Digitizer of XY chart 1.1.2

Extract (X,Y) data from a scanned graph.
Digitizer of XY chart
  1 Screenshot
Users may have lost data of a chart, keeping only the chart. Or users 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.


Step 1. Load your picture of the chart (from image file, or PDF file, or clipboard). You may also:

 Rotate your picture

Step 2. Define axis scales:

 XY or polar coordinates
 linear or log scale
 time or date for X axis

Step 3. Create a series, then click on the points of 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. Save in your spreadsheet or CSV file:

 one series per sheet/file
 all series in the same sheet/file

last updated on:
January 18th, 2012, 7:50 GMT
license type:
GPL v3 
developed by:
The Document Foundation
ROOT \ Office \ LibreOffice Extensions
Digitizer of XY chart
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