GraphClick

• 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