public void FailWithTooFewPoints()
{
var target = new IdwInterpolator(dimensions: 2, power: 2, numberOfNeighbours: 5);
target.AddPointRange(_pointRange.Take(4).ToList()); // Not enough points.
Assert.Throws <IndexOutOfRangeException>(() => target.Interpolate(1, 1));
}
public void FailWithTooFewPoints()
{
var target = new IdwInterpolator(dimensions: 2, power: 2, numberOfNeighbours: 5);
target.AddPointRange(_pointRange.Take(4).ToList()); // Not enough points.
target.Interpolate(1, 1);
}
public void FailInterpolateWithWrongDimension()
{
var target = new IdwInterpolator(dimensions: 2, power: 2, numberOfNeighbours: 5);
target.AddPointRange(_pointRange);
target.Interpolate(1, 1, 1); // One dimension to much.
}
public void FailInterpolateWithWrongDimension()
{
var target = new IdwInterpolator(dimensions: 2, power: 2, numberOfNeighbours: 5);
target.AddPointRange(_pointRange);
Assert.Throws <ArgumentException>(() => target.Interpolate(1, 1, 1)); // One dimension to much.
}
public void TestInterpolateWithPointHit()
{
var target = new IdwInterpolator(dimensions: 2, power: 2, numberOfNeighbours: 4);
target.AddPointRange(_pointRange); // Test adding point range.
var result = target.Interpolate(1, 1);
Assert.AreEqual(2.2, result.Value);
Assert.AreEqual(1, result.Point.Value.Coordinates[0]);
Assert.AreEqual(1, result.Point.Value.Coordinates[1]);
Assert.AreEqual(InterpolationResult.ResultOptions.Hit, result.Result);
}
public void TestWeightedInterpolation()
{
var target = new IdwInterpolator(dimensions: 2, power: 2, numberOfNeighbours: 4);
foreach (var point in _pointRange)
{
target.AddPoint(point.Value, point.Coordinates); // Test adding bare values.
}
var result = target.Interpolate(1.5, 1.5);
Assert.AreEqual(2.875, result.Value, 0.001);
Assert.AreEqual(InterpolationResult.ResultOptions.Interpolated, result.Result);
Assert.IsNull(result.Point);
}
public void TestNearestNeighbourInterpolation()
{
var target = new IdwInterpolator(dimensions: 2, power: 2, numberOfNeighbours: 1);
foreach (var point in _pointRange)
{
target.AddPoint(point); // Test adding points.
}
var result = target.Interpolate(1.1, 1.1);
Assert.AreEqual(2.2, result.Value);
Assert.AreEqual(1, result.Point.Value.Coordinates[0]);
Assert.AreEqual(1, result.Point.Value.Coordinates[1]);
Assert.AreEqual(InterpolationResult.ResultOptions.NearestNeighbor, result.Result);
}
public void FailWithPointRangeWithWrongDimension()
{
var target = new IdwInterpolator(dimensions: 2, power: 2, numberOfNeighbours: 5);
var pointRange = new List <Point>
{
new Point(1.0, 0, 0),
new Point(1.1, 0, 1),
new Point(1.2, 0, 2),
new Point(2.0, 1, 0),
new Point(2.2, 1, 1),
new Point(2.4, 1) // Dimension wrong.
};
target.AddPointRange(pointRange);
}
public void FailWithPointAndCoordinatesWithWrongDimension()
{
var target = new IdwInterpolator(dimensions: 2, power: 2, numberOfNeighbours: 5);
target.AddPoint(1, 1, 1, 1); // One dimension too much.
}
public void FailWithPointAndMissingCoordinates()
{
var target = new IdwInterpolator(dimensions: 2, power: 2, numberOfNeighbours: 5);
target.AddPoint(1, null); // Coordinates missing.
}
public void FailWithNullPointRange()
{
var target = new IdwInterpolator(dimensions: 2, power: 2, numberOfNeighbours: 5);
target.AddPointRange(null);
}
public void FailNumberOfNeighboursOutOfRange()
{
// ReSharper disable once UnusedVariable
var target = new IdwInterpolator(dimensions: 2, power: 2, numberOfNeighbours: 0);
}
public void FailPowerOutOfRange()
{
// ReSharper disable once UnusedVariable
var target = new IdwInterpolator(dimensions: 2, power: 0);
}
public void FailWithPointAndCoordinatesWithWrongDimension()
{
var target = new IdwInterpolator(dimensions: 2, power: 2, numberOfNeighbours: 5);
Assert.Throws <ArgumentException>(() => target.AddPoint(1, 1, 1, 1)); // One dimension too much.
}
public void FailWithPointAndMissingCoordinates()
{
var target = new IdwInterpolator(dimensions: 2, power: 2, numberOfNeighbours: 5);
Assert.Throws <ArgumentNullException>(() => target.AddPoint(1, null)); // Coordinates missing.
}
public void FailWithNullPointRange()
{
var target = new IdwInterpolator(dimensions: 2, power: 2, numberOfNeighbours: 5);
Assert.Throws <ArgumentNullException>(() => target.AddPointRange(null));
}
