Arc Finder Configuring Arc Finder Properties Results Results for each arc detected by the Arc Finder tool are shown in the grid of results, below the display. Parts of the Arc Finder Region of Interest ACEUser's Guide, 3.6.x, 18316-000 Rev A Page 391 Object Definition Instance Index of the result instance (numbered from 0) Arc X The X coordinate of the point midway between the ends of the found arc Arc Y The Y coordinate of the point midway between the ends of the found arc Radius The radius of the found arc, Arc X and Arc Y being the center of the circular arc described by the found arc