internal static NTSPolygon ToNTSPolygon(Geometries.Polygon geom,
IGeometryFactory factory)
{
NTSLinearRing shell = ToNTSLinearRing(geom.ExteriorRing, factory);
NTSLinearRing[] holes = new NTSLinearRing[geom.InteriorRings.Count];
int index = 0;
foreach (Geometries.LinearRing hole in geom.InteriorRings)
{
holes[index++] = ToNTSLinearRing(hole, factory);
}
return(factory.CreatePolygon(shell, holes) as NTSPolygon);
}
/// <summary>
/// Returns true if the element intersect the rectangle from the parent class
/// </summary>
/// <param name="rect">The rectangle to test must be in the virtual modeling coordinant plane</param>
/// <returns></returns>
public override bool elementInRectangle(Rectangle rect)
{
Geometries.IGeometry rectanglePoly;
if ((rect.Height == 0) && (rect.Width == 0))
{
rectanglePoly = new Geometries.Point(rect.X, rect.Y);
}
else if (rect.Width == 0)
{
Geometries.Point[] rectanglePoints = new Geometries.Point[2];
rectanglePoints[0] = new Geometries.Point(rect.X, rect.Y);
rectanglePoints[1] = new Geometries.Point(rect.X, rect.Y + rect.Height);
rectanglePoly = new MapWindow.Geometries.LineString(rectanglePoints);
}
else if (rect.Height == 0)
{
Geometries.Point[] rectanglePoints = new Geometries.Point[2];
rectanglePoints[0] = new Geometries.Point(rect.X, rect.Y);
rectanglePoints[1] = new Geometries.Point(rect.X + rect.Width, rect.Y);
rectanglePoly = new MapWindow.Geometries.LineString(rectanglePoints);
}
else
{
Geometries.Point[] rectanglePoints = new Geometries.Point[5];
rectanglePoints[0] = new Geometries.Point(rect.X, rect.Y);
rectanglePoints[1] = new Geometries.Point(rect.X, rect.Y + rect.Height);
rectanglePoints[2] = new Geometries.Point(rect.X + rect.Width, rect.Y + rect.Height);
rectanglePoints[3] = new Geometries.Point(rect.X + rect.Width, rect.Y);
rectanglePoints[4] = new Geometries.Point(rect.X, rect.Y);
rectanglePoly = new Geometries.Polygon(new Geometries.LinearRing(rectanglePoints));
}
if (Shape == ModelShapes.Arrow)
{
Geometries.Point[] arrowPoints = new Geometries.Point[_arrowPath.PointCount];
for(int i = 0; i < _arrowPath.PointCount; i++)
{
arrowPoints[i] = new Geometries.Point(_arrowPath.PathPoints[i].X + this.Location.X,_arrowPath.PathPoints[i].Y + this.Location.Y);
}
Geometries.LineString arrowLine = new MapWindow.Geometries.LineString(arrowPoints);
return (arrowLine.Intersects(rectanglePoly));
}
return false;
}
public void QueryBoundary(int hDC, Core.ITransformation displayTransform, Geometries.IGeometry Geometry, Geometries.Polygon boundary)
{
throw new NotImplementedException();
}
/// <summary>
/// Returns true if the element intersect the rectangle from the parent class
/// </summary>
/// <param name="rect">The rectangle to test must be in the virtual modeling coordinant plane</param>
/// <returns></returns>
public virtual bool elementInRectangle(Rectangle rect)
{
Geometries.IGeometry rectanglePoly;
if ((rect.Height == 0) && (rect.Width == 0))
{
rectanglePoly = new Geometries.Point(rect.X, rect.Y);
}
else if (rect.Width == 0)
{
Geometries.Point[] rectanglePoints = new Geometries.Point[2];
rectanglePoints[0] = new Geometries.Point(rect.X, rect.Y);
rectanglePoints[1] = new Geometries.Point(rect.X, rect.Y + rect.Height);
rectanglePoly = new MapWindow.Geometries.LineString(rectanglePoints);
}
else if (rect.Height == 0)
{
Geometries.Point[] rectanglePoints = new Geometries.Point[2];
rectanglePoints[0] = new Geometries.Point(rect.X, rect.Y);
rectanglePoints[1] = new Geometries.Point(rect.X + rect.Width, rect.Y);
rectanglePoly = new MapWindow.Geometries.LineString(rectanglePoints);
}
else
{
Geometries.Point[] rectanglePoints = new Geometries.Point[5];
rectanglePoints[0] = new Geometries.Point(rect.X, rect.Y);
rectanglePoints[1] = new Geometries.Point(rect.X, rect.Y + rect.Height);
rectanglePoints[2] = new Geometries.Point(rect.X + rect.Width, rect.Y + rect.Height);
rectanglePoints[3] = new Geometries.Point(rect.X + rect.Width, rect.Y);
rectanglePoints[4] = new Geometries.Point(rect.X, rect.Y);
rectanglePoly = new Geometries.Polygon(new Geometries.LinearRing(rectanglePoints));
}
switch (Shape)
{
case ModelShapes.Rectangle:
return (rect.IntersectsWith(this.Rectangle));
case ModelShapes.Ellipse:
int b = Height / 2;
int a = Width / 2;
Geometries.Point[] ellipsePoints = new Geometries.Point[(4 * a) + 1];
for (int x = -a; x <= a; x++)
{
if (x == 0)
{
ellipsePoints[x + a] = new Geometries.Point(Location.X + x + a, Location.Y);
ellipsePoints[3 * a - x] = new Geometries.Point(Location.X + x + a, Location.Y + Height);
}
else
{
ellipsePoints[x + a] = new Geometries.Point(Location.X + x + a, Location.Y + b - System.Math.Sqrt(System.Math.Abs(((b * b * x * x) / (a * a)) - (b * b))));
ellipsePoints[3 * a - x] = new Geometries.Point(Location.X + x + a, Location.Y + b + System.Math.Sqrt(System.Math.Abs(((b * b * x * x) / (a * a)) - (b * b))));
}
}
Geometries.Polygon ellipsePoly = new Geometries.Polygon(new Geometries.LinearRing(ellipsePoints));
return (ellipsePoly.Intersects(rectanglePoly));
case ModelShapes.Triangle:
Geometries.Point[] trianglePoints = new Geometries.Point[4];
trianglePoints[0] = new Geometries.Point(Location.X, Location.Y);
trianglePoints[1] = new Geometries.Point(Location.X, Location.Y + Height);
trianglePoints[2] = new Geometries.Point(Location.X + Width - 5, Location.Y + ((this.Height - 5) / 2));
trianglePoints[3] = new Geometries.Point(Location.X, Location.Y);
Geometries.Polygon trianglePoly = new Geometries.Polygon(new Geometries.LinearRing(trianglePoints));
return (trianglePoly.Intersects(rectanglePoly));
default:
return false;
}
}
