void testIndex() {
// query outside
double qLat = 49.4000;
double qLon = 9.9690;
int id = idx.findID(qLat, qLon);
double foundLat = unterfrankenGraph.getLatitude(id);
double foundLon = unterfrankenGraph.getLongitude(id);
double dist = new DistanceCalc().calcDistKm(qLat, qLon, foundLat, foundLon);
double expectedDist = 5.5892;
if (Math.abs(dist - expectedDist) > 1e-4)
System.out.println(
"ERROR in test index. queried lat,lon="
+ (float) qLat
+ ","
+ (float) qLon
+ ", but was "
+ (float) foundLat
+ ","
+ (float) foundLon
+ "\n expected distance:"
+ expectedDist
+ ", but was:"
+ dist);
}
public RoutingAlgorithmSpecialAreaTests(Graph graph) {
this.unterfrankenGraph = graph;
StopWatch sw = new StopWatch().start();
Location2IDQuadtree index;
if (graph instanceof GraphStorage) {
Directory dir = ((GraphStorage) graph).getDirectory();
index = new Location2IDQuadtree(unterfrankenGraph, dir);
// logger.info("dir: " + dir.getLocation());
} else
index = new Location2IDQuadtree(unterfrankenGraph, new RAMDirectory("loc2idIndex", false));
// Location2IDPreciseIndex index = new Location2IDPreciseIndex(unterfrankenGraph, dir);
// Location2IDFullIndex index = new Location2IDFullIndex(graph);
if (!index.loadExisting()) {
index.prepareIndex(200000);
index.flush();
}
idx = index;
logger.info(
index.getClass().getSimpleName()
+ " index. Size:"
+ idx.calcMemInMB()
+ " MB, took:"
+ sw.stop().getSeconds());
}
void testAlgos() {
if (unterfrankenGraph instanceof LevelGraph)
throw new IllegalStateException(
"run testAlgos only with a none-LevelGraph. Use osmreader.levelgraph=false");
TestAlgoCollector testCollector = new TestAlgoCollector();
RoutingAlgorithm[] algos = createAlgos(unterfrankenGraph);
for (RoutingAlgorithm algo : algos) {
int failed = testCollector.list.size();
testCollector.assertDistance(
algo, idx.findID(50.0315, 10.5105), idx.findID(50.0303, 10.5070), 0.5613, 20);
testCollector.assertDistance(
algo, idx.findID(49.51451, 9.967346), idx.findID(50.2920, 10.4650), 107.4917, 1673);
testCollector.assertDistance(
algo, idx.findID(50.0780, 9.1570), idx.findID(49.5860, 9.9750), 93.5559, 1278);
testCollector.assertDistance(
algo, idx.findID(50.2800, 9.7190), idx.findID(49.8960, 10.3890), 77.73985, 1217);
testCollector.assertDistance(
algo, idx.findID(49.8020, 9.2470), idx.findID(50.4940, 10.1970), 125.5666, 2135);
testCollector.assertDistance(
algo, idx.findID(49.7260, 9.2550), idx.findID(50.4140, 10.2750), 132.1662, 2138);
testCollector.assertDistance(
algo, idx.findID(50.1100, 10.7530), idx.findID(49.6500, 10.3410), 73.05989, 1229);
System.out.println(
"unterfranken " + algo + ": " + (testCollector.list.size() - failed) + " failed");
}
if (testCollector.list.size() > 0) {
System.out.println("\n-------------------------------\n");
System.out.println(testCollector);
} else System.out.println("SUCCESS!");
}
public void runShortestPathPerf(int runs, RoutingAlgorithm algo) throws Exception {
BBox bbox = unterfrankenGraph.getBounds();
double minLat = bbox.minLat, minLon = bbox.minLon;
double maxLat = bbox.maxLat, maxLon = bbox.maxLon;
if (unterfrankenGraph instanceof LevelGraph) {
if (algo instanceof DijkstraBidirectionRef)
algo = new PrepareContractionHierarchies().setGraph(unterfrankenGraph).createAlgo();
// algo = new
// PrepareSimpleShortcuts().setGraph(unterfrankenGraph).createAlgo();
else if (algo instanceof AStarBidirection)
algo = new PrepareSimpleShortcuts().setGraph(unterfrankenGraph).createAStar();
else
// level graph accepts all algorithms but normally we want to use an optimized one
throw new IllegalStateException(
"algorithm which boosts query time for levelgraph not found " + algo);
logger.info("[experimental] using shortcuts with " + algo);
} else logger.info("running " + algo);
Random rand = new Random(123);
StopWatch sw = new StopWatch();
// System.out.println("cap:" + ((GraphStorage) unterfrankenGraph).capacity());
for (int i = 0; i < runs; i++) {
double fromLat = rand.nextDouble() * (maxLat - minLat) + minLat;
double fromLon = rand.nextDouble() * (maxLon - minLon) + minLon;
// sw.start();
int from = idx.findID(fromLat, fromLon);
double toLat = rand.nextDouble() * (maxLat - minLat) + minLat;
double toLon = rand.nextDouble() * (maxLon - minLon) + minLon;
int to = idx.findID(toLat, toLon);
// sw.stop();
// logger.info(i + " " + sw + " from (" + from + ")" + fromLat + ", " + fromLon
// + " to (" + to + ")" + toLat + ", " + toLon);
if (from == to) {
logger.warn("skipping i " + i + " from==to " + from);
continue;
}
algo.clear();
sw.start();
Path p = algo.calcPath(from, to);
sw.stop();
if (!p.found()) {
// there are still paths not found cause of oneway motorways => only routable in one
// direction
// e.g. unterfrankenGraph.getLatitude(798809) + "," + unterfrankenGraph.getLongitude(798809)
logger.warn(
"no route found for i="
+ i
+ " !? "
+ "graph-from "
+ from
+ "("
+ fromLat
+ ","
+ fromLon
+ "), "
+ "graph-to "
+ to
+ "("
+ toLat
+ ","
+ toLon
+ ")");
continue;
}
if (i % 20 == 0)
logger.info(i + " " + sw.getSeconds() / (i + 1) + " secs/run"); // (" + p + ")");
}
}
