v0.23.0

This release brings a set of new trajectory distance measures (Frechet distance, Dynamic Time Warping, and Longest Common Subsequence) and other improvements.

What's Changed

• Trajectory distance measures:
  • Add Trajectory.frechet_distance by @steps-re in #500
  • Add Trajectory.dtw_distance (Dynamic Time Warping) by @steps-re in #502
  • Add Trajectory.lcss_distance (Longest Common Subsequence) by @steps-re in #503
• Add time zone handling to line and traj gdf output, fixes #487 by @yvaishalirao in #504
• Fix TypeError when n_processes is None by @tim-fin in #506
• Add nice html representations for Trajectory and TrajectoryCollection objects to improve the data analytics experience, particularly in notebook environments by @anitagraser in #494

Other improvements

• Unify doc style by @anitagraser in #499
• Dependency handling:
  • Fix metadata by @astrojuanlu in #484
  • Update environment-minimum.yml by @anitagraser in #490
  • Add pytz to environments, fixes #492 by @anitagraser in #493

New Contributors

• @steps-re made their first contribution in #500
• @yvaishalirao made their first contribution in #504
• @tim-fin made their first contribution in #506

Full Changelog: v0.22.4...v0.23.0

v0.22.4

This is a minor bug fix release

What's Changed

• Avoid ValueError on copy by including x, y by @minrk in #471
• Improve performance by removing redundant decorators by @tanoc in #475
• Fix the accumulating ids in ValueChangeSplitter by @diego-vicente in #482

New Contributors

• @minrk made their first contribution in #471
• @tanoc made their first contribution in #475
• @diego-vicente made their first contribution in #482

Full Changelog: v0.22.3...v0.22.4

v0.22.3

This is a minor bug fix release

• Fixed #468 and #467

Full Changelog: v0.22.2...v0.22.3

v0.22.2

This is a minor bug fix release

• Fixes #465

Full Changelog: v0.22.1...v0.22.2

v0.22.1

This is a minor bug fix release

• Fixes #464

Full Changelog: v0.22...v0.22.1

v0.22

This release brings significant performance improvements to many workflows by leveraging lazy geometry column generation and improved parallel processing.

What's Changed

New Functionality

• Implement lazy geom col by @anitagraser in #458
• Add multiprocess support to TrajectorySplitters by @achieveordie in #463

Figures 1 & 2 give an impression of the performance improvements:

Figure 1: ValueChangeSplitter runtime experiments for lazy geometry column

Figure 2: ValueChangeSplitter runtime experiments for parallel processing (comparing 1 vs 16 processes)

Other Improvements

• Use n_processes instead of n_threads in TrajectoryStopDetector by @achieveordie in #460
• Refer to multiprocessing in TrajectoryCollection by @achieveordie in #462

New Contributors

• @achieveordie made their first contribution in #460

Full Changelog: v0.21.3...v0.22

v0.21.3

This is a minor release that fixes missing CRS information in ValueChangeSplitter results.

What's Changed

• Ensure CRS of split is correct by @anitagraser in #456
• Fix measure_length if conversion is None by @anitagraser in #453
• Remove debugging print statement by @SiggyF in #452

New Contributors

• @SiggyF made their first contribution in #452

Full Changelog: v0.21.2...v0.21.3

v0.21.2

This is a minor release that fixes a bug in splitting results:

What's Changed

• Prevent gaps in ValueChangeSplitter and TemporalSplitter results, fixes #446 by @anitagraser in #447
• Exposed PtsExtractor 3fe3da1

Full Changelog: v0.21.1...v0.21.2

v0.21.1

This is a minor bug fix release

Full Changelog: v0.21...v0.21.1

v0.21

What's Changed

New functionality

• Add ValueChangeSplitter, fixes #436 by @anitagraser in #439
• Handle nanoseconds, fixes #421 by @anitagraser in #428

Improved functionality

• Update show_versions, fixes #429 by @anitagraser in #430
• Update explore() function to plot speed by @mar3021 in #434
• Plot lines grey for categories missing from colormap by @ilyankou in #437
• Fix traj clipping with complex geometries by @ilyankou in #440
• Fix gpd UserWarning when plotting with color & column params by @ilyankou in #441
• Ensure OutlierCleaner returns valid trajectories by @ilyankou in #444

Other improvements

• Update release_to_pypi.yml, fixes #426 by @anitagraser in #427
• Switch to micromamba by @anitagraser in #443
• Use temp directory for GPKG in tests by @ilyankou in #442

New Contributors

• @ilyankou made their first contribution in #437

Full Changelog: v0.20...v0.21