Re: Spiral of Hell

[Rainer Schmidt <itrisk(at)gmx.net>]

Rogue experimenting lead to the following solution which actually works 
great:

1. greate spiral
2. create square
3. select square, set path to spiral in animation mode (linear and 
tangent) and set amount of frames to amount of subdivs expected
3a. set the correct axis for the tangent and use the upvector (y in my 
case) to keep the square from roling
4. edit, duplicate/instanciate from animation
5. few seconds later the 'correct' result has been createt but it's not 
a polymesh.
6. Now 'LOFT' the new poly mesh and delete the construction junk.
Works just fine with a LOT of control....

XSI is becoming my favorite computer adventure.....


Jeff McFall wrote:

> Been there unfortunately
> If I remember correctly we got out of this by duplicating the curve (profile) along the path multiple times 
> Then use "loft" to join them
>
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> -----Original Message-----
> From: owner-xsi(at)Softimage.COM [mailto:owner-xsi(at)Softimage.COM] On Behalf Of Rainer Schmidt
> Sent: Monday, October 31, 2005 1:39 PM
> To: XSI(at)Softimage.COM
> Subject: Spiral of Hell
>
> I ran into a problem with the spiral which I am unable to resolve....
>
> 1. create a spiral 0-1440 degree.
> 2. create a square.
> 3. Create Polymesh, extrude along curve.
>
> Square was selected, curve got picked. Now the extrusion follows. BUT the square is slowly rolling around the center of the curve.
> HOW can I prevent that it rolls during extrusion. I need a square channel where the square itself does not rotate. Like a spiral staircase, the steps do not warp ot tilt either on the way down.
>
> sighhhhh any ideas? I'm stuck...
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