Changelog

1.7.5#

• upgrade yargs
• allow stdin input for pipeline mode
• fix ModifyTask Invalid array length

1.7.4#

• fix CPU voxel worker startup

1.7.3#

• make writableToWeb more robust
• fix precision may not enough during build_cache
• make AutoChunkLod level merging and permanent-file selection configurable with merged and permanent

1.7.2#

• fix use WritableStream from Writable won't wait write finish
• simplify split_box

1.7.1#

• split support reference normal axis
• merge small neighbor blocks
• strict gaussian validation, try make input valid.
• fix esz stream output

1.7.0#

• rename files, move workers to standalone directories
• make native implementation more stable
• replace the legacy ZIP-based ESZ container with zstd-streamed ESZ v2 and add low- and high-precision layouts
• stream SPZ v3 writes and v4 reads with stricter validation
• replace buffered PLY and SPLAT decoding with streaming reads to reduce peak memory usage

1.6.3#

• add split command
• replace commander with yargs
• use Float32Array instead of Buffer for splat output
• parallelize splat writes with workers
• add exception handle for native module

1.6.2#

• reduce lod write out memory overhead
• rename native api

1.6.1#

• allow import with extensions
• remove invalid data before merge

1.6.0#

• add inject custom task.

1.5.2#

• upgrade fflate to ^0.8.3
• rebuild dawn with D3D12, Vulkan and Metal only.

1.5.1#

• Add a compression option for voxel binary output with none, gzip, and zstd modes.
• Improve voxel robustness with a filterCluster fallback for weak default seeds and automatic dense bounds for scale outliers.
• sync dawn builds

1.4.2#

• fix typo in list:gpu output

1.4.1#

• add list:gpu command

1.4.0#

• upgrade commander to 15.0.0
• add win32-arm64 pre build binary

1.3.2#

• try fix linux-arm64 issues by upgrade clang

1.3.1#

• fix block split

1.3.0#

• update license to MIT and OPEN SOURCE

1.2.11#

• Remove the webgpu dependency and switch to a self-built version.
• Optimize k-means computation with vec4 alignment and simplified Euclidean distance calculation. Performance improves by about 50%.
• Optimize clusterAverage to reduce JavaScript-side overhead.
• Share the native thread pool.

1.2.10#

• Add a prebuilt osx-arm64 package.

1.2.9#

• Improve the coding style by enabling verbatimModuleSyntax and isolatedModules, and migrate to OXC.
• Improve native module loading.
• Update the voxel output format version to 1.2. Add gzip compression and a compact encoding mode; both are disabled by default.
• Enable filterCluster prefiltering for voxel output by default.

1.2.8#

• Upgrade to typescript@^6.0.3.
• Prevent WebP encoding from compressing fully transparent data.
• Add support for spz v4 input and output. The default remains v3.
• Add support for esz input and output.

1.2.7#

• Add maxShDegree parameter support to ReadTask.

1.2.6#

• Add a CPU implementation for voxelization and optimize several algorithms.
• Optimize the voxel output format.

1.2.5#

• Fix a LOD construction error when SplatData.counts = 0.

1.2.4#

• Add support for generating voxel colliders.
• Add multitask support for AVIF encoding and decoding.
• Build the Linux version with glibc.
• Fix LOD chunk generation failures for small files.
• Optimize the logger.

1.2.3#

• Optimize internal code and remove unused implementations.
• Update the chunk-lod forward box calculation to match application requirements.

1.2.2#

• Add libavif.
• Reorganize the file structure and remove the IData structure.
• Fix delete failures caused by conflicts between modify and chunk-lod.

1.2.1#

• Add GPU device selection support.
• Add MortonSort support to write to improve the compression ratio.

1.2.0#

• Refactor CLI commands.
• Change the underlying implementation to composable pipeline tasks, reducing the number of saved files.
• Use double precision for intermediate calculations and remove invalid code.
• Add getOrCreateDevice for sharing GPU devices.
• Improve auto-lod so it stays closer to the target value.
• Optimize output.

1.1.2#

• Add the nanogs search algorithm.
• Add the --max-chunk-counts parameter.

1.1.1#

• Optimize LOD parameters to avoid long-running execution.

1.1.0#

• Update CLI invocation parameters.
• Optimize lod:auto to avoid OOM issues caused by delayed memory release.
• Add the lod:auto-chunk command.
• Add exponential stepping support for multi-level LOD.
• Optimize auto-chunk output.

1.0.8#

• Optimize Gaussian spatial partitioning.
• Optimize Gaussian bounding boxes and remove data with excessive offsets.
• Fix incorrect quality parsing for lossy webP encoding.
• Fix LOD command errors.
• Optimize cluster_average parallel granularity.

1.0.7#

• Add support for SOG output.

1.0.6#

• Optimize built-in LOD parameters.

1.0.5#

• Optimize built-in LOD parameters.

1.0.4#

• Fix an error when create parses deletedIndicesBitMap.

1.0.3#

• Optimize autoLod results and implementation.

1.0.2#

• Add streaming parsing and writing support to reduce memory usage.
• Add autoLod support for generating LOD results from 3DGS data.
  • splat-transform lod --type auto --ratio 0.3 simiao.ply simiao-lod.spz

1.0.1#

• Add bin.est to avoid conflicts when used together with @playcanvas/splat-transform.

1.0.0#

• Publish the first stable package.