private void generateShapeInfo()
{
if (!this.hShpIsOpen)
{
hShp = ShapeLib.SHPOpenW(this.filePath, this.access);
}
if (hShp.Equals(IntPtr.Zero))
{
MessageBox.Show("Oops - hShp = 0");
}
else
{
// get shape info and verify shapes were created correctly
double[] minB = new double[4];
double[] maxB = new double[4];
int nEntities = 0;
ShapeLib.ShapeType shapeType = ShapeLib.ShapeType.PolyLine;
ShapeLib.SHPGetInfo(hShp, ref nEntities, ref shapeType, minB, maxB);
this.numberOfShapes = nEntities;
this.shapeType = shapeType;
this.minB = minB;
this.maxB = maxB;
ShapeLib.SHPClose(hShp);
this.hShpIsOpen = false;
this.isShapeInfoRead = true;
}
}
public ShapeLayerClass(string string_1, string string_2, ICoLayer icoLayer_1)
{
this.method_0(string_1);
this.list_0.Clear();
this.string_0 = string_1.ToUpper();
if (this.string_0.EndsWith(".SHP"))
{
this.string_0 = this.string_0.Substring(0, this.string_0.Length - 4);
}
if (string_2.ToLower().Trim() == "point")
{
this.shapeType_0 = ShapeLib.ShapeType.Point;
}
if (string_2.ToLower().Trim() == "line")
{
this.shapeType_0 = ShapeLib.ShapeType.PolyLine;
}
if (string_2.ToLower().Trim() == "polygon")
{
this.shapeType_0 = ShapeLib.ShapeType.Polygon;
}
if (string_2.ToLower().Trim() == "text")
{
this.shapeType_0 = ShapeLib.ShapeType.Point;
}
this.intptr_0 = ShapeLib.SHPCreate(this.string_0, this.shapeType_0);
if (!this.intptr_0.Equals(IntPtr.Zero))
{
this.intptr_1 = ShapeLib.DBFCreate(this.string_0);
if (!this.intptr_1.Equals(IntPtr.Zero))
{
this.method_1(icoLayer_1);
}
}
}
/// <summary>
/// Returns an OraShape object
/// </summary>
/// <param name="geom_info"></param>
/// <param name="shape_type"></param>
/// <param name="pkVal"></param>
/// <returns></returns>
public OraShape getOraShape(GeoInfo geom_info, ShapeLib.ShapeType shape_type, Int32 pkVal)
{
//Console.Write("Getting coordinates....\n");
Dictionary <string, OraShape> allShapes = new Dictionary <string, OraShape>();
OraShape shp = new OraShape();
bool isM = false;
bool isZ = false;
List <double[]> coordLists = new List <double[]>();
List <double> XList = new List <double>();
List <double> YList = new List <double>();
List <double> WList = new List <double>();
bool is3D = false;
List <int> listParts = new List <int>();
string sqlstring = string.Empty;
if (geom_info.Geo.Sdo_Gtype.ToString().StartsWith("33"))
{
isM = true;
}
if (geom_info.Geo.Sdo_Gtype.ToString().StartsWith("3") && !geom_info.Geo.Sdo_Gtype.ToString().StartsWith("33"))
{
isZ = true;
}
try
{
string prevID = string.Empty;
shp = new OraShape();
shp.ShapePK = pkVal.ToString();
XList.Clear();
YList.Clear();
WList.Clear();
shp.XList = getCoordArrayFromGeom(geom_info, 0).ToArray();
shp.YList = getCoordArrayFromGeom(geom_info, 1).ToArray();
if (isM)
{
shp.MList = getCoordArrayFromGeom(geom_info, 2).ToArray();
}
if (isZ)
{
shp.ZList = getCoordArrayFromGeom(geom_info, 2).ToArray();
}
shp.nVertices = shp.XList.Length;
}
catch (Exception ex)
{
string s = ex.Message;
}
finally
{
}
return(shp);
}
public OraShape CreatePointShape(GeoInfo geom_info, ShapeLib.ShapeType shape_type, string pkVal)
{
OraShape shp = new OraShape();
shp.ShapePK = pkVal.ToString();
double[] x = new double[1]; x[0] = Convert.ToDouble(geom_info.Geo.Point.X);
double[] y = new double[1]; y[0] = Convert.ToDouble(geom_info.Geo.Point.X);
shp.XList = x;
shp.YList = y;
if (shape_type == ShapeLib.ShapeType.PointM)
{
double[] m = new double[1]; m[0] = Convert.ToDouble(geom_info.Geo.Point.M);
shp.MList = m;
}
shp.nParts = 1;
shp.nVertices = 1;
shp.PartType = null;
shp.ShapeType = shape_type;
int[] p = new int[1];
shp.PartStarts = p;
return(shp);
}
public void Dispose()
{
if (selectedTransportQuadtreeItem != null)
{
selectedTransportQuadtreeItem.Delete();
ShapeLib.ShapeType shapeType = selectedTransportQuadtreeItem.Parent.Type;
if (shapeType == ShapeLib.ShapeType.MultiPoint)
{
layerManager.TransportPointLayer.removePoint(selectedTransportQuadtreeItem.Parent);
}
else if (shapeType == ShapeLib.ShapeType.PolyLine)
{
layerManager.TransportPolylineLayer.removePolyline(selectedTransportQuadtreeItem.Parent);
}
else if (shapeType == ShapeLib.ShapeType.PolyLine)
{
layerManager.TransportPolygonLayer.removePolygon(selectedTransportQuadtreeItem.Parent);
}
selectedTransportQuadtreeItem = null;
}
}
public static void ConvertToOra(string[] args)
{
string pkValue = string.Empty;
if (args == null || args.Length < 4)
{
Console.Write("\nUsage: shape2ora <username/password>@dbalias> <spatial_table_name> <shape_col> <shapefile> <srid> \n\nPress any key to exit");
Console.ReadLine();
return;
}
string connectionstring = Utils.ParseConnectionString(args[0].ToString());
string spatial_table = args[1].ToString();
string shape_col = args[2].ToString();
string inShapeFile = args[3].ToString();
string strSRID = "NULL";
if (args.Length == 5)
{
strSRID = args[4].ToString();
}
if (inShapeFile.ToUpper().EndsWith(".SHP"))
{
inShapeFile = inShapeFile.Substring(0, inShapeFile.Length - 4);
}
IntPtr hShp = ShapeLib.SHPOpen(inShapeFile, "rb");
IntPtr hDbf = ShapeLib.DBFOpen(inShapeFile, "rb");
if (hDbf.Equals(IntPtr.Zero))
{
Console.WriteLine("\nCould not open {0}.dbf\nProbable cause: You do not have permissions or filename is incorrect\n\nPress any key to exit", inShapeFile);
Console.ReadLine();
return;
}
OracleConnection oracon = new OracleConnection(connectionstring);
oracon.Open();
try
{
//Check if table exists
bool tabExists = TabExists(oracon, spatial_table);
//Get dbf info
int recCount = ShapeLib.DBFGetRecordCount(hDbf);
// get shape info
double[] minXY = new double[4];
double[] maxXY = new double[4];
int nEntities = 0;
ShapeLib.ShapeType shapeType = 0;
ShapeLib.SHPGetInfo(hShp, ref nEntities, ref shapeType, minXY, maxXY);
string sqlCreateTab = @"CREATE TABLE " + spatial_table.ToUpper() + "(";
bool flag = true;
for (int i = 0; i < nEntities; i++)
{
if (flag)
{
sqlCreateTab = sqlCreateTab + GetShapeColumnNames(ref hDbf);
sqlCreateTab = sqlCreateTab + shape_col + "\tMDSYS.SDO_GEOMETRY\n)";
if (!tabExists)
{
//EXECUTE table creation sql
ExecuteStatement(oracon, sqlCreateTab);
}
flag = false;
}
#region Deal With Geometry
IntPtr pshpObj = ShapeLib.SHPReadObject(hShp, i);
// Get the SHPObject associated with our IntPtr pshpObj
// We create a new SHPObject in managed code, then use Marshal.PtrToStructure
// to copy the unmanaged memory pointed to by pshpObj into our managed copy.
ShapeLib.SHPObject shpObj = new ShapeLib.SHPObject();
Marshal.PtrToStructure(pshpObj, shpObj);
//Number of parts
int nParts = shpObj.nParts;
//Part starts List
int[] partStarts = new int[nParts];
//Coordinate arrays
double[] xCoord = new double[shpObj.nVertices];
double[] yCoord = new double[shpObj.nVertices];
double[] zCoord = new double[shpObj.nVertices];
double[] MCoord = new double[shpObj.nVertices];
// Use Marshal.Copy to copy the memory pointed
// to by shpObj.padfX and shpObj.padfX (each an IntPtr) to an actual array.
Marshal.Copy(shpObj.padfX, xCoord, 0, shpObj.nVertices);
Marshal.Copy(shpObj.padfY, yCoord, 0, shpObj.nVertices);
if (shapeType == ShapeLib.ShapeType.MultiPointM || shapeType == ShapeLib.ShapeType.PointM || shapeType == ShapeLib.ShapeType.PolygonM || shapeType == ShapeLib.ShapeType.PolyLineM)
{
Marshal.Copy(shpObj.padfM, zCoord, 0, shpObj.nVertices);
}
if (shapeType == ShapeLib.ShapeType.MultiPointZ || shapeType == ShapeLib.ShapeType.PointZ || shapeType == ShapeLib.ShapeType.PolygonZ || shapeType == ShapeLib.ShapeType.PolyLineZ)
{
Marshal.Copy(shpObj.padfZ, zCoord, 0, shpObj.nVertices);
}
if (nParts > 0)
{
Marshal.Copy(shpObj.paPartStart, partStarts, 0, nParts);
}
string sqlInsertShape = " MDSYS.SDO_GEOMETRY(";
string gType = GetGTYPE(shapeType, nParts);
string elem_info = "NULL";
string sdo_point = "NULL";
if (shapeType == ShapeLib.ShapeType.Point || shapeType == ShapeLib.ShapeType.PointM || shapeType == ShapeLib.ShapeType.PointZ)
{
sdo_point = "MDSYS.SDO_POINT_TYPE(" + xCoord[0].ToString() + "," + yCoord[0].ToString();
if (shapeType == ShapeLib.ShapeType.PointZ)
{
sdo_point = sdo_point + "," + zCoord[0].ToString();
}
else if (shapeType == ShapeLib.ShapeType.PointM)
{
sdo_point = sdo_point + "," + MCoord[0].ToString();
}
else
{
sdo_point = sdo_point + ", NULL";
}
sdo_point = sdo_point + ")";
}
else
{
elem_info = GetElemInfoString(shapeType, nParts, partStarts, shpObj.nVertices);
}
string vert_String = GetVerticesString(shapeType, xCoord, yCoord, zCoord, MCoord);
//Construct the geometry statement
sqlInsertShape = sqlInsertShape + gType + "," + strSRID + "," + sdo_point + "," + elem_info + "," + vert_String + ")";
# endregion
#region Deal with Attributes
string[] attrs = InsAttrSQL(ref hDbf, i);
string insStatement = "INSERT INTO " + spatial_table.ToUpper() + "\n"
+ "(" + attrs[0] + "," + shape_col + ")\n" +
" VALUES (" + attrs[1] + "," + sqlInsertShape + ")";
//Do the insert
ExecuteStatement(oracon, insStatement);
#endregion
}
//Create user_sdo_geom_metadata and spatial index for a new table
if (!tabExists)
{
string usgm = GetUSGMString(shapeType, spatial_table, shape_col, minXY, maxXY);
ExecuteStatement(oracon, usgm);
string spidx = GetSPIDXString(spatial_table, shape_col);
ExecuteStatement(oracon, spidx);
}
// free resources
ShapeLib.SHPClose(hShp);
ShapeLib.DBFClose(hDbf);
Console.Write("Done.\nPress any key to exit");
Console.ReadLine();
}
public static void CreateShapeFile(string[] args)
{
string pkValue = string.Empty;
bool pkValIsString = false;
bool isSdoPoint = false;
if (args == null || args.Length < 5)
{
Console.Write("\nUsage: sdo2shp <username/password>@dbalias> <spatial_table_name> <PK_col> <shape_col> <shapefile> [\"optional_where_clause\"]\n\nPress any key to exit");
Console.ReadLine();
return;
}
System.Reflection.Assembly assembly = System.Reflection.Assembly.GetExecutingAssembly();
string version = assembly.GetName().Version.ToString();
Console.Write("\nORA2SHP Oracle SDO to Shapefile Utility. Version: " + version + "\n");
Console.Write("====================================================================\n");
string connectionstring = Utils.ParseConnectionString(args[0].ToString());
string where_clause = string.Empty;
try
{
where_clause = args[5].ToString().Trim('"');
}
catch (Exception)
{ }
if (where_clause != string.Empty)
{
if (!where_clause.ToUpper().StartsWith("WHERE"))
{
where_clause = " where " + where_clause;
}
}
string outShpFile = args[4].ToString();
string tab_name = args[1].ToString();
string pk_column = args[2].ToString();
string sdo_column = args[3].ToString();
if (outShpFile.ToUpper().EndsWith(".SHP"))
{
outShpFile = outShpFile.Substring(0, outShpFile.Length - 4);
}
OracleConnection oracon = new OracleConnection(connectionstring);
List <GeoInfo> lShpInfo = new List <GeoInfo>();
try
{
oracon.Open();
string selFirstShp = string.Empty;
if (where_clause == string.Empty)
{
selFirstShp = "select " + args[2].ToString() + "," + args[3].ToString() + " from " + args[1] + " where rownum = 1";
}
else
{
selFirstShp = "select " + pk_column + "," + sdo_column + " from " + tab_name + " " + where_clause + " and rownum = 1";
}
try
{
lShpInfo = getGeomInfo(oracon, selFirstShp, sdo_column);
if (lShpInfo.Count == 0)
{
Console.WriteLine("\nNo rows found it table {0}", args[1]);
Console.ReadLine();
oracon.Close(); oracon.Dispose();
return;
}
}
catch (Exception ex)
{
Console.WriteLine("\nORA2SHP ERROR:\n" + ex.Message + "\n" + ex.StackTrace);
}
finally
{
}
//Check if its an SDO point geometry
GeoInfo geomInfo = lShpInfo[0];
isSdoPoint = isSDOPointType(geomInfo);
//Initialize shape type
ShapeLib.ShapeType shpType = ShapeLib.ShapeType.Point;
try
{
shpType = GetShapeType(geomInfo);
}
catch (Exception ex)
{
Console.Write(ex.Message);
Console.ReadLine();
return;
}
IntPtr hShp = ShapeLib.SHPCreate(outShpFile, shpType);
if (hShp.Equals(IntPtr.Zero))
{
Console.WriteLine("\nCould not create {0}.shp\nProbable cause: You do not have permissions or file is in use by another process\n\nPress any key to exit", outShpFile);
Console.ReadLine();
return;
}
string sqlselect = string.Empty;
if (where_clause == string.Empty)
{
sqlselect = @"SELECT " + GetColumnNames(oracon, tab_name) + ", " + sdo_column + " from " + tab_name;
}
else
{
sqlselect = @"SELECT " + GetColumnNames(oracon, tab_name) + ", " + sdo_column + " from " + tab_name + " " + where_clause;
}
OracleCommand command1 = oracon.CreateCommand();
command1.CommandText = sqlselect;
OracleDataReader dr = command1.ExecuteReader();
int iShape = 0;
IntPtr hDbf = IntPtr.Zero;
DataTable dt = new DataTable();
System.Collections.Hashtable ht = new System.Collections.Hashtable();
//#if (DEBUG==true)
// Console.WriteLine("Before Loop Elapsed Time: " + (DateTime.Now - tstart).ToString());
tstart = DateTime.Now;
//#endif
#region create dbf
// create dbase file
hDbf = ShapeLib.DBFCreate(outShpFile);
if (!hDbf.Equals(IntPtr.Zero))
{
dt = dr.GetSchemaTable(); //Get table metadata
dt.Columns.Add("dBaseName");
}
int ordinal1 = 0;
foreach (DataRow row in dt.Rows)
{
string name = row["ColumnName"].ToString().ToUpper();
if (name.Length > 10) //Truncate column name to 10 chars
{
name = name.Substring(0, 10);
}
int i = 0;
while (ht.ContainsKey(name)) //Check if column name exists after truncation
{
string iVal = (i++).ToString();
if (name.Length + iVal.Length > 10)
{
name = name.Substring(0, 10 - iVal.Length) + iVal;
}
else
{
name = name + iVal;
}
}
ht.Add(name, ordinal1++);
row["dBaseName"] = name;
string type = row["DataType"].ToString();
switch (type)
{
case "System.Int32":
case "System.Int16":
ShapeLib.DBFAddField(hDbf, name, ShapeLib.DBFFieldType.FTInteger, 16, 0);
break;
case "System.String":
int len = Math.Min(255, int.Parse(row["ColumnSize"].ToString()));
ShapeLib.DBFAddField(hDbf, name, ShapeLib.DBFFieldType.FTString, len, 0);
if (name == args[1].ToString())
{
pkValIsString = true;
}
break;
case "System.Boolean":
ShapeLib.DBFAddField(hDbf, name, ShapeLib.DBFFieldType.FTLogical, 5, 0);
break;
case "System.Double":
case "System.Float":
case "System.Decimal":
int prec = int.Parse(row["NumericPrecision"].ToString());
int scale = int.Parse(row["NumericScale"].ToString());
ShapeLib.DBFAddField(hDbf, name, ShapeLib.DBFFieldType.FTDouble, prec, scale);
break;
case "System.DateTime":
ShapeLib.DBFAddField(hDbf, name, ShapeLib.DBFFieldType.FTDate, 8, 0);
break;
default:
ht.Remove(name);
row["dBaseName"] = null;
ordinal1--;
break;
}
}
#endregion create dbf
ShapeCreator sc = new ShapeCreator();
IntPtr pShp = new IntPtr();
while (dr.Read())
{
//Console.Write("Processing record ..." + iShape.ToString() +".");
pkValue = dr[args[2]].ToString();
OraShape shp = new OraShape();
ShapePartInfo shpInfo = new ShapePartInfo();
try
{
GeoInfo geoInfo = new GeoInfo();
geoInfo.Geo = (SdoGeometry)dr[sdo_column];
shp = sc.getOraShape(geoInfo, shpType, Convert.ToInt32(dr[pk_column]));
}
catch (Exception)
{
continue;
}
if (!isSdoPoint)
{
try
{
shpInfo = sc.getShapePartInfo(geomInfo);
}
catch (Exception)
{
continue;
}
shp.nParts = shpInfo.nParts;
shp.PartType = null;
shp.PartStarts = shpInfo.PartStarts;
if (shp.MList == null || shp.MList.Length == 0)
{
if (shp.ZList == null || shp.ZList.Length == 0)
{
pShp = ShapeLib.SHPCreateObject(shpType, -1, shp.nParts, shp.PartStarts, null, shp.nVertices, shp.XList, shp.YList, null, null);
}
else
{
pShp = ShapeLib.SHPCreateObject(shpType, -1, shp.nParts, shp.PartStarts, null, shp.nVertices, shp.XList, shp.YList, shp.ZList, null);
}
}
else
{
pShp = ShapeLib.SHPCreateObject(shpType, -1, shp.nParts, shp.PartStarts, null, shp.nVertices, shp.XList, shp.YList, null, shp.MList);
}
}
else
{
shp = sc.CreatePointShape(geomInfo, shpType, pkValue);
if (shpType == ShapeLib.ShapeType.PointM)
{
pShp = ShapeLib.SHPCreateObject(shpType, -1, 0, null, null, 1, shp.XList, shp.YList, null, shp.MList);
}
else if (shpType == ShapeLib.ShapeType.PointZ)
{
pShp = ShapeLib.SHPCreateObject(shpType, -1, 0, null, null, 1, shp.XList, shp.YList, shp.ZList, null);
}
else
{
pShp = ShapeLib.SHPCreateObject(shpType, -1, 0, null, null, 1, shp.XList, shp.YList, null, null);
}
}
try //In case of invalid shapes
{
ShapeLib.SHPWriteObject(hShp, -1, pShp);
}
catch (Exception)
{
Console.WriteLine("Shape with " + args[2].ToString().ToUpper() + "= " + pkValue + " is invalid. Number of vertices: " + shp.nVertices.ToString() + " Number of parts: " + shp.nParts.ToString());
continue;
}
ShapeLib.SHPDestroyObject(pShp);
foreach (DataRow row in dt.Rows)
{
if (row["dBaseName"] == null || row["dBaseName"].ToString() == string.Empty)
{
continue;
}
int ordinal = (int)ht[row["dBaseName"].ToString()];
string fieldName = row["ColumnName"].ToString();
if (dr[fieldName] is DBNull)
{
continue;
}
switch (row["DataType"].ToString())
{
case "System.Int32":
case "System.Int16":
ShapeLib.DBFWriteIntegerAttribute(hDbf, iShape, ordinal, int.Parse(dr[fieldName].ToString()));
break;
case "System.String":
ShapeLib.DBFWriteStringAttribute(hDbf, iShape, ordinal, dr[fieldName].ToString());
break;
case "System.Boolean":
ShapeLib.DBFWriteLogicalAttribute(hDbf, iShape, ordinal, bool.Parse(dr[fieldName].ToString()));
break;
case "System.Double":
case "System.Float":
case "System.Decimal":
ShapeLib.DBFWriteDoubleAttribute(hDbf, iShape, ordinal, double.Parse(dr[fieldName].ToString()));
break;
case "System.DateTime":
DateTime date = DateTime.Parse(dr[fieldName].ToString());
ShapeLib.DBFWriteDateAttribute(hDbf, iShape, ordinal, date);
break;
}
}
iShape++;
//dr.NextResult();
}
Console.WriteLine("Converted " + iShape.ToString() + " shapes in: " + (DateTime.Now - tstart).ToString());
// free resources
ShapeLib.SHPClose(hShp);
ShapeLib.DBFClose(hDbf);
//Create projection file if needed
CreatePrjFile(oracon, args[1].ToString(), args[3].ToString(), outShpFile);
//Console.Write("Done.\n");
Console.Write("\nCreated shapefile " + args[4].ToString() + " with " + iShape.ToString() + " records.\nTotal Elapsed Time: " + (DateTime.Now - tProgramstart).ToString() + "\nPress any key to exit.");
Console.ReadLine();
}
catch (Exception ex)
{
Console.Write("ERROR: " + ex.Message + "\nPress any key to exit");
Utils.WriteErrLog(ex);
Console.ReadLine();
}
finally
{
//Close and free connection
oracon.Close(); oracon.Dispose();
}
}
/// <summary>
/// Creates the database file that contains meta data about the shapes.
/// </summary>
/// <param name="shapetype"></param>
/// <param name="SHPFile"></param>
private void WriteDBF(ShapeLib.ShapeType shapetype, string SHPFile, bool convertTags)
{
string filename;
int shapes = 0;
List <MetaData> elementData;
List <string> fields = new List <string>();
switch (shapetype)
{
case ShapeLib.ShapeType.Polygon:
filename = SHPFile + "-polygons";
shapes = areas;
elementData = polygonsData;
break;
case ShapeLib.ShapeType.PolyLine:
filename = SHPFile + "-lines";
shapes = ways;
elementData = linesData;
break;
case ShapeLib.ShapeType.Point:
filename = SHPFile + "-points";
shapes = points;
elementData = pointsData;
break;
default:
return;
}
IntPtr hDbf = ShapeLib.DBFCreate(filename);
if (hDbf.Equals(IntPtr.Zero))
{
Console.WriteLine("Error: Unable to create {0}.dbf!", filename);
return;
}
// add some fields. Fields have to be initialized before data is added
int iRet = ShapeLib.DBFAddField(hDbf, "shapeID", ShapeLib.DBFFieldType.FTInteger, 4, 0);
iRet = ShapeLib.DBFAddField(hDbf, "shapeName", ShapeLib.DBFFieldType.FTString, 50, 0);
// if tags have to be converted, collect the names of all tags
if (convertTags)
{
for (int iShape = 0; iShape < shapes; iShape++)
{
foreach (KeyValuePair <string, string> entry in elementData[iShape].Tags)
{
// Make sure that fields are only added once
if (!fields.Contains(entry.Key))
{
fields.Add(entry.Key);
}
}
}
// create fields in the DB for all tags
foreach (string field in fields)
{
iRet = ShapeLib.DBFAddField(hDbf, field, ShapeLib.DBFFieldType.FTString, 128, 0);
}
}
// populate
for (int iShape = 0; iShape < shapes; iShape++)
{
iRet = (ShapeLib.DBFWriteIntegerAttribute(hDbf, iShape, 0, iShape));
iRet = (ShapeLib.DBFWriteStringAttribute(hDbf, iShape, 1, elementData[iShape].Name));
// If tags should be converted, write their values to the appropriate fields
if (convertTags)
{
foreach (KeyValuePair <string, string> entry in elementData[iShape].Tags)
{
// Cut the entry after 128 characters
int stringLength = entry.Value.Length;
if (stringLength > 127)
{
stringLength = 127;
}
iRet = ShapeLib.DBFWriteStringAttribute(hDbf, iShape, fields.IndexOf(entry.Key) + 2, entry.Value.Substring(0, stringLength));
}
}
}
ShapeLib.DBFClose(hDbf);
}
public void Write(GeoRefData geodata)
{
double[] Xs = null;
double[] Ys = null;
ShapeLib.ShapeType type = ShapeLib.ShapeType.NullShape;
if (geodata.Geometry is IXYPoint)
{
IXYPoint p = (IXYPoint)geodata.Geometry;
type = ShapeLib.ShapeType.Point;
Xs = new double[] { p.X };
Ys = new double[] { p.Y };
}
else if (geodata.Geometry.GetType().Equals(typeof(XYPolyline)))
{
XYPolyline p = (XYPolyline)geodata.Geometry;
type = ShapeLib.ShapeType.PolyLine;
int npoints = p.Points.Count;
Xs = new double[npoints];
Ys = new double[npoints];
for (int i = 0; i < npoints; i++)
{
Xs[i] = p.Points[i].X;
Ys[i] = p.Points[i].Y;
}
}
else if (geodata.Geometry.GetType().Equals(typeof(XYLine)))
{
XYLine p = (XYLine)geodata.Geometry;
type = ShapeLib.ShapeType.PolyLine;
int npoints = 2;
Xs = new double[] { p.P1.X, p.P2.X };
Ys = new double[] { p.P1.Y, p.P2.Y };;
}
else if (geodata.Geometry.GetType().Equals(typeof(XYPolygon)))
{
XYPolygon p = (XYPolygon)geodata.Geometry;
type = ShapeLib.ShapeType.Polygon;
int npoints = p.Points.Count;
Xs = new double[npoints];
Ys = new double[npoints];
p.Points.Reverse();
for (int i = 0; i < npoints; i++)
{
Xs[i] = p.Points[i].X;
Ys[i] = p.Points[i].Y;
}
p.Points.Reverse();
}
else if (geodata.Geometry.GetType().Equals(typeof(MultiPartPolygon)))
{
MultiPartPolygon p = (MultiPartPolygon)geodata.Geometry;
type = ShapeLib.ShapeType.Polygon;
int npoints = p.Polygons.Sum(pol => pol.Points.Count);
foreach (var poly in p.Polygons)
{
poly.Points.Reverse();
}
Xs = new double[npoints];
Ys = new double[npoints];
int i = 0;
foreach (var point in p.Polygons.SelectMany(pol => pol.Points))
{
Xs[i] = point.X;
Ys[i] = point.Y;
i++;
}
foreach (var poly in p.Polygons)
{
poly.Points.Reverse();
}
}
if (_shapePointer == IntPtr.Zero)
{
_shapePointer = ShapeLib.SHPCreate(_fileName, type);
}
if (_shapePointer == IntPtr.Zero)
{
throw new Exception("Could not create: " + Path.GetFullPath(_fileName) + "\nMake sure directory exists.");
}
IntPtr obj;
if (geodata.Geometry.GetType().Equals(typeof(MultiPartPolygon)))
{
MultiPartPolygon p = (MultiPartPolygon)geodata.Geometry;
int[] partstarts = new int[p.Polygons.Count];
partstarts[0] = 0;
ShapeLib.PartType[] partype = new ShapeLib.PartType[p.Polygons.Count];
for (int i = 0; i < partype.Count(); i++)
{
partype[i] = ShapeLib.PartType.Ring;
}
for (int i = 1; i < partstarts.Count(); i++)
{
partstarts[i] = partstarts[i - 1] + p.Polygons[i - 1].Points.Count;
}
obj = ShapeLib.SHPCreateObject(type, -1, partstarts.Count(), partstarts, partype, Xs.Count(), Xs, Ys, null, null);
}
else
{
obj = ShapeLib.SHPCreateSimpleObject(type, Xs.Count(), Xs, Ys, null);
}
ShapeLib.SHPWriteObject(_shapePointer, -1, obj);
ShapeLib.SHPDestroyObject(obj);
_dbf.WriteData(geodata.Data);
NoOfEntries++;
}
private void generateShapeInfo()
{
if (!this.hShpIsOpen)
hShp = ShapeLib.SHPOpenW(this.filePath, this.access);
if (hShp.Equals(IntPtr.Zero))
MessageBox.Show("Oops - hShp = 0");
else
{
// get shape info and verify shapes were created correctly
double[] minB = new double[4];
double[] maxB = new double[4];
int nEntities = 0;
ShapeLib.ShapeType shapeType = ShapeLib.ShapeType.PolyLine;
ShapeLib.SHPGetInfo(hShp, ref nEntities, ref shapeType, minB, maxB);
this.numberOfShapes = nEntities;
this.shapeType = shapeType;
this.minB = minB;
this.maxB = maxB;
ShapeLib.SHPClose(hShp);
this.hShpIsOpen = false;
this.isShapeInfoRead = true;
}
}
public bool CreatePointFile(string path, string[] pointJson)
{
if (pointJson == null || pointJson.Length == 0)
{
return(false);
}
if (System.IO.Directory.Exists(path) == false)
{
Directory.CreateDirectory(path);
}
ShapeLib.ShapeType shpType = ShapeLib.ShapeType.Point;
hShpPoint = ShapeLib.SHPCreate(path + "\\poi", shpType);
DbfFile odbf = CreateAttr(path, pointJson);
DbfRecord orec = new DbfRecord(odbf.Header)
{
AllowDecimalTruncate = true
};
//逐个点录入属性信息及提取坐标
for (int i = 0; i < pointJson.Length; i++)
{
//取出JSON中的属性信息
JObject obj = (JObject)JsonConvert.DeserializeObject(pointJson[i]);
string attrs = obj["attr"].ToString();
string attrtypes = obj["attrtype"].ToString();
string geometry = obj["geometry"].ToString();
//将该点属性信息记录为List<PointInf>
List <PointInf> pointinf = new List <PointInf>();
List <string> values = new List <string>();
List <string> types = new List <string>();
JToken attrname = (JToken)JsonConvert.DeserializeObject(attrs);
int listLenhth = 0;
foreach (JProperty jp in attrname)
{
values.Add(jp.Value.ToString());
listLenhth++;
}
JToken attrtype = (JToken)JsonConvert.DeserializeObject(attrtypes);
foreach (JProperty jp in attrtype)
{
types.Add(jp.Value.ToString());
}
for (int a = 0; a < listLenhth - 1; a++)
{
pointinf.Add(new PointInf(values[a], types[a]));
}
try
{
//生成坐标点
List <Point> geo = CreatePointFilePointList(geometry);
double[] xCoord = new double[1];
double[] yCoord = new double[1];
xCoord[0] = geo[0].X;
yCoord[0] = geo[0].Y;
IntPtr pShp = ShapeLib.SHPCreateSimpleObject(shpType, 1, xCoord, yCoord, null);
ShapeLib.SHPWriteObject(hShpPoint, -1, pShp);
ShapeLib.SHPDestroyObject(pShp);
//录入属性信息
for (int a = 0; a < listLenhth - 1; a++)
{
if (pointinf[a].Type == "text")
{
orec[a] = pointinf[a].Value;
}
else
{
string c = pointinf[a].Value.ToString();
orec[a] = c;
}
}
odbf.Write(orec, true);
}
catch
{
string c = pointinf[0].Value.ToString();
}
}
//关闭
odbf.Close();
if (hShpPoint != IntPtr.Zero)
{
ShapeLib.SHPClose(hShpPoint);
}
return(true);
}
public static extern string SHPTypeName(ShapeLib.ShapeType shapeType_0);
public static extern void SHPGetInfo(IntPtr intptr_0, ref int int_0, ref ShapeLib.ShapeType shapeType_0,
double[] double_0, double[] double_1);
public static extern IntPtr SHPCreateSimpleObject(ShapeLib.ShapeType shapeType_0, int int_0, double[] double_0,
double[] double_1, double[] double_2);
public static extern IntPtr SHPCreateObject(ShapeLib.ShapeType shapeType_0, int int_0, int int_1, int[] int_2,
ShapeLib.PartType[] partType_0, int int_3, double[] double_0, double[] double_1, double[] double_2,
double[] double_3);
public static extern IntPtr SHPCreate(string string_0, ShapeLib.ShapeType shapeType_0);