public void OnFinishSketch()
{
//get reference to featurelayer being edited
IFeatureLayer featureLayer = m_editLayer.TargetLayer as IFeatureLayer;
//get reference to the sketch geometry
IGeometry reshapeGeom = m_editSketch.Geometry;
if (reshapeGeom.IsEmpty == false)
{
//get the currently selected feature
IFeatureSelection featureSelection = featureLayer as IFeatureSelection;
ISelectionSet selectionSet = featureSelection.SelectionSet;
ICursor cursor;
selectionSet.Search(null, false, out cursor);
IFeatureCursor featureCursor = cursor as IFeatureCursor;
//the PerformSketchToolEnabledChecks property has already checked that only 1 feature is selected
IFeature feature = featureCursor.NextFeature();
//Take a copy of geometry for the selected feature
IGeometry editShape = feature.ShapeCopy;
//create a path from the editsketch geometry
IPointCollection reshapePath = new PathClass();
reshapePath.AddPointCollection(reshapeGeom as IPointCollection);
//reshape the selected feature
IPolyline polyline = editShape as IPolyline;
polyline.Reshape(reshapePath as IPath);
#region Perform an edit operation to store the new geometry for selected feature
try
{
m_engineEditor.StartOperation();
feature.Shape = editShape;
feature.Store();
m_engineEditor.StopOperation("Reshape Feature");
}
catch (Exception ex)
{
m_engineEditor.AbortOperation();
System.Diagnostics.Trace.WriteLine(ex.Message, "Reshape Geometry Failed");
}
#endregion
}
//refresh the display
IActiveView activeView = m_engineEditor.Map as IActiveView;
activeView.PartialRefresh(esriViewDrawPhase.esriViewGeography, (object)featureLayer, activeView.Extent);
}
internal static Dictionary <IPolygon, bool> GetVisibilityPolygons(IPoint observerPoint, Dictionary <IPointCollection, bool> pointCollections)
{
var visibilityPolygons = new Dictionary <IPolygon, bool>();
foreach (var points in pointCollections)
{
var polygonPoints = new PathClass();
polygonPoints.AddPoint(observerPoint);
polygonPoints.AddPointCollection(points.Key);
visibilityPolygons.Add(EsriTools.GetVisilityPolygon(polygonPoints), points.Value);
}
return(visibilityPolygons);
}
public static IPolyline Create3DPolylineFromPoints(IPointCollection points)
{
object missing = Type.Missing;
IGeometryCollection geometryCollection = new PolylineClass();
IPointCollection pointCollection = new PathClass();
pointCollection.AddPointCollection(points);
geometryCollection.AddGeometry(pointCollection as IGeometry, ref missing, ref missing);
var geometry = geometryCollection as IGeometry;
IZAware zAware = geometry as IZAware;
zAware.ZAware = true;
return(geometryCollection as IPolyline);
}
public void OnFinishSketch()
{
//get reference to featurelayer being edited
IFeatureLayer featureLayer = m_editLayer.TargetLayer as IFeatureLayer;
//get reference to the sketch geometry
IGeometry reshapeGeom = m_editSketch.Geometry;
if (reshapeGeom.IsEmpty == false)
{
//get the currently selected feature
IFeatureSelection featureSelection = featureLayer as IFeatureSelection;
ISelectionSet selectionSet = featureSelection.SelectionSet;
ICursor cursor;
selectionSet.Search(null, false, out cursor);
IFeatureCursor featureCursor = cursor as IFeatureCursor;
//the PerformSketchToolEnabledChecks property has already checked that only 1 feature is selected
IFeature feature = featureCursor.NextFeature();
//Take a copy of geometry for the selected feature
IGeometry editShape = feature.ShapeCopy;
//create a path from the editsketch geometry
IPointCollection reshapePath = new PathClass();
reshapePath.AddPointCollection(reshapeGeom as IPointCollection);
//reshape the selected feature
IPolyline polyline = editShape as IPolyline;
polyline.Reshape(reshapePath as IPath);
#region Perform an edit operation to store the new geometry for selected feature
try
{
m_engineEditor.StartOperation();
feature.Shape = editShape;
feature.Store();
m_engineEditor.StopOperation("Reshape Feature");
}
catch (Exception ex)
{
m_engineEditor.AbortOperation();
System.Diagnostics.Trace.WriteLine(ex.Message, "Reshape Geometry Failed");
}
#endregion
}
//refresh the display
IActiveView activeView = m_engineEditor.Map as IActiveView;
activeView.PartialRefresh(esriViewDrawPhase.esriViewGeography, (object)featureLayer, activeView.Extent);
}
