There are many alternatives to g3data for Windows if you are looking for a replacement. The best Windows alternative is Engauge Digitizer, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to g3data and nine of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to g3data are Plot Digitizer, DigitizeIt, UN-SCAN-IT and jTechDig.
This open source, digitizing software converts an image file showing a graph or map, into numbers. The image file can come from a scanner, digital camera or screenshot. The numbers can be read on the screen, and written or copied to a spreadsheet.
Plot Digitizer is a Java program used to digitize scanned plots of functional data. Often data is found presented in reports and references as functional X-Y type scatter or line plots. In order to use this data, it must somehow be digitized.
Sometimes it is necessary to extract data values from graphs, e.g. in most scientific publications only plots but no data values are published. DigitizeIt makes it easy to actually get back numbers from such a plot!
UN-SCAN-IT graph digitizer converts scanned graphs to real xy data automatically. Extract xy data values from published graphs, old plots, and strip charts.
jTechDig is a software tool written in Java for digitizing data from an image of graph or plot. jTechDig can import images from .gif, .bmp, .png etc. files. After mapping of the coordinates system the data can be digitized manually by clicking the mouse.
Take any graph or data from any source (Web or PDF document, for example), add your comments, and perform any manipulations, like nonlinear regression or curve fitting. Then print your results or export them to Excel or other database.
im2graph is a free digitizing software that converts graph-images to graph-data, that is to numbers.
DataThief III is a program to extract (reverse engineer) data points from a graph.
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