You might want to check out Vismach too. Gremlin and Vismach use the same OpenGL methods. I'll keep a look out for any info I have on my end that may add to the conversation.

On 08/27/2017 12:53 AM, 王若溪 wrote:
Thanks a lot, your insight into code really provides some useful info, such
as the pivot point of rotation in the back plot is hardcoded to (0,0,0).
I'm gonna try adding fake axes V and W in my machine config and set
GEOMETRY = VWAXYZ, apply an offset to V and W axes and see what happens.

As for the tilt of the tool you mentioned on your website. My explanation
about the tilted tool is that it seems it's a standard that everything
graphical about multi-axis tool paths, such as in CAM and CNC controller,
is relative to the workpiece.
To be easy to understand, if one is tiny enough to be able to sit on the
workpiece, he will see the tool tilts when A axis rotates. And seems it's a
standard that you are always sitting on the workpiece when viewing a tool
path.

... snip

--
Kirk Wallace
http://www.wallacecompany.com/machine_shop/
http://www.wallacecompany.com/E45/

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