How to generation toolpath ?

Dear everybody,

I almost finish my NC Machining simulation software, just a problem left. That is how to generate toolpath. I write in VC++ and OpenGL. I just want to generate the simple toolpath such as contour-parallel.

Is there any instructions or materials about this ? please help me, this software is my thesis :(

Here is a program which will generate some code.

Quote:

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Originally Posted by Kiwi

Here is a program which will generate some code.

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thanks Kiwi, but I need the guides of generate toolpath :(

Hi havythoai
Here is some info which may help.
http://xdobs.com/cnc/gcode-introduction.html

heres a couple simple freeware cad/cam progs

http://www.gsimple.eu/index.html
http://gcam.js.cx/index.php/Main_Page

Is your simulator available somewhere on the net?

Do you have any screenshots?