Re: [Emc-users] Maths (wow)

2020-06-27 Thread James Isaac
program, to send this example and code toward? I am thinking of LibreCAD and OpenSCAD. As your email to the group shows, you want to share this code. James Isaac. From: andy pugh Sent: June 26, 2020 9:24 PM To: Enhanced Machine Controller (EMC) Subject: [Emc-users

Re: [Emc-users] Maths (wow)

2020-06-27 Thread andy pugh
On Sat, 27 Jun 2020 at 03:02, R C wrote: > > that is funny, I am a mathematician, and actually took several classes > involving > > projective geometry. What is shown is somewhat of "special case" > scenarios it seems. I _think_ that Projective Geometry is a special case of the framework that th

[Emc-users] Maths (wow)

2020-06-27 Thread Roland Jollivet
When I was working with a Fanuc robot, and if in a tight space, I would often get a 'singularity' error. Two axes are too parallel to each other. Then you have to fiddle with the program to get out of the paradox. Thing is, in all of my life of picking up things, my arm has never frozen from a si

Re: [Emc-users] Maths (wow)

2020-06-26 Thread Chris Albertson
Ron, Have you ever written software for things like planning a path for a robot so as to get to a goal in minimum time and avoid obstacles? What you end up with is a ba-zillion simultaneous equation to see if lines intersect then if statements to see if the intersection point is within the segmen

Re: [Emc-users] Maths (wow)

2020-06-26 Thread R C
that is funny,  I am a mathematician, and actually took several classes involving projective geometry. What is shown is somewhat of "special case" scenarios it seems. I don't really see how projective geometry would apply to anything cnc, or be helpful, or apply to anything "real world" f

[Emc-users] Maths (wow)

2020-06-26 Thread andy pugh
I was watching this presentation, and it was all rather interesting, but not directly relatable to LinuxCNC. https://youtu.be/tX4H_ctggYo But then this happened: https://youtu.be/tX4H_ctggYo?t=4443 -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial u