line analyzer 20 includes in part paper web 4 light cabinet 6 light source 8 camera 10 tachmometer 12 camera cabinet 22 conventional bracket 24 conventional fasteners 26 and pinch rollers 28 during the operation of analyzer 20 an array of cameras 10 only one camera being shown for convenience is arranged across the moving web 4 and intercepts the light reflected off of web 4 in a single thin 0 010 34 line in the cross direction cd tachometer 12 mounted on pinch rollers 28 having a nip provides a synchronized pulse to make camera 10 intercept line after line of intensity data to form up a continuous two dimensional reflected light gray scale image in this manner the machine tachometer 12 drives the camera speed to obtain a two dimensional gray scale image over a specified down web md distance the formation mathematics are worked out in the computer not shown and displayed for that distance that image will be flushed from computer memory then the data gathering and computation processes will be repeated providing a psuedo continuous measure of sheet formation finally fig3 illustrates an off line version 30 of analyzer 2 in particular off line analyzer 30 includes in part paper sheet 4 light source 8 camera 10 tachometer 12 cabinet 32 and pinch rollers 34 having a nip during the operation of off line analyzer 30 a single sample 4 to be tested.