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So if somebody says "I stand about here and angle my body like this and imagine a line over the top of the cue ball to the right side of the object ball, and shift my eyes a little like this and imagine a line from the left edge of the cue ball to the left quarter of the object ball, and once...

Body alignment, mostly. Just like CTE/ProOne :). At the pro level, most of the time it's not easy to change the direction of the ball. If you watch long cross court rallies carefully, over the course of three or four shots you can often see one player working into a position from which, on a...

When it's happening properly, you don't align the sights, they just become aligned; and the target's incidental. "... you first empty your cup."

Friend of mine in San Diego had one of these that he bought circa 1996; it was an excellent table. I bought mine (furniture model though supposedly the same structure underneath) a couple of years later and have never had a problem with it, barring an installation error. That is one thing to...

I dunno man... First, we get optimism from you back in January. Then in March we get this: And now barely three weeks later you're saying: You're supposed to be broke and out in the streets by now. You do realize, don't you, that you're disappointing tens of smokers everywhere with this...

Ah... my apologies... I misunderstood. That would probably be useful, if only to experimentally establish that for one person's visualization system (the operator's) there are (or are not) only a finite, small number of successful cut angles available for a given alignment. If several different...

Knowing that your ability to visualize gets stronger with increased use is helpful. It's what's to be expected from something so strongly based on human perception, and confirmation of expectations is always useful. It gives more certainty about what an explanation of a system must account for...

Yes, there is a semantic issue. Also, I have no real objection to the second paragraph. And (didn't quote the last part) I also doubt that anyone thinks of the cut angles numerically. The third paragraph describes calculation by "successive approximation" (or maybe "estimation" in this case)...

So what should we be working on?

Ron Kilby. Besides making very solid and good looking cues, he's willing to experiment with things and is really pleasant to deal with.

Well, it's not clear to me that we know what a player using CTE (or anything else) actually does. Yes, that's exactly what you do. A couple of weeks ago, there was a thread about pool-playing robots. In that, I posted a link to a video of an "R2D2-like" robot that uses a bridge and cue like a...

I think maybe there are two problems, Mike. First, and possibly foremost, users of pivot-based systems, and especially of Stan Shuffett's version, have gotten quite wary about answering such questions when they don't know how the answers are going to be used (JoeyA's reply reflects this)...

LOL! Thanks - I'd forgotten about that. I'll have to get a copy - don't think my wife's ever seen it. I thought of ETAOIN SHRDLU because I've been thinking about linotype for a couple of days.

I don't have any problem with labeling the black box "visual intelligence", "feel" or anything else people might want to call it. I just want to know what's inside it. Except maybe "etaoin" - I might have a problem with that ("shrdlu" would be ok, though). Anyway, only the first one of those is...

I thought the idea was to have the robot emulate a human being. No? Your way has a human doing the decision making for the robot. That doesn't seem like a pool-playing robot to me, and it's certainly no fun.

Do we know that as the player approaches the table to obtain his "visuals" his angle to the CB-OB line must be the same for all cut angles within a given range? As an example: For cut angles 16 to 29 degrees (I'm avoiding boundary conditions) is the angle of the player's body/eyes supposed to...

What data? Are you considering calculations to be "data"? I also don't believe I've seen, from anybody, a definition of "exact" in this context. Is that the standard? That whatever data might support CTE as being a working aiming system, sufficiently "exact" (whatever that might mean) for its...

Currently, I'm inclined to the first (offset to the CTE line), abetted by the second (other visual or geometric part). I don't distinguish much between the "visual" and "geometric" parts. The geometry of the alignment, bridge placement, and pivot-to-center-CB process is based solely on what...

No, but I lived with a whole bunch of them for a very long time. I learned very early on the value of attempting to be precise. Unfortunately, precision generally takes a lot of words, not all of them short.

I don't consider that a "logical" thing to do. The "logical" thing to do is to try to find out what's really going on. But then I grew up in an environment where neither argument through undefined terms (e.g., "feel") nor simple rejection of the data (e.g., "you don't know what you're actually...