private void EnsurePositionsAndDerived()
{
if (m_ensuredPositionsAndDerived)
{
return;
}
var result = GetSubArray(Octree.PositionsLocal3f, Node.Positions);
m_cache[Octree.PositionsLocal3f.Id] = result;
var psLocal = result.Value;
var c = Center;
var psGlobal = psLocal.Map(p => (V3d)p + c);
m_cache[Octree.PositionsGlobal3d.Id] = psGlobal;
var bboxLocal = psLocal.Length > 0 ? new Box3f(psLocal) : Box3f.Invalid;
m_cache[Octree.BoundingBoxExactLocal.Id] = bboxLocal;
var kd = psLocal.BuildKdTree();
var pRefKd = new PersistentRef <PointRkdTreeF <V3f[], V3f> >(Guid.NewGuid().ToString(), _ => kd, _ => (true, kd));
m_cache[Octree.PointRkdTreeFData.Id] = pRefKd;
m_ensuredPositionsAndDerived = true;
}
/// <summary>
/// Creates pointset from given root cell.
/// </summary>
public PointSet(Storage storage, string key, Guid?rootCellId, long splitLimit)
{
Storage = storage;
Id = key ?? throw new ArgumentNullException(nameof(key));
SplitLimit = splitLimit;
if (rootCellId.HasValue)
{
Root = new PersistentRef <PointSetNode>(rootCellId.ToString(), storage.GetPointSetNode);
}
}
private PersistentRef <T[]> GetSubArray <T>(Def def, PersistentRef <T[]> originalValue)
{
if (m_cache.TryGetValue(def.Id, out var o) && o is PersistentRef <T[]> x)
{
return(x);
}
if (originalValue == null)
{
return(null);
}
// should be empty not null, right?
if (m_activePoints == null)
{
return(originalValue);
}
var key = (Id + originalValue.Id).ToGuid().ToString();
var xs = originalValue.Value.Where((_, i) => m_activePoints.Contains(i)).ToArray();
var result = new PersistentRef <T[]>(key, _ => xs, _ => (true, xs));
m_cache[def.Id] = result;
return(result);
}
/// <summary>
/// Creates pointset from given root cell.
/// </summary>
public PointSet(Storage storage, string key, IPointCloudNode root, int splitLimit)
{
if (root == null)
{
throw new ArgumentNullException(nameof(root));
}
Storage = storage;
Id = key ?? throw new ArgumentNullException(nameof(key));
SplitLimit = splitLimit;
if (key != null)
{
Root = new PersistentRef <IPointCloudNode>(root.Id.ToString(), storage.GetPointCloudNode, storage.TryGetPointCloudNode);
}
}
private PointSetNode(Guid id,
Cell cell, long pointCountTree,
Guid?psId, Guid?csId, Guid?kdId, Guid?nsId, Guid?isId,
Guid?lodPsId, Guid?lodCsId, Guid?lodKdId, Guid?lodNsId, Guid?lodIsId,
Guid?[] subnodeIds, Storage storage, bool writeToStore
)
{
if (subnodeIds != null && subnodeIds.Count(x => x.HasValue) > 0 && pointCountTree == 0)
{
throw new ArgumentException(nameof(pointCountTree), "Must not be 0 for inner nodes.");
}
Storage = storage;
Id = id;
Cell = cell;
PointCountTree = pointCountTree;
SubnodeIds = subnodeIds;
if (psId.HasValue)
{
Attributes[C_POSITIONS] = psId.Value;
}
if (csId.HasValue)
{
Attributes[C_COLORS] = csId.Value;
}
if (kdId.HasValue)
{
Attributes[C_KDTREE] = kdId.Value;
}
if (nsId.HasValue)
{
Attributes[C_NORMALS] = nsId.Value;
}
if (isId.HasValue)
{
Attributes[C_INTENSITIES] = isId.Value;
}
if (lodPsId.HasValue)
{
Attributes[C_LOD_POSITIONS] = lodPsId.Value;
}
if (lodCsId.HasValue)
{
Attributes[C_LOD_COLORS] = lodCsId.Value;
}
if (lodKdId.HasValue)
{
Attributes[C_LOD_KDTREE] = lodKdId.Value;
}
if (lodNsId.HasValue)
{
Attributes[C_LOD_NORMALS] = lodNsId.Value;
}
if (lodIsId.HasValue)
{
Attributes[C_LOD_INTENSITIES] = lodIsId.Value;
}
if (IsLeaf && PointCount != PointCountTree)
{
throw new InvalidOperationException();
}
if (psId != null)
{
Positions = new PersistentRef <V3f[]>(psId.ToString(), storage.GetV3fArray);
}
if (csId != null)
{
Colors = new PersistentRef <C4b[]>(csId.ToString(), storage.GetC4bArray);
}
if (kdId != null)
{
KdTree = new PersistentRef <PointRkdTreeD <V3f[], V3f> >(kdId.ToString(), LoadKdTree);
}
if (nsId != null)
{
Normals = new PersistentRef <V3f[]>(nsId.ToString(), storage.GetV3fArray);
}
if (isId != null)
{
Intensities = new PersistentRef <int[]>(isId.ToString(), storage.GetIntArray);
}
if (lodPsId != null)
{
LodPositions = new PersistentRef <V3f[]>(lodPsId.ToString(), storage.GetV3fArray);
}
if (lodCsId != null)
{
LodColors = new PersistentRef <C4b[]>(lodCsId.ToString(), storage.GetC4bArray);
}
if (lodKdId != null)
{
LodKdTree = new PersistentRef <PointRkdTreeD <V3f[], V3f> >(lodKdId.ToString(), LoadKdTree);
}
if (lodNsId != null)
{
LodNormals = new PersistentRef <V3f[]>(lodNsId.ToString(), storage.GetV3fArray);
}
if (lodIsId != null)
{
LodIntensities = new PersistentRef <int[]>(lodIsId.ToString(), storage.GetIntArray);
}
if (subnodeIds != null)
{
Subnodes = new PersistentRef <PointSetNode> [8];
for (var i = 0; i < 8; i++)
{
if (subnodeIds[i] == null)
{
continue;
}
var pRef = new PersistentRef <PointSetNode>(subnodeIds[i].ToString(), storage.GetPointSetNode);
Subnodes[i] = pRef;
#if DEBUG && PEDANTIC
var subNodeIndex = pRef.Value.Cell;
if (Cell.GetOctant(i) != subNodeIndex)
{
throw new InvalidOperationException();
}
if (!Cell.Contains(subNodeIndex))
{
throw new InvalidOperationException();
}
if (Cell.Exponent != subNodeIndex.Exponent + 1)
{
throw new InvalidOperationException();
}
#endif
}
#if DEBUG && PEDANTIC
if (PointCountTree != PointCount + Subnodes.Map(x => x?.Value != null ? x.Value.PointCountTree : 0).Sum())
{
throw new InvalidOperationException();
}
#endif
}
BoundingBox = Cell.BoundingBox;
Center = BoundingBox.Center;
Corners = BoundingBox.ComputeCorners();
if (writeToStore)
{
storage.Add(Id.ToString(), this, CancellationToken.None);
}
#if DEBUG
if (PositionsId == null && PointCount != 0)
{
throw new InvalidOperationException();
}
#if PEDANTIC
if (PositionsId != null && Positions.Value.Length != PointCount)
{
throw new InvalidOperationException();
}
#endif
if (IsLeaf)
{
if (PositionsId == null)
{
throw new InvalidOperationException();
}
if (KdTreeId == null)
{
throw new InvalidOperationException();
}
}
else
{
if (PositionsId != null)
{
throw new InvalidOperationException();
}
if (ColorsId != null)
{
throw new InvalidOperationException();
}
if (KdTreeId != null)
{
throw new InvalidOperationException();
}
if (NormalsId != null)
{
throw new InvalidOperationException();
}
if (IntensitiesId != null)
{
throw new InvalidOperationException();
}
}
#endif
PointRkdTreeD <V3f[], V3f> LoadKdTree(string key, CancellationToken ct)
{
var data = Storage.GetPointRkdTreeDData(key, ct);
var ps = Positions.Value;
return(new PointRkdTreeD <V3f[], V3f>(
3, ps.Length, ps,
(xs, i) => xs[(int)i], (v, i) => (float)v[i],
(a, b) => V3f.Distance(a, b), (i, a, b) => b - a,
(a, b, c) => VecFun.DistanceToLine(a, b, c), VecFun.Lerp, 1e-9,
data
));
}
}
