Digitizer of XY chart

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1.1.2 GPL v3    
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Extract (X,Y) data from a scanned graph.

description

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specifications

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.

How-To

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

 Resize
 Crop
 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
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Last updated on January 18th, 2012
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Digitizer of XY chart

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