public Geospatial(String value)
{
String s = value.ToString();
initInstanceVars();
this.FromString(s);
this.setGXGeoType(SQLGeographyWrapper.STGeometryType(_innerValue).ToString());
}
internal static object STGeomFromText(string geoText, int sRID)
{
object cwPolygon = SQLGeographyWrapper.GeometryParse(geoText);
object stStartPoint = ClassLoader.Invoke(cwPolygon, "STStartPoint", null);
object validPolygon = ClassLoader.Invoke(cwPolygon, "MakeValid", null);
cwPolygon = ClassLoader.Invoke(validPolygon, "STUnion", new object[] { stStartPoint });
object stAsText = ClassLoader.Invoke(cwPolygon, "STAsText", null);
return(ClassLoader.InvokeStatic(SQLGeographyWrapper.GeoAssembly, SQLGeographyWrapper.SqlGeographyClass, "STGeomFromText", new object[] { stAsText, sRID }));
}
public Geospatial(object value)
{
Geospatial geo = value as Geospatial;
if (geo != null)
{
this.InnerValue = geo.InnerValue;
this.setGXGeoType(SQLGeographyWrapper.STGeometryType(_innerValue).ToString());
this.srid = geo.srid;
}
else
{
String s = value.ToString();
new Geospatial(s);
}
}
ArrayList geoToArray(String geoType, Object geoInstance)
{
ArrayList ArrayOfPoints = new ArrayList();
if (geoType.Equals("MultiPoint") || geoType.Equals("LineString"))
{
SqlInt32 points = (SqlInt32)ClassLoader.Invoke(geoInstance, "STNumPoints", null);
for (int i = 1; i <= points.Value; i++)
{
double[] CurrentPoint = new double[2];
object currentPoint = ClassLoader.Invoke(geoInstance, "STPointN", new object[] { i });
CurrentPoint[0] = SQLGeographyWrapper.Long(currentPoint);
CurrentPoint[1] = SQLGeographyWrapper.Lat(currentPoint);
ArrayOfPoints.Add(CurrentPoint);
}
}
else if (geoType.Equals("Point"))
{
object currentPoint = ClassLoader.Invoke(geoInstance, "STPointN", new object[] { 1 });
ArrayOfPoints.Add(SQLGeographyWrapper.Long(currentPoint));
ArrayOfPoints.Add(SQLGeographyWrapper.Lat(currentPoint));
}
else if (geoType.Equals("Polygon"))
{
SqlInt32 rings = (SqlInt32)ClassLoader.Invoke(geoInstance, "NumRings", null);
for (int j = 1; j <= rings.Value; j++)
{
ArrayList RingArray = new ArrayList();
object currentRing = ClassLoader.Invoke(geoInstance, "RingN", new object[] { j });
SqlInt32 p = (SqlInt32)ClassLoader.Invoke(currentRing, "STNumPoints", null);
for (int i = 1; i < p.Value; i++)
{
double[] CurrentPoint = new double[2];
object currentPoint = ClassLoader.Invoke(currentRing, "STPointN", new object[] { i });
CurrentPoint[0] = SQLGeographyWrapper.Long(currentPoint);
CurrentPoint[1] = SQLGeographyWrapper.Lat(currentPoint);
RingArray.Add(CurrentPoint);
}
ArrayOfPoints.Add(RingArray);
}
}
else if (geoType.Equals("MultiLineString"))
{
SqlInt32 geoms = (SqlInt32)ClassLoader.Invoke(geoInstance, "STNumGeometries", null);
for (int j = 1; j <= geoms.Value; j++)
{
object currentgeom = ClassLoader.Invoke(geoInstance, "STGeometryN", new object[] { j });
ArrayOfPoints.Add(geoToArray("LineString", currentgeom));
}
}
else if (geoType.Equals("MultiPolygon"))
{
SqlInt32 geoms = (SqlInt32)ClassLoader.Invoke(geoInstance, "STNumGeometries", null);
for (int j = 1; j <= geoms.Value; j++)
{
object currentgeom = ClassLoader.Invoke(geoInstance, "STGeometryN", new object[] { j });
ArrayOfPoints.Add(geoToArray("Polygon", currentgeom));
}
}
return(ArrayOfPoints);
}
public void FromString(String s)
{
if (IsGeoNull(s))
{
geoText = EMPTY_GEOMETRY;
}
else
{
geoText = s.Trim();
}
try
{
// Sql Server Text
_innerValue = SQLGeographyWrapper.Parse(geoText);
if ((!SQLGeographyWrapper.IsValid(_innerValue)) && _innerValue != null)
{
_innerValue = SQLGeographyWrapper.MakeValid(_innerValue);
}
this.srid = ((SqlInt32)ClassLoader.GetPropValue(_innerValue, "STSrid")).Value;
this.setGXGeoType(SQLGeographyWrapper.STGeometryType(_innerValue).ToString());
if (GeographicType == GeoGraphicTypeValue.Point)
{
this.Point.Longitude = SQLGeographyWrapper.Long(_innerValue);
this.Point.Latitude = SQLGeographyWrapper.Lat(_innerValue);
}
}
catch (ArgumentException ex)
{
if (ex.ToString().Contains("24144")) // makevalid didn´t work
{
_innerValue = null;
}
if (ex.ToString().Contains("24200")) // Error code for invalid Geo.
{
_innerValue = SQLGeographyWrapper.STGeomFromText(geoText, srid);
}
else
{
// Cannot parse value
this.InnerValue = SQLGeographyWrapper.NullSQLGeography;
this.geoText = "";
this.Point.Longitude = 0;
this.Point.Latitude = 0;
}
}
catch (FormatException ex)
{
String exText = ex.ToString();
if (!String.IsNullOrEmpty(exText) && (ex.ToString().Contains("24114") || ex.ToString().Contains("24141")))
{
if (GeographicType == GeoGraphicTypeValue.Point && !String.IsNullOrEmpty(geoText))
{
int commas = geoText.Split(',').Length - 1;
if ((commas == 1) && !geoText.Contains(" "))
{
// has . as decimal separator and "," as value sep
geoText = geoText.Replace(',', ' ');
}
else
{
if (geoText.Contains(",") && geoText.Contains(" "))
{
geoText = geoText.Replace(',', '.');
}
}
try
{
String[] coord = geoText.Split(new char[] { ' ' }, 2);
this.Point.Longitude = Convert.ToDouble(coord[1].Trim(), CultureInfo.InvariantCulture.NumberFormat);
this.Point.Latitude = Convert.ToDouble(coord[0].Trim(), CultureInfo.InvariantCulture.NumberFormat);
this.srid = 4326;
// Latitude and Longitud parameters are reversed in the 'Point' constructor:
_innerValue = ClassLoader.InvokeStatic(SQLGeographyWrapper.GeoAssembly, SQLGeographyWrapper.SqlGeographyClass, "Point", new object[] { this.Point.Latitude, this.Point.Longitude, this.Srid });
}
catch (Exception)
{
// Can't convert to geography set as null.
_innerValue = SQLGeographyWrapper.NullSQLGeography;
this.geoText = "";
this.Point.Longitude = 0;
this.Point.Latitude = 0;
}
}
else
{
// Cannot parse value
_innerValue = SQLGeographyWrapper.NullSQLGeography;
this.geoText = "";
this.Point.Longitude = 0;
this.Point.Latitude = 0;
}
}
else
{
// Cannot parse value
_innerValue = SQLGeographyWrapper.NullSQLGeography;
this.geoText = "";
this.Point.Longitude = 0;
this.Point.Latitude = 0;
}
}
}
void initInstanceVars()
{
this.PointList = new PointT[] { new PointT() };
this.srid = 4326;
this.InnerValue = SQLGeographyWrapper.CreateInstance();
}
