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

Introduction

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

Prototype

public int numLoops() 

Source Link

Usage

From source file:com.bc.geometry.s2.S2Util.java

public static double[][] toXYZArray(S2Polygon polygon) {
    final List<S2Point> vertices = new ArrayList<>();
    final int numLoops = polygon.numLoops();
    for (int i = 0; i < numLoops; i++) {
        final S2Loop loop = polygon.loop(i);
        final int numVertices = loop.numVertices();
        for (int k = 0; k < numVertices; k++) {
            vertices.add(loop.vertex(k));
        }//  w w w  .ja va  2  s.co m
    }

    final int numVertices = vertices.size();
    final double[][] xyzArray = new double[numVertices][3];
    for (int i = 0; i < numVertices; i++) {
        final double[] vector = new double[3];
        final S2Point s2Point = vertices.get(i);
        vector[0] = s2Point.getX();
        vector[1] = s2Point.getY();
        vector[2] = s2Point.getZ();

        xyzArray[i] = vector;
    }

    return xyzArray;
}

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From source file:com.bc.geometry.s2.S2WKTWriter.java

private static String writePolygonWkt(S2Polygon polygon) {
    final StringBuilder builder = new StringBuilder();
    builder.append("POLYGON((");
    final int numLoops = polygon.numLoops();
    for (int i = 0; i < numLoops; i++) {
        final S2Loop loop = polygon.loop(i);
        final int numVertices = loop.numVertices();
        for (int k = 0; k < numVertices; k++) {
            appendWktPoint(loop.vertex(k), builder);
            builder.append(",");
        }//from w w  w  . j  a v  a2 s .c  om
        appendWktPoint(loop.vertex(0), builder);
    }

    builder.append("))");
    return builder.toString();
}

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

static ArrayList<Point> extractPoints(S2Polygon googlePolygon) {
    final ArrayList<Point> coordinates = new ArrayList<>();
    final int numLoops = googlePolygon.numLoops();
    for (int i = 0; i < numLoops; i++) {
        final S2Loop loop = googlePolygon.loop(i);
        final int numVertices = loop.numVertices();
        for (int k = 0; k < numVertices; k++) {
            final S2Point googlePoint = loop.vertex(k);
            coordinates.add(BcS2Point.createFrom(googlePoint));
        }//from   w  w w  .  j  ava  2s  .  c o  m

        // close loop - outside world expects this tb 2016-03-03
        final S2Point googlePoint = loop.vertex(0);
        coordinates.add(BcS2Point.createFrom(googlePoint));
    }
    return coordinates;
}

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