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);
}
private static GeoJSON.Net.Feature.Feature MakeFeatureWithRelevantProperties(County county)
{
var feature = DbGeometryToGeoJsonHelper.FromDbGeometryWithReprojectionCheck(county.CountyFeature);
feature.Properties.Add("State", county.StateProvince.StateProvinceAbbreviation);
feature.Properties.Add("County", county.CountyName);
return(feature);
}
public static GeoJSON.Net.Feature.FeatureCollection ToGeoJsonFeatureCollection(this IEnumerable <DelineationGeometryStaging> delineationGeometryStagings)
{
var featureCollection = new GeoJSON.Net.Feature.FeatureCollection();
featureCollection.Features.AddRange(delineationGeometryStagings.Select(x =>
{
var feature = DbGeometryToGeoJsonHelper.FromDbGeometryWithReprojectionCheck(DbGeometry.FromText(""));
feature.Properties.Add("FeatureWeight", 1);
feature.Properties.Add("FillPolygon", true);
feature.Properties.Add("FeatureColor", "#405d74");
feature.Properties.Add("FillOpacity", "0.2");
return(feature);
}));
return(featureCollection);
}
public static LayerGeoJson GetTransectLineLayerGeoJson(this Models.OnlandVisualTrashAssessmentArea onlandVisualTrashAssessmentArea)
{
if (onlandVisualTrashAssessmentArea.TransectLine != null)
{
var featureCollection = new FeatureCollection();
var feature = DbGeometryToGeoJsonHelper.FromDbGeometryWithReprojectionCheck(onlandVisualTrashAssessmentArea.TransectLine);
featureCollection.Features.AddRange(new List <Feature> {
feature
});
LayerGeoJson transectLineLayerGeoJson = new LayerGeoJson("transectLine", featureCollection, "#000000",
1,
LayerInitialVisibility.Show);
return(transectLineLayerGeoJson);
}
return(null);
}
public static LayerGeoJson GetAssessmentAreaLayerGeoJson(this OnlandVisualTrashAssessment onlandVisualTrashAssessment, bool reduce)
{
FeatureCollection geoJsonFeatureCollection;
if (onlandVisualTrashAssessment.OnlandVisualTrashAssessmentArea != null)
{
geoJsonFeatureCollection =
new List <OnlandVisualTrashAssessmentArea> {
onlandVisualTrashAssessment.OnlandVisualTrashAssessmentArea
}
.ToGeoJsonFeatureCollection();
}
else if (onlandVisualTrashAssessment.DraftGeometry != null)
{
var draftGeometry = onlandVisualTrashAssessment.DraftGeometry;
geoJsonFeatureCollection = new FeatureCollection();
// Leaflet.Draw does not support multipolgyon editing because its dev team decided it wasn't necessary.
// Unless https://github.com/Leaflet/Leaflet.draw/issues/268 is resolved, we have to break into separate polys.
// On an unrelated note, DbGeometry.ElementAt is 1-indexed instead of 0-indexed, which is terrible.
for (var i = 1; i <= draftGeometry.ElementCount.GetValueOrDefault(); i++)
{
var dbGeometry = draftGeometry.ElementAt(i);
if (reduce)
{
// Reduce is SQL Server's implementation of the Douglas–Peucker downsampling algorithm
dbGeometry = dbGeometry.ToSqlGeometry().Reduce(.0000025).ToDbGeometry().FixSrid(CoordinateSystemHelper.NAD_83_HARN_CA_ZONE_VI_SRID);
}
var feature = DbGeometryToGeoJsonHelper.FromDbGeometryWithReprojectionCheck(dbGeometry);
geoJsonFeatureCollection.Features.Add(feature);
}
}
else
{
geoJsonFeatureCollection = new FeatureCollection();
}
var assessmentAreaLayerGeoJson = new LayerGeoJson("parcels", geoJsonFeatureCollection,
"#ffff00", .5m,
LayerInitialVisibility.Show);
return(assessmentAreaLayerGeoJson);
}
private ViewResult ViewDetail(RegionalSubbasinRevisionRequest regionalSubbasinRevisionRequest)
{
var geometry = regionalSubbasinRevisionRequest.RegionalSubbasinRevisionRequestGeometry;
var feature = DbGeometryToGeoJsonHelper.FromDbGeometryWithReprojectionCheck(geometry);
var layerGeoJson = new LayerGeoJson("centralizedDelineationLayer",
new FeatureCollection(new List <Feature> {
feature
}), "#ffff00", .5m, LayerInitialVisibility.Show);
var mapInitJson = new RegionalSubbasinRevisionRequestMapInitJson("revisionRequestMap",
MapInitJson.DefaultZoomLevel, new List <LayerGeoJson>(),
new BoundingBox(new List <DbGeometry> {
geometry
}), layerGeoJson);
var viewData = new DetailViewData(CurrentPerson, regionalSubbasinRevisionRequest, mapInitJson);
return(RazorView <Detail, DetailViewData>(viewData));
}
public ContentResult Union(UnionOfParcelsViewModel viewModel)
{
var unionOfParcels = HttpRequestStorage.DatabaseEntities.Parcels
.Where(x => viewModel.ParcelIDs.Contains(x.ParcelID)).Select(x => x.ParcelGeometry).ToList()
.UnionListGeometries();
var featureCollection = new FeatureCollection();
// Leaflet.Draw does not support multipolgyon editing because its dev team decided it wasn't necessary.
// Unless https://github.com/Leaflet/Leaflet.draw/issues/268 is resolved, we have to break into separate polys.
// On an unrelated note, DbGeometry.ElementAt is 1-indexed instead of 0-indexed, which is terrible.
for (var i = 1; i <= unionOfParcels.ElementCount.GetValueOrDefault(); i++)
{
var dbGeometry = unionOfParcels.ElementAt(i);
// Reduce is SQL Server's implementation of the Douglas–Peucker downsampling algorithm
dbGeometry = dbGeometry.ToSqlGeometry().Reduce(.0000025).ToDbGeometry();
var feature = DbGeometryToGeoJsonHelper.FromDbGeometryWithReprojectionCheck(dbGeometry);
featureCollection.Features.Add(feature);
}
return(Content(JObject.FromObject(featureCollection).ToString(Formatting.None)));
}