } else if (other instanceof BcS2Point) {
        final S2LatLng inner = (S2LatLng) other.getInner();
        if (googlePolygon.contains(inner.toPoint())) {
            return other;
        } else {
            return new BcS2Point(null); // "empty point" tb 2016-11-07
        }
    }

    throw new RuntimeException("intersection type not implemented");
}

---

From source file:com.bc.fiduceo.geometry.s2.BcS2Polygon.java

@Override
public Polygon getDifference(Polygon polygon) {
    final S2Polygon difference = new S2Polygon();
    difference.initToDifference(googlePolygon, (S2Polygon) polygon.getInner());
    return new BcS2Polygon(difference);
}

---

From source file:com.bc.fiduceo.geometry.s2.BcS2Polygon.java

@Override
public Polygon getUnion(Polygon polygon) {
    final S2Polygon union = new S2Polygon();
    union.initToUnion(googlePolygon, (S2Polygon) polygon.getInner());
    return new BcS2Polygon(union);
}

---

From source file:com.bc.geometry.s2.S2WKTReader.java

/**
 * Creates a <code>Polygon</code> using the next token in the stream.
 *
 * @return a <code>Polygon</code> specified by the next token
 * in the stream// w  ww.  ja va  2s.c om
 * @throws IOException if an I/O error occurs
 */
private S2Polygon readPolygonText() throws IOException {
    String nextToken = getNextEmptyOrOpener();
    if (EMPTY.equals(nextToken)) {
        return new S2Polygon();
    }
    ArrayList<S2Loop> loops = new ArrayList<>();
    S2Loop shell = readLinearRingText();
    shell.normalize();
    loops.add(shell);
    nextToken = getNextCloserOrComma();
    while (COMMA.equals(nextToken)) {
        S2Loop e = readLinearRingText();
        loops.add(e);
        //            if (!loops.contains(e)) {
        //                loops.add(e);
        //            }
        nextToken = getNextCloserOrComma();
    }
    return new S2Polygon(loops);
}

---