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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

v4.0.0 (2023-01-09)

BREAKING CHANGE

  • The parameter srs_in and srs_out of py3dtiles.convert.convert have been renamed to crs_in and crs_out. Furthermore, their type is no longer int or str but pyproj.CRS. No change has been made to the command-line py3dtiles convert, but you can use proj4 string in addition to epsg code. To migrate old code, instead of:
from py3dtiles.convert import convert
# ...
convert('without_srs.las', outfolder=tmp_dir, crs_out='4978')

you can do:

from pyproj import CRS
from py3dtiles.convert import convert
# ...
convert('without_srs.las', outfolder=tmp_dir, crs_out=CRS.from_epsg(4978))
  • SrsInMissingException has been moved from py3dtiles/utils.py to py3dtiles/exceptions.py.

Feat

The main feature of this release is that you can now mix las/laz/xyz files in one invocation of the convert function.

Fix

  • shared_node_store.py: fix node removing in cache if already deleted
  • change srs_in to srs_out to fix refactoring error
  • avoid duplicate points when the mode is replace

Refactor

  • convert: rename the 'infos' variable and function to 'file_info'
  • convert: use CRS almost everywhere instead of string representing epsg code
  • exceptions: move all custom exceptions at the same place
  • convert: use a dictionary to find the correct reader
  • fix issues find by pre-commit

Chores

  • add pre-commit hooks

v3.0.0

BREAKING

Some renaming has been done to better follow the 3dtiles specification:

  • TileHeader -> TileContentHeader
  • TileBody -> TileContentBody
  • The API of merger.py::merge wasn't really convenient to use and has now changed. Now the signature is:
def merge(folder: Union[str, Path], overwrite: bool = False, verbose: int = 0) -> None
  • the argument verbose of the cli interface has changed. To increase the verbosity, the number of -v is counted (-vv will be a verbose of 2).
  • Boolean options has been changed from --foo=1 to simple flags: --foo. Affected options are --overwrite and --graph.
  • --rgb=no has been replaced by a --no-rgb option to deactivate it. The default is still to keep color information

Features

  • support laz if laszip is installed
  • windows support (NOTE: testers needed)
  • Some classes to represent 3Dtiles concepts have been added:
    • BoundingVolumeBox
    • TileSet
    • Tile
    • uExtension

Fix

  • The geometric error of two merged tilesets is now the biggest of the two tileset geometric error divided by the ratio of kept points. We believe this use of GeometricError fits more the spirit of the specification.
  • node: avoid empty children array in tileset.json
  • setup.py: fix missing dependency pytest
  • node: avoid to add empty children array
  • disable padding if already 8-byte aligned instead of adding 8 new empty bytes
  • featureTable: add a 8-byte boundary for FeatureTableBody
  • featureTable: change the boundary from 4 to 8
  • replace sys.exit(1) in convert by raising an exception

v2.0.0

This releases completely reworks py3dtiles command line and add new features.

The command line now uses subcommands syntax, in order to expose a single entry point and support multiple commands. The existing commands 'export_tileset' and 'py3dtiles_info' became 'py3dtiles export' and 'py3dtiles info'.

Changes

  • relicensed as Apache 2.0.
  • minimal python supported is now 3.8
  • dependencies versions has been updated:
    • laspy should be at least 2.0
    • numpy at least 1.20.0
  • Tile has been renamed to TileContent

Features

New features were added, the main one being: py3dtiles can be used to convert pointcloud las files to a 3dtiles tileset.

This is the purpose of the 'py3dtiles convert' command. It supports multicore processor for faster processing, leveraging pyzmq, and the memory management has been carefully implemented to support virtually unlimited points count.

Other features:

Fixes

  • 53580ba Jeremy Gaillard fix: use y-up orientation for glTF objects in export script
  • 65d6f67 Jeremy Gaillard fix: proper bounding box size in export script
  • 3603b00 Augustin Trancart fix: reliably select triangulation projection plane and orientation
  • fd2105a jailln Fix gltf min and max value