public void SimplifyEmptyLine_AlreadySimplified_ShouldReturnIt()
{
var line = new LineString(new[]
{
new Coordinate(0, 0),
new Coordinate(100, 0)
});
var simplified = RadialDistanceByAngleSimplifier.Simplify(line, 30, 90);
Assert.AreEqual(simplified.Count, line.Count);
}
public void SimplifyEmptyLine_VeryShort_ShouldReturnNull()
{
var line = new LineString(new[]
{
new Coordinate(0, 0),
new Coordinate(10, 0)
});
var simplified = RadialDistanceByAngleSimplifier.Simplify(line, 30, 90);
Assert.IsNull(simplified);
}
public void SimplifyLine_ShouldNotSimplifyByAngleDueToDistance_ShouldReturnSimplifiedLine()
{
var line = new LineString(new[]
{
new Coordinate(0, 0),
new Coordinate(100, 0),
new Coordinate(0, 1),
new Coordinate(100, 1)
});
var simplified = RadialDistanceByAngleSimplifier.Simplify(line, 30, 90);
Assert.AreEqual(line.Coordinates.Length, simplified.Coordinates.Length);
}
public void SimplifyLine_NoSimplificationNeeded_ShouldReturnSameLine()
{
var line = new LineString(new[]
{
new Coordinate(0, 0),
new Coordinate(100, 0),
new Coordinate(200, 0),
new Coordinate(300, 0),
});
var simplified = RadialDistanceByAngleSimplifier.Simplify(line, 30, 90);
Assert.AreEqual(line.Coordinates.Length, simplified.Coordinates.Length);
}
public void SimplifyLine_ZigZag_ShouldReturnRemoveIt()
{
var coordinateThatShouldBeRemoved = new Coordinate(1, 0);
var line = new LineString(new[]
{
new Coordinate(0, 0),
new Coordinate(10, 0),
coordinateThatShouldBeRemoved,
new Coordinate(11, 0),
new Coordinate(0, 0)
});
var simplified = RadialDistanceByAngleSimplifier.Simplify(line, 30, 90);
Assert.IsFalse(simplified.Coordinates.Contains(coordinateThatShouldBeRemoved));
}
public void SimplifyEmptyLine_ShouldReturnNull()
{
var simplified = RadialDistanceByAngleSimplifier.Simplify(new LineString(new Coordinate[0]), 0, 0);
Assert.IsNull(simplified);
}