private AlphaShapeCalculator GetAlphaShapeCalculator()
{
AlphaShapeCalculator shapeCalculator = new AlphaShapeCalculator();
shapeCalculator.Alpha = (double)numericUpDownAlpha.Value / Width;
//shapeCalculator.CloseShape = checkBoxCloseShape.Checked;
return(shapeCalculator);
}
public void CalculateAlphaShape_CloseShape()
{
var pts = new[]
{
new Point(193.5, 252.3),
new Point(78.7, 252.3),
new Point(193.5, 5.0),
new Point(107.4, 78.9),
new Point(78.7, 310.1),
new Point(250.9, 252.3),
new Point(136.1, 223.4),
new Point(78.7, 78.9),
new Point(78.7, 136.7),
new Point(222.2, 78.9),
new Point(107.4, 281.2),
new Point(164.8, 194.5),
new Point(308.3, 107.8),
new Point(164.8, 310.1),
new Point(136.1, 281.2),
new Point(33.7, 136.7),
new Point(279.6, 281.2),
new Point(5.0, 252.3),
new Point(78.7, 281.2),
new Point(193.5, 5.0),
new Point(193.5, 194.5),
new Point(193.5, 5.0),
new Point(78.7, 281.2),
new Point(136.1, 223.4),
new Point(222.2, 252.3),
new Point(250.9, 223.4),
new Point(5.0, 165.6),
new Point(5.0, 252.3),
new Point(136.1, 223.4),
new Point(279.6, 136.7)
};
var shapeCalculator = new AlphaShapeCalculator();
shapeCalculator.Alpha = 2.5 / 387;
var shape = shapeCalculator.CalculateShape(pts);
shapeCalculator.CloseShape = true;
var sndShape = shapeCalculator.CalculateShape(pts);
Assert.That(sndShape.Edges.Length, Is.GreaterThan(shape.Edges.Length));
}
public void CalculateAlphaShape()
{
AlphaShapeCalculator shapeCalculator = new AlphaShapeCalculator();
shapeCalculator.Alpha = .1;
var shape = shapeCalculator.CalculateShape(new Point[]
{
new Point(0, 0),
new Point(.5, 0),
new Point(1, 0),
new Point(1, .5),
new Point(1, 1),
new Point(.5, 1),
new Point(0, 1),
new Point(0, .5),
new Point(.5, .5),
});
Assert.That(shape.Vertices, Has.Length.EqualTo(8));
Assert.That(shape.Edges, Has.No.Contains(new Point(.5, .5)));
}