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From: BurrMan
This is a nice read. You can skip down to the "position" bullet...
https://www.rhino3d.com/features/accuracy/
From: Michael Gibson
Yes at extreme zoom you'll start to see visible evidence of how floating point numbers work. Basically there are little teeny tiny jumps between representable numbers.
- Michael
From: BurrMan
So MoI needs a sub-atomic, Nano button, so i can draw fingers on amoeba!!!
(Please read as a joke)
From: Psygorn (DRILLBIT)
Hello folks :)
Any Simple Solution to this problem?
From: BurrMan
Hi Drillbit,
""""""Any Simple Solution to this problem?
Are you referring to this display thing we've been discussing?
If so, the answer is "dont zoom in to
.0000000000000000000000000314
And expect good results...."
We haven't really been discussing a "problem" but more of an artifact of a particular unusual use....
From: Psygorn (DRILLBIT)
Hi :)
No, I am referring to a new problem! see the message I replied to! (message 10300.32 )
And yes! I understand ultra zoom may not be reliable. However I interpret the tiny gap between two tangent lines/curves as a sign of having tangent - in ultra zooms-
From: BurrMan
""""""No, I am referring to a new problem! see the message I replied to! (message 10300.32 )"""""
Hi Drillbit,
I understand. Sorry about the distraction....
From: Michael Gibson
Hi Psygorn,
re:
> Hello guys, I have crossed upon new problem! You might be able to help :)
>
> I tried to create Tangent curve to red line at Point_1 and the green circle.
How about this - mirror green circle around magenta line, you can then use Circle or Arc tangent command, with the 2 green curves as the first tangent objects and third pick either snapping to Point_1 or getting a third tangent to the red line will work like this:
- Michael
From: Psygorn (DRILLBIT)
Oh wooow! Love that Genius method of yours :)
Again I would be happy to see it built in, is it possible? (No need to say I love your Genius method! :)
From: Psygorn (DRILLBIT)
Hi, and tanx :)
But Michael already solved the problem! :)
From: Michael Gibson
Hi Psygorn, I'm glad that method works for you!
How would you be expecting this one to work as a "built in" option?
- Michael
From: Frenchy Pilou (PILOU)
<<< .0000000000000000000000000314
seems number of Pi! :)
From: Psygorn (DRILLBIT)
Hi and thank you.
I meant it would be good if I could draw a curve and then have it tangent to both the desired point of the line and the circle.
I love those tricks- mirroring the circle and then draw the Circle Tan- however, I think if there was a method with which user/s could create such curve without applying those tricks that would be awesome. :)
From: Psygorn (DRILLBIT)
Yes! I would like to know from where BurrMan took that number?
suspiciously resembling Pi!
From: BurrMan
περιϕέρεια (peripheral)
We've been drawing circles!
From: Larry Fahnoe (FAHNOE)
Well, better than walking in circles! ;-}
--Larry
From: Michael Gibson
hi Psygorn,
re:
> I meant it would be good if I could draw a curve and then have it tangent to
> both the desired point of the line and the circle.
It's not really good for something that is used very rarely to have a special command for it because that's how the UI gets very bloated and unwieldy over time.
So it would need to fit in to an existing command. Currently I think it might be problematic to try and fit this into the regular circle/arc tangent command because there isn't currently a way in the command to specify tangent to a curve and also through a point on the same curve.
- Michael
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