private static void SubtractFeatures()
{
var ids = SharedViewModel.Instance.EditOverlay.EditShapesLayer.InternalFeatures.Select(f => f.Id).ToArray();
int temp = 0;
bool allIdsAreNumbers = SharedViewModel.Instance.EditOverlay.EditShapesLayer.InternalFeatures.All(f => int.TryParse(f.Id, out temp));
IEnumerable <Feature> featuresWithNumberId = null;
if (!allIdsAreNumbers)
{
int numberId = 0;
featuresWithNumberId = SharedViewModel.Instance.EditOverlay.EditShapesLayer.InternalFeatures.Select(f => new Feature(f.GetWellKnownBinary(), (numberId++).ToString()));
}
else
{
featuresWithNumberId = SharedViewModel.Instance.EditOverlay.EditShapesLayer.InternalFeatures;
}
var subtractedAreas = GeoProcessHelper.SubtractAreas(featuresWithNumberId);
SharedViewModel.Instance.EditOverlay.EditShapesLayer.InternalFeatures.Clear();
if (ids.Length == subtractedAreas.Length)
{
for (int i = 0; i < ids.Length; i++)
{
SharedViewModel.Instance.EditOverlay.EditShapesLayer.InternalFeatures.Add(new Feature(subtractedAreas[i].GetWellKnownBinary(), ids[i]));
}
}
SharedViewModel.Instance.EditOverlay.EditShapesLayer.BuildIndex();
GisEditor.ActiveMap.Refresh(SharedViewModel.Instance.EditOverlay);
SharedViewModel.Instance.EditOverlay.TakeSnapshot();
}
private static void UnionFeatures()
{
string id = GetId();
try
{
var resultFeature = GeoProcessHelper.UnionAreaFeatures(SharedViewModel.Instance.EditOverlay.EditShapesLayer.InternalFeatures);
SetFeatrueAttribute(resultFeature);
SharedViewModel.Instance.EditOverlay.EditShapesLayer.InternalFeatures.Clear();
AddGeoProcessedFeatureToOverlay(resultFeature, id.ToString());
SharedViewModel.Instance.EditOverlay.TakeSnapshot();
}
catch (Exception ex)
{
GisEditorMessageBox box = new GisEditorMessageBox(System.Windows.MessageBoxButton.OK);
box.Owner = Application.Current.MainWindow;
box.WindowStartupLocation = WindowStartupLocation.CenterOwner;
box.Title = "Error";
box.Message = "An error has occurred while trying to union shapes.";
box.ErrorMessage = ex.ToString();
box.ShowDialog();
GisEditor.LoggerManager.Log(LoggerLevel.Debug, ex.Message, ex);
}
}
private static void CombineFeatures()
{
string id = GetId();
var resultFeature = GeoProcessHelper.CombineFeatures(SharedViewModel.Instance.EditOverlay.EditShapesLayer.InternalFeatures);
SetFeatrueAttribute(resultFeature);
SharedViewModel.Instance.EditOverlay.EditShapesLayer.InternalFeatures.Clear();
AddGeoProcessedFeatureToOverlay(resultFeature, id);
SharedViewModel.Instance.EditOverlay.TakeSnapshot();
}
private static void IntersectFeatures()
{
string id = GetId();
var resultFeature = GeoProcessHelper.IntersectFeatures(SharedViewModel.Instance.EditOverlay.EditShapesLayer.InternalFeatures);
if (resultFeature != null)
{
SetFeatrueAttribute(resultFeature);
AddGeoProcessedFeatureToOverlay(resultFeature, id.ToString());
SubtractFeatures();
SharedViewModel.Instance.EditOverlay.TakeSnapshot();
}
}
