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Curve by formula

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I tried to create a "Superellipse" with the tool "Curve by Formular" . (have a look at > Wiki > Superellipse)

didn't get it to work - but produced a lot of crashes 

any help is wellcome

vva

 

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hi Chris,

this is the formula I used - the exponent as a decimal number: 2/2.5 = 0.8 (Piet Hein used 5/2)

317246426_tooloptions.png.55c1d12d686533c5b97fc3b2578d2f63.png

and I made some experiments with a variable (v) for the exponent:

1456741917_tooloptions2.png.2b14c51d634dec4c52249b2af0254778.png

thank you for your help

vva

 

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Mine is not crashing,    however, when I use 0 to 1 for the domain, it will produce.    if I put the domain to 0 - 2*pi    it does not.   or what it does produce is too small to see.

upon further exploration, anything larger than a value of 1.57079632   it disappears.

Same behavior in the Beta.

 

¢£

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Thank you for investigating this!

in the meantime I found an Exel doc with a good graph that I used as underlay and made the curve as nurbs.

so I got this:

1759345766_SuperElli03.thumb.jpg.8d2e4c292a97e90fcc1741e38973f7d2.jpg

vva

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