private static IEnumerable <Linestring> GetLineStrings([NotNull] IGeometry shape)
{
if (shape.GeometryType == esriGeometryType.esriGeometryMultiPatch)
{
var segments = QaGeometryUtils.GetSegments((IMultiPatch)shape);
yield return(GetLineString(segments));
}
else if (shape.GeometryType == esriGeometryType.esriGeometryPolygon ||
shape.GeometryType == esriGeometryType.esriGeometryPolyline)
{
foreach (var path in GetLinearizedPaths(shape))
{
yield return(GeometryConversionUtils.GetLinestring(path));
}
}
else
{
throw new ArgumentException(
$@"Unexpected geometry type: {shape.GeometryType}",
nameof(shape));
}
}
public void CanCutAlongUsingZSources()
{
GetOverlappingPolygons(out GdbFeature sourceFeature, out GdbFeature targetFeature);
GeometryUtils.MakeZAware(sourceFeature.Shape);
GeometryUtils.MakeZAware(targetFeature.Shape);
var normal = new Vector(new[] { 0.5, 0.5, 2 });
Pnt3D planePoint = new Pnt3D(2600000, 1200000, 600);
Plane3D sourcePlane = new Plane3D(normal, planePoint);
ChangeAlongZUtils.AssignZ((IPointCollection)sourceFeature.Shape, sourcePlane);
GeometryUtils.ApplyConstantZ(targetFeature.Shape, 500);
CalculateCutLinesRequest calculationRequest =
CreateCalculateCutLinesRequest(sourceFeature, targetFeature);
CalculateCutLinesResponse calculateResponse =
ChangeAlongServiceUtils.CalculateCutLines(calculationRequest, null);
Assert.AreEqual(ReshapeAlongCurveUsability.CanReshape,
(ReshapeAlongCurveUsability)calculateResponse.ReshapeLinesUsability);
AssertReshapeLineCount(calculateResponse.CutLines, 1, 1);
IPolyline reshapeLine =
(IPolyline)ProtobufGeometryUtils.FromShapeMsg(calculateResponse.CutLines[0].Path);
Assert.NotNull(reshapeLine);
Assert.AreEqual(1000, (reshapeLine).Length);
Linestring cutLinestring =
GeometryConversionUtils.GetLinestring(GeometryUtils.GetPaths(reshapeLine).Single());
Pnt3D midPoint = (Pnt3D)cutLinestring.GetPointAlong(0.5, true);
List <Pnt3D> points = GeometryConversionUtils.GetPntList(reshapeLine);
Assert.IsTrue(points.All(p => MathUtils.AreEqual(p.Z, 500.0)));
//
// Cutting - TargetZ
//
var applyRequest = new ApplyCutLinesRequest();
applyRequest.CutLines.Add(calculateResponse.CutLines[0]);
applyRequest.CalculationRequest = calculationRequest;
applyRequest.InsertVerticesInTarget = false;
applyRequest.ChangedVerticesZSource = (int)ChangeAlongZSource.Target;
ApplyCutLinesResponse applyResponse =
ChangeAlongServiceUtils.ApplyCutLines(applyRequest, null);
Assert.AreEqual(2, applyResponse.ResultFeatures.Count);
List <IGeometry> cutGeometries =
applyResponse.ResultFeatures.Select(GetShape).ToList();
Assert.AreEqual(1000 * 1000, cutGeometries.Sum(g => ((IArea)g).Area));
List <MultiPolycurve> multiPolycurves =
cutGeometries
.Select(g => GeometryConversionUtils.CreateMultiPolycurve((IPolycurve)g))
.ToList();
foreach (MultiPolycurve multiPolycurve in multiPolycurves)
{
Line3D segment = multiPolycurve.FindSegments(midPoint, 0.001).First().Value;
Assert.AreEqual(500, segment.StartPoint.Z);
Assert.AreEqual(500, segment.EndPoint.Z);
}
//
// Cutting - Interpolate
//
applyRequest = new ApplyCutLinesRequest();
applyRequest.CutLines.Add(calculateResponse.CutLines[0]);
applyRequest.CalculationRequest = calculationRequest;
applyRequest.InsertVerticesInTarget = false;
applyRequest.ChangedVerticesZSource = (int)ChangeAlongZSource.InterpolatedSource;
applyResponse = ChangeAlongServiceUtils.ApplyCutLines(applyRequest, null);
Assert.AreEqual(2, applyResponse.ResultFeatures.Count);
cutGeometries = applyResponse.ResultFeatures.Select(GetShape).ToList();
Assert.AreEqual(1000 * 1000, cutGeometries.Sum(g => ((IArea)g).Area));
multiPolycurves =
cutGeometries
.Select(g => GeometryConversionUtils.CreateMultiPolycurve((IPolycurve)g))
.ToList();
foreach (MultiPolycurve multiPolycurve in multiPolycurves)
{
List <Line3D> segments
= multiPolycurve.FindSegments(midPoint, 0.001)
.Select(kvp => kvp.Value).ToList();
Assert.AreEqual(2, segments.Count);
// Check if they are properly ordered and same length
Assert.AreEqual(segments[0].EndPoint, segments[1].StartPoint);
Assert.AreEqual(segments[0].Length2D, segments[1].Length2D);
// Check if they are interpolated
double average = (segments[0].StartPoint.Z + segments[1].EndPoint.Z) / 2;
Assert.AreEqual(average, segments[0].EndPoint.Z);
}
//
// Cutting - Plane
//
applyRequest = new ApplyCutLinesRequest();
applyRequest.CutLines.Add(calculateResponse.CutLines[0]);
applyRequest.CalculationRequest = calculationRequest;
applyRequest.InsertVerticesInTarget = false;
applyRequest.ChangedVerticesZSource = (int)ChangeAlongZSource.SourcePlane;
applyResponse = ChangeAlongServiceUtils.ApplyCutLines(applyRequest, null);
Assert.AreEqual(2, applyResponse.ResultFeatures.Count);
cutGeometries = applyResponse.ResultFeatures.Select(GetShape).ToList();
Assert.AreEqual(1000 * 1000, cutGeometries.Sum(g => ((IArea)g).Area));
multiPolycurves =
cutGeometries
.Select(g => GeometryConversionUtils.CreateMultiPolycurve((IPolycurve)g))
.ToList();
foreach (MultiPolycurve multiPolycurve in multiPolycurves)
{
bool?coplanar = ChangeAlongZUtils.AreCoplanar(
multiPolycurve.GetPoints().ToList(), sourcePlane,
0.01, out double _, out string _);
Assert.IsTrue(coplanar);
}
}