Data visualization tools for csv file

Usages

Libraries

• tool_painter.py: A tool for data visualization
• tool_reader.py: A tool for reading csv file with user-specified headers
• tool_writer.py: A tool for writing out data in csv format

Applications

• main_gnss_data_preprocessor.py: An example of tool_reader.py and tool_writer.py
  • Functionality: A parser to extract required GNSS data from the input file
• main_xml_to_csv.py: An example of tool_reader.py and tool_writer.py
  • Functionality: A parser to parse a file from xml to csv format
• main_vis_sdmap_query.py: An example of tool_reader.py and tool_painter.py
  • Functionality: A tool for visualizing a given map and match results

Examples

• main_gnss_data_preprocessor.py

    python3 main_gnss_data_preprocessor.py -i ../sample_data/GNSS.csv
  

  • Results: An output file GNSS_processed.csv

• main_vis_sdmap_query.py

  1. Visualize a map

    python3 main_vis_sdmap_query.py -i ../sample_data/test1_map.csv -s <start-timestamp> -e <end-timestamp>
  

  • Results

    

  2. Visualize matching results

    python3 main_vis_sdmap_query.py -i ../sample_data/test1_map.csv -u ../sample_data/test1_data.csv --sampling_rate=100 -s <start-timestamp> -e <end-timestamp>
  

  • Results

    a) Overall view

    

    b) Matched & Unmatched

    

• main_xml_to_csv.py

    python3 main_xml_to_csv.py -i ../sample_data/test2_map.osm
  

  • Results: An output file test2_map.csv