private static bool ReshapeSinglePolygonInUnion(ReshapeInfo reshapeInfo)
{
bool reshaped;
if (reshapeInfo.CutReshapePath != null)
{
if (reshapeInfo.CutReshapePath.Path.Length > 0)
{
// reshape the known polygon part with the known cut reshape path
reshaped = ReshapeUtils.ReshapePolygonOrMultipatch(reshapeInfo);
}
else
{
_msg.DebugFormat(
"No need to reshape geometry with 0-length reshape path at {0} | {1}",
reshapeInfo.CutReshapePath.Path.FromPoint.X,
reshapeInfo.CutReshapePath.Path.FromPoint.Y);
reshaped = false;
}
}
else
{
Assert.NotNull(reshapeInfo.ReshapePath,
"Reshape path and cut reshape path are undefined");
// try reshape if possible (typically for union-reshapes to the inside)
var requiredPartIndexToReshape =
(int)Assert.NotNull(reshapeInfo.PartIndexToReshape);
IList <int> currentlyReshapableParts;
reshapeInfo.IdentifyUniquePartIndexToReshape(out currentlyReshapableParts);
if (currentlyReshapableParts.Contains(requiredPartIndexToReshape))
{
// reset to make sure no other parts are reshaped here:
reshapeInfo.PartIndexToReshape = requiredPartIndexToReshape;
reshaped = ReshapeUtils.ReshapeGeometryPart(reshapeInfo.GeometryToReshape,
reshapeInfo);
}
else
{
reshaped = false;
}
}
return(reshaped);
}
private static ReshapeInfo Reshape(IGeometry geometryToReshape,
IGeometry reshapeLine,
bool tryReshapeNonDefaultSide)
{
var reshapePath = (IPath)((IGeometryCollection)reshapeLine).get_Geometry(0);
var reshapeInfo = new ReshapeInfo(geometryToReshape, reshapePath, null);
reshapeInfo.ReshapeResultFilter = new ReshapeResultFilter(tryReshapeNonDefaultSide);
IList <int> allParts;
reshapeInfo.IdentifyUniquePartIndexToReshape(out allParts);
Assert.IsTrue(ReshapeUtils.ReshapePolygonOrMultipatch(reshapeInfo));
GeometryUtils.Simplify(geometryToReshape);
return(reshapeInfo);
}