/// <inheritdoc />
public Dictionary <string, List <Feature> > Preprocess(Dictionary <string, List <ICompleteOsmGeo> > osmNamesDictionary)
{
_logger.LogInformation("Preprocessing OSM data to GeoJson, total distict names: " + osmNamesDictionary.Keys.Count);
var geoJsonNamesDictionary = new Dictionary <string, List <Feature> >();
foreach (var pair in osmNamesDictionary)
{
var osmList = MergeOsmElements(pair.Value)
.Select(e => _osmGeoJsonConverter.ToGeoJson(e))
.Where(f => f != null)
.ToList();
if (osmList.Any())
{
geoJsonNamesDictionary[pair.Key] = osmList;
}
}
geoJsonNamesDictionary.Values.SelectMany(v => v).ToList().ForEach(g =>
{
var isValidOp = new NetTopologySuite.Operation.Valid.IsValidOp(g.Geometry);
if (!isValidOp.IsValid)
{
_logger.LogError($"{g.Geometry.GeometryType} with ID: {g.Attributes[FeatureAttributes.ID]} {isValidOp.ValidationError.Message} ({isValidOp.ValidationError.Coordinate.X},{isValidOp.ValidationError.Coordinate.Y})");
}
});
_logger.LogInformation("Finished converting OSM data to GeoJson, Starting GeoJson preprocessing");
var containers = geoJsonNamesDictionary.Values.SelectMany(v => v).Where(f =>
!(f.Geometry is MultiLineString) &&
!(f.Geometry is LineString) &&
!(f.Geometry is MultiPoint) &&
!(f.Geometry is Point)).ToList();
_logger.LogInformation("Total possible containers: " + containers.Count);
var counter = 0;
foreach (var features in geoJsonNamesDictionary.Values)
{
PreprocessGeoJson(features, containers);
counter++;
if (counter % 5000 == 0)
{
_logger.LogInformation($"Finished processing {counter} names of {geoJsonNamesDictionary.Values.Count}");
}
}
_logger.LogInformation("Finished GeoJson preprocessing");
return(geoJsonNamesDictionary);
}
/// <inheritdoc />
public List <Feature> Preprocess(Dictionary <string, List <ICompleteOsmGeo> > osmNamesDictionary)
{
_logger.LogInformation("Preprocessing OSM data to GeoJson, total distinct names: " + osmNamesDictionary.Keys.Count);
var geoJsonNamesDictionary = new Dictionary <string, List <Feature> >();
foreach (var pair in osmNamesDictionary)
{
var features = MergeOsmElements(pair.Value)
.Select(e =>
{
var feature = _osmGeoJsonConverter.ToGeoJson(e);
if (feature == null)
{
_logger.LogError("Unable to convert " + e.ToString());
}
return(feature);
})
.Where(f => f != null)
.ToList();
if (!features.Any())
{
continue;
}
AddAttributes(features);
geoJsonNamesDictionary[pair.Key] = features;
}
geoJsonNamesDictionary.Values.SelectMany(v => v).ToList().ForEach(g =>
{
var isValidOp = new IsValidOp(g.Geometry);
if (!isValidOp.IsValid)
{
_logger.LogError($"{g.Geometry.GeometryType} with ID: {g.Attributes[FeatureAttributes.ID]} {isValidOp.ValidationError.Message} ({isValidOp.ValidationError.Coordinate.X},{isValidOp.ValidationError.Coordinate.Y})");
}
if (g.Geometry.IsEmpty)
{
_logger.LogError($"{g.Geometry.GeometryType} with ID: {g.Attributes[FeatureAttributes.ID]} is an empty geometry - check for non-closed relations.");
}
});
_logger.LogInformation("Finished GeoJson conversion");
var featuresToReturn = geoJsonNamesDictionary.SelectMany(v => v.Value).ToList();
ChangeLwnHikingRoutesToNoneCategory(featuresToReturn);
return(featuresToReturn);
}