public void Cut([NotNull] IList <CutSubcurve> cutSubcurves,
[CanBeNull] ITrackCancel trackCancel = null)
{
Assert.ArgumentNotNull(cutSubcurves, nameof(cutSubcurves));
Assert.ArgumentCondition(_featuresToCut.Count > 0, "No polygon to cut");
if (cutSubcurves.Count == 0)
{
return;
}
// simplify the curves to connect several yellow cut subcurves into a proper path
IGeometry geometryPrototype = _featuresToCut[0].Shape;
IGeometryCollection simplifiedCurves =
ReshapeUtils.GetSimplifiedReshapeCurves(
cutSubcurves, geometryPrototype.SpatialReference);
if (simplifiedCurves.GeometryCount == 0)
{
return;
}
Cut((IPolyline)simplifiedCurves, trackCancel);
if (TargetFeatures != null && ResultGeometriesByFeature.Count > 0)
{
InsertIntersectingVerticesInTargets(TargetFeatures,
(IGeometry)simplifiedCurves);
}
}
private static CutSubcurve Replace(CutSubcurve cutSubcurve1,
CutSubcurve cutSubcurve2,
SubcurveNode mergeNode)
{
IGeometryCollection mergedCollection =
ReshapeUtils.GetSimplifiedReshapeCurves(
new List <CutSubcurve> {
cutSubcurve1, cutSubcurve2
});
Assert.AreEqual(1, mergedCollection.GeometryCount,
"Unexpected number of geometries after merging adjacent subcurves");
var newPath = (IPath)mergedCollection.get_Geometry(0);
bool touchAtFrom;
SubcurveNode oldNodeAtFrom = GetNodeAt(newPath.FromPoint, cutSubcurve1,
cutSubcurve2,
out touchAtFrom);
bool touchAtTo;
SubcurveNode oldNodeAtTo = GetNodeAt(newPath.ToPoint, cutSubcurve1,
cutSubcurve2,
out touchAtTo);
if (oldNodeAtFrom.ConnectedSubcurves.Contains(cutSubcurve1))
{
oldNodeAtFrom.ConnectedSubcurves.Remove(cutSubcurve1);
}
if (oldNodeAtFrom.ConnectedSubcurves.Contains(cutSubcurve2))
{
oldNodeAtFrom.ConnectedSubcurves.Remove(cutSubcurve2);
}
if (oldNodeAtTo.ConnectedSubcurves.Contains(cutSubcurve1))
{
oldNodeAtTo.ConnectedSubcurves.Remove(cutSubcurve1);
}
if (oldNodeAtTo.ConnectedSubcurves.Contains(cutSubcurve2))
{
oldNodeAtTo.ConnectedSubcurves.Remove(cutSubcurve2);
}
var result = new CutSubcurve(newPath, touchAtFrom, touchAtTo, oldNodeAtFrom,
oldNodeAtTo);
result.Source = cutSubcurve1.Source;
oldNodeAtFrom.ConnectedSubcurves.Add(result);
oldNodeAtTo.ConnectedSubcurves.Add(result);
// Old target intersection points: Add them if they were not stitch points removed after simplify:
IPoint connectPoint = GeometryFactory.CreatePoint(mergeNode.X, mergeNode.Y,
newPath.SpatialReference);
int partIdx;
int?connectIndex = GeometryUtils.FindHitVertexIndex(
newPath, connectPoint, GeometryUtils.GetXyTolerance(newPath),
out partIdx);
if (connectIndex != null)
{
result.AddExtraPotentialTargetInsertPoint(
((IPointCollection)newPath).get_Point((int)connectIndex));
}
return(result);
}