Originally Posted by bubble

Some time ago i came across this pdf based on drummond geometry which uses a pldot to plot future likely movement.

There is a formula in the pdf for the PLDOT and a good explanation on how to use it.

I havent seen this subject tackled on any other forum and thought it looked quite interesting .

Would any one be interested in making the indicator,it looks quite simple from the formula, and maybe from there we could build a system.