private static IList <CutSubcurve> CalculateReshapeLines(
[NotNull] IList <IFeature> sourceFeatures,
[NotNull] IList <IFeature> targetFeatures,
[NotNull] CalculateReshapeLinesRequest request,
[CanBeNull] ITrackCancel trackCancel,
out ReshapeAlongCurveUsability usability)
{
Stopwatch watch = Stopwatch.StartNew();
IEnvelope visibleExtent;
ReshapeCurveFilterOptions filterOptions =
GetLineFilterOptions(request.FilterOptions, out visibleExtent);
TargetBufferOptions targetBufferOptions =
GetTargetBufferOptions(request.TargetBufferOptions);
IList <CutSubcurve> resultLines = new List <CutSubcurve>();
usability = ChangeGeometryAlongUtils.CalculateReshapeCurves(
sourceFeatures, targetFeatures, visibleExtent,
request.Tolerance, targetBufferOptions, filterOptions,
resultLines, trackCancel);
_msg.DebugStopTiming(watch, "Calculated {0} reshape lines", resultLines.Count);
return(resultLines);
}
private static ReshapeCurveFilterOptions GetLineFilterOptions(
[CanBeNull] ReshapeLineFilterOptionsMsg filterOptionsMsg,
[CanBeNull] out IEnvelope visibleExtent)
{
visibleExtent = null;
if (filterOptionsMsg == null)
{
return(new ReshapeCurveFilterOptions());
}
var result = new ReshapeCurveFilterOptions(
filterOptionsMsg.ClipLinesOnVisibleExtent,
filterOptionsMsg.ExcludeOutsideTolerance,
filterOptionsMsg.ExcludeOutsideSource,
filterOptionsMsg.ExcludeResultingInOverlaps);
List <IEnvelope> extents = filterOptionsMsg.VisibleExtents.Select(
ProtobufGeometryUtils.FromEnvelopeMsg)
.ToList();
// TODO: Determine the policy on the main map extent vs. any visible extent?
visibleExtent = extents.Count > 0 ? extents[0] : null;
return(result);
}
private static GeometryReshaperBase CreateReshaper(
[NotNull] ApplyReshapeLinesRequest request)
{
GetFeatures(request.CalculationRequest.SourceFeatures,
request.CalculationRequest.TargetFeatures,
request.CalculationRequest.ClassDefinitions,
out IList <IFeature> sourceFeatures, out IList <IFeature> targetFeatures);
GeometryReshaperBase reshaper =
sourceFeatures.Count == 1
? (GeometryReshaperBase) new GeometryReshaper(sourceFeatures[0])
: new MultipleGeometriesReshaper(sourceFeatures)
{
MultipleSourcesTreatIndividually = true,
MultipleSourcesTreatAsUnion = false
};
if (request.InsertVerticesInTarget)
{
reshaper.TargetFeatures = targetFeatures;
}
IEnvelope visibleExtent;
ReshapeCurveFilterOptions filterOptions =
GetLineFilterOptions(request.CalculationRequest.FilterOptions, out visibleExtent);
IEnumerable <IFeature> unallowedOverlapFeatures = null;
if (filterOptions.ExcludeResultingInOverlaps)
{
unallowedOverlapFeatures = targetFeatures;
reshaper.RemoveClosedReshapePathAreas = true;
}
List <IEnvelope> allowedExtents =
visibleExtent == null ? null : new List <IEnvelope> {
visibleExtent
};
bool useMinimalTolerance = MathUtils.AreEqual(0, request.CalculationRequest.Tolerance);
reshaper.ResultFilter = new ReshapeResultFilter(allowedExtents,
unallowedOverlapFeatures,
useMinimalTolerance);
reshaper.ResultFilter.UseNonDefaultReshapeSide = request.UseNonDefaultReshapeSide;
reshaper.UseMinimumTolerance = useMinimalTolerance;
return(reshaper);
}
