public static int getIdOf(Graph g, double latitude) {
int s = g.getNodes();
NodeAccess na = g.getNodeAccess();
for (int i = 0; i < s; i++) {
if (Math.abs(na.getLatitude(i) - latitude) < 1e-4) {
return i;
}
}
return -1;
}
@Test
public void testClone() {
graph = createGraph();
graph.edge(1, 2, 10, true);
NodeAccess na = graph.getNodeAccess();
na.setNode(0, 12, 23);
na.setNode(1, 8, 13);
na.setNode(2, 2, 10);
na.setNode(3, 5, 9);
graph.edge(1, 3, 10, true);
Graph clone = graph.copyTo(createGraph(locationParent + "/clone", false));
assertEquals(graph.getNodes(), clone.getNodes());
assertEquals(
count(carOutExplorer.setBaseNode(1)),
count(clone.createEdgeExplorer(carOutFilter).setBaseNode(1)));
clone.edge(1, 4, 10, true);
assertEquals(3, count(clone.createEdgeExplorer(carOutFilter).setBaseNode(1)));
assertEquals(graph.getBounds(), clone.getBounds());
Helper.close((Closeable) clone);
}
@Test
public void testGrid() {
Graph g = createSampleGraph(new EncodingManager("car"));
int locs = g.getNodes();
idx = createIndex(g, -1);
// if we would use less array entries then some points gets the same key so avoid that for this
// test
// e.g. for 16 we get "expected 6 but was 9" i.e 6 was overwritten by node j9 which is a bit
// closer to the grid center
// go through every point of the graph if all points are reachable
NodeAccess na = g.getNodeAccess();
for (int i = 0; i < locs; i++) {
double lat = na.getLatitude(i);
double lon = na.getLongitude(i);
assertEquals("nodeId:" + i + " " + (float) lat + "," + (float) lon, i, findID(idx, lat, lon));
}
// hit random lat,lon and compare result to full index
Random rand = new Random(12);
LocationIndex fullIndex;
if (hasEdgeSupport()) fullIndex = new Location2IDFullWithEdgesIndex(g);
else fullIndex = new Location2IDFullIndex(g);
DistanceCalc dist = new DistanceCalcEarth();
for (int i = 0; i < 100; i++) {
double lat = rand.nextDouble() * 5;
double lon = rand.nextDouble() * 5;
int fullId = findID(fullIndex, lat, lon);
double fullLat = na.getLatitude(fullId);
double fullLon = na.getLongitude(fullId);
float fullDist = (float) dist.calcDist(lat, lon, fullLat, fullLon);
int newId = findID(idx, lat, lon);
double newLat = na.getLatitude(newId);
double newLon = na.getLongitude(newId);
float newDist = (float) dist.calcDist(lat, lon, newLat, newLon);
if (testGridIgnore(i)) {
continue;
}
assertTrue(
i
+ " orig:"
+ (float) lat
+ ","
+ (float) lon
+ " full:"
+ fullLat
+ ","
+ fullLon
+ " fullDist:"
+ fullDist
+ " found:"
+ newLat
+ ","
+ newLon
+ " foundDist:"
+ newDist,
Math.abs(fullDist - newDist) < 50000);
}
fullIndex.close();
Helper.close((Closeable) g);
}
