Particle Streaks

This option generates real time streaks in a similar manner to the Streak.CMD and Streak2.CMD macros. The main difference is that this option offers a more convenient method of chaning the streak parameters.

Particle Streaks


<down> Decrease thresho
<right> Increase length o
<left> Decrease length of tail 
D Set decay manually                
E Erase display     
I Initialise   
O Output loo
P Toggle polarity: !R0
T Set threshold manually

Decay constant n ? n > 0 => subtract n+1 for each frame processed n < 0 => subtract one for every |n| frames processed

Threshold for particles ?

Particles brighter (darker) than the threshold will produce streaks. Regions darker (brighter) will be treated as background.

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DigImage User Documentation

Stuart Dalziel, last page update: 19 February 1996

Particle Streaks

Particle Streaks <down> Decrease thresho <right> Increase length o <left> Decrease length of tail D Set decay manually E Erase display I Initialise O Output loo P Toggle polarity: !R0 T Set threshold manually

Decay constant n ? n > 0 => subtract n+1 for each frame processed n < 0 => subtract one for every |n| frames processed

Threshold for particles ?

Particle Streaks
<down> Decrease thresho <right> Increase length o <left> Decrease length of tail D Set decay manually E Erase display I Initialise O Output loo P Toggle polarity: !R0 T Set threshold manually