Clothoid Curves

ceaser

Active Member
Licensed User
I wonder if somebody can help me please. I know it has nothing to do with Basic4ppc, but I need help.

A circular curve has normally before and after the curve a transition curve. This is to gradually apply the centrifugal force and also to apply the superelevation.

I have the formulae to calculate the coordinates given the stake value and offset from the centreline. But what I want to do is calculate the stake value and offset given the coordinates on the clothoid section.

I had it working on the older Workabout (Opl), but I have forgotten what I did there. I also looked on the internet, but I cannot find anything there.:(

Thanks
Michael
 
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