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CHANGELOG.rst

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Changelog

0.4.0 - 2021-Feb-02

  • platoons module for analysis using multiple driving routes
  • Currently supporting finding similar routes using spatial_finder functions

0.3.6 - 2020-Nov-11

  • Interactive plot in strymread
  • Default map for strymmap set to Mapbox with an option for Googlemap
  • Now strymread function plt_ts can take a non-default column other than 'Message' for plotting as an argument
  • Bug fixes

0.3 - 2020-Oct-15

  • Bug fixes in strymread
  • Strym tools
    • graham_scan function to find convex hull and its perimeter for a cluster
    • ellipse_fit function to fit an ellipse/circle to a cluster of points on phase-space

0.2.4 - 2020-Sep-26

  • Documentation bug fixes
  • Plotting bug fixes and improvement
  • Strym tools
    • ACD Tool added to measure stop-and-go distance. Animation generation for phasespace evolution supported
    • Acceleration messages added to strymread to be dbc independent
    • DBC now supports headlight message for highbeam, lowbeam etc.

0.2.2 - 2020-Sep-09

  • Documentation format fix
  • Minor fixes in code

0.2.1 - 2020-Aug-17

  • Documentation bug fixes
  • Minor improvment over state-space calculation

0.2.0 - 2020-Aug-15

  • Standalone functions from all classes moved to respective class definition as static method to reflect their usability
  • Sphinx version updated
  • Strym now packages DBC file. Currently suppported DBC file. Currently supported DBC file: Honda Pilot 2017, Toyota RAV4 2019 and 2020
  • Support for creating serverless sqlite3 database in local system for easy querying of driving information
  • class: strymread
    • Bug fix: removes duplicate timestamped data from signals
    • get_ts now has additional column BUS that provides number of each timestamped message
    • Option to save RAW, UNDECODED Dataframe as sqlite3 via createdb parameter while object instantiation
    • A helper message lead_distance to retrive lead distance from csv file
    • Function name extract changed to export2mat that creates matlab .mat file of known, import signals
    • state_space function to extract consolidated dataframe with a number of signals that represents state space of the vehicle, resampled to desire frequency. Optional argument todb, when True saves state space dataframe to a sqlite3 table STATE_SPACE
    • differentiate method automatically falls back to AutoEncoder method when number of datapoints is less than 6.

0.1.13 - 2020-July-29

  • class: strymread
    • Fixed Issue #16

0.1.12 - 2020-July-25

  • class: strymread
    • Fixed a scaling bug in prediction made in AE-based differentiation

0.1.11 - 2020-July-23

  • Changes to permit strymread to work with Honda
  • class strymread
    • Added rel_velocity to retrieve relative velocity of targets from radar traces
    • Added create_chunks function to split discontinuous timeseries into continuous-chunked timeseries
    • Autoencoder based denoising method and application for estimation of lead vehicle's velocity
    • DBC support for Honda Pilot
    • Some inconsistency fixes

2020-July-02

  • modified for robust calling of meta and dashboard from snakemake files
  • class meta
    • Takes an array of dbc files, and calls methods from the vin_parser package to confirm that the VIN of a CSV file shoudl correspond to a particular dbc
  • class strymread
    • Added new functionality to do dictionary lookup of message/signal pairs when extracting a timeseries, rather than assuming all message/signal pairs correspond to Toyota naming conventions. New methods to touch when adding new message/signal pairs are prefixed with _dbc_

0.1.10 - 2020-July-01

  • setup modified to package examples and README folder in install path
  • class dashboard
    • works within the strym package to collect metadata files from within a folder and print interesting aspects of the collection
  • class meta
    • Works within the strym package to extract metadata from drives that are recorded using libpanda, with optional corresponding dashcam video
  • class strymread
    • Checks for monotonicity of the time in the recorded data
    • Two new Flag Attributes added: burst and success. Burst flag tells if data was recorded in burst, success tells if reading of csv file was successful
  • class strymmap
    • Conditionally import of bokeh and other widget-based libraries in Jupyter only to making strym work from terminal

0.1.9 - 2020-May-20

  • class strymread
    • A new function extract for extracting data in .MAT format to work with matlab
    • Changes to msg_subset function, now returns an object of type strymread with modified dataframe
    • Changes to plotting functions

0.1.8 - 2020-May-16

  • A few bug fixes and cosmetic changes.
  • Freezing the master branch and creating a devel branch for active development.

0.1.7 - 2020-May-06

  • A new class phasespace for phasespace analysis

0.1.6 - 2020-Apr-22

  • class strymread
    • Modified function to read radar traces.
    • Bug fix for Function :code: frequency
    • New functions:
      • msg_subset: For deriving a subset of original messages satisfying given criteria. See commit #819f2d6
      • time_subset: For getting time-slices of original messages satisfying given criteria
      • acc_state: Get the ACC (Adaptive Cruise Control) state of driving
      • accel_x: Get the longitudinal acceleration. See commit #819f2d6
  • Address issue #4, and issue #5.
  • Function ts_sync modified to inherit sample from one of the two input dataframes.
  • New function :code: time_index and :code: timeslices for improved analysis of timeseries data

0.1.5 - 2020-Apr-01

  • class strymmap
    • Replaced gmplot mapping with bokeh plot for map
    • Now saves map with drive route as png file using selenium and chormium webdriver

0.1.4 - 2020-Apr-01

  • Added a new class :code: strymmap
    • Added basic funcionality to read and parse CSV file containing GPS data obtained from Grey Panda.
    • Save Map HTML file from GPS Data to show drive route

0.1.3 - 2020-Apr-01

  • Bux fix. Refer to commit 9ef1a95

0.1.2 - 2020-Apr-01

  • A function to resample non-uniformly sampled timeseries to uniformly sampled timeseries data
  • A function to differentiate timeseries data based on spline derivative method
  • A function to denoise timeseries data based on moving average
  • A function to perform temporal-splitting of timeseries dataframe
  • A function to return centroid of a phase-space cluster
  • A function to calculate average distance of a phase-space cluster from its centroid
  • Plotting utility for temporal violin plot
  • Can retrieve a timeseries message by given message ID/signal ID or message name/signal name

0.1.1 - 2020-Mar-30

  • class strymread
    • Get the message count
    • Functions to retrieve yaw, acceleration, steer torque, steer rate, steering angle, steering fraction, wheel speeds, longitudinal and laternal measurements from Radar traces
    • Get datarate statistics from CAN data
    • Plot trajectory of driving based on Kinematic model
  • timeseries-sync of two timeseries data of different and non-uniform sampling period
  • Off-the-shelf integration function for timeseries data
  • Function to analyze data rate throughput of a particular message.
  • Visualize data distributionb through violin plot

0.1

  • Added a new class strymread
    • Added basic functionality to Parse CSV-formatted CAN data captured usin comma.ai Panda and Giraffe connector.
    • Plot timeseries data by message name

unreleased

  • Real-time capturing and visualization of CAN data using comma.ai Panda and Giraffe connector.