/// <summary>
/// Imports sequence of chunks.
/// </summary>
public static PointSet Chunks(IEnumerable <Chunk> chunks, ImportConfig config)
{
// optionally filter minDist
if (config.MinDist > 0.0)
{
chunks = chunks.Select(x => x.ImmutableFilterSequentialMinDistL1(config.MinDist));
}
// optionally deduplicate points
if (config.DeduplicateChunks)
{
chunks = chunks.Select(x => x.ImmutableDeduplicate());
}
// optionally reproject positions and/or estimate normals
if (config.Reproject != null || config.EstimateNormals != null)
{
Chunk map(Chunk x, CancellationToken ct)
{
if (config.Reproject != null)
{
var ps = config.Reproject(x.Positions);
x = x.WithPositions(ps);
}
if (config.EstimateNormals != null)
{
var ns = config.EstimateNormals(x.Positions);
x = x.WithNormals(ns);
}
return(x);
}
chunks = chunks.MapParallel(map, config.MaxDegreeOfParallelism, null, config.CancellationToken);
}
// reduce all chunks to single PointSet
var final = chunks
.MapReduce(config.WithRandomKey().WithProgressCallback(x => config.ProgressCallback(x * 0.66)))
;
// optionally create LOD data
if (config.CreateOctreeLod)
{
final = final.GenerateLod(config.WithRandomKey().WithProgressCallback(x => config.ProgressCallback(0.66 + x * 0.34)));
}
// create final point set with specified key (or random key when no key is specified)
var key = config.Key ?? Guid.NewGuid().ToString();
final = new PointSet(config.Storage, key, final?.Root?.Value?.Id, config.OctreeSplitLimit);
config.Storage.Add(key, final, config.CancellationToken);
return(final);
}
/// <summary>
/// Imports sequence of chunks.
/// </summary>
public static PointSet Chunks(IEnumerable <Chunk> chunks, ImportConfig config)
{
config?.ProgressCallback(0.0);
// deduplicate points
chunks = chunks.Select(x => x.ImmutableDeduplicate(config.Verbose));
// merge small chunks
chunks = MergeSmall(config.MaxChunkPointCount, chunks);
// filter minDist
if (config.MinDist > 0.0)
{
if (config.NormalizePointDensityGlobal)
{
chunks = chunks.Select(x => x.ImmutableFilterMinDistByCell(new Cell(x.BoundingBox), config.ParseConfig));
}
else
{
chunks = chunks.Select(x => x.ImmutableFilterSequentialMinDistL1(config.MinDist));
}
}
// merge small chunks
chunks = MergeSmall(config.MaxChunkPointCount, chunks);
// EXPERIMENTAL
//Report.BeginTimed("unmix");
//chunks = chunks.ImmutableUnmixOutOfCore(@"T:\tmp", 1, config);
//Report.End();
// reproject positions and/or estimate normals
if (config.Reproject != null)
{
Chunk map(Chunk x, CancellationToken ct)
{
if (config.Reproject != null)
{
var ps = config.Reproject(x.Positions);
x = x.WithPositions(ps);
}
return(x);
}
chunks = chunks.MapParallel(map, config.MaxDegreeOfParallelism, null, config.CancellationToken);
}
// reduce all chunks to single PointSet
Report.BeginTimed("map/reduce");
var final = chunks
.MapReduce(config.WithRandomKey().WithProgressCallback(x => config.ProgressCallback(0.01 + x * 0.65)))
;
Report.EndTimed();
// create LOD data
Report.BeginTimed("generate lod");
final = final.GenerateLod(config.WithRandomKey().WithProgressCallback(x => config.ProgressCallback(0.66 + x * 0.34)));
if (final.Root != null && config.Storage.GetPointCloudNode(final.Root.Value.Id) == null)
{
throw new InvalidOperationException("Invariant 4d633e55-bf84-45d7-b9c3-c534a799242e.");
}
Report.End();
// create final point set with specified key (or random key when no key is specified)
var key = config.Key ?? Guid.NewGuid().ToString();
#pragma warning disable CS0618 // Type or member is obsolete
final = new PointSet(config.Storage, key, final?.Root?.Value?.Id, config.OctreeSplitLimit);
#pragma warning restore CS0618 // Type or member is obsolete
config.Storage.Add(key, final);
return(final);
}