public static bool WithinDistance(this Polygon polygon, Multipoint multipoint, double distance)
{
if (Null(polygon, multipoint))
{
return(false);
}
return(multipoint.Distance(polygon) < distance);
}
public static bool WithinDistance(this Multipoint multipoint, Polygon polygon, double distance)
{
if (Null(multipoint, polygon))
{
return(false);
}
return(multipoint.Extent().Buffer(distance).Intersects(polygon.Extent()) && multipoint.Distance(polygon) < distance);
}
public static double?Distance(this Polygon polygon, Multipoint multipoint)
{
if (Null(polygon, multipoint))
{
return(null);
}
return(multipoint.Distance(polygon));
}
public static double?Distance(this Polyline polyline, Multipoint multipoint)
{
if (Null(polyline, multipoint))
{
return(null);
}
return(multipoint.Distance(polyline));
}
public static bool WithinDistance(this Multipoint multipoint1, Multipoint multipoint2, double distance)
{
if (Null(multipoint1, multipoint2))
{
return(false);
}
return(multipoint1.Extent().Buffer(distance).Intersects(multipoint2.Extent()) && multipoint1.Distance(multipoint2) < distance);
}