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fDesc[0] = "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. This program will allow you to take a scanned image of a plot (in GIF, JPEG, or PNG format) and quickly digitize values off the plot just by clicking the mouse on each data point. The numbers can then be saved to a text file and used where ever you need them. Plot Digitizer works with both linear and logarithmic axis scales. Besides digitizing points off of data plots, this program can be used to digitize other types of scanned data (such as scaled drawings or orthographic photos).<br /> Plot Digitizer includes a special &quot;semi-auto&quot; digitizing feature. For plotted data that trends from left to right, you can simply indicate what data you want digitized with a thick paint brush and the program will automatically sort out grid lines, noise, etc, and will attempt to digitize the line for you. This feat is accomplished with the help of the open source autotrace image vectorization program (version 0.31.1). Currently this feature is available for MacOS X, MS Windows, and Linux running on x86 architectures, but if you are willing to port the autotrace program yourself, it could be made to run on other platforms.<br /> To make the digitizing task easier, this program includes many handy features. For example: You can recalibrate the Y axis without having to recalibrate the X axis (multiple sets of data are commonly plotted with the same X axis). You can insert points between two already digitized points by right clicking and choosing &quot;Insert&quot; from the pop-up menu. You can delete points by right-clicking on the points and choosing &quot;Delete&quot;. You can move points by clicking and dragging them. You can calculate the length of a digitized line and the area enclosed by a digitized polygon of nearly arbitrary shape.";

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