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.
The process starts with an image file containing a graph or map. The final result is digitized data that can be used by other tools such as Microsoft Excel and Gnumeric. Features:
Automatic curve tracing of line plots
Automatic point matching of point plots
Automatic axes matching
Automatic grid line removal for improved curve tracing
Handles cartesian, polar, linear and logarithmic graphs
Support for drag-and-drop and copy-and-paste makes data transfer fast and easy
Image processing tools highlight data by removing grid lines and backgrounds
Status bar suggestions guide beginners
Context sensitive popup help windows reveal explain feature of the user interface
Tutorials with pictures explain strategies for common operations
Browser-based user manual is extensive yet easy to navigate
Preview windows give immediate feedback while modifying settings
Dates and times are imported with the Date/Time Converter
Import support for common image file formats such as BMP, GIF, JPEG, PNG and XPM
Export support for common software packages such as Microsoft Excel, OpenOffice CALC, gnuplot, gnumeric, MATLAB and Mathematica
Engauge is available for a wide variety of platforms (Linux, Mac OSX, Windows)
Engauge Digitizer is completely open source and free courtesy of Soundforge, Trolltech and FFTW
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