protected override IEnumerable <ParallelSegmentPair> GetParallelSegmentPairs()
{
int lastPartIndex = -1;
var ringSegments = new List <SegmentProxy>();
foreach (SegmentProxy segment in _multiPatch.GetSegments())
{
if (segment.PartIndex != lastPartIndex)
{
foreach (ParallelSegmentPair pair in GetParallelSegmentPairs(ringSegments))
{
yield return(pair);
}
ringSegments.Clear();
lastPartIndex = segment.PartIndex;
}
ringSegments.Add(segment);
}
foreach (ParallelSegmentPair pair in GetParallelSegmentPairs(ringSegments))
{
yield return(pair);
}
}
public MultiPatchPartsSliverAreaProvider(
[NotNull] IIndexedMultiPatch indexedMultiPatch)
{
_indexedMultiPatch = indexedMultiPatch;
_segmentsEnum = _indexedMultiPatch.GetSegments().GetEnumerator();
_enumValid = _segmentsEnum.MoveNext();
}
private static void ValidateForm([NotNull] IIndexedMultiPatch indexedMultiPatch,
[NotNull] IEnumerable <WKSPointZ> projected)
{
var pre = new WKSPointZ();
bool notFirst = false;
IEnumerator <SegmentProxy> segments =
indexedMultiPatch.GetSegments().GetEnumerator();
foreach (WKSPointZ wksPoint in projected)
{
Assert.AreEqual(0, wksPoint.Z);
if (notFirst)
{
double dx = wksPoint.X - pre.X;
double dy = wksPoint.Y - pre.Y;
double length = Math.Sqrt(dx * dx + dy * dy);
Assert.IsTrue(segments.MoveNext());
Assert.IsNotNull(segments.Current);
const bool as3D = true;
IPnt start = segments.Current.GetStart(as3D);
IPnt end = segments.Current.GetEnd(as3D);
double segDx = end.X - start.X;
double segDy = end.Y - start.Y;
double segDz = end[2] - start[2];
double segmentLength = Math.Sqrt(segDx * segDx + segDy * segDy + segDz * segDz);
Assert.IsTrue(Math.Abs(segmentLength - length) < 1.0e-8);
}
pre = wksPoint;
notFirst = true;
}
}
public SurfaceSegmentsPlaneProvider(
[NotNull] IIndexedMultiPatch indexedMultiPatch)
: base(indexedMultiPatch)
{
_indexedMultiPatch = indexedMultiPatch;
_segmentsEnum = _indexedMultiPatch.GetSegments().GetEnumerator();
_enumValid = _segmentsEnum.MoveNext();
}
public void IsPlaneVerticalTest()
{
var construction = new MultiPatchConstruction();
construction.StartRing(0, 0, 0)
.Add(5, 0, 0)
.Add(5, 0, 5)
.Add(0, 0, 5);
IMultiPatch multiPatch = construction.MultiPatch;
IIndexedMultiPatch indexedMultiPatch =
QaGeometryUtils.CreateIndexedMultiPatch(multiPatch);
Plane plane = QaGeometryUtils.CreatePlane(indexedMultiPatch.GetSegments());
WKSPointZ normal = plane.GetNormalVector();
Assert.AreEqual(0, normal.Z);
}
public void CanProjectToPlaneTest()
{
var construction = new MultiPatchConstruction();
construction.StartRing(0, 0, 0)
.Add(5, 0, 0)
.Add(5, 0, 5)
.Add(0, 0, 5);
IMultiPatch multiPatch = construction.MultiPatch;
IIndexedMultiPatch indexedMultiPatch =
QaGeometryUtils.CreateIndexedMultiPatch(multiPatch);
IList <Pnt> points = QaGeometryUtils.GetPoints(indexedMultiPatch.GetSegments());
Plane plane = QaGeometryUtils.CreatePlane(points);
IList <WKSPointZ> projected = QaGeometryUtils.ProjectToPlane(plane, points);
ValidateForm(indexedMultiPatch, projected);
}
protected override IEnumerable <ParallelSegmentPair> GetParallelSegmentPairs()
{
return(GetParallelSegmentPairs(_multiPatch.GetSegments()));
}
protected override IEnumerable <HeightSegmentPair> GetHeightSegmentPairs()
{
return(GetHeightSegmentPairs(_multiPatch.GetSegments()));
}