Hey Rob :)
Well, in viewport they are just ordinary strands (like a curve or a hair).
I do generate a geometry with PLND Deform By Strand, but that's a shame
because it's much heavier,  and loose the power of putting 2000 strands if
desired :/

On Wed, Sep 30, 2015 at 10:51 AM, Rob Chapman <tekano....@gmail.com> wrote:

> clutching at straws.. but if they are good in viewport and not at render
> time  could you not attempt to bake them into topology first?
>
> On 30 September 2015 at 09:16, Olivier Jeannel <facialdel...@gmail.com>
> wrote:
>
>> Will check the rotation idea, although I think I already checked while
>> looking for the soluton in distress.
>> The temporary solution was to use PLND Deform By Strands with a grid, but
>> it's slow and I have many many strands in the scene, hopefully not all of
>> them have bugs (or noticeable bug).
>> And I'm usin Redshift, but tested with MR, and I have the same bug.
>> Probably one of these twisting rotation problem when going above 720°...
>> I tried some Upvector tweaking too, but it was a shot in the dark.
>>
>> Too bad, it's getting a bit fucked-up at render stage, the scene is
>> really nice and shows some ice magic (you know, the one you're happy with)
>>
>> Anyway, if someone has an idea don't hesitate to post ;)
>>
>> On Wed, Sep 30, 2015 at 2:14 AM, Nono <nnois...@gmail.com> wrote:
>>
>>> Yes already saw that a couple of times...
>>> Sadly I think it's a renderer specific problem of the strand orientation.
>>> Just to check, switch to mental Ray and you will see something different.
>>> Giving a small rotation on a second axis should fix the problems.
>>>
>>> Le mer. 30 sept. 2015 à 01:09, Sven Constable <sixsi_l...@imagefront.de>
>>> a écrit :
>>>
>>>> Are you using mental ray? If so, try switching from scanline mode to
>>>> raytrace for primary rays (optimization tab). A shot in the dark though…
>>>>
>>>>
>>>>
>>>> sven
>>>>
>>>>
>>>>
>>>> *From:* softimage-boun...@listproc.autodesk.com [mailto:
>>>> softimage-boun...@listproc.autodesk.com] *On Behalf Of *Olivier Jeannel
>>>> *Sent:* Tuesday, September 29, 2015 8:13 PM
>>>> *To:* softimage@listproc.autodesk.com
>>>> *Subject:* Align Strand segments
>>>>
>>>>
>>>>
>>>> Hi all,
>>>>
>>>>
>>>>
>>>> I'm using Create Strands and BendStrands to make some kind of spiral
>>>> ribon.
>>>>
>>>> [image: Inline image 1]
>>>>
>>>> As you might see in the attached pic, I'm getting some artifacts at
>>>> render time. The particle shape is set to Box, ConstrainStrandLength,
>>>> AlignStrandSegments are plugged, but don't do much to correct this.
>>>>
>>>>
>>>>
>>>> Any idea ?
>>>>
>>>>
>>>>
>>>
>>
>

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