/*
* Copyright (c) 2016 Vivid Solutions.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v. 1.0 which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
*
* http://www.eclipse.org/org/documents/edl-v10.php.
*/
package test.jts.geom;
import java.io.IOException;
import org.locationtech.jts.geom.GeometryFactory;
import org.locationtech.jts.geom.Polygon;
import org.locationtech.jts.geom.PrecisionModel;
/**
* @version 1.7
*/
public class CoordinateSequenceExperiment2 {
GeometryFactory fact = new GeometryFactory(new PrecisionModel(), 0);
public static void main(String[] args) throws Exception {
CoordinateSequenceExperiment2 test = new CoordinateSequenceExperiment2();
// System.out.println("Press Enter to begin");
// System.in.read();
test.run();
System.exit(0);
}
public void run() throws IOException {
int factor = 1;
for (int i = 1; i < 15; i++) {
int n = factor * 1000;
if (n > 64000) { break; }
factor *= 2;
run2(n);
}
}
public void run(int nPts) {
double size = 100.0;
double armLen = 50.0;
int nArms = 10;
long startTime = System.currentTimeMillis();
Polygon poly = GeometryTestFactory.createSineStar(fact, 0.0, 0.0, size,
armLen, nArms, nPts);
long endTime = System.currentTimeMillis();
long totalTime = endTime - startTime;
String totalTimeStr = totalTime < 10000 ? totalTime + " ms"
: totalTime / 1000.0 + " s";
System.out.println("Sine Star Creation Executed in " + totalTimeStr);
Polygon box = GeometryTestFactory.createBox(fact, 0, 0, 1, 100.0);
startTime = System.currentTimeMillis();
poly.intersects(box);
endTime = System.currentTimeMillis();
totalTime = endTime - startTime;
totalTimeStr = totalTime < 10000 ? totalTime + " ms"
: totalTime / 1000.0 + " s";
System.out.println("n Pts: " + nPts + " Executed in " + totalTimeStr);
}
public void run2(int nPts) throws IOException {
double size = 100.0;
double armLen = 50.0;
int nArms = 10;
long startTime = System.currentTimeMillis();
Polygon poly = GeometryTestFactory.createSineStar(fact, 0.0, 0.0, size,
armLen, nArms, nPts);
Polygon box = GeometryTestFactory.createSineStar(fact, 0.0, size / 2,
size, armLen, nArms, nPts);
long endTime = System.currentTimeMillis();
long totalTime = endTime - startTime;
String totalTimeStr = totalTime < 10000 ? totalTime + " ms"
: totalTime / 1000.0 + " s";
System.out.println("Sine Star Creation Executed in " + totalTimeStr);
//RobustDeterminant.callCount = 0;
System.out.println("n Pts: " + nPts);
startTime = System.currentTimeMillis();
poly.intersects(box);
//poly.intersection(box);
endTime = System.currentTimeMillis();
totalTime = endTime - startTime;
totalTimeStr = totalTime < 10000 ? totalTime + " ms"
: (double) totalTime / 1000.0 +
" s";
//System.out.println(" signOfDet2x2 calls: " + RobustDeterminant.callCount);
System.out.println(" Executed in " + totalTimeStr);
}
}