private void OnContentChanged()
{
try
{
Color = ArcUtils.GetColorFromLayer(_layer);
if (LayerChangedEvent != null)
{
LayerChangedEvent(this);
}
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message, "CycloMediaLayer.OnContentChanged");
}
}
// =========================================================================
// Functions (Public)
// =========================================================================
public string GetGmlFromLocation(List <RecordingLocation> recordingLocations, double distance, out Color color, SpatialReference cyclSpatialRef)
{
string result = WfsHeader;
// ReSharper disable UseIndexedProperty
if (_featureClass != null)
{
IGeometry geometryBag = new GeometryBagClass();
var geometryCollection = geometryBag as IGeometryCollection;
Config config = Config.Instance;
SpatialReference spatRel = config.SpatialReference;
ISpatialReference gsSpatialReference = (spatRel == null) ? ArcUtils.SpatialReference : spatRel.SpatialRef;
var projCoord = gsSpatialReference as IProjectedCoordinateSystem;
if (projCoord == null)
{
var geoCoord = gsSpatialReference as IGeographicCoordinateSystem;
if (geoCoord != null)
{
IAngularUnit unit = geoCoord.CoordinateUnit;
double factor = unit.ConversionFactor;
distance = distance * factor;
}
}
else
{
ILinearUnit unit = projCoord.CoordinateUnit;
double factor = unit.ConversionFactor;
distance = distance / factor;
}
foreach (var recordingLocation in recordingLocations)
{
double x = recordingLocation.X;
double y = recordingLocation.Y;
IEnvelope envelope = new EnvelopeClass
{
XMin = x - distance,
XMax = x + distance,
YMin = y - distance,
YMax = y + distance,
SpatialReference = gsSpatialReference
};
envelope.Project(SpatialReference);
geometryCollection.AddGeometry(envelope);
}
ITopologicalOperator unionedPolygon = new PolygonClass();
unionedPolygon.ConstructUnion(geometryBag as IEnumGeometry);
var polygon = unionedPolygon as IPolygon;
ISpatialFilter spatialFilter = new SpatialFilterClass
{
Geometry = polygon,
GeometryField = _featureClass.ShapeFieldName,
SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects
};
var featureCursor = _featureClass.Search(spatialFilter, false);
var featureCount = _featureClass.FeatureCount(spatialFilter);
var shapeId = featureCursor.FindField(_featureClass.ShapeFieldName);
var gmlConverter = new GMLConverter();
for (int i = 0; i < featureCount; i++)
{
IFeature feature = featureCursor.NextFeature();
if (!EditFeatures.Contains(feature))
{
IFields fields = feature.Fields;
var fieldvalues = new Dictionary <string, string> {
{ "FEATURECLASSNAME", _featureClass.AliasName }
};
for (int j = 0; j < fields.FieldCount; j++)
{
IField field = fields.Field[j];
string name = field.Name;
int id = featureCursor.FindField(name);
string value = (id != shapeId)
? feature.get_Value(id).ToString()
: _featureClass.ShapeType.ToString().Replace("esriGeometry", string.Empty);
fieldvalues.Add(name, value);
}
var shapeVar = feature.get_Value(shapeId);
var geometry = shapeVar as IGeometry;
if (geometry != null)
{
geometry.Project((cyclSpatialRef == null) ? gsSpatialReference : cyclSpatialRef.SpatialRef);
if (!HasZ)
{
var pointCollection = geometry as IPointCollection4;
if (pointCollection != null)
{
for (int j = 0; j < pointCollection.PointCount; j++)
{
IPoint point = pointCollection.Point[j];
if (point != null)
{
point.Z = double.NaN;
}
pointCollection.ReplacePoints(j, 1, 1, point);
}
shapeVar = pointCollection as IGeometry;
}
else
{
var point = geometry as IPoint;
if (point != null)
{
point.Z = double.NaN;
shapeVar = point;
}
}
}
}
gmlConverter.ESRIGeometry = shapeVar;
string gml = gmlConverter.GML;
gml = gml.Replace("<Polygon>", string.Format("<Polygon srsDimension=\"{0}\" >", HasZ ? 3 : 2));
gml = gml.Replace("<LineString>", string.Format("<LineString srsDimension=\"{0}\" >", HasZ ? 3 : 2));
gml = gml.Replace("<point>", string.Format("<point srsDimension=\"{0}\" >", HasZ ? 3 : 2));
gml = gml.Replace("point", "Point");
gml = gml.Replace(",1.#QNAN", string.Empty);
gml = gml.Replace("<", "<gml:");
gml = gml.Replace("<gml:/", "</gml:");
string fieldValueStr = fieldvalues.Aggregate(string.Empty,
(current, fieldvalue) => string.Format("{0}<{1}>{2}</{1}>", current, fieldvalue.Key, fieldvalue.Value));
result = string.Format("{0}<gml:featureMember><xs:Geometry>{1}{2}</xs:Geometry></gml:featureMember>", result,
fieldValueStr, gml);
}
}
}
// ReSharper restore UseIndexedProperty
color = ArcUtils.GetColorFromLayer(_layer);
GmlChanged = (_color != color);
_color = color;
string newGml = string.Concat(result, WfsFinished);
GmlChanged = ((newGml != _gml) || GmlChanged);
return(_gml = newGml);
}