public override string AsWKT()
{ // "LINESTRING (10 20, 30 40, 50 60)"
// "MULTILINESTRING ((10 10, 20 20, 10 40), (40 40, 30 30, 40 20, 30 10), (40 40, 30 30, 40 20, 30 10))"
// "POLYGON ((10 10, 20 20, 10 40), (40 40, 30 30, 40 20, 30 10), (40 40, 30 30, 40 20, 30 10))"
// "MULTIPOLYGON (((10 10, 20 20, 10 40), (40 40, 30 30, 40 20, 30 10), (40 40, 30 30, 40 20, 30 10)))"
int count = this.Polygons.Count;
if (count < 1)
{
return(null);
}
MG_Polygon p = (MG_Polygon)this.Polygons[0];
string front = "{0} ({1}";
front = String.Format(front, this.Type.ToString(), p.AsWKT_Reduced());
string m = ", {0}";
string mid = "";
for (int i = 1; i < count; i++)
{
MG_Polygon pp = (MG_Polygon)this.Polygons[i];
mid += String.Format(m, pp.AsWKT_Reduced());
}
string end = ")";
return(front + mid + end);
}
private void testGeometry()
{
MG_Point p = new MG_Point(100, 200);
string type = p.Type.ToString();
string wkt = p.AsWKT();
string wkt_reduced = p.AsWKT_Reduced();
byte[] wkb = p.AsWKB();
MG_MultiPoint mp = new MG_MultiPoint();
for (int i = 0; i < 10; i++)
{
MG_Point pp = new MG_Point(i, i);
mp.Add(pp);
}
type = mp.Type.ToString();
wkt = mp.AsWKT();
wkt_reduced = mp.AsWKT_Reduced();
wkb = mp.AsWKB();
MG_LineString l = new MG_LineString();
for (int i = 0; i < 10; i++)
{
MG_Point pp = new MG_Point(i, i);
l.Add(pp);
}
type = l.Type.ToString();
wkt = l.AsWKT();
wkt_reduced = l.AsWKT_Reduced();
wkb = l.AsWKB();
MG_MultiLineString ml = new MG_MultiLineString();
for (int i = 0; i < 5; i++)
{
MG_LineString l2 = new MG_LineString();
for (int j = 0; j < 3; j++)
{
MG_Point pp = new MG_Point(i, j);
l2.Add(pp);
}
ml.Add(l2);
}
type = ml.Type.ToString();
wkt = ml.AsWKT();
wkt_reduced = ml.AsWKT_Reduced();
wkb = ml.AsWKB();
MG_Polygon pg = new MG_Polygon();
for (int i = 0; i < 5; i++)
{
MG_LineString l2 = new MG_LineString();
for (int j = 0; j < 3; j++)
{
MG_Point pp = new MG_Point(i, j);
l2.Add(pp);
}
pg.Add(l2);
}
type = pg.Type.ToString();
wkt = pg.AsWKT();
wkt_reduced = pg.AsWKT_Reduced();
wkb = pg.AsWKB();
}
