GraphClick is a graph digitizer software which allows to automatically retrieve the original (x,y)-data from the image of a scanned graph or from a QuickTime movie. It features:
- Automatic detection of curves (solid, dotted or dashed), symbols, bar charts, or perimeters of areas
- Almost all file formats recognized (PDF, JPEG, GIF, TIFF, Photoshop, etc.)
- Frame-by-frame digitization of QuickTime movies
- Image modification for adjustment (edge detection, blur, sharpen, etc.)
- Can handle arbitrarily deformed axis systems, and two ordinate axes
- Linear, logarithmic or inverse scales
- Error bars
- Several data set in the same document
- Unlimited undo