private void ProcessFeature([NotNull] Feature feature)
{
var margin = _maskMargin.DefineFields(feature.RowValues()).Evaluate <double>(0.0);
var simplTol = _simplificationToleranceMu;
var maskShape = CreateMask(feature, simplTol, margin, _maskOutlineType, _fillHoles);
using (var buffer = _outputMaskDataset.FeatureClass.CreateRowBuffer())
{
buffer[_outputMaskDataset.ShapeFieldName] = maskShape;
_maskAttributes.ForgetAll()
.DefineFields(feature, InputQualifier)
.Execute(buffer);
var maskFeature = _outputMaskDataset.FeatureClass.CreateRow(buffer);
Relate(feature, maskFeature);
MasksCreated += 1;
}
}
private void ProcessFeature([NotNull] Feature feature)
{
var shape = feature.GetShape();
var point = Assert.NotNull(shape as MapPoint, "Input shape is not MapPoint");
IDictionary <Feature, double> distanceByFeature =
GetNearFeatures(point, _referenceDatasets, _searchDistance);
if (distanceByFeature.Count == 0)
{
_msg.DebugFormat(
"Marker feature {0}: No reference feature found within search distance of {1}",
ProcessingUtils.Format(feature), _searchDistance);
return;
}
var nearest = distanceByFeature.OrderBy(f => f.Value).First();
var referenceFeature = Assert.NotNull(nearest.Key, "Oops, bug");
var distance = nearest.Value; // may be zero
var referenceShape = referenceFeature.GetShape();
var referenceCurve = Assert.NotNull(referenceShape as Multipart,
"Reference shape is not Multipart");
double distanceAlongCurve = GeometryUtils.GetDistanceAlongCurve(referenceCurve, point);
double normalLength = Math.Max(_inputDataset.XYTolerance, distance);
var normalPoly = GeometryEngine.Instance.QueryNormal(
referenceCurve, SegmentExtension.NoExtension, distanceAlongCurve,
AsRatioOrLength.AsLength, normalLength);
var normal = (LineSegment)normalPoly.Parts[0][0]; // TODO safety guards
double tangentLength = Math.Max(_inputDataset.XYTolerance, distance);
var tangentPoly = GeometryEngine.Instance.QueryTangent(
referenceCurve, SegmentExtension.NoExtension, distanceAlongCurve,
AsRatioOrLength.AsLength, tangentLength);
var tangent = (LineSegment)tangentPoly.Parts[0][0]; // TODO safety guards
// ILine.Angle is the angle between line and positive x axis,
// but the Angle property of a representation marker has its
// zero point at North: add 90° to ILine.Angle to fix:
double normalOffset = MathUtils.ToDegrees(normal.Angle) - 90;
double normalAngle = ProcessingUtils.ToPositiveDegrees(normalOffset);
double tangentOffset = MathUtils.ToDegrees(tangent.Angle) - 90;
double tangentAngle = ProcessingUtils.ToPositiveDegrees(tangentOffset);
_markerFieldSetter.ForgetAll()
.DefineFields(feature, InputQualifier)
.DefineFields(referenceFeature, ReferenceQualifier)
.DefineValue("normalAngle", normalAngle)
.DefineValue("tangentAngle", tangentAngle)
.DefineValue("distance", distance)
.Execute(feature);
feature.Store();
FeaturesAligned += 1;
_msg.DebugFormat(
"Marker feature {0}: aligned to {1} (normalAngle: {2}, tangentAngle: {3}, distance: {4})",
ProcessingUtils.Format(feature), ProcessingUtils.Format(referenceFeature),
normalAngle, tangentAngle, distance);
// TODO need some mechanism to ensure disposal (required by Pro SDK documentation); see also OneNote
foreach (var pair in distanceByFeature)
{
pair.Key.Dispose();
}
}