public bool AppendFeature(IFeatureClass fc, IFeature feature)
{
if (_doc == null || fc == null || feature == null)
{
return(false);
}
XmlNode featureCollection = _doc.SelectSingleNode("GML:FeatureCollection", _ns);
if (featureCollection == null)
{
return(false);
}
XmlNode featureMember = _doc.CreateElement("gml", "featureMember", _ns.LookupNamespace("GML"));
XmlNode featureclass = _doc.CreateElement("gv", fc.Name, _ns.LookupNamespace("myns"));
featureMember.AppendChild(featureclass);
if (feature.Shape != null)
{
try
{
string geom = GeometryTranslator.Geometry2GML(feature.Shape, String.Empty, _gmlVersion);
geom = @"<gml:theGeometry xmlns:gml=""http://www.opengis.net/gml"">" + geom + "</gml:theGeometry>";
XmlDocument doc = new XmlDocument();
doc.LoadXml(geom);
XmlNode geomNode = _doc.CreateElement("gv", fc.ShapeFieldName.Replace("#", ""), _ns.LookupNamespace("myns"));
foreach (XmlNode node in doc.ChildNodes[0].ChildNodes)
{
geomNode.AppendChild(_doc.ImportNode(node, true));
}
if (!UpdateEnvelope(feature.Shape.Envelope))
{
_errMsg = "Can't update envelope...";
return(false);
}
featureclass.AppendChild(geomNode);
}
catch (Exception ex)
{
_errMsg = ex.Message;
return(false);
}
}
foreach (FieldValue fv in feature.Fields)
{
XmlNode attrNode = _doc.CreateElement("gv", fv.Name.Replace("#", ""), _ns.LookupNamespace("myns"));
if (fv.Value != null)
{
attrNode.InnerText = fv.Value.ToString();
}
featureclass.AppendChild(attrNode);
}
featureCollection.AppendChild(featureMember);
return(true);
}
public static bool Create(string filename, IGeometryDef geomDef, Fields fields, GmlVersion gmlVersion)
{
try
{
FileInfo fi = new FileInfo(filename);
string name = fi.Name.Substring(0, fi.Name.Length - fi.Extension.Length);
string gml_filename = fi.FullName.Substring(0, fi.FullName.Length - fi.Extension.Length) + ".gml";
string xsd_filename = fi.FullName.Substring(0, fi.FullName.Length - fi.Extension.Length) + ".xsd";
FeatureClass featureClass = new FeatureClass(null, name, fields);
XmlSchemaWriter schemaWriter = new XmlSchemaWriter(featureClass);
string schema = schemaWriter.Write();
using (StreamWriter sw = new StreamWriter(xsd_filename, false, Encoding.UTF8))
{
sw.WriteLine(schema.Trim());
sw.Flush();
sw.Close();
}
using (StreamWriter sw = new StreamWriter(gml_filename, false, Encoding.UTF8))
{
sw.Write(@"<?xml version=""1.0"" encoding=""UTF-8""?>
<gml:FeatureCollection xmlns:gml=""http://www.opengis.net/gml""
xmlns:xlink=""http://www.w3.org/1999/xlink""
xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance""
xmlns:gv=""http://www.gViewGIS.com/server""
xsi:schemaLocation=""http://www.gview.com/gml " + name + @".xsd"">".Trim());
string boundingBox = GeometryTranslator.Geometry2GML(new Envelope(), String.Empty, gmlVersion);
sw.WriteLine(@"
<gml:boundedBy>");
sw.Write(boundingBox);
sw.Write(@"
</gml:boundedBy>");
sw.Write(@"
</gml:FeatureCollection>");
sw.Flush();
sw.Close();
}
return(true);
}
catch
{
return(false);
}
}
