GetParcelPolygonLayerByTypeNameAsync Method
Gets the polygon layer(s) for the given parcel type name.
Parameters
- parcelLayer
- The parcel layer.
- typeName
- The parcel type name to retrieve layers.
Return Value
A Task to the set of polygon layers.
Copy standard line features into a parcel type
string errorMessage = await QueuedTask.Run(async () =>
{
// check for selected layer
if (MapView.Active.GetSelectedLayers().Count == 0)
return "Please select a target parcel polygon layer in the table of contents.";
//get the feature layer that's selected in the table of contents
var destPolygonL = MapView.Active.GetSelectedLayers().OfType<FeatureLayer>().FirstOrDefault();
try
{
var myParcelFabricLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType<ParcelLayer>().FirstOrDefault();
//if there is no fabric in the map then bail
if (myParcelFabricLayer == null)
return "There is no fabric in the map.";
var pRec = myParcelFabricLayer.GetActiveRecord();
if (pRec == null)
return "There is no Active Record. Please set the active record and try again.";
string ParcelTypeName = "";
IEnumerable<string> parcelTypeNames = await myParcelFabricLayer.GetParcelTypeNamesAsync();
foreach (string parcelTypeNm in parcelTypeNames)
{
var polygonLyrParcelTypeEnum = await myParcelFabricLayer.GetParcelPolygonLayerByTypeNameAsync(parcelTypeNm);
foreach (FeatureLayer lyr in polygonLyrParcelTypeEnum)
if (lyr == destPolygonL)
{
ParcelTypeName = parcelTypeNm;
break;
}
}
if (String.IsNullOrEmpty(ParcelTypeName))
return "Please select a target parcel polygon layer in the table of contents.";
var srcFeatLyr = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().FirstOrDefault(l => l.Name.Contains("MySourceLines") && l.IsVisible);
if (srcFeatLyr == null)
return "Looking for a layer named 'MySourceLines' in the table of contents.";
//now get the line layer for this parcel type
var destLineLyrEnum = await myParcelFabricLayer.GetParcelLineLayerByTypeNameAsync(ParcelTypeName);
if (destLineLyrEnum.Count() == 0) //make sure there is one in the map
return ParcelTypeName + " not found.";
var destLineL = destLineLyrEnum.FirstOrDefault();
if (destLineL == null || destPolygonL == null)
return "";
var editOper = new EditOperation()
{
Name = "Copy Line Features To Parcel Type",
ProgressMessage = "Copy Line Features To Parcel Type...",
ShowModalMessageAfterFailure = true,
SelectNewFeatures = true,
SelectModifiedFeatures = false
};
var ids = new List<long>((srcFeatLyr as FeatureLayer).GetSelection().GetObjectIDs());
if (ids.Count == 0)
return "No selected lines were found. Please select line features and try again.";
editOper.CopyLineFeaturesToParcelType(srcFeatLyr, ids, destLineL, destPolygonL);
if (!editOper.Execute())
return editOper.ErrorMessage;
}
catch (Exception ex)
{
return ex.Message;
}
return "";
});
if (!string.IsNullOrEmpty(errorMessage))
MessageBox.Show(errorMessage, "Copy Line Features To Parcel Type.");
Copy parcel lines to a parcel type
string errorMessage = await QueuedTask.Run(async () =>
{
// check for selected layer
if (MapView.Active.GetSelectedLayers().Count == 0)
return "Please select a source parcel polygon feature layer in the table of contents.";
try
{
var myParcelFabricLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType<ParcelLayer>().FirstOrDefault();
if (myParcelFabricLayer == null)
return "No parcel layer found in the map.";
//get the feature layer that's selected in the table of contents
var srcParcelFeatLyr = MapView.Active.GetSelectedLayers().OfType<FeatureLayer>().FirstOrDefault();
string sTargetParcelType = "Tax";
var destLineLEnum = await myParcelFabricLayer.GetParcelLineLayerByTypeNameAsync(sTargetParcelType);
if (destLineLEnum.Count() == 0)
return "";
var destLineL = destLineLEnum.FirstOrDefault();
var destPolygonLEnum = await myParcelFabricLayer.GetParcelPolygonLayerByTypeNameAsync(sTargetParcelType);
if (destPolygonLEnum.Count() == 0)
return "";
var destPolygonL = destPolygonLEnum.FirstOrDefault();
if (destLineL == null || destPolygonL == null)
return "";
var theActiveRecord = myParcelFabricLayer.GetActiveRecord();
if (theActiveRecord == null)
return "There is no Active Record. Please set the active record and try again.";
var editOper = new EditOperation()
{
Name = "Copy Lines To Parcel Type",
ProgressMessage = "Copy Lines To Parcel Type ...",
ShowModalMessageAfterFailure = true,
SelectNewFeatures = true,
SelectModifiedFeatures = false
};
var ids = new List<long>(srcParcelFeatLyr.GetSelection().GetObjectIDs());
if (ids.Count == 0)
return "No selected parcels found. Please select parcels and try again.";
//add the standard feature line layers source, and their feature ids to a new Dictionary
var sourceParcelFeatures = new Dictionary<MapMember, List<long>>();
sourceParcelFeatures.Add(srcParcelFeatLyr, ids);
editOper.CopyParcelLinesToParcelType(myParcelFabricLayer, SelectionSet.FromDictionary(sourceParcelFeatures), destLineL, destPolygonL, true, false, true);
if (!editOper.Execute())
return editOper.ErrorMessage;
}
catch (Exception ex)
{
return ex.Message;
}
return "";
});
if (!string.IsNullOrEmpty(errorMessage))
MessageBox.Show(errorMessage, "Copy Parcel Lines To Parcel Type.");
Duplicate parcels
var myParcelFabricLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType<ParcelLayer>().FirstOrDefault();
if (myParcelFabricLayer == null)
return "Parecl layer not found in the map.";
//get the source polygon layer from the parcel fabric layer type, in this case a layer called Lot
var srcFeatLyrEnum = await myParcelFabricLayer.GetParcelPolygonLayerByTypeNameAsync("Lot");
if (srcFeatLyrEnum.Count() == 0)
return "";
var sourcePolygonL = srcFeatLyrEnum.FirstOrDefault();
//get the target polygon layer from the parcel fabric layer type, in this case a layer called Tax
var targetFeatLyrEnum = await myParcelFabricLayer.GetParcelPolygonLayerByTypeNameAsync("Tax");
if (targetFeatLyrEnum.Count() == 0)
return "";
var targetFeatLyr = targetFeatLyrEnum.FirstOrDefault();
var ids = new List<long>(sourcePolygonL.GetSelection().GetObjectIDs());
if (ids.Count == 0)
return "No selected parcels found. Please select parcels and try again.";
//add polygon layers and the feature ids to be duplicated to a new Dictionary
var sourceFeatures = new Dictionary<MapMember, List<long>>();
sourceFeatures.Add(sourcePolygonL, ids);
try
{
var theActiveRecord = myParcelFabricLayer.GetActiveRecord();
if (theActiveRecord == null)
return "There is no Active Record. Please set the active record and try again.";
var editOper = new EditOperation()
{
Name = "Duplicate Parcels",
ProgressMessage = "Duplicate Parcels...",
ShowModalMessageAfterFailure = true,
SelectNewFeatures = true,
SelectModifiedFeatures = false
};
editOper.DuplicateParcels(myParcelFabricLayer,
SelectionSet.FromDictionary(sourceFeatures), theActiveRecord, targetFeatLyr);
if (!editOper.Execute())
return editOper.ErrorMessage;
}
catch (Exception ex)
{
return ex.Message;
}
Set parcels historic
string errorMessage = await QueuedTask.Run(async () =>
{
var myParcelFabricLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType<ParcelLayer>().FirstOrDefault();
if (myParcelFabricLayer == null)
return "Please add a parcel fabric to the map";
try
{
FeatureLayer destPolygonL = null;
//find the first layer that is a parcel type, is non-historic, and has a selection
bool bFound = false;
var ParcelTypesEnum = await myParcelFabricLayer.GetParcelTypeNamesAsync();
foreach (FeatureLayer mapFeatLyr in MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>())
{
foreach (string ParcelType in ParcelTypesEnum)
{
var layerEnum = await myParcelFabricLayer.GetParcelPolygonLayerByTypeNameAsync(ParcelType);
foreach (FeatureLayer flyr in layerEnum)
{
if (flyr == mapFeatLyr)
{
bFound = mapFeatLyr.SelectionCount > 0;
destPolygonL = mapFeatLyr;
break;
}
}
if (bFound) break;
}
if (bFound) break;
}
if (!bFound)
return "Please select parcels to set as historic.";
var theActiveRecord = myParcelFabricLayer.GetActiveRecord();
if (theActiveRecord == null)
return "There is no Active Record. Please set the active record and try again.";
var ids = new List<long>(destPolygonL.GetSelection().GetObjectIDs());
//can do multi layer selection but using single per code above
var sourceFeatures = new Dictionary<MapMember, List<long>>();
sourceFeatures.Add(destPolygonL, ids);
var editOper = new EditOperation()
{
Name = "Set Parcels Historic",
ProgressMessage = "Set Parcels Historic...",
ShowModalMessageAfterFailure = true,
SelectNewFeatures = true,
SelectModifiedFeatures = false
};
editOper.SetParcelHistoryRetired(myParcelFabricLayer,
SelectionSet.FromDictionary(sourceFeatures), theActiveRecord);
if (!editOper.Execute())
return editOper.ErrorMessage;
}
catch (Exception ex)
{
return ex.Message;
}
return "";
});
if (!string.IsNullOrEmpty(errorMessage))
MessageBox.Show(errorMessage, "Set Parcels Historic.");
Shrink parcels to seeds
string errorMessage = await QueuedTask.Run(async () =>
{
var myParcelFabricLayer = MapView.Active.Map.GetLayersAsFlattenedList().OfType<ParcelLayer>().FirstOrDefault();
if (myParcelFabricLayer == null)
return "Please add a parcel fabric to the map";
try
{
FeatureLayer parcelPolygonLyr = null;
//find the first layer that is a polygon parcel type, is non-historic, and has a selection
bool bFound = false;
var ParcelTypesEnum = await myParcelFabricLayer.GetParcelTypeNamesAsync();
foreach (FeatureLayer mapFeatLyr in MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>())
{
foreach (string ParcelType in ParcelTypesEnum)
{
var layerEnum = await myParcelFabricLayer.GetParcelPolygonLayerByTypeNameAsync(ParcelType);
foreach (FeatureLayer flyr in layerEnum)
{
if (flyr == mapFeatLyr)
{
bFound = mapFeatLyr.SelectionCount > 0;
parcelPolygonLyr = mapFeatLyr;
break;
}
}
if (bFound) break;
}
if (bFound) break;
}
if (!bFound)
return "Please select parcels to shrink to seeds.";
var editOper = new EditOperation()
{
Name = "Shrink Parcels To Seeds",
ProgressMessage = "Shrink Parcels To Seeds...",
ShowModalMessageAfterFailure = true,
SelectNewFeatures = true,
SelectModifiedFeatures = false
};
var ids = new List<long>(parcelPolygonLyr.GetSelection().GetObjectIDs());
var sourceParcelFeatures = new Dictionary<MapMember, List<long>>();
sourceParcelFeatures.Add(parcelPolygonLyr, ids);
editOper.ShrinkParcelsToSeeds(myParcelFabricLayer, SelectionSet.FromDictionary(sourceParcelFeatures));
if (!editOper.Execute())
return editOper.ErrorMessage;
}
catch (Exception ex)
{
return ex.Message;
}
return "";
});
if (!string.IsNullOrEmpty(errorMessage))
MessageBox.Show(errorMessage, "Shrink Parcels To Seeds.");
Get parcel features
string sReportResult = "Polygon Information --" + Environment.NewLine;
string sParcelTypeName = "tax";
string errorMessage = await QueuedTask.Run(async () =>
{
var myParcelFabricLayer =
MapView.Active.Map.GetLayersAsFlattenedList().OfType<ParcelLayer>().FirstOrDefault();
//if there is no fabric in the map then bail
if (myParcelFabricLayer == null)
return "There is no fabric layer in the map.";
//first get the parcel type feature layer
var featSrcLyr = myParcelFabricLayer.GetParcelPolygonLayerByTypeNameAsync(sParcelTypeName).Result.FirstOrDefault();
if (featSrcLyr.SelectionCount == 0)
return "There is no selection on the " + sParcelTypeName + " layer.";
sReportResult += " Parcel Type: " + sParcelTypeName + Environment.NewLine;
sReportResult += " Poygons: " + featSrcLyr.SelectionCount + Environment.NewLine + Environment.NewLine;
try
{
// ------- get the selected parcels ---------
var ids = new List<long>((featSrcLyr as FeatureLayer).GetSelection().GetObjectIDs());
var sourceParcels = new Dictionary<MapMember, List<long>>();
sourceParcels.Add(featSrcLyr, ids);
//---------------------------------------------
ParcelFeatures parcFeatures =
await myParcelFabricLayer.GetParcelFeaturesAsync(SelectionSet.FromDictionary(sourceParcels));
//since we know that we want to report on Tax lines only, and for this functionality
// we can use any of the Tax line layer instances (if there happens to be more than one)
// we can get the first instance as follows
FeatureLayer myLineFeatureLyr =
myParcelFabricLayer.GetParcelLineLayerByTypeNameAsync(sParcelTypeName).Result.FirstOrDefault();
if (myLineFeatureLyr == null)
return sParcelTypeName + " line layer not found";
FeatureLayer myPointFeatureLyr =
myParcelFabricLayer.GetPointsLayerAsync().Result.FirstOrDefault();
if (myPointFeatureLyr == null)
return "fabric point layer not found";
var LineInfo = parcFeatures.Lines; //then get the line information from the parcel features object
//... and then do some work for each of the lines
int iRadiusAttributeCnt = 0;
int iDistanceAttributeCnt = 0;
sReportResult += "Line Information --";
foreach (KeyValuePair<string, List<long>> kvp in LineInfo)
{
if (kvp.Key.ToLower() != sParcelTypeName)
continue; // ignore any other lines from different parcel types
foreach (long oid in kvp.Value)
{
var insp = myLineFeatureLyr.Inspect(oid);
var dRadius = insp["RADIUS"];
var dDistance = insp["DISTANCE"];
if (dRadius != DBNull.Value)
iRadiusAttributeCnt++;
if (dDistance != DBNull.Value)
iDistanceAttributeCnt++;
//Polyline poly = (Polyline)insp["SHAPE"];
}
sReportResult += Environment.NewLine + " Distance attributes: " + iDistanceAttributeCnt.ToString();
sReportResult += Environment.NewLine + " Radius attributes: " + iRadiusAttributeCnt.ToString();
}
var PointInfo = parcFeatures.Points; //get the point information from the parcel features object
//... and then do some work for each of the points
sReportResult += Environment.NewLine + Environment.NewLine + "Point Information --";
int iFixedPointCnt = 0;
int iNonFixedPointCnt = 0;
foreach (long oid in PointInfo)
{
var insp = myPointFeatureLyr.Inspect(oid);
var isFixed = insp["ISFIXED"];
if (isFixed == DBNull.Value || (int)isFixed == 0)
iNonFixedPointCnt++;
else
iFixedPointCnt++;
// var pt = insp["SHAPE"];
}
sReportResult += Environment.NewLine + " Fixed Points: " + iFixedPointCnt.ToString();
sReportResult += Environment.NewLine + " Non-Fixed Points: " + iNonFixedPointCnt.ToString();
}
catch (Exception ex)
{
return ex.Message;
}
return "";
});
if (!string.IsNullOrEmpty(errorMessage))
MessageBox.Show(errorMessage, "Get Parcel Features");
else
MessageBox.Show(sReportResult, "Get Parcel Features");
Get parcel type name from feature layer
private async Task<string> GetParcelTypeNameFromFeatureLayer(ParcelLayer myParcelFabricLayer, FeatureLayer featLayer, GeometryType geomType)
{
if (featLayer == null) //nothing to do, return empty string
return String.Empty;
IEnumerable<string> parcelTypeNames = await myParcelFabricLayer.GetParcelTypeNamesAsync();
foreach (string parcelTypeName in parcelTypeNames)
{
if (geomType == GeometryType.Polygon)
{
var polygonLyrParcelTypeEnum = await myParcelFabricLayer.GetParcelPolygonLayerByTypeNameAsync(parcelTypeName);
foreach (FeatureLayer lyr in polygonLyrParcelTypeEnum)
if (lyr == featLayer)
return parcelTypeName;
polygonLyrParcelTypeEnum = await myParcelFabricLayer.GetHistoricParcelPolygonLayerByTypeNameAsync(parcelTypeName);
foreach (FeatureLayer lyr in polygonLyrParcelTypeEnum)
if (lyr == featLayer)
return parcelTypeName;
}
if (geomType == GeometryType.Polyline)
{
var lineLyrParcelTypeEnum = await myParcelFabricLayer.GetParcelLineLayerByTypeNameAsync(parcelTypeName);
foreach (FeatureLayer lyr in lineLyrParcelTypeEnum)
if (lyr == featLayer)
return parcelTypeName;
lineLyrParcelTypeEnum = await myParcelFabricLayer.GetHistoricParcelLineLayerByTypeNameAsync(parcelTypeName);
foreach (FeatureLayer lyr in lineLyrParcelTypeEnum)
if (lyr == featLayer)
return parcelTypeName;
}
}
return String.Empty;
}
Target Platforms: Windows 11, Windows 10
ArcGIS Pro version: 3 or higher.