本文整理汇总了C#中Polygon.IsEmpty方法的典型用法代码示例。如果您正苦于以下问题：C# Polygon.IsEmpty方法的具体用法？C# Polygon.IsEmpty怎么用？C# Polygon.IsEmpty使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Polygon的用法示例。
在下文中一共展示了Polygon.IsEmpty方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: PolygonTest
public void PolygonTest()
{
Polygon p = new Polygon();
Assert.IsTrue(p.IsEmpty());
Assert.AreEqual(0, p.NumInteriorRing);
Assert.AreEqual(p.NumInteriorRing, p.InteriorRings.Count);
Assert.IsFalse(p.Equals(null));
Assert.IsTrue(p.Equals(new Polygon()));
Assert.AreEqual(BoundingBox.Empty, p.GetBoundingBox());
LinearRing ring = new LinearRing();
ring.Vertices.Add(new Point(10, 10));
ring.Vertices.Add(new Point(20, 10));
ring.Vertices.Add(new Point(20, 20));
Assert.IsFalse(ring.IsCcw());
ring.Vertices.Add(new Point(10, 20));
ring.Vertices.Add(ring.Vertices[0].Clone() as Point);
Assert.IsTrue(ring.IsPointWithin(new Point(15, 15)));
Assert.AreNotSame(ring.Clone(), ring);
p.ExteriorRing = ring;
Assert.AreEqual(100, p.Area);
LinearRing ring2 = new LinearRing();
ring2.Vertices.Add(new Point(11, 11));
ring2.Vertices.Add(new Point(19, 11));
ring2.Vertices.Add(new Point(19, 19));
ring2.Vertices.Add(new Point(11, 19));
ring2.Vertices.Add(ring2.Vertices[0].Clone() as Point);
p.InteriorRings.Add(ring2);
Assert.AreEqual(100 + 64, p.Area);
// Reverse() doesn't exist for Collections
//ring2.Vertices.Reverse();
//Assert.AreEqual(100 - 64, p.Area);
Assert.AreEqual(1, p.NumInteriorRing);
Assert.AreEqual(new BoundingBox(10, 10, 20, 20), p.GetBoundingBox());
Polygon p2 = p.Clone() as Polygon;
Assert.AreEqual(p, p2);
Assert.AreNotSame(p, p2);
p2.InteriorRings.RemoveAt(0);
Assert.AreNotEqual(p, p2);
}示例2: AppendPolygonText
/// <summary>
/// Converts a Polygon to <Polygon Text> format, then
/// Appends it to the writer.
/// </summary>
/// <param name="polygon">The Polygon to process.</param>
/// <param name="writer"></param>
private static void AppendPolygonText(Polygon polygon, StringWriter writer)
{
if ((polygon == null) || polygon.IsEmpty())
writer.Write("EMPTY");
else
{
writer.Write("(");
AppendLineStringText(polygon.ExteriorRing, writer);
foreach (var t in polygon.InteriorRings)
{
writer.Write(", ");
AppendLineStringText(t, writer);
}
writer.Write(")");
}
}