public void CanReplaceSegmentsWithNonZAwareReplacement()
{
ISpatialReference lv95 =
SpatialReferenceUtils.CreateSpatialReference(WellKnownHorizontalCS.LV95,
WellKnownVerticalCS.LHN95);
IPolyline originalPolyline = GeometryFactory.CreatePolyline(
GeometryFactory.CreatePath(
GeometryFactory.CreatePoint(2600000, 1200000, 400, double.NaN, lv95),
GeometryFactory.CreatePoint(2600010, 1200000, 410, double.NaN, lv95),
GeometryFactory.CreatePoint(2600020, 1200000, 410, double.NaN, lv95),
GeometryFactory.CreatePoint(2600030, 1200000, 420, double.NaN, lv95)));
IPath replacement = GeometryFactory.CreatePath(
GeometryFactory.CreatePoint(2600010, 1200000, 0, double.NaN, lv95),
GeometryFactory.CreatePoint(2600015, 1200010, 500, double.NaN, lv95),
GeometryFactory.CreatePoint(2600020, 1200000, 900, double.NaN, lv95));
// NOTE: The Z value of the first point of the replacement is used, however, the envelope of the resulting pathToReshape is not updated!
// Hence it is crucial to insert the exact replacement end points into the geometry to reshape!
IPolyline polyline = GeometryFactory.Clone(originalPolyline);
var pathToReshape =
(ISegmentCollection)((IGeometryCollection)polyline).Geometry[0];
GeometryUtils.MakeNonZAware(replacement);
SegmentReplacementUtils.ReplaceSegments((IPath)pathToReshape, replacement,
replacement.FromPoint, replacement.ToPoint);
Assert.AreEqual(410, ((IPointCollection)pathToReshape).Point[1].Z);
Assert.AreEqual(400, polyline.Envelope.ZMin,
"Envelope is not inconsistent any more after segment replacment!");
// Now connect within a segment:
IPoint firstPoint = replacement.FromPoint;
firstPoint.X = 2600007;
((IPointCollection)replacement).UpdatePoint(0, firstPoint);
polyline = GeometryFactory.Clone(originalPolyline);
pathToReshape = (ISegmentCollection)((IGeometryCollection)polyline).Geometry[0];
GeometryUtils.MakeNonZAware(replacement);
SegmentReplacementUtils.ReplaceSegments((IPath)pathToReshape, replacement,
replacement.FromPoint, replacement.ToPoint);
Assert.AreEqual(407, ((IPointCollection)pathToReshape).Point[1].Z);
Assert.AreEqual(400, polyline.Envelope.ZMin,
"Envelope is not inconsistent any more after segment replacment!");
}
public void LearningTest_ReplaceSegmentsWithNonIdenticalConnectPointsZs()
{
ISpatialReference lv95 =
SpatialReferenceUtils.CreateSpatialReference(WellKnownHorizontalCS.LV95,
WellKnownVerticalCS.LHN95);
IPolyline originalPolyline = GeometryFactory.CreatePolyline(
GeometryFactory.CreatePath(
GeometryFactory.CreatePoint(2600000, 1200000, 400, double.NaN, lv95),
GeometryFactory.CreatePoint(2600010, 1200000, 405, double.NaN, lv95),
GeometryFactory.CreatePoint(2600020, 1200000, 410, double.NaN, lv95),
GeometryFactory.CreatePoint(2600030, 1200000, 420, double.NaN, lv95)));
IPath replacement = GeometryFactory.CreatePath(
GeometryFactory.CreatePoint(2600010, 1200000, 0, double.NaN, lv95),
GeometryFactory.CreatePoint(2600015, 1200010, 500, double.NaN, lv95),
GeometryFactory.CreatePoint(2600020, 1200000, 900, double.NaN, lv95));
// NOTE: The Z value of the first point of the replacement is used, however, the envelope of the resulting pathToReshape is not updated!
// Hence it is crucial to insert the exact replacement end points into the geometry to reshape!
IPolyline polyline = GeometryFactory.Clone(originalPolyline);
var pathToReshape =
(ISegmentCollection)((IGeometryCollection)polyline).Geometry[0];
pathToReshape.ReplaceSegmentCollection(1, 2, (ISegmentCollection)replacement);
// This makes no difference:
//pathToReshape.SegmentsChanged();
Assert.AreEqual(0, ((IPointCollection)pathToReshape).Point[1].Z);
Assert.AreEqual(400, polyline.Envelope.ZMin,
"Envelope is not inconsistent any more after ArcObjects segment replacment!");
// Make sure this does not happen in SegmentReplacementUtils
polyline = GeometryFactory.Clone(originalPolyline);
pathToReshape = (ISegmentCollection)((IGeometryCollection)polyline).Geometry[0];
SegmentReplacementUtils.ReplaceSegments((IPath)pathToReshape, replacement,
replacement.FromPoint, replacement.ToPoint);
Assert.AreEqual(0, ((IPointCollection)pathToReshape).Point[1].Z);
Assert.AreEqual(0, polyline.Envelope.ZMin,
"Envelope is inconsistent after SegmentReplacementUtils.ReplaceSegments!");
}
