public void CanCreatePolygonFromLine3(string wkt, double from, double to, double padding)
{
var start = wkt.IndexOf("(");
var end = wkt.LastIndexOf(")");
var points = wkt
.Substring(start + 1, end - start - 1)
.Split(',')
.Select(s => s.Trim().Split(' '))
.Select(s => new Point(double.Parse(s[0], CultureInfo.InvariantCulture), double.Parse(s[1], CultureInfo.InvariantCulture)))
.ToList();
var line = new Curve(points);
var polygon = line.CreatePolygonFromCurve(from, to, padding);
Assert.That(polygon, Is.Not.Null);
Assert.DoesNotThrow(() => polygon.ValidatePolygon());
}
public void CanCreatePolygonFromLine1()
{
var line = new Curve(new Point(0, 0), new Point(10, 0));
var polygon = line.CreatePolygonFromCurve(0.2, 0.8, 1.0);
Assert.That(polygon.Points.Count, Is.EqualTo(5));
Assert.That(polygon.Points[0].X, Is.EqualTo(2));
Assert.That(polygon.Points[0].Y, Is.EqualTo(1));
Assert.That(polygon.Points[1].X, Is.EqualTo(8));
Assert.That(polygon.Points[1].Y, Is.EqualTo(1));
Assert.That(polygon.Points[2].X, Is.EqualTo(8));
Assert.That(polygon.Points[2].Y, Is.EqualTo(-1));
Assert.That(polygon.Points[3].X, Is.EqualTo(2));
Assert.That(polygon.Points[3].Y, Is.EqualTo(-1));
Assert.That(polygon.Points[4].X, Is.EqualTo(2));
Assert.That(polygon.Points[4].Y, Is.EqualTo(1));
}
public void CanCreatePolygonFromLine2()
{
var line = new Curve(new Point(0, 0), new Point(0, 10), new Point(10, 10));
var polygon = line.CreatePolygonFromCurve(0, 1, 5.0);
Assert.That(polygon.Points.Count, Is.EqualTo(7));
Assert.That(polygon.Points[0].X, Is.EqualTo(-5));
Assert.That(polygon.Points[0].Y, Is.EqualTo(0));
Assert.That(polygon.Points[1].X, Is.EqualTo(-5));
Assert.That(polygon.Points[1].Y, Is.EqualTo(15));
Assert.That(polygon.Points[2].X, Is.EqualTo(10));
Assert.That(polygon.Points[2].Y, Is.EqualTo(15));
Assert.That(polygon.Points[3].X, Is.EqualTo(10));
Assert.That(polygon.Points[3].Y, Is.EqualTo(5));
Assert.That(polygon.Points[4].X, Is.EqualTo(5));
Assert.That(polygon.Points[4].Y, Is.EqualTo(5));
Assert.That(polygon.Points[5].X, Is.EqualTo(5));
Assert.That(polygon.Points[5].Y, Is.EqualTo(0));
Assert.That(polygon.Points[6].X, Is.EqualTo(-5));
Assert.That(polygon.Points[6].Y, Is.EqualTo(0));
var s = polygon.ToWkt();
Assert.AreEqual(s, "((-5 0, -5 15, 10 15, 10 5, 5 5, 5 0, -5 0))");
}
public void CanCreatePolygonRemoveOverlappingOffsettedPoints()
{
var line = new Curve(
new Point(140269.53480959567, 6570034.62979288),
new Point(140265.811, 6569999.782),
new Point(140264.6760465, 6569990.5984698),
new Point(140264.6760465, 6569990.5984698),
new Point(140260.972, 6569960.627),
new Point(140260.972, 6569960.627),
new Point(140260.454, 6569956.429),
new Point(140258.1810254, 6569940.8646021),
new Point(140258.1810254, 6569940.8646021),
new Point(140255.205, 6569920.486),
new Point(140255.205, 6569920.486),
new Point(140252.873, 6569904.517),
new Point(140248.809, 6569871.397),
new Point(140246.11606674892, 6569853.680439134)
);
line.CreatePolygonFromCurve(0.0, 1.0, 1.0);
}