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

Introduction

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

Prototype

public boolean intersects(S2Polygon b) 

Source Link

Document

Return true if this polygon intersects the given other polygon, i.e.

Usage

From source file:org.esa.beam.occci.S2EoProduct.java

@Override
public boolean overlaps() {
    S2Polygon poly = getPolygon();
    if (poly != null) {
        return poly.intersects(THE_PRODUCT);
    }//from  ww w  .  ja v  a  2 s . c om
    return false;
}

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From source file:org.esa.beam.occci.ReverseMatcher.java

public Set<Integer> matchProduct(String testWKT, long windowStartTime, long windowEndTime) {
    S2Region testRegion = new S2WKTReader().read(testWKT);
    S2Polygon testPoly = (S2Polygon) testRegion;
    S2RegionCoverer coverer = new S2RegionCoverer();
    coverer.setMinLevel(3);//from  w w  w .j a v  a  2 s.  c  o  m
    coverer.setMaxLevel(3);
    coverer.setMaxCells(500);
    S2CellUnion covering = coverer.getCovering(testRegion);
    S2ReverseIndexCreatorMain.S2IntCoverage s2IntCoverage = new S2ReverseIndexCreatorMain.S2IntCoverage(
            covering);

    Set<Integer> candidatesSet = new HashSet<>();
    for (int cellId : s2IntCoverage.intIds) {
        candidatesSet.addAll(reverseProductDB.findInsitu(cellId, windowStartTime, windowEndTime));
    }

    System.out.println("candidatesSet = " + candidatesSet.size());
    List<Integer> uniqueProductList = new ArrayList<>(candidatesSet);

    Set<Integer> matches = new HashSet<>();
    try (StopWatch sw = new StopWatch("  >>load and test polygons")) {
        Collections.sort(uniqueProductList);
        try (DataInputStream dis = new DataInputStream(
                new BufferedInputStream(new FileInputStream(polygonFile)))) {
            int streamPID = 0;
            for (Integer productID : uniqueProductList) {
                while (streamPID < productID) {
                    int numLoopPoints = dis.readInt();
                    dis.skipBytes(numLoopPoints * 3 * 8);
                    streamPID++;
                }
                final int numLoopPoints = dis.readInt();
                final double[] pointData = new double[numLoopPoints * 3];
                for (int i = 0; i < pointData.length; i++) {
                    pointData[i] = dis.readDouble();
                }
                streamPID++;

                S2Polygon s2Polygon = S2IEoProduct.createS2Polygon(pointData);
                if (testPoly.intersects(s2Polygon)) {
                    matches.add(productID);
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }
    return matches;
}

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