LibreOffice Extension: Digitizer of XY chart

Published › January 17, 2012 0 Comments

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You may have lost data of a chart, keeping only the chart. Or you may have a chart from a paper which does not give the data. By simply clicking on the picture, Digitizer will calculate coordinates and give you (X,Y) data in your favorite spreadsheet. Just click on menu entry Tools > Add-on > OOoDigitizer, and follow this 4 steps:

  • Step 1. Load your pictureof the chart (from image file, or PDF file, or clipboard). You may also:
    • Resize
    • Crop
    • Rotate your picture
  • Step 2. Define axisscales:
    • XY or polar coordinates
    • linear or log scale
    • time or date for X axis
  • Step 3. Create a series, then click on the pointsof the chart. You may choose:
    • color and shape of the pointer
    • to display or not other series, axis, lines between points
    • size of the points and the lines
  • Step 4. Savein your spreadsheet or CSV file:
    • one series per sheet/file
    • all series in the same sheet/file

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