/// <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); }