Re: Filter or converter for converting short lines to arcs

What is the equation to determine the center of an arc given three
points on the arc? charles

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Torsten" <torsten@g...>
wrote:

> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Jeff Lionberger"
> <jjlionberger@y...> wrote:
> > I am currently using surfcam and when post processing it never
> generates G02
> > code for circles or arcs. Does anyone know of a program that

will

> analyze
> > the gcode files and convert the maybe 100's of lines for one

circle

> into one
> > G02 command? Or, is anyone familiar with surfcam to have a
> solution? The
> > files are brought in as an iges and then processed and I end up

with

> > programs with 1000's of lines of code.
> >
> > Thanks,
> > Jeff Lionberger
>
> There is a Program called "FilterMax" I played with years ago
> that will do this, kind of expensive so.
> I ended up writing my own but it only works with HPGL files
> converted to Gcode.