private static void WriteMultiPolygon(ShapeData polys, StringBuilder sb, bool includeZ, bool includeM, CoordinateOrder order)
{
sb.Append("MULTIPOLYGON ");
if (polys.Shapes.Length < 2)
{
sb.Append("EMPTY");
}
else
{
sb.Append('(');
for (int i = 1; i < polys.Shapes.Length; i++)
{
if (i > 1)
{
sb.Append(", ");
}
var poly = polys.GetGeometryN(i);
if (poly.IsEmpty)
{
sb.Append("EMPTY");
}
else
{
sb.Append('(');
WritePolygonContents(poly, sb, includeZ, includeM, order);
sb.Append(')');
}
}
sb.Append(')');
}
}
private static void WriteMultiLineString(ShapeData lines, StringBuilder sb, bool includeZ, bool includeM, CoordinateOrder order)
{
sb.Append("MULTILINESTRING ");
if (lines.Shapes.Length < 2)
{
sb.Append("EMPTY");
}
else
{
sb.Append('(');
for (int i = 1; i < lines.Shapes.Length; i++)
{
if (i > 1)
{
sb.Append(", ");
}
var line = lines.GetGeometryN(i);
if (line.IsEmpty)
{
sb.Append("EMPTY");
}
else
{
sb.Append('(');
WriteCoordinateCollection(GetVertices(line), sb, includeZ, includeM, order);
sb.Append(')');
}
}
sb.Append(')');
}
}
private static void WriteMultiPoint(ShapeData points, StringBuilder sb, bool includeZ, bool includeM, CoordinateOrder order)
{
sb.Append("MULTIPOINT ");
if (points.Shapes.Length < 2)
{
sb.Append("EMPTY");
}
else
{
sb.Append('(');
for (int i = 1; i < points.Shapes.Length; i++)
{
if (i > 1)
{
sb.Append(", ");
}
var p = points.GetGeometryN(i);
if (p.IsEmpty)
{
sb.Append("EMPTY");
}
else
{
sb.Append('(');
WriteCoordinate(p.GetPointN(1), sb, includeZ, includeM, order);
sb.Append(')');
}
}
sb.Append(')');
}
}
private static void WriteGeometryCollection(ShapeData geoms, StringBuilder sb, bool includeZ, bool includeM, CoordinateOrder order)
{
for (int i = 0; i < geoms.NumGeometries; i++)
{
if (i > 0)
{
sb.Append(",");
}
WriteGeometry(geoms.GetGeometryN(i + 1), sb, includeZ, includeM, order);
}
}
private static void WriteMultiPolygon(ShapeData polys, StringBuilder sb, bool includeZ, bool includeM, CoordinateOrder order)
{
sb.Append('(');
for (int i = 0; i < polys.NumGeometries; i++)
{
if (i > 0)
{
sb.Append("),(");
}
WritePolygonContents(polys.GetGeometryN(i + 1), sb, includeZ, includeM, order);
}
sb.Append(')');
}
private static void WriteGeometryCollection(ShapeData geoms, StringBuilder sb, bool includeZ, bool includeM, CoordinateOrder order)
{
sb.Append("GEOMETRYCOLLECTION ");
if (geoms.Shapes.Length < 2)
{
sb.Append("EMPTY");
}
else
{
sb.Append('(');
for (int i = 1; i < geoms.Shapes.Length; i++)
{
if (i > 1)
{
sb.Append(", ");
}
var geom = geoms.GetGeometryN(i);
WriteGeometry(geom, sb, includeZ, includeM, order);
i += geom.Shapes.Length - 1;
}
sb.Append(')');
}
}