Software Screenshot:
VisualValid is a software for reading coordinates from a xy graphic chart stored in an image file. The user calibrates the coordinate system and then the software picks up the coordinates of selected points on the xy graphic chart. The digitized chart does not need to be level and the two axis do not need to be perfectly perpendicular.
Requirements:
Windows 95/98/Me/NT/2000/XP/Vista
Limitations:
20-day trial
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