Links for 2020-10-01

  • WebPlotDigitizer

    Extract data from plots, images, and maps:

    It is often necessary to reverse engineer images of data visualizations to extract the underlying numerical data. WebPlotDigitizer is a semi-automated tool that makes this process extremely easy: Works with a wide variety of charts (XY, bar, polar, ternary, maps etc.) Automatic extraction algorithms make it easy to extract a large number of data points Free to use, opensource and cross-platform (web and desktop) Used in hundreds of published works by thousands of users Also useful for measuring distances or angles between various features

    (tags: data-extraction scraping tools data charts)

  • ‘Only aerosol transmission can explain’ the Skagit Choir transmission incident

    Jose-Luis Jimenez on Twitter: The “Skagit Choir” incident of mass spreading of COVID-19 indicates aerosol transmission: ‘Only aerosol transmission can explain how 1 person infected 52, including people who were 13 meters behind the index case.’

    (tags: aerosols covid-19 sars-cov-2 transmission infection air)

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