/// <summary>
/// Returns the next array of Coordinates in the stream.
/// </summary>
/// <param name="tokenizer">Tokenizer over a stream of text in Well-known Text format. The
/// next element returned by the stream should be "(" (the beginning of "(x1 y1, x2 y2, ..., xn yn)" or
/// "EMPTY".</param>
/// <returns>The next array of Coordinates in the stream, or an empty array of "EMPTY" is the
/// next element returned by the stream.</returns>
private Coordinates GetCoordinates(WktStreamTokenizer tokenizer)
{
Coordinates coordinates = new Coordinates();
string nextToken = GetNextEmptyOrOpener(tokenizer);
if (nextToken == "EMPTY")
{
return(coordinates);
}
Coordinate externalCoordinate = new Coordinate();
Coordinate internalCoordinate = new Coordinate();
externalCoordinate.X = GetNextNumber(tokenizer);
externalCoordinate.Y = GetNextNumber(tokenizer);
_precisionModel.ToInternal(externalCoordinate, internalCoordinate);
coordinates.Add(internalCoordinate);
nextToken = GetNextCloserOrComma(tokenizer);
while (nextToken == ",")
{
externalCoordinate.X = this.GetNextNumber(tokenizer);
externalCoordinate.Y = this.GetNextNumber(tokenizer);
internalCoordinate = new Coordinate();
_precisionModel.ToInternal(externalCoordinate, internalCoordinate);
coordinates.Add(internalCoordinate);
nextToken = GetNextCloserOrComma(tokenizer);
}
return(coordinates);
//Coordinate[] array = new Coordinate[coordinates.Count];
//return (Coordinate[]) coordinates.ToArray(typeof(Coordinate));
}