/// <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);
}
}
}
public void test_NumGeometries()
{
//create a new multipoint
MultiPoint mp1 = CreateTester1();
//create a new multipoint
MultiPoint mp2 = CreateTester2();
//create a new multipoint
MultiPoint mp3 = CreateTester3();
//create a new multipoint
MultiPoint mp4 = CreateTester4();
Assertion.AssertEquals("NumGeometries-1: ", 23, mp1.GetNumGeometries());
Assertion.AssertEquals("NumGeometries-2: ", 18, mp2.GetNumGeometries());
Assertion.AssertEquals("NumGeometries-3: ", 21, mp3.GetNumGeometries());
Assertion.AssertEquals("NumGeometries-4: ", 32, mp4.GetNumGeometries());
}
public void test_Clone()
{
//create a new multipoint
MultiPoint mp = CreateTester1();
//clone that multipoint
MultiPoint mp2 = mp.Clone() as MultiPoint;
//Test that they are not the same multipoint
Assertion.AssertEquals("Clone-1: ", false, mp == mp2);
//Test that they have the same coordinates
for (int i = 0; i < mp.GetNumGeometries(); i++)
{
Assertion.AssertEquals("Clone-2: ", true, mp.GetCoordinate(i).X.Equals(mp2.GetCoordinate(i).X));
Assertion.AssertEquals("Clone-3: ", true, mp.GetCoordinate(i).Y.Equals(mp2.GetCoordinate(i).Y));
}
}
/// <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="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(")");
}
}
