private List <PlaneHelper> GetPlaneHelpers([NotNull] IFeature feature)
{
const bool includeAssociatedParts = true;
SegmentsPlaneProvider planeProvider =
SegmentsPlaneProvider.Create(feature, includeAssociatedParts);
var indexedMultiPatch = (IIndexedMultiPatch)planeProvider.IndexedSegments;
var result = new List <PlaneHelper>();
SegmentsPlane segmentsPlane;
while ((segmentsPlane = planeProvider.ReadPlane()) != null)
{
result.Add(PlaneHelper.Create(segmentsPlane, indexedMultiPatch, this));
}
return(result);
}
private static IEnumerable <Either <NonPlanarError, SegmentsPlane> > GetPlanarRings(
[NotNull] IFeature planarFeature, double coplanarityTolerance)
{
SegmentsPlaneProvider provider =
SegmentsPlaneProvider.Create(planarFeature, false);
SegmentsPlane segPlane;
while ((segPlane = provider.ReadPlane()) != null)
{
// check for co-planarity
double maximumOffset;
yield return(IsCoplanar(segPlane, planarFeature, coplanarityTolerance,
out maximumOffset)
? new Either <NonPlanarError, SegmentsPlane>(segPlane)
: new NonPlanarError("Coplanarity tolerance is exceeded",
maximumOffset, segPlane));
}
}
protected override int ExecuteCore(IRow row, int tableIndex)
{
int errorCount = 0;
var feature = row as IFeature;
if (feature == null)
{
return(errorCount);
}
var geometryCollection = feature.Shape as IGeometryCollection;
if (geometryCollection == null)
{
return(errorCount);
}
SegmentsPlaneProvider segmentsPlaneProvider = GetPlaneProvider(feature);
SegmentsPlane segmentsPlane;
while ((segmentsPlane = segmentsPlaneProvider.ReadPlane()) != null)
{
Plane3D plane;
try
{
plane = segmentsPlane.Plane;
}
catch (Exception e)
{
errorCount += ReportInvalidPlane(
$"Unable to determine plane: {e.Message}", segmentsPlane,
feature);
continue;
}
if (!plane.IsDefined)
{
errorCount += ReportInvalidPlane(
"The segments of this face are collinear and do not define a valid plane",
segmentsPlane, feature);
continue;
}
double coplanarityTolerance = GeomUtils.AdjustCoplanarityTolerance(plane,
_coplanarityTolerance,
_zResolution,
_xyResolution);
double maxOffset = -1;
int segmentsCount = 0;
foreach (SegmentProxy segment in segmentsPlane.Segments)
{
segmentsCount++;
IPnt point = segment.GetStart(true);
//double f = normal.X * point.X + normal.Y * point.Y +
// normalZ * point[2] + nf;
// double offset = Math.Abs(f);
double offset = plane.GetDistanceAbs(point.X, point.Y, point[2]);
if (offset <= coplanarityTolerance)
{
continue;
}
maxOffset = Math.Max(offset, maxOffset);
}
if (segmentsCount < 3)
{
// TODO no need to check here once the plane is undefined in this case --> REMOVE
const string description =
"The segments of this face are collinear and do not define a valid plane";
IGeometry errorGeometry = GetErrorGeometry(feature.Shape.GeometryType,
segmentsPlane.Segments);
errorCount += ReportError(description, errorGeometry,
Codes[Code.FaceDoesNotDefineValidPlane],
null,
row);
continue;
}
if (maxOffset > 0)
{
string comparison = FormatLengthComparison(
maxOffset, ">", _coplanarityTolerance,
feature.Shape.SpatialReference);
string description =
$"Face with {segmentsCount} segments is not planar, max. offset = {comparison}";
IGeometry errorGeometry = GetErrorGeometry(feature.Shape.GeometryType,
segmentsPlane.Segments);
errorCount += ReportError(description, errorGeometry,
Codes[Code.FaceNotCoplanar],
TestUtils.GetShapeFieldName(feature),
InvolvedRowUtils.GetInvolvedRows(row),
new object[] { maxOffset });
}
}
return(errorCount);
}