public void TestCreateFromPolyLine()
{
PolyLine p = new PolyLine();
Line l1 = new Line();
l1.Points.Add(new Point(0,0));
l1.Points.Add(new Point(5,0));
l1.Points.Add(new Point(5,6));
l1.Points.Add(new Point(0,5));
p.Lines.Add(l1);
Assert.AreEqual("MULTILINESTRING((0 0,5 0,5 6,0 5))", WellKnownText.CreateFromPolyLine(p));
Line l2 = new Line();
l2.Points.Add(new Point(1.1,1.1));
l2.Points.Add(new Point(1.6,1.1));
l2.Points.Add(new Point(1.4,1.4));
l2.Points.Add(new Point(1.6,1.1));
p.Lines.Add(l2);
Assert.AreEqual("MULTILINESTRING((0 0,5 0,5 6,0 5),(1.1 1.1,1.6 1.1,1.4 1.4,1.6 1.1))",
WellKnownText.CreateFromPolyLine(p));
}
static PolyLine GetPolyLine(BinaryReader stream, uint dlen, bool hasMeasure)
{
stream.ReadDouble(); // double xmin =
stream.ReadDouble(); // double ymin =
stream.ReadDouble(); // double xmax =
stream.ReadDouble(); // double ymax =
uint numParts = stream.ReadUInt32();
uint numPoints = stream.ReadUInt32();
uint[] parts = new uint[numParts];
int ii;
for (ii=0; ii < numParts; ii++)
parts[ii] = stream.ReadUInt32();
Line[] lines = new Line[numParts];
for (ii=0; ii < lines.Length; ii++)
lines[ii] = new Line();
//PolyLine po = new PolyLine(xmin, ymin, xmax, ymax);
PolyLine po = new PolyLine();
ii=0;
for (int jj=0; jj < numPoints; jj++)
{
if (ii < parts.Length-1)
if (parts[ii+1] == jj)
{
po.Lines.Add(lines[ii]);
ii++;
}
Point p = new Point(stream.ReadDouble(), stream.ReadDouble());
lines[ii].Points.Add(p);
}
po.Lines.Add(lines[ii]);
if (hasMeasure)
{
stream.ReadDouble(); // Mmin
stream.ReadDouble(); // Mmax
for (int jj=0; jj < numPoints; jj++)
{
stream.ReadDouble(); // Marray
}
}
return po;
}
