/// <summary>
/// Tests if MultiPoint is simple.
/// </summary>
/// <param name="mp">Geometry to test. Must be of type MultiPoint.</param>
/// <returns>Returns True if geometry is simple.</returns>
/// <remarks>A MultiPoint is simple if and only if it has no repeated points.</remarks>
public bool IsSimple( MultiPoint mp )
{
if ( mp.IsEmpty() )
{
return true;
}
SortedList points = new SortedList();
for ( int i = 0; i < mp.GetNumGeometries(); i++ )
{
Point pt = (Point) mp.GetGeometryN( i );
Coordinate p = pt.GetCoordinate();
if ( points.Contains( p ) )
{
return false;
}
points.Add( p, p );
} //for ( int i = 0; i < mp.NumGeometries; i++ )
return true;
} // public bool IsSimple( MultiPoint mp )
/// <summary>
/// Converts a MultiPoint to <MultiPoint Text> format, then
/// Appends it to the writer.
/// </summary>
/// <param name="multiPoint">The MultiPoint to process.</param>
/// <param name="writer">The output stream writer to Append to.</param>
protected void AppendMultiPointText(MultiPoint multiPoint, TextWriter writer)
{
if (multiPoint.IsEmpty())
{
//writer.Write("EMPTY");
}
else
{
for (int i = 0; i < multiPoint.GetNumGeometries(); i++)
{
AppendPointTaggedText( multiPoint.GetCoordinate(i), writer, _precisionModel);
}
}
}
/// <summary>
/// Converts a MultiPoint to <MultiPoint Text> format, then
/// Appends it to the writer.
/// </summary>
/// <param name="multiPoint">The MultiPoint to process.</param>
/// <param name="level"></param>
/// <param name="writer">The output stream writer to Append to.</param>
protected void AppendMultiPointText(MultiPoint multiPoint, int level, StringWriter writer)
{
if ( multiPoint.IsEmpty() )
{
writer.Write("EMPTY");
}
else
{
writer.Write("(");
for (int i = 0; i < multiPoint.GetNumGeometries(); i++)
{
if (i > 0)
{
writer.Write(", ");
}
AppendCoordinate( multiPoint.GetCoordinates()[i], writer,
multiPoint.PrecisionModel );
}
writer.Write(")");
}
}