public void FindNeighborsThatSatisfyAGivenPredicate()
{
RBush <Box> bush = new RBush <Box>();
bush.BulkLoad(richData);
IEnumerable <Box> result = bush.KnnToPointSearch(2, 4, 1, b => b.Version < 5);
if (result.Count() == 1)
{
Box item = result.First();
if (item.Envelope.MinX == 3 && item.Envelope.MinY == 3 &&
item.Envelope.MaxX == 3 && item.Envelope.MaxY == 3 &&
item.Version == 2)
{
//Test passes. Found the correct item
}
else
{
//Could not find the correct item
Assert.True(false);
}
}
else
{
//Could not find the correct item
Assert.True(false);
}
}
public void FindAllNeighborsForMaxDistance()
{
RBush <Box> bush = new RBush <Box>();
bush.BulkLoad(boxes);
IEnumerable <Box> result = bush.KnnToPointSearch(40, 40, 0, maxDist: 10);
foreach (Box resBox in result)
{
Assert.True(CalcBoxDist(resBox, 40, 40) <= 10);
}
}
public void DoesNotThrowIfRequestingTooManyItems()
{
RBush <Box> bush = new RBush <Box>();
bush.BulkLoad(boxes);
try
{
IEnumerable <Box> result = bush.KnnToPointSearch(40, 40, 1000);
}
catch (Exception ex)
{
//Expected no exception
Assert.True(false);
}
}
public void FindNNeighborsForMaxDistance()
{
RBush <Box> bush = new RBush <Box>();
bush.BulkLoad(boxes);
IEnumerable <Box> result = bush.KnnToPointSearch(40, 40, 1, maxDist: 10);
Assert.True(result.Count() == 1);
Box resBox = result.First();
Assert.True(resBox.Envelope.MinX == 38);
Assert.True(resBox.Envelope.MinY == 39);
Assert.True(resBox.Envelope.MaxX == 39);
Assert.True(resBox.Envelope.MaxY == 39);
}
public void FindsNNeighbors()
{
RBush <Box> bush = new RBush <Box>();
bush.BulkLoad(boxes);
IEnumerable <Box> result = bush.KnnToPointSearch(40, 40, 10);
Box[] mustBeReturned = Box.CreateBoxes(new double[, ]
{
{ 38, 39, 39, 39 }, { 35, 39, 38, 40 }, { 34, 43, 36, 44 }, { 29, 42, 33, 42 },
{ 48, 38, 48, 40 }, { 31, 47, 33, 50 }, { 34, 29, 34, 32 },
{ 29, 45, 31, 47 }, { 39, 52, 39, 56 }, { 57, 36, 61, 40 }
});
Assert.True(result.Count() == result.Count());
int i = 0;
foreach (Box resBox in result)
{
Box checkBox = mustBeReturned[i];
Assert.True(resBox.CompareTo(checkBox) == 0);
i++;
}
}
