public async Task CheckNumberingChanges()
{
// initialize with a single region of uniformly distributed start coordinates and exponentially
// distributed geographic distances
// Coordinates of Davis, CA: 38.553889, -121.738056
int clusterSize = 100;
double[][] startLocations = GenerateCluster(-121.738556, 38.553389, -121.737556, 38.554389, clusterSize);
double[][] endLocations = new double[clusterSize][];
for (int i = 0; i < clusterSize; i++)
{
endLocations[i] = GenerateEndpoint(startLocations[i][0], startLocations[i][1], 0.0002);
}
// perform initial cluster analysis and check k
LocationClusteringWithMocks clustering = CreateInstance(startLocations, endLocations);
await clustering.LocationClustering.RenumberAsync();
int k1 = clustering.LocationClustering.NumberOfClusters;
// add another region of legs
// Coordinates of San Francisco, CA: 37.783333, -122.416667
int clusterSize2 = 50;
double[][] startLocations2 = GenerateCluster(-122.417167, 37.782833, -122.416167, 37.783833, clusterSize2);
double[][] endLocations2 = new double[clusterSize2][];
for (int i = 0; i < clusterSize2; i++)
{
endLocations2[i] = GenerateEndpoint(startLocations2[i][0], startLocations2[i][1], 0.0003);
}
Array.Resize(ref startLocations, startLocations.Length + startLocations2.Length);
Array.Copy(startLocations2, 0, startLocations, startLocations.Length - startLocations2.Length, startLocations2.Length);
Array.Resize(ref endLocations, endLocations.Length + endLocations2.Length);
Array.Copy(endLocations2, 0, endLocations, endLocations.Length - endLocations2.Length, endLocations2.Length);
SetupLegLocationMocks(startLocations, endLocations, clustering);
await clustering.LocationClustering.RenumberAsync();
int k2 = clustering.LocationClustering.NumberOfClusters;
Assert.NotEqual <int>(k2, k1);
}
private static void SetupLegLocationMocks(double[][] startLocations, double[][] endLocations, LocationClusteringWithMocks locationClustering)
{
SetupLegLocationMocks(startLocations, endLocations, locationClustering.LegRepository, locationClustering.GeocodingDbSync);
}
