public int CountSelection(QueryFilter filter = null)
{
if (filter == null)
{
return(SelectionCount);
}
var selection = _layer.GetSelection();
var filtered = selection.Select(filter);
return(filtered.GetCount());
}
public static IEnumerable <Feature> GetSelectedFeatures([CanBeNull] BasicFeatureLayer layer)
{
Selection selection = layer?.GetSelection();
if (selection == null)
{
yield break;
}
RowCursor cursor = selection.Search(null, false);
try
{
while (cursor.MoveNext())
{
var feature = (Feature)cursor.Current;
yield return(feature);
}
}
finally
{
cursor.Dispose();
}
}
/// <summary>
/// Get Selected Guid From Active Map
/// </summary>
/// <returns>Collection of GUID</returns>
internal static List <Guid> GetSelectedGuidFromActiveMap()
{
List <Guid> listIds = new List <Guid>();
Map map = MapView.Active.Map;
Dictionary <MapMember, List <long> > selected = map.GetSelection().ToDictionary();
foreach (var v in selected)
{
if (v.Key.GetType() == typeof(FeatureLayer))
{
FeatureLayer fl = v.Key as FeatureLayer;
Selection sel = fl.GetSelection();
//Table table = fl.GetTable();
QueryFilter queryFilter = new QueryFilter
{
ObjectIDs = sel.GetObjectIDs(),
SubFields = "*"
};
RowCursor cursor = sel.Search(queryFilter);
while (cursor.MoveNext())
{
Row row = cursor.Current;
listIds.Add(row.GetGlobalID());
}
}
else if (v.Key.GetType() == typeof(BasicFeatureLayer))
{
BasicFeatureLayer fl = v.Key as BasicFeatureLayer;
Selection sel = fl.GetSelection();
if (sel.SelectionType == SelectionType.GlobalID)
{
listIds.AddRange(sel.GetGlobalIDs());
}
else
{
listIds.AddRange(GetGuidFromLayer(fl, sel));
}
}
}
return(listIds);
}
/// <summary>
/// Get the selected features GUID from the active map
/// </summary>
/// <returns>List of GUID</returns>
internal static List <Guid> GetSelectedGuidFromActiveMap()
{
List <Guid> listIds = new List <Guid>();
Map map = MapView.Active.Map;
SelectionSet selected = map.GetSelection();
foreach (var v in selected.ToDictionary())
{
if (v.Key.GetType() == typeof(FeatureLayer))
{
FeatureLayer fl = v.Key as FeatureLayer;
Selection sel = fl.GetSelection();
if (sel.SelectionType == ArcGIS.Core.Data.SelectionType.GlobalID)
{
listIds.AddRange(sel.GetGlobalIDs());
}
else
{
listIds.AddRange(GetGuidFromLayer(fl, sel));
}
}
else if (v.Key.GetType() == typeof(BasicFeatureLayer))
{
BasicFeatureLayer fl = v.Key as BasicFeatureLayer;
Selection sel = fl.GetSelection();
if (sel.SelectionType == ArcGIS.Core.Data.SelectionType.GlobalID)
{
listIds.AddRange(sel.GetGlobalIDs());
}
else
{
listIds.AddRange(GetGuidFromLayer(fl, sel));
}
}
}
return(listIds);
}
protected override async void OnClick()
{
SharedFunctions.Log("Search for candidate dams started");
pointsIntervalOnContour = Convert.ToInt32(Parameter.PointIntervalBox.Text);
DateTime startTime = DateTime.Now;
chosenCandidates = new List <CandidateDam>();
PotentialCandidates = 0;
var pd = new ProgressDialog("Search for candidate dams", "Canceled", 100, false);
cps = new CancelableProgressorSource(pd);
cps.Progressor.Max = 100;
PointsAnalyzed = 0;
TotalPointsCount = 0;
try
{
await Project.Current.SaveEditsAsync();
BasicFeatureLayer layer = null;
await QueuedTask.Run(async() =>
{
if (!SharedFunctions.LayerExists("ContourPoints"))
{
return;
}
CancellationToken ctoken = new CancellationToken();
//create line feature layer if it does not exist
BasicFeatureLayer damCandidatesLayer = await CreateDamFeatureClass("DamCandidates");
var contourPointsLayer = MapView.Active.Map.FindLayers("ContourPoints").FirstOrDefault();
layer = contourPointsLayer as BasicFeatureLayer;
// store the spatial reference of the current layer
SpatialReference = layer.GetSpatialReference();
//Cursor for selected points
RowCursor cursor = layer.GetSelection().Search();
//If no selection was set, use full points layer
if (layer.GetSelection().GetCount() == 0)
{
cursor = layer.Search();
}
Dictionary <int, SortedDictionary <int, SortedDictionary <long, MapPoint> > > contourHeights = new Dictionary <int, SortedDictionary <int, SortedDictionary <long, MapPoint> > >();
cps.Progressor.Status = "Loading ContourPoints into memory";
SharedFunctions.Log("Loading all ContourPoints into memory");
while (cursor.MoveNext())
{
if (ctoken.IsCancellationRequested)
{
SharedFunctions.Log("Canceled");
return;
}
using (Row row = cursor.Current)
{
var point = row[1] as MapPoint;
var pointID = (int)row[0];
var contourHeight = (int)(double)row[4];
var contourID = (int)row[2];
if (!ContourLengths.ContainsKey(contourID))
{
ContourLengths.Add(contourID, (double)row["Shape_Length"]);
}
if (!contourHeights.ContainsKey((int)contourHeight))
{
contourHeights.Add((int)contourHeight, new SortedDictionary <int, SortedDictionary <long, MapPoint> >());
}
if (!contourHeights[contourHeight].ContainsKey((int)contourID))
{
contourHeights[contourHeight].Add((int)contourID, new SortedDictionary <long, MapPoint>());
}
contourHeights[contourHeight][(int)contourID].Add(pointID, point);
TotalPointsCount++;
}
}
cps.Progressor.Status = "Analyze Contours";
SharedFunctions.Log("Analyze Contours");
bool multiThreading = (Parameter.MultiThreadingBox == null || !Parameter.MultiThreadingBox.IsChecked.HasValue || Parameter.MultiThreadingBox.IsChecked.Value);
if (multiThreading)
{
HeightsToProcess = contourHeights.Keys.ToList();
int ThreadCount = Math.Min(HeightsToProcess.Count, Environment.ProcessorCount);
SharedFunctions.Log("Divided work into " + ThreadCount + " threads...");
await Task.WhenAll(Enumerable.Range(1, ThreadCount).Select(c => Task.Run(
() =>
{
while (HeightsToProcess.Count > 0) // && !ctoken.IsCancellationRequested)
{
int height = -1;
lock (HeightsToProcess)
{
height = HeightsToProcess.FirstOrDefault();
if (height != 0)
{
HeightsToProcess.Remove(height);
}
}
if (height != -1)
{
var calc = new Dictionary <int, SortedDictionary <int, SortedDictionary <long, MapPoint> > >();
calc.Add(height, contourHeights[height]);
AnalyseContourHeights(calc, ctoken);
}
}
}
, ctoken))
);
}
else
{
//Single Thread:
AnalyseContourHeights(contourHeights, ctoken);
}
cps.Progressor.Status = "Saving all " + chosenCandidates.Count + " candidates";
SharedFunctions.Log("Saving all " + chosenCandidates.Count + " candidates");
foreach (var candidate in chosenCandidates)
{
if (ctoken.IsCancellationRequested)
{
SharedFunctions.Log("Canceled");
return;
}
//Create coordinates for Polyline Feature with height ContourHeight + 5 Meters!
List <Coordinate3D> coordinates = new List <Coordinate3D>()
{
new Coordinate3D(candidate.StartPoint.X, candidate.StartPoint.Y, candidate.ContourHeight + 5),
new Coordinate3D(candidate.EndPoint.X, candidate.EndPoint.Y, candidate.ContourHeight + 5)
};
//save all selected candidates into the db
var attributes = new Dictionary <string, object>
{
{ "Shape", PolylineBuilder.CreatePolyline(coordinates) },
{ "ContourID", (long)candidate.ContourID },
{ "StartPointID", (long)candidate.StartPointID },
{ "EndPointID", (long)candidate.EndPointID },
{ "ContourHeight", (short)candidate.ContourHeight },
{ "LengthRating", (float)candidate.Rating },
{ "DistanceOnLine", (long)candidate.DistanceOnLine },
{ "Length", (short)candidate.Length },
{ "StartPointDistance", (long)candidate.StartPointDistance },
{ "EndPointDistance", (long)candidate.EndPointDistance },
{ "DamSpansContourStart", (short)(candidate.DamSpansContourStart ? 1 : 0) }
};
var editOp = new EditOperation()
{
Name = "Create dam candidate", SelectNewFeatures = false
};
editOp.Create(damCandidatesLayer, attributes);
////Execute the operations
editOp.Execute();
}
}, cps.Progressor);
//save all edits
await Project.Current.SaveEditsAsync();
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
finally
{
DateTime endTime = DateTime.Now;
SharedFunctions.Log("Analysed " + PotentialCandidates.ToString("N0") + " candidates ( " + chosenCandidates.Count.ToString("N0") + " selected) in " + (endTime - startTime).TotalSeconds.ToString("N") + " seconds");
}
}
private async static void Visualize(BasicFeatureLayer dam3dLayer, BasicFeatureLayer reservoirVisLayer, BasicFeatureLayer reservoirSurfacesLayer, BasicFeatureLayer damLayer)
{
SharedFunctions.DeleteAllFeatures(reservoirVisLayer);
SharedFunctions.DeleteAllFeatures(dam3dLayer);
List <long> damIDs = new List <long>();
var reservoirPairsLayer = MapView.Active.Map.FindLayers("ReservoirPairs").FirstOrDefault();
if (reservoirPairsLayer != null && ((BasicFeatureLayer)reservoirPairsLayer).SelectionCount > 0)
{
var reservoirPairsCursor = ((BasicFeatureLayer)reservoirPairsLayer).GetSelection().Search();
while (reservoirPairsCursor.MoveNext())
{
using (Row row = reservoirPairsCursor.Current)
{
int damId = (int)row["LowerDamId"];
if (!damIDs.Contains(damId))
{
damIDs.Add(damId);
}
damId = (int)row["UpperDamId"];
if (!damIDs.Contains(damId))
{
damIDs.Add(damId);
}
}
}
}
if (damLayer.SelectionCount > 0)
{
var damCursor = damLayer.GetSelection().Search();
while (damCursor.MoveNext())
{
using (Row row = damCursor.Current)
{
int damId = (int)row["ObjectID"];
if (!damIDs.Contains(damId))
{
damIDs.Add(damId);
}
}
}
}
List <CandidateDam> candidates = new List <CandidateDam>();
SharedFunctions.LoadDamCandidatesFromLayer(candidates, damLayer);
foreach (var dam in candidates.Where(c => damIDs.Contains(c.ObjectID)).ToList())
{
double contourHeight = dam.ContourHeight;
try
{
MapPoint startPoint = dam.StartPoint;
MapPoint endPoint = dam.EndPoint;
double damHeight = (double)dam.DamHeight;
double damLength = (double)dam.Length;
Coordinate3D coord1 = startPoint.Coordinate3D;
int factor = ((startPoint.Y <endPoint.Y && startPoint.X> endPoint.X) ||
(startPoint.Y > endPoint.Y && startPoint.X < endPoint.X)
) ? 1 : -1;
Coordinate3D coord2 = new Coordinate3D(coord1.X + factor * damHeight / damLength * Math.Abs(startPoint.Y - endPoint.Y) //X
, coord1.Y + damHeight / damLength * Math.Abs(startPoint.X - endPoint.X) //Y
, coord1.Z - damHeight); //Z
Coordinate3D coord3 = new Coordinate3D(coord1.X - factor * damHeight / damLength * Math.Abs(startPoint.Y - endPoint.Y) //X
, coord1.Y - damHeight / damLength * Math.Abs(startPoint.X - endPoint.X) //Y
, coord1.Z - damHeight); //Z
//Workaround for Bug in ArcGIS Pro 2.4.1: if values are equal, extrusion will fail
coord2.X += 0.1;
coord2.Y += 0.1;
coord3.X += 0.1;
coord3.Y += 0.1;
List <Coordinate3D> coords = new List <Coordinate3D>();
coords.Add(coord1);
coords.Add(coord2);
coords.Add(coord3);
var newPolygon3D = PolygonBuilder.CreatePolygon(coords, SpatialReference);
Coordinate3D coord = new Coordinate3D(endPoint.X - startPoint.X, endPoint.Y - startPoint.Y, 0.1);
var multipatch = GeometryEngine.Instance.ConstructMultipatchExtrudeAlongVector3D(newPolygon3D, coord);
var attributes2 = new Dictionary <string, object>
{
{ "Shape", multipatch },
{ "DamID", (long)dam.ObjectID }
};
var createOperation2 = new EditOperation()
{
Name = "Create multipatch", SelectNewFeatures = false
};
createOperation2.Create(dam3dLayer, attributes2);
await createOperation2.ExecuteAsync();
//add SurfacePolygon to Visualization:
var queryFilter = new QueryFilter {
WhereClause = string.Format("DamID = {0}", dam.ObjectID)
};
var surfaceCursor = reservoirSurfacesLayer.Select(queryFilter).Search();
if (surfaceCursor.MoveNext())
{
using (Row row = surfaceCursor.Current)
{
var polygon = (row as Feature).GetShape() as Polygon;
attributes2 = new Dictionary <string, object>
{
{ "Shape", polygon },
{ "DamID", (long)dam.ObjectID }
};
var createOperationSurface = new EditOperation()
{
Name = "Create surface", SelectNewFeatures = false
};
createOperationSurface.Create(reservoirVisLayer, attributes2);
await createOperationSurface.ExecuteAsync();
}
}
}
catch (Exception ex)
{
SharedFunctions.Log("Error for 3D Dam with DamID " + dam.ObjectID + ": " + ex.Message);
}
SharedFunctions.Log("3D Dam created for Dam " + dam.ObjectID);
}
await Project.Current.SaveEditsAsync();
}
//Using Inspector...
internal async void UpdateAnnotation()
{
BasicFeatureLayer annoLayer = MapView.Active.Map.GetLayersAsFlattenedList().First() as BasicFeatureLayer;
var oid = 1;
#region Update Annotation Text
await QueuedTask.Run(() =>
{
//annoLayer is ~your~ Annotation layer...
// use the inspector methodology
var insp = new Inspector(true);
insp.Load(annoLayer, oid);
// get the annotation properties
AnnotationProperties annoProperties = insp.GetAnnotationProperties();
// set the attribute
annoProperties.TextString = "Hello World";
// assign the annotation proeprties back to the inspector
insp.SetAnnotationProperties(annoProperties);
//create and execute the edit operation
EditOperation op = new EditOperation();
op.Name = "Update annotation";
op.Modify(insp);
op.Execute();
});
#endregion
#region Modify Annotation Shape
await QueuedTask.Run(() =>
{
//Don't use 'Shape'....Shape is the bounding box of the annotation text. This is NOT what you want...
//
//var insp = new Inspector();
//insp.Load(annoLayer, oid);
//var shape = insp["SHAPE"] as Polygon;
//...wrong shape...
//Instead, we must use the AnnotationProperties
//annoLayer is ~your~ Annotation layer
var insp = new Inspector(true);
insp.Load(annoLayer, oid);
AnnotationProperties annoProperties = insp.GetAnnotationProperties();
var shape = annoProperties.Shape;
if (shape.GeometryType != GeometryType.GeometryBag)
{
var newGeometry = GeometryEngine.Instance.Move(shape, 10, 10);
annoProperties.Shape = newGeometry;
insp.SetAnnotationProperties(annoProperties);
EditOperation op = new EditOperation();
op.Name = "Change annotation angle";
op.Modify(insp);
op.Execute();
}
});
#endregion
#region Modify Annotation Text Graphic
await QueuedTask.Run(() =>
{
var selection = annoLayer.GetSelection();
if (selection.GetCount() == 0)
{
return;
}
// use the first selelcted feature
var insp = new Inspector(true);
insp.Load(annoLayer, selection.GetObjectIDs().FirstOrDefault());
// getAnnoProperties should return null if not an annotation feature
AnnotationProperties annoProperties = insp.GetAnnotationProperties();
// get the textGraphic
CIMTextGraphic textGraphic = annoProperties.TextGraphic;
// change text
textGraphic.Text = "Hello world";
// set x,y offset via the symbol
var symbol = textGraphic.Symbol.Symbol;
var textSymbol = symbol as CIMTextSymbol;
textSymbol.OffsetX = 2;
textSymbol.OffsetY = 3;
textSymbol.HorizontalAlignment = HorizontalAlignment.Center;
// load the updated textGraphic
annoProperties.LoadFromTextGraphic(textGraphic);
// assign the annotation properties back
insp.SetAnnotationProperties(annoProperties);
EditOperation op = new EditOperation();
op.Name = "modify symbol";
op.Modify(insp);
bool result = op.Execute();
});
#endregion
}
/// <summary>
/// マップ内の選択状態が変わった場合に発生
/// </summary>
private void OnMapSelectionChanged(MapSelectionChangedEventArgs args)
{
var mapView = MapView.Active;
if (mapView == null)
{
return;
}
RemoveFromMapOverlay();
// アノテーション操作タブの場合
if (_tabPage == 2)
{
QueuedTask.Run(() =>
{
var selection = mapView.Map.GetSelection();
// 選択しているフィーチャクラスがある場合
if (selection.Count > 0)
{
var featureLayer = selection.FirstOrDefault().Key as BasicFeatureLayer;
// アノテーションの場合
if (featureLayer.GetType().Name == "AnnotationLayer")
{
var table = featureLayer.GetTable();
var feature = featureLayer.GetSelection();
// OBJECTIDを指定
QueryFilter queryFilter = new QueryFilter
{
WhereClause = "ObjectId =" + feature.GetObjectIDs().First(),
};
// 複数選択した場合は最初に取得したアノテーションの角度を使用する
using (RowCursor rowCursor = table.Search(queryFilter))
{
rowCursor.MoveNext();
using (Row row = rowCursor.Current)
{
// 角度取得
Angle = Convert.ToDouble(row["Angle"]);
}
}
}
}
});
}
else
{
QueuedTask.Run(() =>
{
// レイヤーを選択していない場合
if (_selectedFeatureLayer == null)
{
return;
}
try
{
var listColumnNames = new List <KeyValuePair <string, string> >();
var listValues = new List <List <string> >();
// 選択したフィーチャを処理する
using (var rowCursor = _selectedFeatureLayer.GetSelection().Search(null))
{
bool bDefineColumns = true;
while (rowCursor.MoveNext())
{
var anyRow = rowCursor.Current;
if (bDefineColumns)
{
// 選択したフィーチャのフィールドを取得
foreach (var fld in anyRow.GetFields().Where(fld => fld.FieldType != FieldType.Geometry))
{
listColumnNames.Add(new KeyValuePair <string, string>(fld.Name, fld.AliasName));
}
}
// 選択したフィーチャの属性を取得
var newRow = new List <string>();
foreach (var fld in anyRow.GetFields().Where(fld => fld.FieldType != FieldType.Geometry))
{
newRow.Add((anyRow[fld.Name] == null) ? string.Empty : anyRow[fld.Name].ToString());
}
listValues.Add(newRow);
bDefineColumns = false;
}
}
// DataGridにカラムを設定
SelectedFeatureDataTable = new DataTable();
foreach (var col in listColumnNames)
{
SelectedFeatureDataTable.Columns.Add(new DataColumn(col.Key, typeof(string))
{
Caption = col.Value
});
}
// DataGridに選択したフィーチャの属性を格納
foreach (var row in listValues)
{
var newRow = SelectedFeatureDataTable.NewRow();
newRow.ItemArray = row.ToArray();
SelectedFeatureDataTable.Rows.Add(newRow);
}
if (_selectedFeatureDataTable.Rows.Count > 0)
{
// ズーム
ZoomToSelection();
}
// データが多い場合たまにDataGridにデータが表示されないことがある。これで回避。
NotifyPropertyChanged(() => SelectedFeatureDataTable);
}
catch (Exception)
{
MessageBox.Show("フィーチャ属性の抽出に失敗しました。");
}
});
}
}
protected async void Button_Click(object sender, RoutedEventArgs e)
{
gesture = new List <Point>();
sketchPad.Children.Clear();
try
{
BasicFeatureLayer layer = null;
List <Inspector> inspList = new List <Inspector>();
Inspector inspector = null;
await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
//find selected layer
if (MapView.Active.GetSelectedLayers().Count == 0)
{
//MessageBox.Show("Select a feature class from the Content 'Table of Content' first.");
return;
}
layer = MapView.Active.GetSelectedLayers()[0] as BasicFeatureLayer;
// get selected features from the map
var features = layer.GetSelection();
if (features.GetCount() == 0)
{
return;
/*ToDo : add error msg: no feature selected*/
}
// get ids of all the selected features
var featOids = features.GetObjectIDs();
if (featOids.Count == 0)
{/* ToDo : something is wrong*/
}
// adding the inspectors to a list so that separate id values can be assigned later
for (int i = 0; i < featOids.Count; i++)
{
var insp = new Inspector();
insp.Load(layer, featOids.ElementAt(i));
inspList.Add(insp);
}
inspector = new Inspector();
inspector.Load(layer, featOids);
});
if (layer == null)
{
}
//MessageBox.Show("Unable to find a feature class at the first layer of the active map");
else
{
//update the attributes of those features
// make sure tha attribute exists
ArcGIS.Desktop.Editing.Attributes.Attribute att = inspector.FirstOrDefault(a => a.FieldName == "UID");
if (att == null)
{
// if the attribute doesn't exist we create a new field
var dataSource = await GetDataSource(layer);
//MessageBox.Show($@"{dataSource} was found ... adding a new Field");
await
ExecuteAddFieldTool(layer, new KeyValuePair <string, string>("UID", "uniqueId"), "Text", 50);
}
await ArcGIS.Desktop.Framework.Threading.Tasks.QueuedTask.Run(() =>
{
// we add values of ids to the selected features
for (int i = 0; i < inspList.Count; i++)
{
if (inspList.ElementAt(i)["UID"] == null || (String)inspList.ElementAt(i)["UID"] == String.Empty)
{
// putting a random string now, this should be replaced by the tag user puts in after the recognition part is done.
inspList.ElementAt(i)["UID"] = "newAtr" + attributeIndex++;
var op = new EditOperation();
op.Name = "Update";
op.SelectModifiedFeatures = true;
op.SelectNewFeatures = false;
op.Modify(inspList.ElementAt(i));
op.Execute();
}
}
/* var att2 = insp.Select(a => a.FieldName == "UID");
* var att3 = insp.GroupBy(a => a.FieldName == "UID");
* var att4 = insp.Any(a => a.FieldName == "UID");
* var att5 = insp.Where(a => a.FieldName == "UID")*/
//insp["UID"] = "newAtr";
});
}
}
catch (Exception ex)
{
//MessageBox.Show(ex.ToString());
}
}