Here´s the rest of the workflow on SI-community. Couldn´t solve it. :( http://www.si-community.com/community/viewtopic.php?f=11&t=5860
On Tue, Apr 21, 2015 at 11:28 AM, Pierre Schiller < [email protected]> wrote: > Thank you for that tip Rob. I was reading and caching files with the cache > node on ice. I wrote my timeline, then set it to read, play (it plays > forwards but not backwards, and I followed the ICE help) so I stopped using > it and decided to use Cache manager. But good point, I didn´t think about > shapeinstance time (which I read on the stat render bar that is calculated > when it´s a live simulation). On another almost-related-subject I am > thinking to cluster some points on the syflex sim and then setup a bone > system parented to those clusters, as to a means of having bone deformation > on the mixer and end this nightmare. Today I need to do really close ups on > those grids, and they are still not moving (waving by the syflex sim) as > was to be expected. I hope that parameter caching would work. Did you have > a chance to look at the arnold setup for instancing animation I previously > posted? Is that a way to get this to work? I´m only using mental ray. > > Cheers. > > On Tue, Apr 21, 2015 at 3:51 AM, Rob Chapman <[email protected]> wrote: > >> Hey Pierre, >> >> about instances losing shape animation on cache playback. 2 things there, >> an attribute called shapeinstancetime or similar is not being stored or >> read correctly. Here is a quick fix suggestion, take whatever logic is >> applied to the uncached instances in the sim and apply it to the cache. >> You don't have to apply caches with the cache manager you can read them in >> ice with cache on file node then apply additional logic like controlling >> shape instance time per particle >> On 21 Apr 2015 01:10, "Pierre Schiller" <[email protected]> >> wrote: >> >>> @Rob, thank you for your .scn >>> I see you have cached the simulation and then applied a live operator >>> (turbulize mesh) >>> I see the syflex ICE tree under the simulation operator stack. Grid has >>> a syflex sim, grid1 has a turbulize mesh with a cached sim. >>> >>> My original intent is to cache the syflex sim (via cache manager) write >>> it, and then read it so that heavy particle numbers will not crash the >>> scene. >>> Once It is reading the syflex cache from the main instance grid, I >>> pretend to use it on my pCloud to generate many grids (around 300) with a >>> picture on them. >>> Each individual picture comes from an image sequence. >>> >>> All works until that point. >>> >>> Then, when I scrub over my timeline (1-200) I stop on frame 155 to make >>> it my initial state for the pCloud. Then the cached simulation that´s >>> reading from the >>> main instance gets read, I scrub forwards, it plays, all good. >>> >>> But now I cache the pCloud in order to make the scene simulation the >>> same everytime I open it (otherwise random positions on the pCloud will >>> happen, and also >>> sequenced pictures play along timeline (frame 1 shows picture 1, frame 2 >>> shows picture 2 in all of the pCloud´s instances). >>> >>> So once the pCloud is cached, then the main instance grid is read no >>> more and thus all the particles are "stuck" in 1 (random) frame of the >>> original cached animation >>> from the grid. It stays there, but I see no animation for the instanced >>> grids on the pCloud. >>> >>> I´m further explaining the ICE behavior, but I am trying to solve the 2 >>> questions I posted previous to this comment. >>> >>> All I´m left with is to launch fulll sim on 300 instances, leave the >>> machine overnight on render and hope there will be no changes from the art >>> director on the next morning :( >>> >>> On Mon, Apr 20, 2015 at 5:32 PM, Pierre Schiller < >>> [email protected]> wrote: >>> >>>> If anyone has encounter this ICE graphic on Arnold, please help me with >>>> the following question: >>>> Could a pCloud use animated cached instance animation and then cache >>>> the pCloud with initial state? (say frame 200 as initial state). >>>> >>>> >>>> On Mon, Apr 20, 2015 at 2:10 PM, Pierre Schiller < >>>> [email protected]> wrote: >>>> >>>>> So this is the result so far. I get to cache the pcloud, but then it >>>>> doesn´t pick up the deformations (cached) from the papers. So the cached >>>>> pcloud just plays the papers but the papers don´t move, they´re freezed in >>>>> time, and don´t play the cached animation. >>>>> >>>>> Any clues to move on with the setup? >>>>> Thanks. >>>>> >>>>> On Mon, Apr 20, 2015 at 11:58 AM, Pierre Schiller < >>>>> [email protected]> wrote: >>>>> >>>>>> Hi, this is how the original paper (syflex simulation on a 3 x4 grid) >>>>>> is live. I´ve been using the cache manager to create a cached clip on the >>>>>> mixer (orange color). Works. >>>>>> * Then, I use the set instance geometry and control displacement >>>>>> instance animation, so that the cached track on the mixer works feeding >>>>>> the >>>>>> particle system a different fame for the animation. Works (I can see the >>>>>> papers/grids animate) >>>>>> * Then I assign the random sequence texture to the instance master >>>>>> with the Ice get data ->self.mySpriteID as the time source so the >>>>>> particles >>>>>> will pick up the texture a different frame for each picture. Works. >>>>>> * I render region on the viewport (I see all instances with different >>>>>> pictures from the sequence, and they stay like so until the end of the >>>>>> timeline). Works. >>>>>> >>>>>> I render the timeline, then I don´t see the cached papers move (they >>>>>> draw a frame and then another they don´t! (0_0) or some other renders >>>>>> what >>>>>> they do is they are following their path curve (flow along curve) and >>>>>> they >>>>>> jam 1 or 2 frames and then frame 3 they come back to their trajectories. >>>>>> >>>>>> I´ll try to upload a video later today... >>>>>> Thank you guys for giving me a helping hand with this. >>>>>> >>>>>> David. >>>>>> >>>>>> On Sat, Apr 18, 2015 at 6:38 AM, Rob Chapman <[email protected]> >>>>>> wrote: >>>>>> >>>>>>> also, who knows how you currently have this set up in the operator >>>>>>> stack. As a heads up, you cannot deform on top of a cache if the >>>>>>> deform is in the simulation stack because each frame gets overwritten >>>>>>> by the cache. therefore you need to apply it in the modelling region >>>>>>> but above the cache / mixer op . I made you a quick example scene >>>>>>> with >>>>>>> a simple grid with a syflex grid that has been cached and then the >>>>>>> Ice >>>>>>> turbulize mesh applied correctly afterwards >>>>>>> >>>>>>> >>>>>>> https://drive.google.com/file/d/0B0WD7fSUkxAMRmFvbk9XU0hWMzQ/view?usp=sharing >>>>>>> >>>>>>> >>>>>>> >>>>>>> On 18 April 2015 at 09:51, Rob Chapman <[email protected]> wrote: >>>>>>> > ok thats two issues, lets stick with one at a time. >>>>>>> > >>>>>>> > what you are saying is that turbulize on top of syflex will not >>>>>>> work? >>>>>>> > this is to be expected. Are you seeing the additional turbulize >>>>>>> > deformation in the viewport? here I try and see nothing, so if you >>>>>>> > want additional deformations on top of a cloth sim best to cache >>>>>>> sim >>>>>>> > first and then deform on top of that? >>>>>>> > >>>>>>> > On 18 April 2015 at 07:57, Pierre Schiller >>>>>>> > <[email protected]> wrote: >>>>>>> >> I'm using SI 2015. I made the syflex setup on ICE. I'm caching >>>>>>> via cache >>>>>>> >> manager. So all I get is the syflex sim cached but no additional >>>>>>> deformation >>>>>>> >> (on top of my syflex ice setup I got a turbulize mesh op, which >>>>>>> doesnt cache >>>>>>> >> either..). Displacement control instance animation isn't helping >>>>>>> to offset >>>>>>> >> animations once cached.. Will it Help if I upload a vídeo? >>>>>>> >> Thanks forma all tour replied guys. 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