[Emc-developers] Soft Limit red lines are wrong.

2012-01-27 Thread Spiderdab
Hi gentle people, I've realized that there are some issues on soft limits, when using not-trivial kinematics. I'm using now the JA3 branch, but i remember i had the same results with 2.4.x ...if somebody wants to confirm is welcome. i.e. into axis, those limits, which are drawn like red dotted

Re: [Emc-developers] Soft Limit red lines are wrong.

2012-01-27 Thread andy pugh
On 27 January 2012 17:18, Spiderdab 77...@tiscali.it wrote: I personally think this kind of bug are of a main importance, and that also should be simple to solve I am not sure it is, in the general case.. Working out the boundary of the space that a non-trivial mechanism can reach while

Re: [Emc-developers] Soft Limit red lines are wrong.

2012-01-27 Thread Thomas Powderly
6dof robot sales brochures often have egg shaped 3d envelopes shown the egg is supposedly the space the end effector can achive ive never seen holes inside the eggs but suspect they exist ) anyway, i betcha there algs for this shape regards tomp

Re: [Emc-developers] Soft Limit red lines are wrong.

2012-01-27 Thread Thomas Powderly
of course pretty heavy math the keyword isrobot workspace http://www.intechopen.com/source/pdfs/24606/InTech-Accurate_numerical_methods_for_computing_2d_and_3d_robot_workspace.pdf http://husky.if.uidaho.edu/pubs/2011/HSI11_StanManSzepBal_PerfAnalDeltaRbt.pdf

Re: [Emc-developers] Soft Limit red lines are wrong.

2012-01-27 Thread Thomas Powderly
java app to visualize 3d workspace http://omega.uta.edu/~mvn6491/Robokine.html tom3p -- Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just

Re: [Emc-developers] Soft Limit red lines are wrong.

2012-01-27 Thread Spiderdab
On ven, 2012-01-27 at 17:27 +, andy pugh wrote: On 27 January 2012 17:18, Spiderdab 77...@tiscali.it wrote: I personally think this kind of bug are of a main importance, and that also should be simple to solve I am not sure it is, in the general case.. Working out the boundary of

Re: [Emc-developers] Soft Limit red lines are wrong.

2012-01-27 Thread EBo
On Fri, 27 Jan 2012 19:17:18 +0100, Spiderdab wrote: On ven, 2012-01-27 at 17:27 +, andy pugh wrote: On 27 January 2012 17:18, Spiderdab 77...@tiscali.it wrote: I personally think this kind of bug are of a main importance, and that also should be simple to solve I am not sure it is,

Re: [Emc-developers] Soft Limit red lines are wrong.

2012-01-27 Thread Kent A. Reed
On 1/27/2012 1:23 PM, andy pugh wrote: On 27 January 2012 18:17, Spiderdab77...@tiscali.it wrote: Well if it's so difficult to retro calculate the possible volume-position from the kin module (and it seems like that..), we could add a lot-simplified limits-volume. Let's say i want my machine