Subject:
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Re: Animation Precision
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Newsgroups:
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lugnet.cad.dev
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Date:
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Sat, 19 Feb 2005 17:54:36 GMT
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Viewed:
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2066 times
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In lugnet.cad.dev, Roland Melkert wrote:
> Hello,
>
> I've been working on LD4DModeler 2 (on paper) tonight and i have a
> question regarding precision.
>
> The question is what is 'normal' to use for the amount of decimals that
> can be set by user interface controls.
>
> I was thinking 2 myself but if there is a reason to support more or less
> I'm open to suggestions.
I think 2 is sufficient, but 3 "feels" safer.
Once there was an extreme case where 3 wasn't enough. I had to rotate train
tracks and a train from a radius of... I think it was 750, 800, and 850 LDU.
Using 3 decimals on the sin and cos values and multiply the rounding errors with
800, well that did show. But on minifig legs and vehicle parts , I doubt that
using 2 decimals normally makes visible rounding errors.
/Tore
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Message is in Reply To:
 | | Animation Precision
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| Hello, I've been working on LD4DModeler 2 (on paper) tonight and i have a question regarding precision. The question is what is 'normal' to use for the amount of decimals that can be set by user interface controls. I was thinking 2 myself but if (...) (20 years ago, 18-Feb-05, to lugnet.cad.dev)
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