/// <summary>
/// Returns the Serializable GML SF0 Curve Object for the Given LineString
/// </summary>
/// <param name="geomertyType"></param>
/// <returns></returns>
private static GeospatialServices.Ogc.Wms.GmlSf.Curve GetGmlSfCurve(SqlGeometry geometry)
{
GeospatialServices.Ogc.Wms.GmlSf.Curve gmlCurve = new GeospatialServices.Ogc.Wms.GmlSf.Curve();
gmlCurve.srsName = geometry.STSrid.ToString();
LineStringSegment lineStringSegment = new LineStringSegment();
gmlCurve.segments.Add(lineStringSegment);
lineStringSegment.Interpolation = CurveInterpolationType.linear;
StringBuilder sb = new StringBuilder();
bool first = true;
for (int i = 1; i <= geometry.STNumPoints(); i++)
{
if (first)
{
first = false;
}
else
{
sb.Append(" ");
}
sb.Append(geometry.STPointN(i).STX.ToString());
sb.Append(" ");
sb.Append(geometry.STPointN(i).STY.ToString());
}
lineStringSegment.PosList.Value = sb.ToString();
return(gmlCurve);
}
/// <summary>
/// Returns the Serializable GML SF0 Multi Curve Object for the Given MultiCurve
/// </summary>
/// <param name="geomertyType"></param>
/// <returns></returns>
private static GeospatialServices.Ogc.Wms.GmlSf.MultiCurve GetGmlSfMultiCurve(SqlGeometry geometry)
{
GeospatialServices.Ogc.Wms.GmlSf.MultiCurve gmlMultiCurve = new GeospatialServices.Ogc.Wms.GmlSf.MultiCurve();
GeospatialServices.Ogc.Wms.GmlSf.Curve gmlCurve = null;
for (int i = 1; i <= geometry.STNumGeometries(); i++)
{
SqlGeometry smLineString = geometry.STGeometryN(i);
gmlCurve = GetGmlSfCurve(smLineString);
gmlMultiCurve.CurveMemberList.Add(new CurveProperty(gmlCurve));
}
return(gmlMultiCurve);
}
public static AbstractGML GetFromSqlGeometry(SqlGeometry geometry)
{
AbstractGML gmlGeometry = null;
string geomType = (string)geometry.STGeometryType();
switch (geomType)
{
case "Point":
{
GeospatialServices.Ogc.Wms.GmlSf.Point gmlPoint = GetGmlSfPoint(geometry);
gmlGeometry = gmlPoint;
}
break;
case "LineString":
{
GeospatialServices.Ogc.Wms.GmlSf.Curve gmlCurve = GetGmlSfCurve(geometry);
gmlGeometry = gmlCurve;
}
break;
case "Polygon":
{
GeospatialServices.Ogc.Wms.GmlSf.Surface gmlSurface = GetGmlSfSurface(geometry);
gmlGeometry = gmlSurface;
}
break;
case "MultiPoint":
{
GeospatialServices.Ogc.Wms.GmlSf.MultiPoint gmlMultiPoint = GetGmlSfMultiPoint(geometry);
gmlGeometry = gmlMultiPoint;
}
break;
case "MultiLineString":
{
GeospatialServices.Ogc.Wms.GmlSf.MultiCurve gmlMultiCurve = GetGmlSfMultiCurve(geometry);
gmlGeometry = gmlMultiCurve;
}
break;
case "MultiPolygon":
{
GeospatialServices.Ogc.Wms.GmlSf.MultiSurface gmlMultiSurface = GetGmlSfMultiSurface(geometry);
gmlGeometry = gmlMultiSurface;
}
break;
case "GeometryCollection":
{
GeospatialServices.Ogc.Wms.GmlSf.MultiGeometry gmlMultiGeometry = new GeospatialServices.Ogc.Wms.GmlSf.MultiGeometry();
GeospatialServices.Ogc.Wms.GmlSf.MultiSurface gmlMultiSurface = null;
GeospatialServices.Ogc.Wms.GmlSf.MultiPoint gmlMultiPoint = null;
GeospatialServices.Ogc.Wms.GmlSf.MultiCurve gmlMultiCurve = null;
GeospatialServices.Ogc.Wms.GmlSf.Surface gmlSurface = null;
GeospatialServices.Ogc.Wms.GmlSf.Point gmlPoint = null;
GeospatialServices.Ogc.Wms.GmlSf.Curve gmlCurve = null;
GeospatialServices.Ogc.Wms.GmlSf.AbstractGeometricAggregate gmlAbstractGeometricAggregate = null;
for (int i = 1; i <= geometry.STNumGeometries(); i++)
{
if (geometry.STGeometryN(i).STGeometryType() == "Point")
{
if (gmlMultiPoint == null)
{
gmlMultiPoint = new GeospatialServices.Ogc.Wms.GmlSf.MultiPoint();
gmlMultiGeometry.MultiGeometryMemberList.Add(new MultiGeometryProperty(gmlMultiPoint));
}
gmlPoint = GetGmlSfPoint(geometry.STGeometryN(i));
gmlMultiPoint.PointMemberList.Add(new PointProperty(gmlPoint));
}
if (geometry.STGeometryN(i).STGeometryType() == "LineString")
{
if (gmlMultiCurve == null)
{
gmlMultiCurve = new GeospatialServices.Ogc.Wms.GmlSf.MultiCurve();
gmlMultiGeometry.MultiGeometryMemberList.Add(new MultiGeometryProperty(gmlMultiCurve));
}
gmlCurve = GetGmlSfCurve(geometry.STGeometryN(i));
gmlMultiCurve.CurveMemberList.Add(new CurveProperty(gmlCurve));
}
else if (geometry.STGeometryN(i).STGeometryType() == "Polygon")
{
if (gmlMultiSurface == null)
{
gmlMultiSurface = new GeospatialServices.Ogc.Wms.GmlSf.MultiSurface();
gmlMultiGeometry.MultiGeometryMemberList.Add(new MultiGeometryProperty(gmlMultiSurface));
}
gmlSurface = GetGmlSfSurface(geometry.STGeometryN(i));
gmlMultiSurface.SurfaceMemberList.Add(new SurfaceProperty(gmlSurface));
}
else // MultiPoint, MultiLineString, Multipolygon, GeometricCollection
{
gmlAbstractGeometricAggregate = (GeospatialServices.Ogc.Wms.GmlSf.AbstractGeometricAggregate)GetFromSqlGeometry(geometry.STGeometryN(i));
gmlMultiGeometry.MultiGeometryMemberList.Add(new MultiGeometryProperty(gmlAbstractGeometricAggregate));
}
}
gmlGeometry = gmlMultiGeometry;
}
break;
}
return(gmlGeometry);
}
