本文整理汇总了C#中Polygon.GetBoundingRectangle方法的典型用法代码示例。如果您正苦于以下问题:C# Polygon.GetBoundingRectangle方法的具体用法?C# Polygon.GetBoundingRectangle怎么用?C# Polygon.GetBoundingRectangle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.GetBoundingRectangle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: Region
/// <summary>
/// Создает экземпляр Region.
/// </summary>
/// <param name="polygon">Полигон</param>
/// <param name="fillMode">Режим заполнения внутренних областей</param>
public Region(Polygon polygon, InteriorFillMode fillMode)
{
if (polygon == null)
throw new ArgumentNullException("polygon");
_contourBounds = new BoundingRectangle[polygon.Contours.Count];
for(int i = 0; i < polygon.Contours.Count; i++)
_contourBounds[i] = polygon.Contours[i].GetBoundingRectangle();
_fillingMode = fillMode;
_polygon = polygon;
_br = _polygon.GetBoundingRectangle();
}
示例2: checkWeightedVertex
private bool checkWeightedVertex(Polyline polyline, KDTree vertexIndex, SDMinVertex currentVertex, KDTree crossPointIndex)
{
// probably not an internal vertex
if (currentVertex.Previous == null || currentVertex.Next == null)
return true;
// top with infinite weight ("do not remove")
if (double.IsPositiveInfinity(currentVertex.Weight))
return true;
SDMinVertex previous = currentVertex.Previous;
SDMinVertex next = currentVertex.Next;
// One of the segments formed by the vertex in question may be one of the intersection points.
// If so, you can not remove the top, as point of self-intersection, it may be removed.
Segment s1 = new Segment(pointOfWeightedVertex(polyline, currentVertex),
pointOfWeightedVertex(polyline, previous));
Segment s2 = new Segment(pointOfWeightedVertex(polyline, currentVertex),
pointOfWeightedVertex(polyline, next));
List<SDMinCrossPoint> crossPoints = new List<SDMinCrossPoint>();
crossPointIndex.QueryObjectsInRectangle(s1.GetBoundingRectangle(), crossPoints);
crossPointIndex.QueryObjectsInRectangle(s2.GetBoundingRectangle(), crossPoints);
foreach (SDMinCrossPoint point in crossPoints)
{
if (PlanimetryAlgorithms.LiesOnSegment(point.Point, s1))
{
currentVertex.IsCrossSegmentVertex = true;
currentVertex.Previous.IsCrossSegmentVertex = true;
return false;
}
if(PlanimetryAlgorithms.LiesOnSegment(point.Point, s2))
{
currentVertex.IsCrossSegmentVertex = true;
currentVertex.Next.IsCrossSegmentVertex = true;
return false;
}
}
//One of the polyline vertices can belong to a triangle,
//the apex of which is considered the top. In this case,
//the top can not be deleted because will be a new point of self-intersection.
Polygon triangle = new Polygon(new ICoordinate[] { pointOfWeightedVertex(polyline, previous),
pointOfWeightedVertex(polyline, currentVertex),
pointOfWeightedVertex(polyline, next) });
List<SDMinVertex> vertices = new List<SDMinVertex>();
vertexIndex.QueryObjectsInRectangle<SDMinVertex>(triangle.GetBoundingRectangle(), vertices);
foreach (SDMinVertex vertex in vertices)
{
ICoordinate p = pointOfWeightedVertex(polyline, vertex);
//point should not be the top of the triangle
if (p.ExactEquals(triangle.Contours[0].Vertices[0]) ||
p.ExactEquals(triangle.Contours[0].Vertices[1]) ||
p.ExactEquals(triangle.Contours[0].Vertices[2]))
continue;
if (triangle.ContainsPoint(p))
return false;
}
return true;
}