@Test
public void testMultiPolygon() throws SQLException {
logger.trace("void testMultiPolygon()");
logger.info(mplg_str);
MultiPolygon mplg = new MultiPolygon(mplg_str);
logger.info(mplg.toString());
}
public void testMultiPolygon() throws Exception {
MultiPolygon multiPolygon = new MultiPolygon();
{
Polygon polygon = new Polygon();
LineString linearRing = new LineString();
linearRing.addPoint(new Point(0, 0));
linearRing.addPoint(new Point(0, 10));
linearRing.addPoint(new Point(10, 10));
linearRing.addPoint(new Point(0, 0));
polygon.addLinearRing(linearRing);
multiPolygon.addPolygon(polygon);
}
{
Polygon polygon = new Polygon();
LineString linearRing = new LineString();
linearRing.addPoint(new Point(100, 0));
linearRing.addPoint(new Point(100, 10));
linearRing.addPoint(new Point(110, 10));
linearRing.addPoint(new Point(100, 0));
polygon.addLinearRing(linearRing);
multiPolygon.addPolygon(polygon);
}
StringWriter sw = new StringWriter();
JSONWriter jsonWriter = new JSONWriter(sw);
GeoJsonGeometryWriter geoWriter = new GeoJsonGeometryWriter();
geoWriter.writeGeometry(jsonWriter, multiPolygon);
if (false
== "{\"type\":\"MultiPolygon\",\"coordinates\":[[[[0,0],[0,10],[10,10],[0,0]]],[[[100,0],[100,10],[110,10],[100,0]]]]}"
.equals(sw.toString())) {
fail("Unexpected output");
}
}
private static void generateNFPsForList(File[] listOfFiles, int rotations)
throws FileNotFoundException {
int n = 0;
List<MultiPolygon> polygonsList = new ArrayList<>();
int numberOfPolys = 100;
MultiPolygon original;
MultiPolygon inverse;
MultiPolygon ninety;
MultiPolygon twoseventy;
for (File polygon : listOfFiles) {
if (n == numberOfPolys) break;
switch (rotations) {
case 1:
polygonsList.add(new MultiPolygon(polygon));
break;
case 2:
original = new MultiPolygon(polygon);
inverse = new MultiPolygon(polygon);
inverse.replaceByNegative();
polygonsList.add(original);
polygonsList.add(inverse);
break;
case 4:
original = new MultiPolygon(polygon);
inverse = new MultiPolygon(polygon);
inverse.replaceByNegative();
ninety = new MultiPolygon(polygon);
ninety.shiftNinety();
twoseventy = new MultiPolygon(polygon);
twoseventy.shiftNinety();
polygonsList.add(original);
polygonsList.add(inverse);
polygonsList.add(ninety);
polygonsList.add(twoseventy);
break;
default:
polygonsList.add(new MultiPolygon(polygon));
break;
}
n++;
}
System.out.println(n);
long startTime;
long endTime;
long duration;
int totalIts = 0;
startTime = System.currentTimeMillis();
long startMemory = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory();
for (MultiPolygon stat : polygonsList) {
for (MultiPolygon orb : polygonsList) {
Minkowski.generateMinkowskiNFP(new MultiPolygon(stat), new MultiPolygon(orb));
totalIts++;
}
}
long endMemory = Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory();
long diffMemory = endMemory - startMemory;
endTime = System.currentTimeMillis();
duration = (endTime - startTime);
System.out.println("current total: " + totalIts);
System.out.println("fails: " + Minkowski.numberOfFails);
System.out.println("infinite stuck: " + Minkowski.numberStuckInfinite);
System.out.println("duration: " + duration + " ms");
System.out.println("total itterations: " + totalIts);
System.out.println("Memory used: " + diffMemory);
Minkowski.numberOfFails = 0;
Minkowski.numberStuckInfinite = 0;
System.out.println();
}
