/// <summary>
/// Converts a MultiLineString to <MultiLineString Tagged
/// Text> format, then Appends it to the writer.
/// </summary>
/// <param name="multiLineString">The MultiLineString to process</param>
/// <param name="writer">The output stream writer to Append to.</param>
protected void AppendMultiLineStringTaggedText( MultiLineString multiLineString, TextWriter writer )
{
AppendPath(writer);
AppendMultiLineStringText(multiLineString, writer);
AppendEndPath(writer);
}
/// <summary>
/// Converts a MultiLineString to <MultiLineString Text>
/// format, then Appends it to the writer.
/// </summary>
/// <param name="multiLineString">The MultiLineString to process.</param>
/// <param name="writer">The output stream writer to Append to.</param>
protected void AppendMultiLineStringText(MultiLineString multiLineString, TextWriter writer)
{
if (multiLineString.IsEmpty())
{
writer.Write("EMPTY");
}
else
{
for (int i = 0; i < multiLineString.GetNumGeometries(); i++)
{
if (i > 0)
{
writer.Write(", ");
}
//AppendLineStringText((LineString) multiLineString.GetGeometryN(i), level2, doIndent, writer);
AppendLineStringText((LineString) multiLineString.GetGeometryN(i), writer);
}
//writer.Write(")");
}
}
/// <summary>
/// Converts a MultiLineString to <MultiLineString Text>
/// format, then Appends it to the writer.
/// </summary>
/// <param name="multiLineString">The MultiLineString to process.</param>
/// <param name="level"></param>
/// <param name="indentFirst"></param>
/// <param name="writer">The output stream writer to Append to.</param>
protected void AppendMultiLineStringText(MultiLineString multiLineString, int level, bool indentFirst,
StringWriter writer)
{
if ( multiLineString.IsEmpty() )
{
writer.Write("EMPTY");
}
else
{
int level2 = level;
bool doIndent = indentFirst;
writer.Write("(");
for (int i = 0; i < multiLineString.GetNumGeometries(); i++)
{
if (i > 0)
{
writer.Write(", ");
level2 = level + 1;
doIndent = true;
}
//AppendLineStringText((LineString) multiLineString.GetGeometryN(i), level2, doIndent, writer);
AppendLineStringText((LineString) multiLineString.GetGeometryN(i), level2, doIndent, writer);
}
writer.Write(")");
}
}
private MultiPolygon CreateMP1()
{
Polygon[] polygons = new Polygon[2];
LineString[] rings = new LineString[2];
Coordinates coords = new Coordinates();
Coordinate coord = new Coordinate(5, 1);
coords.Add(coord);
coord = new Coordinate(6, 2);
coords.Add(coord);
coord = new Coordinate(7, 3);
coords.Add(coord);
coord = new Coordinate(6, 4);
coords.Add(coord);
coord = new Coordinate(5, 5);
coords.Add(coord);
coord = new Coordinate(4, 4);
coords.Add(coord);
coord = new Coordinate(3, 3);
coords.Add(coord);
coord = new Coordinate(4, 2);
coords.Add(coord);
coord = new Coordinate(5, 1);
coords.Add(coord);
GeometryFactory gf = new GeometryFactory(_precMod, _sRID);
LinearRing exterior1 = gf.CreateLinearRing(coords);
polygons[0] = gf.CreatePolygon(exterior1);
rings[0] = exterior1 as LineString;
coords = new Coordinates();
coord = new Coordinate(5, 1);
coords.Add(coord);
coord = new Coordinate(6, 2);
coords.Add(coord);
coord = new Coordinate(7, 3);
coords.Add(coord);
coord = new Coordinate(6, 4);
coords.Add(coord);
coord = new Coordinate(5, 5);
coords.Add(coord);
coord = new Coordinate(4, 4);
coords.Add(coord);
coord = new Coordinate(3, 3);
coords.Add(coord);
coord = new Coordinate(4, 2);
coords.Add(coord);
coord = new Coordinate(5, 1);
coords.Add(coord);
LinearRing exterior2 = gf.CreateLinearRing(coords);
polygons[1] = gf.CreatePolygon(exterior2);
rings[1] = exterior2;
_mls1 = gf.CreateMultiLineString(rings);
return gf.CreateMultiPolygon(polygons);
}
/// <summary>
/// Converts a MultiLineString to <MultiLineString Tagged
/// Text> format, then Appends it to the writer.
/// </summary>
/// <param name="multiLineString">The MultiLineString to process</param>
/// <param name="level"></param>
/// <param name="writer">The output stream writer to Append to.</param>
protected void AppendMultiLineStringTaggedText( MultiLineString multiLineString, int level,
StringWriter writer )
{
writer.Write("MULTILINESTRING ");
AppendMultiLineStringText(multiLineString, level, false, writer);
}
/// <summary>
/// Tests if MultiLineString is simple.
/// </summary>
/// <param name="geometry">Geometry to test. Must be of type MultiLineString.</param>
/// <returns>Returns True if geometry is simple.</returns>
public bool IsSimple( MultiLineString geometry )
{
return IsSimpleLinearGeometry( geometry );
}
/// <summary>
/// Writes a multilinestring.
/// </summary>
/// <param name="mls">The multilinestring to be written.</param>
private void WriteMultiLineString(MultiLineString mls, byte format)
{
//Get the number of linestrings in this multilinestring.
int numLineStrings = mls.GetNumGeometries();
//Write the number of linestrings.
_bWriter.Write(numLineStrings);
//Loop on the number of linestrings.
for(int i = 0; i < numLineStrings; i++)
{
//Write each linestring.
WriteLineString((LineString)mls[i], format);
}
}
/// <summary>
/// Converts the List to an array.
/// </summary>
/// <param name="multiLineStrings">The List to convert.</param>
/// <returns>The List in array format.</returns>
public static MultiLineString[] ToMultiLineStringArray(ArrayList multiLineStrings)
{
MultiLineString[] multiLineStringArray = new MultiLineString[multiLineStrings.Count];
return (MultiLineString[]) multiLineStrings.ToArray(typeof(MultiLineString));
}
/// <summary>
/// Converts the List to an array.
/// </summary>
/// <param name="multiLineStrings">The List to convert.</param>
/// <returns>The List in array format.</returns>
public static MultiLineString[] ToMultiLineStringArray(ArrayList multiLineStrings)
{
MultiLineString[] multiLineStringArray = new MultiLineString[multiLineStrings.Count];
return((MultiLineString[])multiLineStrings.ToArray(typeof(MultiLineString)));
}