private IntPtr WriteShpGeometryField(int iShape, Point point)
{
var xArray = new[] { point.Coordinate.X };
var yArray = new[] { point.Coordinate.Y };
return(ShapeLib.SHPCreateObject(ShapeType.Point, iShape, 0, null, null, xArray.Length, xArray, yArray, null, null));
}
private IntPtr WriteShpGeometryField(int iShape, MultiPoint multiPoint)
{
var nvertices = 0;
var apartStart = new List <int>();
var vX = new List <double>();
var vY = new List <double>();
apartStart.Add(nvertices);
for (var i = 0; i < multiPoint.Geometries.Length; i++)
{
var point = multiPoint.Geometries[i];
var coordinate = point.Coordinate;
vX.Add(coordinate.X);
vY.Add(coordinate.Y);
nvertices += 1;
if (i + 1 != multiPoint.Geometries.Length)
{
apartStart.Add(nvertices);
}
}
return(ShapeLib.SHPCreateObject(ShapeType.MultiPoint, iShape, apartStart.Count, apartStart.ToArray(), null, nvertices, vX.ToArray(), vY.ToArray(), null, null));
//var xArray = multiPoint.Geometries.Select(x => x.Coordinate.X).ToArray();
//var yArray = multiPoint.Geometries.Select(x => x.Coordinate.Y).ToArray();
//return ShapeLib.SHPCreateObject(ShapeType.Point, iShape, 0, null, null, xArray.Length, xArray, yArray, null, null);
}
private IntPtr WriteShpGeometryField(int iShape, Polygon polygon)
{
var exteriorRingVertices = polygon.OuterRing.Coordinates.ToList();
exteriorRingVertices.Add(exteriorRingVertices.First());
if (polygon.InnerRings.Count > 0)
{
var nvertices = 0;
var apartStart = new List <int>();
var apartType = new List <ShapeLib.PartType>();
var vX = new List <double>();
var vY = new List <double>();
apartStart.Add(nvertices);
apartType.Add(ShapeLib.PartType.Ring);
nvertices += exteriorRingVertices.Count;
for (var v = 0; v < exteriorRingVertices.Count; v++)
{
vX.Add(exteriorRingVertices[v].X);
vY.Add(exteriorRingVertices[v].Y);
}
apartStart.Add(nvertices);
for (var j = 0; j < polygon.InnerRings.Count; j++)
{
var interiorRingVertices = polygon.InnerRings[j].Coordinates.ToList();
interiorRingVertices.Add(interiorRingVertices.First());
for (var v = 0; v < interiorRingVertices.Count; v++)
{
vX.Add(interiorRingVertices[v].X);
vY.Add(interiorRingVertices[v].Y);
}
nvertices += interiorRingVertices.Count;
if (j + 1 != polygon.InnerRings.Count)
{
apartStart.Add(nvertices);
}
apartType.Add(ShapeLib.PartType.Ring);
}
return(ShapeLib.SHPCreateObject(ShapeType.Polygon, iShape, apartStart.Count, apartStart.ToArray(), apartType.ToArray(), nvertices, vX.ToArray(), vY.ToArray(), null, null));
}
else
{
var vX = new List <double>();
var vY = new List <double>();
for (var v = 0; v < exteriorRingVertices.Count; v++)
{
vX.Add(exteriorRingVertices[v].X);
vY.Add(exteriorRingVertices[v].Y);
}
return(ShapeLib.SHPCreateSimpleObject(ShapeType.Polygon, exteriorRingVertices.Count, vX.ToArray(), vY.ToArray(), null));
}
}
private IntPtr WriteShpGeometryField(int iShape, MultiLineString multiLineString)
{
if (multiLineString.Geometries.Length == 1)
{
return(WriteShpGeometryField(iShape, multiLineString.Geometries[0]));
}
var nvertices = 0;
var apartStart = new List <int>();
var vX = new List <double>();
var vY = new List <double>();
apartStart.Add(nvertices);
for (var i = 0; i < multiLineString.Geometries.Length; i++)
{
var lineString = multiLineString.Geometries[i];
var isClosed = lineString.CoordinateList.Coordinates.First().Equals(lineString.CoordinateList.Coordinates.Last());
var coordinates = lineString.CoordinateList.Coordinates.ToList();
if (isClosed)
{
coordinates.Add(coordinates.First());
}
else
{
coordinates.Add(coordinates.Last());
}
foreach (var coordinate in coordinates)
{
vX.Add(coordinate.X);
vY.Add(coordinate.Y);
}
nvertices += coordinates.Count;
if (i + 1 != multiLineString.Geometries.Length)
{
apartStart.Add(nvertices);
}
}
return(ShapeLib.SHPCreateObject(ShapeType.PolyLine, iShape, apartStart.Count, apartStart.ToArray(), null, nvertices, vX.ToArray(), vY.ToArray(), null, null));
}
private IntPtr WriteShpGeometryField(int iShape, LineString lineString)
{
var isClosed = lineString.CoordinateList.Coordinates.First().Equals(lineString.CoordinateList.Coordinates.Last());
var coordinates = lineString.CoordinateList.Coordinates.ToList();
if (isClosed)
{
coordinates.Add(coordinates.First());
}
else
{
coordinates.Add(coordinates.Last());
}
var xArray = coordinates.Select(x => x.X).ToArray();
var yArray = coordinates.Select(x => x.Y).ToArray();
return(ShapeLib.SHPCreateObject(ShapeType.PolyLine, iShape, 0, null, null, xArray.Length, xArray, yArray, null, null));
}
private IntPtr WriteShpGeometryField(int iShape, MultiPolygon multiPolygon)
{
if (multiPolygon.Geometries.Length == 1)
{
return(WriteShpGeometryField(iShape, multiPolygon.Geometries[0]));
}
var nvertices = 0;
var apartStart = new List <int>();
var apartType = new List <ShapeLib.PartType>();
var vX = new List <double>();
var vY = new List <double>();
apartStart.Add(nvertices);
for (var i = 0; i < multiPolygon.Geometries.Length; i++)
{
var polygon = multiPolygon.Geometries[i];
var vertices = polygon.OuterRing.Coordinates;
vX.AddRange(vertices.Select(x => x.X));
vY.AddRange(vertices.Select(x => x.Y));
vX.Add(vertices.First().X);
vY.Add(vertices.First().Y);
nvertices += vertices.Count;
if (i + 1 != multiPolygon.Geometries.Length)
{
apartStart.Add(nvertices);
}
apartType.Add(ShapeLib.PartType.Ring);
}
return(ShapeLib.SHPCreateObject(ShapeType.Polygon, iShape, apartStart.Count, apartStart.ToArray(), apartType.ToArray(), nvertices, vX.ToArray(), vY.ToArray(), null, null));
}
