本文整理汇总了C#中PolylineClass.get_Point方法的典型用法代码示例。如果您正苦于以下问题：C# PolylineClass.get_Point方法的具体用法？C# PolylineClass.get_Point怎么用？C# PolylineClass.get_Point使用的例子？那么, 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PolylineClass的用法示例。
在下文中一共展示了PolylineClass.get_Point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: GetExample11
public static IGeometry GetExample11()
{
const double CircleDegrees = 360.0;
const int CircleDivisions = 36;
const double VectorComponentOffset = 0.0000001;
const double CircleRadius = 3.0;
const double BaseZ = 0.0;
//Extrusion: 3D Circle Polyline Extruded Along 3D Line Via ConstructExtrudeAlongLine()
IPointCollection polylinePointCollection = new PolylineClass();
IGeometry polylineGeometry = polylinePointCollection as IGeometry;
GeometryUtilities.MakeZAware(polylineGeometry);
IPoint originPoint = GeometryUtilities.ConstructPoint3D(0, 0, 0);
IVector3D upperAxisVector3D = GeometryUtilities.ConstructVector3D(0, 0, 10);
IVector3D lowerAxisVector3D = GeometryUtilities.ConstructVector3D(0, 0, -10);
lowerAxisVector3D.XComponent += VectorComponentOffset;
IVector3D normalVector3D = upperAxisVector3D.CrossProduct(lowerAxisVector3D) as IVector3D;
normalVector3D.Magnitude = CircleRadius;
double rotationAngleInRadians = GeometryUtilities.GetRadians(CircleDegrees / CircleDivisions);
for (int i = 0; i < CircleDivisions; i++)
{
normalVector3D.Rotate(-1 * rotationAngleInRadians, upperAxisVector3D);
IPoint vertexPoint = GeometryUtilities.ConstructPoint3D(originPoint.X + normalVector3D.XComponent,
originPoint.Y + normalVector3D.YComponent,
BaseZ);
polylinePointCollection.AddPoint(vertexPoint, ref _missing, ref _missing);
}
polylinePointCollection.AddPoint(polylinePointCollection.get_Point(0), ref _missing, ref _missing);
ITopologicalOperator topologicalOperator = polylineGeometry as ITopologicalOperator;
topologicalOperator.Simplify();
//Define Line To Extrude Along
ILine extrusionLine = new LineClass();
extrusionLine.FromPoint = GeometryUtilities.ConstructPoint3D(-4, -4, -5);
extrusionLine.ToPoint = GeometryUtilities.ConstructPoint3D(4, 4, 5);
//Perform Extrusion
IConstructMultiPatch constructMultiPatch = new MultiPatchClass();
constructMultiPatch.ConstructExtrudeAlongLine(extrusionLine, polylineGeometry);
//Transform Extrusion Result
IPoint centroid = GeometryUtilities.ConstructPoint2D(0.5 * (polylineGeometry.Envelope.XMax + polylineGeometry.Envelope.XMin),
0.5 * (polylineGeometry.Envelope.YMax + polylineGeometry.Envelope.YMin));
ITransform2D transform2D = constructMultiPatch as ITransform2D;
transform2D.Move(extrusionLine.FromPoint.X - centroid.X, extrusionLine.FromPoint.Y - centroid.Y);
return constructMultiPatch as IGeometry;
}示例2: GetExample9
public static IGeometry GetExample9()
{
const int DensificationDivisions = 20;
const double MaxDeviation = 0.1;
const double BaseZ = 0;
const double OffsetZ = -7;
//Extrusion: 3D Polyline Having Vertices With Varying Z Values, Extruded Relative To Existing
// Vertex Z Values Via ConstructExtrude()
IPointCollection polylinePointCollection = new PolylineClass();
polylinePointCollection.AddPoint(GeometryUtilities.ConstructPoint2D(-10, -10), ref _missing, ref _missing);
polylinePointCollection.AddPoint(GeometryUtilities.ConstructPoint2D(0, -5), ref _missing, ref _missing);
polylinePointCollection.AddPoint(GeometryUtilities.ConstructPoint2D(0, 5), ref _missing, ref _missing);
polylinePointCollection.AddPoint(GeometryUtilities.ConstructPoint2D(10, 10), ref _missing, ref _missing);
IPolyline polyline = polylinePointCollection as IPolyline;
polyline.Densify(polyline.Length / DensificationDivisions, MaxDeviation);
IGeometry polylineGeometry = polyline as IGeometry;
GeometryUtilities.MakeZAware(polylineGeometry);
Random random = new Random();
for (int i = 0; i < polylinePointCollection.PointCount; i++)
{
IPoint polylinePoint = polylinePointCollection.get_Point(i);
polylinePointCollection.UpdatePoint(i, GeometryUtilities.ConstructPoint3D(polylinePoint.X, polylinePoint.Y, BaseZ - 2 * Math.Sin(random.NextDouble())));
}
ITopologicalOperator topologicalOperator = polylineGeometry as ITopologicalOperator;
topologicalOperator.Simplify();
IConstructMultiPatch constructMultiPatch = new MultiPatchClass();
constructMultiPatch.ConstructExtrude(OffsetZ, polylineGeometry);
return constructMultiPatch as IGeometry;
}