Use PyMove and go much further

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Information

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Python Version
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Conda version
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What is PyMove

PyMove is a Python library for processing and visualization of trajectories and other spatial-temporal data.

We will also release wrappers to some useful Java libraries frequently used in the mobility domain.

Read the full documentation on ReadTheDocs

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Main Features

PyMove proposes:

• A familiar and similar syntax to Pandas;

• Clear documentation;

• Extensibility, since you can implement your main data structure by manipulating other data structures such as Dask DataFrame, numpy arrays, etc., in addition to adding new modules;

• Flexibility, as the user can switch between different data structures;

• Operations for data preprocessing, pattern mining and data visualization.

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Creating a Virtual Environment

It is recommended to create a virtual environment to use pymove.

Requirements: Anaconda Python distribution installed and accessible

1. In the terminal client enter the following where env_name is the name you want to call your environment, and replace x.x with the Python version you wish to use. (To see a list of available python versions first, type conda search "^python$" and press enter.)

   • conda create -n <env_name> python=x.x

   • Press y to proceed. This will install the Python version and all the associated anaconda packaged libraries at path_to_your_anaconda_location/anaconda/envs/env_name

2. Activate your virtual environment. To activate or switch into your virtual environment, simply type the following where yourenvname is the name you gave to your environment at creation.

   • conda activate <env_name>

3. Now install the package from either conda, pip or github

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Conda instalation

1. conda install -c conda-forge pymove

Pip installation

1. pip install pymove

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Github installation

1. Clone this repository

   • git clone https://github.com/InsightLab/PyMove

2. Switch to folder PyMove

   • cd PyMove

3. Switch to a new branch

   • git checkout -b developer

4. Make a pull of branch

   • git pull origin developer

5. Install pymove in developer mode

   • make dev

For windows users

If you installed from pip or github, you may encounter an error related to shapely due to some dll dependencies. To fix this, run conda install shapely.

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Examples

You can see examples of how to use PyMove here

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Mapping PyMove methods with the Paradigms of Trajectory Data Mining

ZHENG 2015.

• 1: Spatial Trajectories → pymove.core

  • MoveDataFrame
  • DiscreteMoveDataFrame

• 2: Stay Point Detection → pymove.preprocessing.stay_point_detection

  • create_or_update_move_stop_by_dist_time
  • create_or_update_move_and_stop_by_radius

• 3: Map-Matching → pymove-osmnx

• 4: Noise Filtering → pymove.preprocessing.filters

  • by_bbox
  • by_datetime
  • by_label
  • by_id
  • by_tid
  • clean_consecutive_duplicates
  • clean_gps_jumps_by_distance
  • clean_gps_nearby_points_by_distances
  • clean_gps_nearby_points_by_speed
  • clean_gps_speed_max_radius
  • clean_trajectories_with_few_points
  • clean_trajectories_short_and_few_points
  • clean_id_by_time_max

• 5: Compression → pymove.preprocessing.compression

  • compress_segment_stop_to_point

• 6: Segmentation → pymove.preprocessing.segmentation

  • bbox_split
  • by_dist_time_speed
  • by_max_dist
  • by_max_time
  • by_max_speed

• 7: Distance Measures → pymove.distances

  • medp
  • medt
  • euclidean_distance_in_meters
  • haversine

• 8: Query Historical Trajectories → pymove.query.query

  • range_query
  • knn_query

• 9: Managing Recent Trajectories

• 10: Privacy Preserving

• 11: Reducing Uncertainty

• 12: Moving Together Patterns

• 13: Clustering → pymove.models.pattern_mining.clustering

  • elbow_method
  • gap_statistics
  • dbscan_clustering

• 14: Freq. Seq. Patterns

• 15: Periodic Patterns

• 16: Trajectory Classification

• 17: Trajectory Outlier / Anomaly Detection → pymove.semantic.semantic

  • outliers
  • create_or_update_out_of_the_bbox
  • create_or_update_gps_deactivated_signal
  • create_or_update_gps_jump
  • create_or_update_short_trajectory
  • create_or_update_gps_block_signal
  • filter_block_signal_by_repeated_amount_of_points
  • filter_block_signal_by_time
  • filter_longer_time_to_stop_segment_by_id

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Cite

The library was originally created during the bachelor's thesis of 2 students from the Federal University of Ceará, so you can cite using both works.

@mastersthesis{arina2019,
	title        = {Uma arquitetura e implementação do módulo de pré-processamento para biblioteca PyMove},
	author       = {Arina De Jesus Amador Monteiro Sanches},
	year         = 2019,
	school       = {Universidade Federal Do Ceará},
	type         = {Bachelor's thesis}
}
@mastersthesis{andreza2019,
	title        = {Uma arquitetura e implementação do módulo de visualização para biblioteca PyMove},
	author       = {Andreza Fernandes De Oliveira},
	year         = 2019,
	school       = {Universidade Federal Do Ceará},
	type         = {Bachelor's thesis}
}

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Publications

• Uma arquitetura e implementação do módulo de pré-processamento para biblioteca PyMove
• Uma arquitetura e implementação do módulo de visualização para biblioteca PyMove
• Avaliação de técnicas de aumento de dados para trajetórias
• Implementação de algoritmos para análise de similaridade de trajetória na biblioteca PyMove

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Useful list of related libraries and links

• Handling GPS Data with Python
• mplleaflet - Easily convert matplotlib plots from Python into interactive Leaflet web maps
• Pykalman
• Ramer-Douglas-Peucker algorithm
• Knee point detection in Python
• TrajSuite Java Library
• GraphHopper Map-Matching Java Library