Re: DXF bulge to I,J equations

--- In CAD_CAM_EDM_DRO@y..., "jeffskey1" <jeffskey1@a...> wrote:

> Does anyone know the equation's to convert a DXF arc that is
> expressed with a "bulge" value to I and J values as used with G-

code

> G02 or G03? I am writing a software program to convert and optimize

a

> PROTEL pcb dxf file to cnc G-code for my maxnc mill.
>
> Thanks
> Jeff

Thanks for the suggestions. The programming language is C. I have
converted the bulge to a radius value, so now I just need to figure
out the equations to take the start x,y , finish x,y and the radius
to get the appropriate I,J values for the different quardents. I've
got it to work with one quardent so only 3 to go. I am using a I,J
calculator that I found on the web to verify my solutions, to bad it
is not open source code.

Thanks again;
Jeff