private async static void ConstructPolygons()
{
List <CandidateDam> candidates = new List <CandidateDam>();
SharedFunctions.LoadDamCandidatesFromLayer(candidates, damLayer);
List <Contour> contours = new List <Contour>();
SharedFunctions.LoadContoursFromLayer(contours, contourLayer);
//select only contours, that actually have candidate dams on it
contours = contours.Where(c => candidates.Any(d => d.ContourID == c.ObjectID)).ToList();
bool multiThreading = (Parameter.MultiThreadingBox == null || !Parameter.MultiThreadingBox.IsChecked.HasValue || Parameter.MultiThreadingBox.IsChecked.Value);
//ArcGIS.Core.Geometry Tools currently don't seem to support multithreading.
//Question https://community.esri.com/thread/243147-multithreading-parallel-processing-in-arcgis-pro-addin
//received no answer so far. Until a solution is found, multithreading logic has to be deactivated
multiThreading = false;
if (multiThreading)
{
List <PolylineBuilder> polylineBuilders = new List <PolylineBuilder>();
for (int i = 0; i < Environment.ProcessorCount; i++)
{
polylineBuilders.Add(new PolylineBuilder(SpatialReference));
}
ContoursToProcess = contours.Select(c => c.ObjectID).ToList();
SharedFunctions.Log("Divided work into " + Environment.ProcessorCount + " threads for all logical Processors...");
await Task.WhenAll(polylineBuilders.Select(c => Task.Run(//Enumerable.Range(1, Environment.ProcessorCount).Select(c => Task.Run(
async() =>
{
while (ContoursToProcess.Count > 0)
{
long contourID = -1;
lock (ContoursToProcess)
{
contourID = ContoursToProcess.FirstOrDefault();
if (contourID != 0)
{
ContoursToProcess.Remove(contourID);
}
}
if (contourID != -1)
{
var calc = new List <Contour>()
{
contours.Single(d => d.ObjectID == contourID)
};
await PolygonsForContours(candidates, calc, c);
}
}
}
))
);
}
else
{
await PolygonsForContours(candidates, contours, new PolylineBuilder(SpatialReference));
}
SharedFunctions.Log("Save all " + surfaces.Count + " surfaces");
foreach (var surface in surfaces)
{
var attributes = new Dictionary <string, object>
{
{ "Shape", surface.Polygon },
{ "DamID", (long)surface.DamID },
{ "ContourHeight", (short)surface.ContourHeight }
};
var createOperation = new EditOperation()
{
Name = "Create reservoir polygon", SelectNewFeatures = false
};
createOperation.Create(reservoirSurfacesLayer, attributes);
await createOperation.ExecuteAsync();
}
await Project.Current.SaveEditsAsync();
}
