//MULTIPOLYGON(((0 0,4 0,4 4,0 4,0 0),(1 1,2 1,2 2,1 2,1 1)), ((-1 -1,-1 -2,-2 -2,-2 -1,-1 -1)))
public static string ToWkt(RingBag2 <double> geom)
{
if (geom != null)
{
Ring2 <double> cur;
StringBuilder sb = new StringBuilder();
sb.Append("MULTIPOLYGON(");
for (uint i = 0; i < geom.PartCount; i++)
{
sb.Append("((");
cur = geom[i];
for (uint j = 0; j < cur.VertexCount; j++)
{
sb.Append(cur[j].X);
sb.Append(' ');
sb.Append(cur[j].Y);
sb.Append(',');
}
sb.Length = sb.Length - 1; //truncate last ,
sb.Append(")),");
}
if (geom.PartCount > 0)
{
sb[sb.Length - 1] = ')';
}
else
{
sb.Append(')');
}
return(sb.ToString());
}
return(string.Empty);
}
public RingBag2(RingBag2 <T> other)
{
if (other == null)
{
throw new ArgumentNullException();
}
this.Rings = other.Rings;
}
public int CompareTo(RingBag2 <T> other)
{
if (other == null)
{
return(1);
}
if (object.ReferenceEquals(this, other))
{
return(0);
}
if (object.ReferenceEquals(this.Rings, other.Rings))
{
return(0);
}
return(this.Envelope.CompareTo(other.Envelope));
}
public override bool Equals(object obj)
{
if (object.ReferenceEquals(null, obj))
{
return(false);
}
if (object.ReferenceEquals(this, obj))
{
return(true);
}
if (obj is RingBag2 <T> )
{
RingBag2 <T> other = obj as RingBag2 <T>;
if (other != null && this.Rings.Length == other.Rings.Length)
{
Ring2 <T> curUs;
Ring2 <T> curThem;
bool match;
for (int i = 0; i < this.Rings.Length; i++)
{
match = false;
curUs = this.Rings[i];
for (int j = 0; j < other.Rings.Length; j++)
{
curThem = other.Rings[j];
if (curThem.Equals(curUs))
{
match = true;
break; //no point checking more
}
}
if (!match)
{
return(false); //didn't find a chain
}
}
return(true);
}
}
return(false);
}
public bool Equals(RingBag2 <T> other)
{
if (other == null)
{
return(false);
}
if (object.ReferenceEquals(this, other))
{
return(true);
}
if (object.ReferenceEquals(this.Rings, other.Rings))
{
return(true);
}
if (this.VertexCount.Equals(other.VertexCount) && this.Envelope.Equals(other.Envelope))
{
Ring2 <T> us;
Ring2 <T> them;
for (int i = 0; i < this.Rings.Length; i++)
{
us = this.Rings[i];
them = other.Rings[i];
if (us.Points.Length != them.Points.Length)
{
return(false); //can't be the same
}
for (int j = 0; j < us.Points.Length; j++)
{
if (!us.Points[j].Equals(them.Points[j]))
{
return(false);
}
}
}
return(true);
}
return(false);
}
