mathematical formulation of lines an plines

Starting from a dwg file containing a line (a line composed of arcs,
clothoids etc) I would like to obtain the mathematical formulation of the
line (example: the line x goes from point x to point y, the clothoid goes
from point to point and its parameters are .... or something like that)

Do you know if something similar exists, if it doesn't exist can you tell me
where to start from to write such a program?

thanks

 

Find a good book on AutoLISP....

 

I'm not sure exactly what you are looking for nor why, but I
*suspect* that if you joined the lines and arcs into a polyline
(PLINE), and looked into the DXF codes, you would find what you
are looking for.

 

thanks, that's another good solution, I will try it

 

Thanks for your clarification about the correct terminology. I need to
obtain the mathematical formulation of a pline, so I think that I will need
a lisp that will analize the drawing and give me these informations: from
the point A to point B there is a line, then there is an arc that goes from
point B to point C, its radius is Y and so on....

a clothoid is a kind of curved line

http://javier.jimenezshaw.com/clothos/

thanks