Arda, so when it renders they are facing the wrong way? as in they are all pointing inwards rather than outwards? just revere the instance and freeze - it will look wrong in openGL but render correctly.
On 16 May 2012 15:29, Arda Sernaz <[email protected]> wrote: > Rob, > > i set both particle and strand orientation but nothing changed after , i > used align to surface node. in opengl view instances oriented correctly but > when i render it is different. > > On 5/16/2012 4:42 PM, Rob Chapman wrote: > > Sandy, just so you know because it isnt that obvious, it was me that wrote > that tutorial :) also Arda, I imagine the orientation problem you are > having is because they are all on a sphere rather than a grid - are you > taking the spheres normal into account regarding the orientation? And as > for OP, Morten am not sure why your orientation is having the effect it is, > perhaps because you are setting the orientation only on emit then doing > something else that effects it. try putting the orientation back on as the > last step in the ice tree. > > best regards > > Rob 'tekano' chapman > > On 16 May 2012 14:23, Sandy Sutherland <[email protected] > > wrote: > >> >> https://docs.google.com/open?id=0B8MfxqvWZh32N1dJV2x2RTIwMGc >> >> Here ya go - it is that system that Rob mentions, I added more particle >> segments to allow more accurate collision - but otherwise the same thing - >> you can add forces such as wind into the mix on the particle setups - it is >> a really nice method to do it! >> >> Cheers >> >> >> S. >> _____________________________ >> Sandy Sutherland >> Technical Supervisor >> [email protected] >> _____________________________ >> >> >> >> >> ------------------------------ >> *From:* [email protected] [ >> [email protected]] on behalf of olivier jeannel [ >> [email protected]] >> *Sent:* 16 May 2012 14:59 >> >> *To:* [email protected] >> *Subject:* Re: ICE strand orientation trouble - again :/ now with images >> >> Ahem, I'd be curious too ^^ >> >> >> Le 16/05/2012 14:29, Morten Bartholdy a écrit : >> >> I would be very interested in that one Sandy :) >> >> >> >> Morten >> >> >> Den 16. maj 2012 kl. 14:25 skrev Sandy Sutherland >> <[email protected]> <[email protected]>: >> >> >> I can send you a scene I developed based on a technique I came across >> somewhere to do awesome simulated strands, by creating particle systems to >> loft the strands between and doing the sim on the particles - this allow >> you to set orientation on the particles and then the strands - I was using >> it to do grass and bushes being flattened by a vehicle and I had the >> bushes/grass randomly oriented as I was rendering a field using strand >> deforming. >> >> S. >> >> _____________________________ >> Sandy Sutherland >> Technical Supervisor >> [email protected] >> _____________________________ >> >> >> >> ------------------------------ >> *From:* [email protected] [ >> [email protected]] on behalf of Arda Sernaz [ >> [email protected]] >> *Sent:* 16 May 2012 14:16 >> *To:* [email protected] >> *Subject:* Re: ICE strand orientation trouble - again :/ now with images >> >> Yes i tried a feather instance on strands but i couldn't set the >> orientation... >> >> On 5/16/2012 1:37 PM, Christian Keller wrote: >> >> try the loft ... checkbox in your create strands compound. >> and if you use the sitoa strand compound, there´s also one for the >> rotations. >> not sitting in front of xsi now, but sure you´ll figure it out within >> one minute ;) >> >> Am 16.05.2012 11:36, schrieb Stefano Jannuzzo: >> >> You posted an Arnold render. You mean that you can't achieve the same >> result with mr, or that the Arnold result itself is wrong? >> Stefano >> >> On Tue, May 15, 2012 at 1:49 PM, Morten Bartholdy < [email protected]> >> wrote: >> >> >> Here are a couple of images showing what I am doing: >> >> >> >> http://dl.dropbox.com/u/763668/ICE/Strands_InstanceGeo_Rotation_01.jpg >> >> >> >> >> http://dl.dropbox.com/u/763668/ICE/Strands_InstanceGeo_Rotation_ICE_Tree_01.jpg >> >> >> >> I just need to randomize of the geometrys y-rotation, and according to >> the docs and pointers given here earlier this should do the trick, but no >> go. Is there a magic step I might have missed to get it working? >> >> >> >> /Morten >> >> >> >> >> >> >> Den 15. maj 2012 kl. 11:14 skrev Morten Bartholdy < [email protected]>: >> >> >> >> I have a nice setup which creates lovely grass deforming geometry >> instances on strands so I can have turbulent wind moving the strands >> around. I am using Emit Strands for this, but I seem to be unable to >> randomize the instance y-orientation using a Randomize Rotation by Cone - >> they are unaffected by this. If I create a different setup using Emit from >> Geometry and Create Strands on that, I can control the y-rotation, but then >> the instances are upside down, and my non simulated turbulence does not >> work. >> >> >> >> How can I get to control instance y-rotation when using Emit Strands? >> >> >> >> MOrten >> >> >> >> >> >> >> >> >> -- >> christian keller >> visual effects|direction >> m +49 179 69 36 248 >> f +49 40 386 835 33 >> [email protected] >> >> >> >> -- >> Ardahan SERNAZ >> VFX TD >> www.lhvfx.com >> >> >> >> >> >> > > > -- > Ardahan SERNAZ > VFX TDwww.lhvfx.com > >
