I managed to create my Polygon from arrays of x and y coordinates (doubles)
using the following code:
xArray = location.getCoordinateLists().get("X").toArray(xArray);
yArray = location.getCoordinateLists().get("Y").toArray(yArray);
GeometryFactory geometryFactory =
JTSFactoryFinder.getGeometryFactory(null);
Coordinate[] coordinates = new Coordinate[xArray.length + 1];
for (int i=0; i < xArray.length; i++) {
coordinates[i] = new Coordinate(xArray[i], yArray[i]);
}
coordinates[xArray.length - 1] = new Coordinate(xArray[0],
yArray[0]);
LinearRing lr = geometryFactory.createLinearRing(coordinates);
Polygon polygon = geometryFactory.createPolygon(lr, null);
However, I now have a list of Feature objects with a latitude and longitude
that I need to check if is inside the polygon. I had assumed, incorrectly,
that I could do it with the Polygon contains() method.
I don't know anything about filters or expressions, and am asking for any
assistance anyone can give me.
Jason
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