public void MultiLinestring()
{
MultiLineString mls = new MultiLineString();
Assert.IsTrue(mls.IsEmpty());
mls.LineStrings.Add(new LineString());
Assert.IsTrue(mls.IsEmpty());
mls.LineStrings[0].Vertices.Add(new Point(45, 68));
mls.LineStrings[0].Vertices.Add(new Point(82, 44));
mls.LineStrings.Add(CreateLineString());
foreach (LineString ls in mls)
{
Assert.IsFalse(ls.IsEmpty());
}
Assert.IsFalse(mls.IsEmpty());
foreach (LineString ls in mls)
{
Assert.IsFalse(ls.IsClosed);
}
Assert.IsFalse(mls.IsClosed);
//Close linestrings
foreach (LineString ls in mls)
{
ls.Vertices.Add(ls.StartPoint.Clone());
}
foreach (LineString ls in mls)
{
Assert.IsTrue(ls.IsClosed);
}
Assert.IsTrue(mls.IsClosed);
Assert.AreEqual(new BoundingBox(1, 2, 930, 123), mls.GetBoundingBox());
}
/// <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(")");
}
}
public void test_Constructor()
{
//create a geomerty collection
MultiLineString multiLS = CreateMLS();
MultiLineString multiLS2 = CreateMLS1();
Assertion.AssertEquals("Constructor-1: ", false, multiLS.IsEmpty());
Assertion.AssertEquals("Constructor-2: ", false, multiLS2.IsEmpty());
}
public void test_IsEmpty()
{
//create a geomerty collection
MultiLineString multiLS = CreateMLS();
Assertion.AssertEquals("IsEmpty-1: ", false, multiLS.IsEmpty());
//now try it with a null geometry collection
GeometryFactory gf = new GeometryFactory(_precMod, _sRID);
multiLS = gf.CreateMultiLineString(null);
Assertion.AssertEquals("IsEmpty-2: ", true, multiLS.IsEmpty());
//now try it with a different geometry collection
multiLS = CreateMLS1();
Assertion.AssertEquals("IsEmpty-3: ", false, multiLS.IsEmpty());
//now try it again
multiLS = closedMLS();
Assertion.AssertEquals("IsEmpty-4: ", false, multiLS.IsEmpty());
}
/// <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>
private static void AppendMultiLineStringText(MultiLineString multiLineString, StringWriter writer)
{
if (multiLineString == null || multiLineString.IsEmpty())
{
writer.Write("EMPTY");
}
else
{
writer.Write("(");
for (int i = 0; i < multiLineString.LineStrings.Count; i++)
{
if (i > 0)
{
writer.Write(", ");
}
AppendLineStringText(multiLineString[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="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="writer">The output stream writer to Append to.</param>
private static void AppendMultiLineStringText(MultiLineString multiLineString, StringWriter writer)
{
if ((multiLineString == null) || multiLineString.IsEmpty())
writer.Write("EMPTY");
else
{
writer.Write("(");
for (var i = 0; i < multiLineString.LineStrings.Count; i++)
{
if (i > 0)
writer.Write(", ");
AppendLineStringText(multiLineString[i], writer);
}
writer.Write(")");
}
}
