static private string GetBBox(IEnvelope env, IGeometricTransformer transformer)
{
try
{
env = ((IGeometry)transformer.Transform2D(env)).Envelope;
return(Math.Round(env.minx, 7).ToString(_nhi) + "," +
Math.Round(env.miny, 7).ToString(_nhi) + "," +
Math.Round(env.maxx, 7).ToString(_nhi) + "," +
Math.Round(env.maxy, 7).ToString(_nhi));
}
catch { return(String.Empty); }
}
public static void Feature2GML(IFeature feature, IFeatureClass fc, string fcID, StringBuilder sb, string srsName, IGeometricTransformer transformer, GmlVersion version)
{
if (feature == null || fc == null)
{
return;
}
sb.Append(@"
<gml:featureMember>
<gv:" + fcID + " gml:id=\"" + fcID + "." + feature.OID + "\">");
// Shape
IGeometry shape = (transformer != null) ? transformer.Transform2D(feature.Shape) as IGeometry : feature.Shape;
if (shape != null)
{
sb.Append(@"
<gml:boundedBy>");
sb.Append(GeometryTranslator.Geometry2GML(shape.Envelope, srsName, version));
sb.Append(@"
</gml:boundedBy>");
sb.Append(@"
<gv:" + fc.ShapeFieldName.Replace("#", "") + ">");
sb.Append(GeometryTranslator.Geometry2GML(shape, srsName, version));
sb.Append(@"
</gv:" + fc.ShapeFieldName.Replace("#", "") + ">");
}
// Fields
foreach (FieldValue fv in feature.Fields)
{
if (fv.Name == fc.ShapeFieldName)
{
continue;
}
// TODO: Value soll noch auf <,>,&,... untersucht werden !!!
sb.Append(@"
<gv:" + fv.Name.Replace("#", "") + ">" + fv.Value + "</gv:" + fv.Name.Replace("#", "") + ">");
}
sb.Append(@"
</gv:" + fcID + @">
</gml:featureMember>");
}
public void Draw(ISymbol symbol, IGeometry geometry)
{
try
{
IGeometry geom;
if (_geoTransformer != null)
{
geom = (IGeometry)_geoTransformer.Transform2D(geometry);
}
else
{
geom = geometry;
}
symbol.Draw(this, geom);
}
catch (Exception ex)
{
string msg = ex.Message;
}
}
static public IGeometry Transform2D(IGeometry geometry, ISpatialReference from, ISpatialReference to)
{
if (geometry == null)
{
return(null);
}
if (from == null || to == null || from.Equals(to))
{
return(geometry);
}
using (IGeometricTransformer transformer = GeometricTransformerFactory.Create())
{
//transformer.FromSpatialReference = from;
//transformer.ToSpatialReference = to;
transformer.SetSpatialReferences(from, to);
IGeometry transformed = transformer.Transform2D(geometry) as IGeometry;
transformer.Release();
return(transformed);
}
}
public IGeometry Transform(IGeometry geometry, ISpatialReference geometrySpatialReference)
{
if (geometry == null)
{
return(null);
}
if (geometrySpatialReference == null || _spatialReference == null || geometrySpatialReference.Equals(_spatialReference))
{
return(geometry);
}
IGeometricTransformer transformer = GeometricTransformerFactory.Create();
//transformer.FromSpatialReference = geometrySpatialReference;
//transformer.ToSpatialReference = _spatialReference;
transformer.SetSpatialReferences(geometrySpatialReference, _spatialReference);
IGeometry geom = transformer.Transform2D(geometry) as IGeometry;
transformer.Release();
return(geom);
}
async private Task <DualTree> SpatialIndex(IFeatureClass fc, int maxPerNode, List <IQueryFilter> filters)
{
if (fc == null || fc.Envelope == null)
{
return(null);
}
if (filters == null)
{
QueryFilter filter = new QueryFilter();
filter.AddField(fc.ShapeFieldName);
filters = new List <IQueryFilter>();
filters.Add(filter);
}
DualTree dualTree = new DualTree(maxPerNode);
foreach (IQueryFilter filter in filters)
{
IFeatureCursor fCursor = await fc.GetFeatures(filter);
if (fCursor == null)
{
_errMsg = "Fatal error: sourcedb query failed...";
return(null);
}
if (ReportAction != null)
{
ReportAction(this, "Calculate spatial index");
}
IEnvelope fcEnvelope = fc.Envelope;
if (_transformer != null)
{
IGeometry geom = _transformer.Transform2D(fcEnvelope) as IGeometry;
if (geom == null)
{
_errMsg = "SpatialIndex: Can't project featureclass extent!";
return(null);
}
fcEnvelope = geom.Envelope;
}
dualTree.CreateTree(fcEnvelope); // hier projezieren
int counter = 0;
IFeature feat;
while ((feat = await fCursor.NextFeature()) != null)
{
if (!_cancelTracker.Continue)
{
break;
}
SHPObject shpObj;
IGeometry shape = feat.Shape;
if (_transformer != null)
{
shape = _transformer.Transform2D(shape) as IGeometry;
}
if (shape != null)
{
shpObj = new SHPObject((int)((uint)feat.OID), shape.Envelope);
}
else
{
shpObj = new SHPObject((int)((uint)feat.OID), null);
}
dualTree.AddShape(shpObj);
if ((counter % 1000) == 0 && ReportProgress != null)
{
ReportProgress(this, counter);
}
counter++;
}
dualTree.FinishIt();
fCursor.Dispose();
if (ReportProgress != null)
{
ReportProgress(this, counter);
}
}
return(dualTree);
}
private bool CopyFeatures(IFeatureClass source, IFeatureUpdater fdb, IFeatureClass dest, FieldTranslation fTrans, List <IQueryFilter> filters)
{
if (filters == null)
{
QueryFilter filter = new QueryFilter();
filter.SubFields = "*";
filters = new List <IQueryFilter>();
filters.Add(filter);
}
int counter = 0;
List <IFeature> features = new List <IFeature>();
foreach (IQueryFilter filter in filters)
{
using (IFeatureCursor cursor = source.GetFeatures(filter))
{
IFeature feature;
while ((feature = cursor.NextFeature) != null)
{
if (fTrans != null)
{
fTrans.RenameFields(feature);
}
if (_transformer != null)
{
feature.Shape = _transformer.Transform2D(feature.Shape) as IGeometry;
}
features.Add(feature);
counter++;
if ((counter % this.FeatureBufferSize) == 0)
{
if (!fdb.Insert(dest, features))
{
_errMsg = "Fatal error: destdb insert failed...\n" + fdb.lastErrorMsg;
return(false);
}
features.Clear();
if (ReportProgress != null)
{
ReportProgress(this, counter);
}
}
}
}
}
if (features.Count > 0)
{
if (!fdb.Insert(dest, features))
{
_errMsg = "Fatal error: destdb insert failed...";
return(false);
}
features.Clear();
if (ReportProgress != null)
{
ReportProgress(this, counter);
}
}
return(true);
}
static private Dictionary <string, object> ParseFeature(string metaId, string category, IFeature feature, Item proto, bool useGeometry, IGeometricTransformer transformer, ImportConfig.FeatureClassDefinition featureClassDef)
{
var replace = featureClassDef.Replacements;
var result = new Dictionary <string, object>();
string oid = feature.OID.ToString();
if (feature.OID <= 0 && !String.IsNullOrWhiteSpace(featureClassDef.ObjectOidField))
{
var idFieldValue = feature.FindField(featureClassDef.ObjectOidField);
if (idFieldValue != null)
{
oid = idFieldValue.Value?.ToString();
}
}
result["id"] = metaId + "." + oid;
result["suggested_text"] = ParseFeatureField(feature, proto.SuggestedText);
result["subtext"] = ParseFeatureField(feature, proto.SubText);
result["thumbnail_url"] = ParseFeatureField(feature, proto.ThumbnailUrl);
result["category"] = category;
if (replace != null)
{
foreach (var r in replace)
{
result["suggested_text"] = result["suggested_text"]?.ToString().Replace(r.From, r.To);
result["subtext"] = result["subtext"]?.ToString().Replace(r.From, r.To);
}
}
if (useGeometry == true && feature.Shape != null)
{
IGeometry shape = feature.Shape;
if (shape is IPoint)
{
IPoint point = (IPoint)transformer.Transform2D(feature.Shape);
//result["longitude"] = point.X;
//result["latitude"] = point.Y;
result["geo"] = new LuceneServerNET.Core.Models.Spatial.GeoPoint()
{
Longidute = point.X,
Latitude = point.Y
};
}
else if (shape is IPolyline)
{
IEnvelope env = shape.Envelope;
if (env != null)
{
IPoint point = Algorithm.PolylinePoint((IPolyline)shape, ((IPolyline)shape).Length / 2.0);
if (point != null)
{
point = (IPoint)transformer.Transform2D(point);
//result["longitude"] = point.X;
//result["latitude"] = point.Y;
result["geo"] = new LuceneServerNET.Core.Models.Spatial.GeoPoint()
{
Longidute = point.X,
Latitude = point.Y
};
}
result["bbox"] = GetBBox(env, transformer);
}
}
else if (shape is IPolygon)
{
IEnvelope env = shape.Envelope;
if (env != null)
{
var points = Algorithm.OrderPoints(Algorithm.PolygonLabelPoints((IPolygon)shape), env.Center);
if (points != null && points.PointCount > 0)
{
IPoint point = (IPoint)transformer.Transform2D(points[0]);
//result["longitude"] = point.X;
//result["latitude"] = point.Y;
result["geo"] = new LuceneServerNET.Core.Models.Spatial.GeoPoint()
{
Longidute = point.X,
Latitude = point.Y
};
}
result["bbox"] = GetBBox(env, transformer);
}
}
}
return(result);
}
static private Item ParseFeature(string metaId, string category, IFeature feature, Item proto, bool useGeometry, IGeometricTransformer transformer, ImportConfig.FeatureClassDefinition featureClassDef)
{
var replace = featureClassDef.Replacements;
var result = new Item();
string oid = feature.OID.ToString();
if (feature.OID <= 0 && !String.IsNullOrWhiteSpace(featureClassDef.ObjectOidField))
{
var idFieldValue = feature.FindField(featureClassDef.ObjectOidField);
if (idFieldValue != null)
{
oid = idFieldValue.Value?.ToString();
}
}
result.Id = metaId + "." + oid;
result.SuggestedText = ParseFeatureField(feature, proto.SuggestedText);
result.SubText = ParseFeatureField(feature, proto.SubText);
result.ThumbnailUrl = ParseFeatureField(feature, proto.ThumbnailUrl);
result.Category = category;
if (replace != null)
{
foreach (var r in replace)
{
result.SuggestedText = result.SuggestedText?.Replace(r.From, r.To);
result.SubText = result.SubText?.Replace(r.From, r.To);
}
}
if (useGeometry == true && feature.Shape != null)
{
IGeometry shape = feature.Shape;
if (shape is IPoint)
{
IPoint point = (IPoint)transformer.Transform2D(feature.Shape);
result.Geo = new Nest.GeoLocation(point.Y, point.X);
}
else if (shape is IPolyline)
{
IEnvelope env = shape.Envelope;
if (env != null)
{
IPoint point = Algorithm.PolylinePoint((IPolyline)shape, ((IPolyline)shape).Length / 2.0);
if (point != null)
{
point = (IPoint)transformer.Transform2D(point);
result.Geo = new Nest.GeoLocation(point.Y, point.X);
}
result.BBox = GetBBox(env, transformer);
}
}
else if (shape is IPolygon)
{
IEnvelope env = shape.Envelope;
if (env != null)
{
var points = Algorithm.OrderPoints(Algorithm.PolygonLabelPoints((IPolygon)shape), env.Center);
if (points != null && points.PointCount > 0)
{
IPoint point = (IPoint)transformer.Transform2D(points[0]);
result.Geo = new Nest.GeoLocation(point.Y, point.X);
}
result.BBox = GetBBox(env, transformer);
}
}
}
return(result);
}
