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Version ?.?.? - yyyy-mm-dd

  • The maximum number of issues that are reported for a single glTF asset is now limited (via #291).
  • When the number of bytes that are required for a certain property texture property did not match the number of channels, then the validator reported this as an ERROR, with the type TEXTURE_CHANNELS_OUT_OF_RANGE. This could cause errors to be reported for the case of 16-bit channels in textures, where these numbers do not have to match. Now, these cases are only reported as a WARNING, of the type TEXTURE_CHANNELS_SIZE_MISMATCH.

Version 0.5.0 - 2023-10-24

  • Added validation of glTF extensions via #280 and #284. In addition to the basic validation of glTF tile content that is performed with the glTF validator, the 3D Tiles Validator now checks the validity of certain glTF extensions:
    • For EXT_mesh_features, it will check the validity of feature ID attributes and feature ID textures
    • For EXT_instance_features, it will check the validity of the feature ID attributes that refer to the EXT_mesh_gpu_instancing extension
    • For EXT_structural_metadata, it will check the validity of the metadata schema definition, property tables, property attributes, and property textures
  • Added a command line functionality for validating single tile content files (glTF/GLB, B3DM, I3DM, PNTS, and CMPT), via #285
  • When an I3DM refers to an external glTF asset with a URI, then the URI has to be padded with 0x20 (space) bytes if necessary to satisfy the alignment requirements. The validator only accepted 0x00 (zero) bytes as padding bytes. Now the validator properly handles trailing spaces, and reports the presence of zero-bytes with a validation warning (#276)
  • Changed the severity level of validation issues:
    • The case that the geometricError of a tile was larger than the geometricError of its parent was reported as an ERROR. The specification does not explicitly disallow this, so it is now only treated as a WARNING (#286)
    • An empty children array in a tile was treated as an ERROR, but is now treated as a WARNING, via #288

Version 0.4.1 - 2023-05-02

  • Moved most of the internal implementation into the 3d-tiles-tools, and replaced it with a dependency to 3d-tiles-tools
  • Detect cycles in external tilesets (#269)
  • Handle 3D Tiles packages that contain entries that are individually compressed with GZIP

Version 0.4.0 - 2023-01-31

  • Padding bytes in B3DM that had only be inserted to align its length to 8 bytes had not been handled properly, and caused unwanted validation warnings. This case is now handled by restricting the glTF validation to the GLB without padding bytes (#256)
  • When a tileset referred to glTF (JSON) data that could not be resolved, then this was ignored. Now, it creates an error saying that the data could not be resolved. The treatment of non-resolvable data might be configured with validation options in the future (see #224)
  • When the glTF validator generated messages with the "hint" severity, these had not been shown in the tileset validation report. Now, they show up as issues with the INFO severity level.
  • The tile.transform matrices had been checked to be invertible. Now they are checked to be affine (#262).
  • Fixed a bug where the validation of PNTS caused wrong validation issues for the batch table length for batched point clouds.
  • Added experimental support for validating tileset package files. The --tilesetFile that is given at the command line can now also be a 3TZ or 3DTILES file.
  • When input JSON files contained a Unicode BOM (Byte Order Mark), the validator reported a JSON_PARSE_ERROR without information about the reason for the parsing error. Now it reports an IO_ERROR with a helpful error message.

Version 0.3.0 - 2022-12-20

  • Updated the packaging so that the validator can more easily be executed as a command line tool after installing
  • Updated the scripts in package.json to simplify the packaging process

Version 0.2.0 - 2022-12-13

  • Add support for validation options that allow to include/exclude certain content types for the validation. These options can either be given via the --optionsFile command line argument, or passed as an optional parameter to Validators.validateTilesetFile.
  • Fixed a bug where the content data was not validated when the validator was used as a library (#248)
  • Fixed a bug that caused validation errors for statistics.class properties
  • When a tileset input file did not exist, the validator generated a JSON_PARSE_ERROR. Now it generates an IO_ERROR (including the file path) instead.
  • Dependency updates:
    • Updated better-sqlite3 from 7.5.3 to 8.0.1 (for compatibility with Node 19 - see #245)
    • Removed jasmine-node
    • Removed tsconfig/node16
    • Reduced engines.node version from >=16.0.0 to >=14.0.0

Version 0.1.0 - 2022-11-29

  • Initial release