public static void Write(string fileName, IEsriShapeCollection shapes, EsriShapeType shapeType, bool overwrite = false)
{
System.IO.MemoryStream shxWriter = new System.IO.MemoryStream();
int offset = 50;
foreach (IEsriShape item in shapes)
{
shxWriter.Write(WriteHeaderToByte(offset, item.ContentLength), 0, 2 * ShapeConstants.IntegerSize);
offset += item.ContentLength + 4;
}
System.IO.MemoryStream writer = new System.IO.MemoryStream();
int fileLength = (int)shxWriter.Length / 2 + 50;
writer.Write(WriteMainHeader(shapes, fileLength, shapeType), 0, 100);
writer.Write(shxWriter.ToArray(), 0, (int)shxWriter.Length);
//var mode = overwrite ? System.IO.FileMode.Create : System.IO.FileMode.CreateNew;
var mode = Shapefile.GetMode(fileName, overwrite);
System.IO.FileStream stream = new System.IO.FileStream(fileName, mode);
writer.WriteTo(stream);
shxWriter.Close();
writer.Close();
stream.Close();
}
public static List <EsriPoint> ExtractPoints(this IEsriShapeCollection shapes)
{
List <EsriPoint> result = new List <EsriPoint>();
foreach (IEsriSimplePoints shape in shapes)
{
result.AddRange(shape.Points);
}
return(result);
}
public static List <SqlGeometry> AsSqlGeometry(this IEsriShapeCollection shapes)
{
var count = shapes.Count();
List <SqlGeometry> result = new List <SqlGeometry>(count);
for (int i = 0; i < count; i++)
{
result.Add(shapes[i].AsSqlGeometry());
}
return(result);
}
internal static byte[] WriteMainHeader(IEsriShapeCollection shapes, int fileLength, EsriShapeType shapeType)
{
System.IO.MemoryStream result = new System.IO.MemoryStream();
result.Write(IRI.Msh.Common.Helpers.StreamHelper.Int32ToBigEndianOrderedBytes(ShapeConstants.FileCode), 0, ShapeConstants.IntegerSize);
result.Write(System.BitConverter.GetBytes(0), 0, ShapeConstants.IntegerSize);
result.Write(System.BitConverter.GetBytes(0), 0, ShapeConstants.IntegerSize);
result.Write(System.BitConverter.GetBytes(0), 0, ShapeConstants.IntegerSize);
result.Write(System.BitConverter.GetBytes(0), 0, ShapeConstants.IntegerSize);
result.Write(System.BitConverter.GetBytes(0), 0, ShapeConstants.IntegerSize);
result.Write(IRI.Msh.Common.Helpers.StreamHelper.Int32ToBigEndianOrderedBytes(fileLength), 0, ShapeConstants.IntegerSize);
result.Write(System.BitConverter.GetBytes(ShapeConstants.Version), 0, ShapeConstants.IntegerSize);
result.Write(System.BitConverter.GetBytes((int)shapeType), 0, ShapeConstants.IntegerSize);
result.Write(System.BitConverter.GetBytes(shapes.MainHeader.XMin), 0, ShapeConstants.DoubleSize);
result.Write(System.BitConverter.GetBytes(shapes.MainHeader.YMin), 0, ShapeConstants.DoubleSize);
result.Write(System.BitConverter.GetBytes(shapes.MainHeader.XMax), 0, ShapeConstants.DoubleSize);
result.Write(System.BitConverter.GetBytes(shapes.MainHeader.YMax), 0, ShapeConstants.DoubleSize);
double tempValue = shapes.MainHeader.ZMin;
if (double.IsNaN(tempValue))
{
tempValue = 0;
}
result.Write(System.BitConverter.GetBytes(tempValue), 0, ShapeConstants.DoubleSize);
tempValue = shapes.MainHeader.ZMax;
if (double.IsNaN(tempValue))
{
tempValue = 0;
}
result.Write(System.BitConverter.GetBytes(tempValue), 0, ShapeConstants.DoubleSize);
tempValue = shapes.MainHeader.MMin;
if (double.IsNaN(tempValue))
{
tempValue = 0;
}
result.Write(System.BitConverter.GetBytes(tempValue), 0, ShapeConstants.DoubleSize);
tempValue = shapes.MainHeader.MMax;
if (double.IsNaN(tempValue))
{
tempValue = 0;
}
result.Write(System.BitConverter.GetBytes(tempValue), 0, ShapeConstants.DoubleSize);
return(result.ToArray());
}
private ShapefileDataSource(string shapefileName,
IEsriShapeCollection geometries,
EsriAttributeDictionary attributes,
Func <SqlGeometry, Dictionary <string, object>, T> map,
Func <T, List <object> > inverseAttributeMap,
SrsBase targetSrs)
{
if (attributes == null)
{
throw new NotImplementedException();
}
this._shapefileName = shapefileName;
_sourceSrs = IRI.Ket.ShapefileFormat.Shapefile.TryGetSrs(shapefileName);
_targetSrs = targetSrs;
Func <Point, Point> transformFunc = null;
if (targetSrs != null)
{
transformFunc = p => p.Project(_sourceSrs, targetSrs);
}
//string title = System.IO.Path.GetFileNameWithoutExtension(shapefileName);
this.Extent = geometries.MainHeader.MinimumBoundingBox;
if (transformFunc != null)
{
this.Extent = this.Extent.Transform(p => transformFunc(p));
}
// 1400.02.03-comment
//this._fields = new ObjectToDfbFields<T>() { ExtractAttributesFunc = inverseAttributeMap, Fields = attributes.Fields };
// 1400.02.19
this._fields = new List <ObjectToDbfTypeMap <T> >();
for (int i = 0; i < attributes.Fields.Count; i++)
{
this._fields.Add(new ObjectToDbfTypeMap <T>(attributes.Fields[i], t => inverseAttributeMap(t)[i]));
}
if (geometries?.Count != attributes.Attributes?.Count)
{
throw new NotImplementedException();
}
this._features = new List <T>();
for (int i = 0; i < geometries.Count; i++)
{
SqlGeometry geometry = null;
if (transformFunc == null)
{
geometry = geometries[i].AsSqlGeometry().MakeValid();
}
else
{
geometry = geometries[i].AsSqlGeometry().MakeValid().Transform(p => transformFunc(p), targetSrs.Srid);//targetSrs should not be null in this case
}
var feature = map(geometry, attributes.Attributes[i]);
feature.Id = GetNewId();
this._idFunc = id => this._features.Single(f => f.Id == id);
this._features.Add(feature);
}
}
internal static byte[] WriteMainHeader(IEsriShapeCollection shapes, int fileLength, EsriShapeType shapeType)
{
return(ShpWriter.WriteMainHeader(shapes, fileLength, shapeType));
//System.IO.MemoryStream result = new System.IO.MemoryStream();
//result.Write(IRI.Ket.IO.Binary.Int32ToBigEndianOrderedBytes(ShapeConstants.FileCode), 0, ShapeConstants.IntegerSize);
//result.Write(System.BitConverter.GetBytes(0), 0, ShapeConstants.IntegerSize);
//result.Write(System.BitConverter.GetBytes(0), 0, ShapeConstants.IntegerSize);
//result.Write(System.BitConverter.GetBytes(0), 0, ShapeConstants.IntegerSize);
//result.Write(System.BitConverter.GetBytes(0), 0, ShapeConstants.IntegerSize);
//result.Write(System.BitConverter.GetBytes(0), 0, ShapeConstants.IntegerSize);
//result.Write(IRI.Ket.IO.Binary.Int32ToBigEndianOrderedBytes(fileLength), 0, ShapeConstants.IntegerSize);
//result.Write(System.BitConverter.GetBytes(ShapeConstants.Version), 0, ShapeConstants.IntegerSize);
//result.Write(System.BitConverter.GetBytes((int)shapeType), 0, ShapeConstants.IntegerSize);
//result.Write(System.BitConverter.GetBytes(MapStatistics.GetMinX(shapes)), 0, ShapeConstants.DoubleSize);
//result.Write(System.BitConverter.GetBytes(MapStatistics.GetMinY(shapes)), 0, ShapeConstants.DoubleSize);
//result.Write(System.BitConverter.GetBytes(MapStatistics.GetMaxX(shapes)), 0, ShapeConstants.DoubleSize);
//result.Write(System.BitConverter.GetBytes(MapStatistics.GetMaxY(shapes)), 0, ShapeConstants.DoubleSize);
//double tempValue = MapStatistics.GetMinZ(shapes);
//if (double.IsNaN(tempValue)) { tempValue = 0; }
//result.Write(System.BitConverter.GetBytes(tempValue), 0, ShapeConstants.DoubleSize);
//tempValue = MapStatistics.GetMaxZ(shapes);
//if (double.IsNaN(tempValue)) { tempValue = 0; }
//result.Write(System.BitConverter.GetBytes(tempValue), 0, ShapeConstants.DoubleSize);
//tempValue = MapStatistics.GetMinM(shapes);
//if (double.IsNaN(tempValue)) { tempValue = 0; }
//result.Write(System.BitConverter.GetBytes(tempValue), 0, ShapeConstants.DoubleSize);
//tempValue = MapStatistics.GetMaxM(shapes);
//if (double.IsNaN(tempValue)) { tempValue = 0; }
//result.Write(System.BitConverter.GetBytes(tempValue), 0, ShapeConstants.DoubleSize);
//return result.ToArray();
}
