Category: General LinuxCNC Questions
I think that you could theoretically do this using a separate HAL component that monitors the joint positions and knows the tool length.
There are reasonably well-defined algorithms for "is this point inside this volume", so you would need to define your no-go volume (which sounds like it rotates...) and calculate the tool-tip position using the values from various HAL pins.
You could even, possibly, define a "skin" round the outside in which the adaprive feed ramps to zero, for a more easily-recovered stop.
For example the code here can tell whether a point is inside an STL file, and an STL file is easily generated by any 3D CAD package:
github.com/marmakoide/inside-3d-mesh
