public void TestMultipatchConversionWithMultipleRings()
{
Rectangular[] positions = new Rectangular[] {
new Rectangular(0.0, 5.0),
new Rectangular(5.0, 10.0),
new Rectangular(10.0, 5.0),
new Rectangular(5.0, 0.0),
new Rectangular(0.0, 5.0),
new Rectangular(2.0, 5.0),
new Rectangular(5.0, 2.0),
new Rectangular(8.0, 5.0),
new Rectangular(5.0, 8.0),
new Rectangular(2.0, 5.0),
};
CartographicExtent extent = new CartographicExtent(0.0, 0.0, 10.0, 10.0);
int[] parts = new int[] { 0, 5 };
MultiPatchPartType[] partTypes = new MultiPatchPartType[] { MultiPatchPartType.Ring, MultiPatchPartType.Ring };
double[] zValues = new double[] { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
double[] measures = new double[] { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
MultiPatchShape multipatch = new MultiPatchShape(0, m_metadata, extent, parts, partTypes, positions, 0.0, 0.0, zValues, 0.0, 0.0, measures);
MultiPatch patch = new MultiPatch(multipatch, m_document, Color.Blue);
patch.Write();
string result = m_stringWriter.ToString();
Regex polygonPattern = new Regex(m_polygonPattern);
Assert.AreEqual(2, polygonPattern.Matches(result).Count);
}
public void TestMultipatchConversionWithTriangleStrip()
{
Rectangular[] positions = new Rectangular[] {
new Rectangular(0.0, 0.0),
new Rectangular(0.0, 1.0),
new Rectangular(1.0, 0.0),
new Rectangular(1.0, 1.0),
new Rectangular(2.0, 0.0),
new Rectangular(2.0, 1.0),
new Rectangular(3.0, 0.0)
};
CartographicExtent extent = new CartographicExtent(0.0, 0.0, 3.0, 1.0);
int[] parts = new int[] { 0 };
MultiPatchPartType[] partTypes = new MultiPatchPartType[] { MultiPatchPartType.TriangleStrip };
double[] zValues = new double[] { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0 };
double[] measures = new double[] { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
MultiPatchShape multipatch = new MultiPatchShape(0, m_metadata, extent, parts, partTypes, positions, 0.0, 0.0, zValues, 0.0, 0.0, measures);
MultiPatch patch = new MultiPatch(multipatch, m_document, Color.Blue);
patch.Write();
string result = m_stringWriter.ToString();
Regex trianglePattern = new Regex(m_trianglePattern);
Assert.AreEqual(5, trianglePattern.Matches(result).Count);
}
public void TestMultipatchConversionWithInnerAndOuterRings()
{
Rectangular[] positions = new Rectangular[] {
new Rectangular(0.0, 5.0),
new Rectangular(5.0, 10.0),
new Rectangular(10.0, 5.0),
new Rectangular(5.0, 0.0),
new Rectangular(0.0, 5.0),
new Rectangular(2.0, 5.0),
new Rectangular(5.0, 2.0),
new Rectangular(8.0, 5.0),
new Rectangular(5.0, 8.0),
new Rectangular(2.0, 5.0),
};
CartographicExtent extent = new CartographicExtent(0.0, 0.0, 10.0, 10.0);
int[] parts = new int[] { 0, 5 };
MultiPatchPartType[] partTypes = new MultiPatchPartType[] { MultiPatchPartType.OuterRing, MultiPatchPartType.InnerRing };
double[] zValues = new double[] { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
double[] measures = new double[] { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
MultiPatchShape multipatch = new MultiPatchShape(0, m_metadata, extent, parts, partTypes, positions, 0.0, 0.0, zValues, 0.0, 0.0, measures);
MultiPatch patch = new MultiPatch(multipatch, m_document, Color.Blue);
patch.Write();
string result = m_stringWriter.ToString();
Assert.IsTrue(System.Text.RegularExpressions.Regex.IsMatch(result, m_polygonPattern));
}
/// <summary>
/// Writes the MultiPatch shape to its <see cref="CzmlDocument"/> as a series of polygon packets.
/// </summary>
public override void Write()
{
MultiPatchShape multipatch = (MultiPatchShape)m_shape;
List <Polygon> polygons = new List <Polygon>();
StringDictionary metadata = new StringDictionary();
var fields = multipatch.GetMetadataFields();
foreach (String field in fields)
{
metadata.Add(field, multipatch.GetMetadataValue(field));
}
for (int i = 0; i < multipatch.Count; i++)
{
List <ShapePart> polygonParts = new List <ShapePart>();
PolygonShape temp;
switch (multipatch.GetPartType(i))
{
case MultiPatchPartType.TriangleFan:
case MultiPatchPartType.TriangleStrip:
for (int j = 2; j < multipatch[i].Count; j++)
{
int firstIndex = (multipatch.GetPartType(i) == MultiPatchPartType.TriangleFan) ? 0 : j - 2;
Cartographic[] vertices = new Cartographic[] { multipatch[i][firstIndex], multipatch[i][j - 1], multipatch[i][j] };
ShapePart triangle = new ShapePart(vertices, 0, vertices.Length);
PolygonShape p = new PolygonShape(multipatch.RecordNumber, metadata, multipatch.Extent, new ShapePart[] { triangle });
(new Polygon(p, m_document, m_color)).Write();
}
break;
case MultiPatchPartType.Ring:
while (i < multipatch.Count && multipatch.GetPartType(i) == MultiPatchPartType.Ring)
{
temp = new PolygonShape(multipatch.RecordNumber, metadata, multipatch.Extent, new ShapePart[] { multipatch[i] });
(new Polygon(temp, m_document, m_color)).Write();
i++;
}
i--;
break;
case MultiPatchPartType.OuterRing:
case MultiPatchPartType.FirstRing:
polygonParts.Add(multipatch[i]);
MultiPatchPartType comparisonType = (multipatch.GetPartType(i) == MultiPatchPartType.OuterRing) ? MultiPatchPartType.InnerRing : MultiPatchPartType.Ring;
while (++i < multipatch.Count && multipatch.GetPartType(i) == comparisonType)
{
polygonParts.Add(multipatch[i]);
}
temp = new PolygonShape(multipatch.RecordNumber, metadata, multipatch.Extent, polygonParts.ToArray());
(new Polygon(temp, m_document, m_color)).Write();
i--;
break;
}
}
}
public MultiPatchShape(
int recordNumber,
StringDictionary metadata,
CartographicExtent extent,
int[] parts,
MultiPatchPartType[] partTypes,
Rectangular[] positions,
double minimumZ,
double maximumZ,
double[] zValues,
double minimumMeasure,
double maximumMeasure,
double[] measures,
ShapeType shapeType = ShapeType.MultiPatch)
: base(recordNumber, metadata, shapeType)
{
_extent = new CartographicExtent(
extent.WestLongitude * Constants.RadiansPerDegree,
extent.SouthLatitude * Constants.RadiansPerDegree,
extent.EastLongitude * Constants.RadiansPerDegree,
extent.NorthLatitude * Constants.RadiansPerDegree);
_minimumZ = minimumZ;
_maximumZ = maximumZ;
_minimumMeasure = minimumMeasure;
_maximumMeasure = maximumMeasure;
_measures = (double[])measures.Clone();
for (int i = 0; i < positions.Length; i++)
{
positions[i] = new Rectangular(positions[i].X * Constants.RadiansPerDegree, positions[i].Y * Constants.RadiansPerDegree);
}
_parts = new ShapePart[parts.Length];
for (int i = 0; i < parts.Length; ++i)
{
int count = ((i == parts.Length - 1) ?
positions.Length : parts[i + 1]) - parts[i];
_parts[i] = new ShapePart(positions, zValues, parts[i], count);
}
_partTypes = (MultiPatchPartType[])partTypes.Clone();
}
public ShapefileReader(string filename)
{
// ESRI Shapefile Technical Description:
// http://www.esri.com/library/whitepapers/pdfs/shapefile.pdf
using (FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read))
{
// File Header:
//
// Position Field Value Type Byte Order
// -------- ----- ----- ---- ----------
// Byte 0 File Code 9994 Integer Big
// Byte 4 Unused 0 Integer Big
// Byte 8 Unused 0 Integer Big
// Byte 12 Unused 0 Integer Big
// Byte 16 Unused 0 Integer Big
// Byte 20 Unused 0 Integer Big
// Byte 24 File Length File Length Integer Big
// Byte 28 Version 1000 Integer Little
// Byte 32 Shape Type Shape Type Integer Little
// Byte 36 Bounding Box Xmin Double Little
// Byte 44 Bounding Box Ymin Double Little
// Byte 52 Bounding Box Xmax Double Little
// Byte 60 Bounding Box Ymax Double Little
// Byte 68* Bounding Box Zmin Double Little
// Byte 76* Bounding Box Zmax Double Little
// Byte 84* Bounding Box Mmin Double Little
// Byte 92* Bounding Box Mmax Double Little
//
// * Unused, with value 0.0, if not Measured or Z type
byte[] fileHeader = Read(fs, _fileHeaderLength);
if (fileHeader == null)
{
throw new InvalidDataException("Could not read shapefile header.");
}
_byteOrder = BitConverter.IsLittleEndian ? ByteOrder.LittleEndian : ByteOrder.BigEndian;
int fileCode = ToInteger(fileHeader, 0, ByteOrder.BigEndian);;
if (fileCode != _fileCode)
{
throw new InvalidDataException("Could not read shapefile file code. Is this a valid shapefile?");
}
int fileLengthInBytes = ToInteger(fileHeader, 24, ByteOrder.BigEndian) * 2;
int version = ToInteger(fileHeader, 28, ByteOrder.LittleEndian);
if (version != _version)
{
throw new InvalidDataException("Shapefile version " + version + " is not supported. Only version " + _version + " is supported.");
}
// If a .prj file exists, check to see if the projection is supported.
string prjFilepath = Path.ChangeExtension(filename, "prj");
if (File.Exists(prjFilepath))
{
string prj = System.IO.File.ReadAllText(prjFilepath);
string projection = @"PROJECTION";
string unit = @"Degree";
if (Regex.IsMatch(prj, projection))
{
throw new InvalidDataException("Shapefile projection not supported.");
}
else if (!(Regex.IsMatch(prj, unit)))
{
throw new InvalidDataException("Shapefile units not supported. Only degrees is supported.");
}
}
_shapeType = (ShapeType)ToInteger(fileHeader, 32, ByteOrder.LittleEndian);
double xMin = ToDouble(fileHeader, 36, ByteOrder.LittleEndian);
double yMin = ToDouble(fileHeader, 44, ByteOrder.LittleEndian);
double xMax = ToDouble(fileHeader, 52, ByteOrder.LittleEndian);
double yMax = ToDouble(fileHeader, 60, ByteOrder.LittleEndian);
if (fileLengthInBytes == _fileHeaderLength)
{
// If the shapefile is empty (that is, has no records),
// the values for xMin, yMin, xMax, and yMax are unspecified.
//
// I like zero better.
xMin = 0.0;
yMin = 0.0;
xMax = 0.0;
yMax = 0.0;
}
_extent = new CartographicExtent(xMin, yMin, xMax, yMax);
// Read each header...
// Record Header:
//
// Position Field Value Type Byte Order
// -------- ----- ----- ---- ----------
// Byte 0 Record Number Record Number Integer Big
// Byte 4 Content Length Content Length Integer Big
_shapes = new List <Shape>();
byte[] recordHeader;
string dBaseFilepath = Path.ChangeExtension(filename, "dbf");
DataTable metadataTable = ParseDBF.ReadDBF(dBaseFilepath);
while ((recordHeader = Read(fs, _recordHeaderLength)) != null)
{
int recordNumber = ToInteger(recordHeader, 0, ByteOrder.BigEndian);
int contextLengthInBytes = ToInteger(recordHeader, 4, ByteOrder.BigEndian) * 2;
byte[] record = Read(fs, contextLengthInBytes);
int mOffset, zOffset;
StringDictionary metadata = new StringDictionary();
foreach (DataColumn column in metadataTable.Columns)
{
metadata.Add(column.ColumnName, Convert.ToString(metadataTable.Rows[recordNumber - 1][column]).Trim());
}
ShapeType recordShapeType = (ShapeType)ToInteger(record, 0, ByteOrder.LittleEndian);
switch (recordShapeType)
{
case ShapeType.NullShape:
// Filter out null shapes. Otherwise, every client
// would have to deal with them.
break;
case ShapeType.Point:
double x = ToDouble(record, 4, ByteOrder.LittleEndian);
double y = ToDouble(record, 12, ByteOrder.LittleEndian);
Cartographic position = new Cartographic(x, y, 0.0);
_shapes.Add(new PointShape(recordNumber, metadata, position));
break;
case ShapeType.PointM:
x = ToDouble(record, 4, ByteOrder.LittleEndian);
y = ToDouble(record, 12, ByteOrder.LittleEndian);
position = new Cartographic(x, y, 0.0);
double measure = ToDouble(record, 20, ByteOrder.LittleEndian);
_shapes.Add(new PointMShape(recordNumber, metadata, position, measure));
break;
case ShapeType.PointZ:
x = ToDouble(record, 4, ByteOrder.LittleEndian);
y = ToDouble(record, 12, ByteOrder.LittleEndian);
double z = ToDouble(record, 20, ByteOrder.LittleEndian);
position = new Cartographic(x, y, z);
measure = ToDouble(record, 28, ByteOrder.LittleEndian);
_shapes.Add(new PointZShape(recordNumber, metadata, position, measure));
break;
case ShapeType.MultiPoint:
case ShapeType.MultiPointM:
case ShapeType.MultiPointZ:
CartographicExtent extent = new CartographicExtent(
ToDouble(record, 4, ByteOrder.LittleEndian),
ToDouble(record, 12, ByteOrder.LittleEndian),
ToDouble(record, 20, ByteOrder.LittleEndian),
ToDouble(record, 28, ByteOrder.LittleEndian));
int numberOfPoints = ToInteger(record, 36, ByteOrder.LittleEndian);
Cartographic[] points = new Cartographic[numberOfPoints];
for (int i = 0; i < numberOfPoints; ++i)
{
points[i] = new Cartographic(
ToDouble(record, 40 + (16 * i), ByteOrder.LittleEndian),
ToDouble(record, 40 + (16 * i) + 8, ByteOrder.LittleEndian),
0.0);
}
if (recordShapeType == ShapeType.MultiPoint)
{
_shapes.Add(new MultiPointShape(recordNumber, metadata, extent, points));
}
else
{
mOffset = 40 + (16 * numberOfPoints);
zOffset = 40 + (16 * numberOfPoints);
if (recordShapeType == ShapeType.MultiPointZ)
{
mOffset = zOffset + 16 + (8 * numberOfPoints);
}
double mMin = ToDouble(record, mOffset, ByteOrder.LittleEndian);
double mMax = ToDouble(record, mOffset + 8, ByteOrder.LittleEndian);
double[] measures = new double[numberOfPoints];
for (int i = 0; i < numberOfPoints; i++)
{
measures[i] = ToDouble(record, mOffset + 16 + (8 * i), ByteOrder.LittleEndian);
}
if (recordShapeType == ShapeType.MultiPointM)
{
_shapes.Add(new MultiPointMShape(recordNumber, metadata, extent, points, mMin, mMax, measures));
}
else
{
double zMin = ToDouble(record, zOffset, ByteOrder.LittleEndian);
double zMax = ToDouble(record, zOffset + 8, ByteOrder.LittleEndian);
double[] zValues = new double[numberOfPoints];
for (int i = 0; i < numberOfPoints; i++)
{
x = points[i].Longitude;
y = points[i].Latitude;
z = ToDouble(record, zOffset + 16 + (8 * i), ByteOrder.LittleEndian);
points[i] = new Cartographic(x, y, z);
}
_shapes.Add(new MultiPointZShape(recordNumber, metadata, extent, points, zMin, zMax, mMin, mMax, measures));
}
}
break;
case ShapeType.Polyline:
case ShapeType.PolylineM:
case ShapeType.PolylineZ:
case ShapeType.Polygon:
case ShapeType.PolygonM:
case ShapeType.PolygonZ:
case ShapeType.MultiPatch:
extent = new CartographicExtent(
ToDouble(record, 4, ByteOrder.LittleEndian),
ToDouble(record, 12, ByteOrder.LittleEndian),
ToDouble(record, 20, ByteOrder.LittleEndian),
ToDouble(record, 28, ByteOrder.LittleEndian));
int numberOfParts = ToInteger(record, 36, ByteOrder.LittleEndian);
numberOfPoints = ToInteger(record, 40, ByteOrder.LittleEndian);
int[] parts = new int[numberOfParts];
Rectangular[] positions = new Rectangular[numberOfPoints];
// These two loops can be optimized if the machine is little endian.
for (int i = 0; i < numberOfParts; ++i)
{
parts[i] = ToInteger(record, 44 + (4 * i), ByteOrder.LittleEndian);
}
int pointOffset = 44 + (4 * numberOfParts);
int partTypeOffset = 44 + (4 * numberOfParts);
if (recordShapeType == ShapeType.MultiPatch)
{
pointOffset = partTypeOffset + (4 * numberOfParts);
}
for (int i = 0; i < numberOfPoints; ++i)
{
positions[i] = new Rectangular(
ToDouble(record, pointOffset + (16 * i), ByteOrder.LittleEndian),
ToDouble(record, pointOffset + (16 * i) + 8, ByteOrder.LittleEndian));
}
if (recordShapeType == ShapeType.Polyline)
{
_shapes.Add(new PolylineShape(recordNumber, metadata, extent, parts, positions));
}
else if (recordShapeType == ShapeType.Polygon)
{
_shapes.Add(new PolygonShape(recordNumber, metadata, extent, parts, positions));
}
else
{
mOffset = pointOffset + (16 * numberOfPoints);
zOffset = pointOffset + (16 * numberOfPoints);
if (recordShapeType == ShapeType.PolylineZ || recordShapeType == ShapeType.PolygonZ || recordShapeType == ShapeType.MultiPatch)
{
mOffset = zOffset + 16 + (8 * numberOfPoints);
}
double mMin = ToDouble(record, mOffset, ByteOrder.LittleEndian);
double mMax = ToDouble(record, mOffset + 8, ByteOrder.LittleEndian);
double[] measures = new double[numberOfPoints];
for (int i = 0; i < numberOfPoints; i++)
{
measures[i] = ToDouble(record, mOffset + 16 + (8 * i), ByteOrder.LittleEndian);
}
if (recordShapeType == ShapeType.PolylineM)
{
_shapes.Add(new PolylineMShape(recordNumber, metadata, extent, parts, positions, mMin, mMax, measures));
}
else if (recordShapeType == ShapeType.PolygonM)
{
_shapes.Add(new PolygonMShape(recordNumber, metadata, extent, parts, positions, mMin, mMax, measures));
}
else
{
double zMin = ToDouble(record, zOffset, ByteOrder.LittleEndian);
double zMax = ToDouble(record, zOffset + 8, ByteOrder.LittleEndian);
double[] zValues = new double[numberOfPoints];
for (int i = 0; i < numberOfPoints; i++)
{
zValues[i] = ToDouble(record, zOffset + 16 + (8 * i), ByteOrder.LittleEndian);
}
if (recordShapeType == ShapeType.PolylineZ)
{
_shapes.Add(new PolylineZShape(recordNumber, metadata, extent, parts, positions, zMin, zMax, zValues, mMin, mMax, measures));
}
else if (recordShapeType == ShapeType.PolygonZ)
{
_shapes.Add(new PolygonZShape(recordNumber, metadata, extent, parts, positions, zMin, zMax, zValues, mMin, mMax, measures));
}
else
{
MultiPatchPartType[] partTypes = new MultiPatchPartType[numberOfParts];
for (int i = 0; i < numberOfParts; i++)
{
partTypes[i] = (MultiPatchPartType)ToInteger(record, partTypeOffset + (4 * i), ByteOrder.LittleEndian);
}
_shapes.Add(new MultiPatchShape(recordNumber, metadata, extent, parts, partTypes, positions, zMin, zMax, zValues, mMin, mMax, measures));
}
}
}
break;
default:
throw new NotImplementedException("The shapefile type is not supported. Only null, point, polyline, and polygon are supported.");
}
}
}
}
public void TestMultipatchConversionWithTriangleStrip()
{
Rectangular[] positions = new Rectangular[] {
new Rectangular(0.0, 0.0),
new Rectangular(0.0, 1.0),
new Rectangular(1.0, 0.0),
new Rectangular(1.0, 1.0),
new Rectangular(2.0, 0.0),
new Rectangular(2.0, 1.0),
new Rectangular(3.0, 0.0)
};
CartographicExtent extent = new CartographicExtent(0.0, 0.0, 3.0, 1.0);
int[] parts = new int[] { 0 };
MultiPatchPartType[] partTypes = new MultiPatchPartType[] { MultiPatchPartType.TriangleStrip };
double[] zValues = new double[] { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0 };
double[] measures = new double[] { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
MultiPatchShape multipatch = new MultiPatchShape(0, m_metadata, extent, parts, partTypes, positions, 0.0, 0.0, zValues, 0.0, 0.0, measures);
MultiPatch patch = new MultiPatch(multipatch, m_document, Color.Blue);
patch.Write();
string result = m_stringWriter.ToString();
Regex trianglePattern = new Regex(m_trianglePattern);
Assert.AreEqual(5, trianglePattern.Matches(result).Count);
}
public void TestMultipatchConversionWithMultipleRings()
{
Rectangular[] positions = new Rectangular[] {
new Rectangular(0.0, 5.0),
new Rectangular(5.0, 10.0),
new Rectangular(10.0, 5.0),
new Rectangular(5.0, 0.0),
new Rectangular(0.0, 5.0),
new Rectangular(2.0, 5.0),
new Rectangular(5.0, 2.0),
new Rectangular(8.0, 5.0),
new Rectangular(5.0, 8.0),
new Rectangular(2.0, 5.0),
};
CartographicExtent extent = new CartographicExtent(0.0, 0.0, 10.0, 10.0);
int[] parts = new int[] { 0, 5 };
MultiPatchPartType[] partTypes = new MultiPatchPartType[] { MultiPatchPartType.Ring, MultiPatchPartType.Ring };
double[] zValues = new double[] { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
double[] measures = new double[] { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
MultiPatchShape multipatch = new MultiPatchShape(0, m_metadata, extent, parts, partTypes, positions, 0.0, 0.0, zValues, 0.0, 0.0, measures);
MultiPatch patch = new MultiPatch(multipatch, m_document, Color.Blue);
patch.Write();
string result = m_stringWriter.ToString();
Regex polygonPattern = new Regex(m_polygonPattern);
Assert.AreEqual(2, polygonPattern.Matches(result).Count);
}
public void TestMultipatchConversionWithInnerAndOuterRings()
{
Rectangular[] positions = new Rectangular[] {
new Rectangular(0.0, 5.0),
new Rectangular(5.0, 10.0),
new Rectangular(10.0, 5.0),
new Rectangular(5.0, 0.0),
new Rectangular(0.0, 5.0),
new Rectangular(2.0, 5.0),
new Rectangular(5.0, 2.0),
new Rectangular(8.0, 5.0),
new Rectangular(5.0, 8.0),
new Rectangular(2.0, 5.0),
};
CartographicExtent extent = new CartographicExtent(0.0, 0.0, 10.0, 10.0);
int[] parts = new int[] { 0, 5 };
MultiPatchPartType[] partTypes = new MultiPatchPartType[] { MultiPatchPartType.OuterRing, MultiPatchPartType.InnerRing} ;
double[] zValues = new double[] { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
double[] measures = new double[] { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 };
MultiPatchShape multipatch = new MultiPatchShape(0, m_metadata, extent, parts, partTypes, positions, 0.0, 0.0, zValues, 0.0, 0.0, measures);
MultiPatch patch = new MultiPatch(multipatch, m_document, Color.Blue);
patch.Write();
string result = m_stringWriter.ToString();
Assert.IsTrue(System.Text.RegularExpressions.Regex.IsMatch(result, m_polygonPattern));
}