public static LucidPolygon operator-(LucidPolygon first, LucidPolygon second)
{
throw new NotImplementedException();
LucidPolygon intersection = null;
if (!first.ExtentOverlaps(second))
{
return(null);
}
foreach (var segment in first.Vertices.SlidingWindow(2))
{
foreach (var secondSegment in second.Vertices.SlidingWindow(2))
{
var point = GeometryHelper.LineIntersections(LucidLine.Create(segment), LucidLine.Create(secondSegment)).FirstOrDefault();
if (point != null)
{
if (intersection == null)
{
intersection = new LucidPolygon();
}
intersection += point;
}
}
}
return(intersection);
}
public static ILucidGeometry Create(string geometryJson)
{
if (geometryJson.Contains("\"x\""))
{
return(LucidPoint.Create(geometryJson));
}
if (geometryJson.Contains("\"xmax\""))
{
return(LucidExtent.Create(geometryJson));
}
if (geometryJson.Contains("\"paths\""))
{
return(LucidLine.Create(geometryJson));
}
if (geometryJson.Contains("\"rings\""))
{
return(LucidPolygon.Create(geometryJson));
}
throw new Exception($"Unrecognized geometry type {geometryJson}");
}
/// <summary>
/// Returns a circular buffer geometry for a point with the provided radius and vertex count.
/// </summary>
/// <param name="point">The point to buffer.</param>
/// <param name="radius">The radius to buffer the point by.</param>
/// <param name="edgeCount">The number of vertices, complexity, of the produced circular buffer.</param>
/// <returns></returns>
public static ILucidPolygon BufferPoint(IPoint point, double radius, int edgeCount = 24)
{
var path = CircularPathFromPoint(point, radius, edgeCount);
return(LucidPolygon.Create(path.Vertices));
}
public bool ExtentOverlaps(LucidPolygon other)
{
return(GeometryHelper.Intersects(this.AsExtent(), other.AsExtent()));
}
public static LucidPolygon Create(Map geometry, LucidSpatialReference spatialReference = null)
{
return(LucidPolygon.Create(geometry.ToString(), spatialReference));
}
public ILucidPolygon AsPolygon()
{
return(LucidPolygon.Create(Vertices, SpatialReference));
}
