//This is the full GPX 1.1 schema.
//Option 1 - Add all schema defined fields, even if they are not used
//TODO - Option 2 - Scan file and only use fields used in this file.
//var search = Root.Descendants(_ns + type.Path);
private IFields BuildFields(GpxFeatureClass featureClass)
{
var description = new FeatureClassDescriptionClass();
var fields = (IFieldsEdit)description.RequiredFields;
IFieldEdit field = new FieldClass();
//Geometry
var geometryIndex = fields.FindField(description.ShapeFieldName);
var geometry = (IGeometryDefEdit)fields.Field[geometryIndex].GeometryDef;
geometry.GeometryType_2 = featureClass.GeometryType;
geometry.SpatialReference_2 = SpatialReference;
geometry.HasM_2 = false;
geometry.HasZ_2 = true; //FIXME - this may be false.
//Common Fields
field.Name_2 = "name";
field.AliasName_2 = "Name";
field.Type_2 = esriFieldType.esriFieldTypeString;
fields.AddField(field);
// ReSharper disable UseObjectOrCollectionInitializer
//These COM classes do not support object initializers
field = new FieldClass();
field.Name_2 = "cmt";
field.AliasName_2 = "Comment";
field.Type_2 = esriFieldType.esriFieldTypeString;
fields.AddField(field);
field = new FieldClass();
field.Name_2 = "desc";
field.AliasName_2 = "Description";
field.Type_2 = esriFieldType.esriFieldTypeString;
fields.AddField(field);
field = new FieldClass();
field.Name_2 = "src";
field.AliasName_2 = "Source";
field.Type_2 = esriFieldType.esriFieldTypeString;
fields.AddField(field);
field = new FieldClass();
field.Name_2 = "link";
field.AliasName_2 = "Hyperlink";
//field.Type_2 = esriFieldType.esriFieldTypeXML;
//XML datatype is not fully supported in Desktop (i.e. no value is displayed, and export to shapefile will fail)
field.Type_2 = esriFieldType.esriFieldTypeString;
fields.AddField(field);
//GPX 1.0
field = new FieldClass();
field.Name_2 = "url";
field.AliasName_2 = "Url link";
field.Type_2 = esriFieldType.esriFieldTypeString;
fields.AddField(field);
//GPX 1.0
field = new FieldClass();
field.Name_2 = "urlname";
field.AliasName_2 = "Url Name";
field.Type_2 = esriFieldType.esriFieldTypeString;
fields.AddField(field);
field = new FieldClass();
field.Name_2 = "type";
field.AliasName_2 = "Type";
field.Type_2 = esriFieldType.esriFieldTypeString;
fields.AddField(field);
field = new FieldClass();
field.Name_2 = "extensions";
//field.Type_2 = esriFieldType.esriFieldTypeXML;
field.Type_2 = esriFieldType.esriFieldTypeString;
fields.AddField(field);
//Only for Routes and Tracks
if (featureClass.Path == "rte" || featureClass.Path == "trk")
{
field = new FieldClass();
field.Name_2 = "number";
field.AliasName_2 = featureClass.Path == "rte" ? "Route Number" : "Track Number";
field.Type_2 = esriFieldType.esriFieldTypeInteger;
fields.AddField(field);
}
//Only for Points
if (featureClass.Path == "wpt" || featureClass.Path == "trkpt" || featureClass.Path == "rtept")
{
field = new FieldClass();
field.Name_2 = "ele";
field.AliasName_2 = "Elevation";
field.Type_2 = esriFieldType.esriFieldTypeDouble;
fields.AddField(field);
field = new FieldClass();
field.Name_2 = "time";
field.AliasName_2 = "Time (UTC)";
field.Type_2 = esriFieldType.esriFieldTypeDate;
fields.AddField(field);
field = new FieldClass();
field.Name_2 = "magvar";
field.Type_2 = esriFieldType.esriFieldTypeDouble;
fields.AddField(field);
field = new FieldClass();
field.Name_2 = "geoidheight";
field.Type_2 = esriFieldType.esriFieldTypeDouble;
fields.AddField(field);
field = new FieldClass();
field.Name_2 = "sym";
field.AliasName_2 = "Symbol";
field.Type_2 = esriFieldType.esriFieldTypeString;
fields.AddField(field);
field = new FieldClass();
field.Name_2 = "fix";
field.AliasName_2 = "GpsFix";
field.Type_2 = esriFieldType.esriFieldTypeString;
field.Length_2 = 4;
fields.AddField(field);
field = new FieldClass();
field.Name_2 = "sat";
field.AliasName_2 = "Satellites";
field.Type_2 = esriFieldType.esriFieldTypeInteger;
fields.AddField(field);
field = new FieldClass();
field.Name_2 = "hdop";
field.AliasName_2 = "HDOP";
field.Type_2 = esriFieldType.esriFieldTypeDouble;
fields.AddField(field);
field = new FieldClass();
field.Name_2 = "vdop";
field.AliasName_2 = "VDOP";
field.Type_2 = esriFieldType.esriFieldTypeDouble;
fields.AddField(field);
field = new FieldClass();
field.Name_2 = "pdop";
field.AliasName_2 = "PDOP";
field.Type_2 = esriFieldType.esriFieldTypeDouble;
fields.AddField(field);
field = new FieldClass();
field.Name_2 = "ageofdgpsdata";
field.Type_2 = esriFieldType.esriFieldTypeDouble;
fields.AddField(field);
field = new FieldClass();
field.Name_2 = "dgpsid";
field.Type_2 = esriFieldType.esriFieldTypeInteger;
fields.AddField(field);
// ReSharper restore UseObjectOrCollectionInitializer
}
return fields;
}
private IGeometry BuildWorkingGeometry(GpxFeatureClass featureClass)
{
IGeometry result = null;
if (featureClass.GeometryType == esriGeometryType.esriGeometryPoint)
result = new PointClass();
if (featureClass.GeometryType == esriGeometryType.esriGeometryPolyline)
result = new PolylineClass();
if (featureClass.GeometryType == esriGeometryType.esriGeometryPolygon)
result = new PolygonClass();
if (result == null)
throw new ArgumentException("Geometry type must be Point/Polyline/Polygon", "featureClass");
result.SpatialReference = SpatialReference;
return result;
}
internal IEnumerator<XElement> GetEnumerator(GpxFeatureClass type)
{
return Root.Descendants().Where(e => e.Name == _xmlNamespace + type.Path).GetEnumerator();
}