public static LayerGeoJson GetTransectLineLayerGeoJson(this OnlandVisualTrashAssessment onlandVisualTrashAssessment)
{
LayerGeoJson transsectLineLayerGeoJson;
if (onlandVisualTrashAssessment.OnlandVisualTrashAssessmentArea?.TransectLine != null)
{
transsectLineLayerGeoJson = onlandVisualTrashAssessment.OnlandVisualTrashAssessmentArea
.GetTransectLineLayerGeoJson();
}
else
{
var featureCollection = new FeatureCollection();
var dbGeometry = onlandVisualTrashAssessment.GetTransect();
if (dbGeometry == null)
{
return(null);
}
var feature = DbGeometryToGeoJsonHelper.FromDbGeometryWithReprojectionCheck(dbGeometry.ToSqlGeometry().MakeValid().ToDbGeometry());
featureCollection.Features.AddRange(new List <Feature> {
feature
});
transsectLineLayerGeoJson = new LayerGeoJson("transectLine", featureCollection, "#000000",
1,
LayerInitialVisibility.Show);
}
return(transsectLineLayerGeoJson);
}
public static IQueryable <Parcel> GetParcelsViaTransect(this OnlandVisualTrashAssessment ovta)
{
if (!ovta.OnlandVisualTrashAssessmentObservations.Any())
{
return(new List <Parcel>().AsQueryable());
}
var transect = ovta.OnlandVisualTrashAssessmentObservations.Count == 1
? ovta.OnlandVisualTrashAssessmentObservations.Single().LocationPoint // don't attempt to calculate the transect
: ovta.GetTransect();
return(HttpRequestStorage.DatabaseEntities.Parcels.Where(x => x.ParcelGeometry.Intersects(transect)));
}