Rob; On Fri, Dec 13, 2013 at 1:51 PM, Robert Ellenberg <rwe...@gmail.com> wrote:
> I spent some time going through the math behind it, and I think blending > between linear moves with ABCUVW motion is feasible, though it will take a > a bunch of new data structures to store a 9D vector. > > There are two big challenges to making this work. The first is implementing > a new way to interpolate along a spherical arc (SLERP), since we won't have > a normal vector…. > It's been a while since I wrote SLERPing code, but the project I wrote it for used Quaternions, which I don't think LinuxCNC uses?? Quaternions certainly made a lot of the internal maths easier. (code was in the "FreeWRL" VRML/X3D browser) *Does* LinuxCNC use Quaternions? John A. Stewart. ------------------------------------------------------------------------------ Rapidly troubleshoot problems before they affect your business. Most IT organizations don't have a clear picture of how application performance affects their revenue. With AppDynamics, you get 100% visibility into your Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! http://pubads.g.doubleclick.net/gampad/clk?id=84349831&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users