Yup. Sure enough! Did the trick. Thanks!
joey From: softimage-boun...@listproc.autodesk.com [mailto:softimage-boun...@listproc.autodesk.com] On Behalf Of Thomas Volkmann Sent: Tuesday, May 23, 2017 2:28 PM To: Official Softimage Users Mailing List. https://groups.google.com/forum/#!forum/xsi_list <softimage@listproc.autodesk.com> Subject: Re: ICE instance and travel Isn't there a visibilty flag "Hide Instance Master" or similar in the visibility properties? Bradley Gabe <witha...@gmail.com<mailto:witha...@gmail.com>> hat am 23. Mai 2017 um 20:22 geschrieben: That sounds familiar. You can always just translate the source geometry out of frame. As long as the centers remain the same, it won't affect your instances. On May 23, 2017, at 1:14 PM, Ponthieux, Joseph G. (LARC-E1A)[LITES II] <j.ponthi...@nasa.gov<mailto:j.ponthi...@nasa.gov>> wrote: Brad, Thanks! I got the sim working by taking the primitive generation tree, and copies node, out of the sim, and added a Set Instance Geometry to the point cloud. Its now working fairly well with one exception. While its creating the geometry instances, animating them, and scaling them as I want, I can’t seem to hide the source geometry without also hiding the instances in the point cloud. Joey From: softimage-boun...@listproc.autodesk.com<mailto:softimage-boun...@listproc.autodesk.com> [mailto:softimage-boun...@listproc.autodesk.com] On Behalf Of Bradley Gabe Sent: Tuesday, May 23, 2017 2:09 PM To: Official Softimage Users Mailing List. https://groups.google.com/forum/#!forum/xsi_list <softimage@listproc.autodesk.com<mailto:softimage@listproc.autodesk.com>> Subject: Re: ICE instance and travel In a pinch, when you can't get an ICE sim to work the way you want, try using 2 clouds. The first cloud generates the particles, which you can delete (or not!) any way that works without halting the emission. The second cloud can be a chached instance or sourced from the first. Trim the particles by distance on the second cloud. Render the second cloud. -Bradley Bradley Gabe, DO UTHSCSA Anesthesiology On May 23, 2017, at 12:59 PM, Ponthieux, Joseph G. (LARC-E1A)[LITES II] <j.ponthi...@nasa.gov<mailto:j.ponthi...@nasa.gov>> wrote: Patrick, That worked mostly as I would have hoped, Thanks! …except the same problem exists as before in the Create Copies node. Once it reaches a “greater than target distance” value, geometry emission ends. Maybe I can find the problem in the node. Else it looks like I’ll have to construct the whole thing from ground up. Thanks! Joey From: softimage-boun...@listproc.autodesk.com<mailto:softimage-boun...@listproc.autodesk.com> [mailto:softimage-boun...@listproc.autodesk.com] On Behalf Of patrick nethercoat Sent: Tuesday, May 23, 2017 12:56 PM To: Official Softimage Users Mailing List. https://groups.google.com/forum/#!forum/xsi_list <softimage@listproc.autodesk.com<mailto:softimage@listproc.autodesk.com>> Subject: Re: ICE instance and travel OK, rather than hack it with age you'd be better off doing it the 'simple' way, ie you want to delete based on distance. Here's one way, compare the two distances and kill if greater. On 23 May 2017 at 17:38, Ponthieux, Joseph G. (LARC-E1A)[LITES II] <j.ponthi...@nasa.gov<mailto:j.ponthi...@nasa.gov>> wrote: Patrick, Not quite. I’ve got scaling working in a way that I can manage. But not particle termination. I’ve got a null emitting particles. The particles are traveling linearly towards a second target null. The target can be moved at will. I would like to make the particles terminate (per particle) when they reach or exceed the distance from emitter null to the target null. But have been unable to get that working. For that matter I’ve been unable to get basic per particle termination to work correctly. I have been able to delete particles by adding “Set Particle Age Limit” and “Delete Particle at Age Limit” to the Ice Tree execute ports, but this has limited results. After specified age limit it just stops emitting geometry copies. Particles terminate correctly in time where expected, say after 3 seconds for example, and particles continue being generated at the emitter after 3 seconds, but not the geometry generated via "Create Copies from Polygon Mesh". The geometry emission simply terminates after 3 seconds and make no more copies on the newly emitted particles. It would seem this is a deficit within the "Create Copies from Polygon Mesh" node. The presumption is I’m going to have a similar problem once I figure out how to terminate at distance from emitter. BTW, adding the age limit nodes to Execute on the emitter has no affect. Joey From: softimage-boun...@listproc.autodesk.com<mailto:softimage-boun...@listproc.autodesk.com> [mailto:softimage-boun...@listproc.autodesk.com<mailto:softimage-boun...@listproc.autodesk.com>] On Behalf Of patrick nethercoat Sent: Tuesday, May 23, 2017 12:23 PM To: Official Softimage Users Mailing List. https://groups.google.com/forum/#!forum/xsi_list <softimage@listproc.autodesk.com<mailto:softimage@listproc.autodesk.com>> Subject: Re: ICE instance and travel Sounds like you're almost there. Are you happy with how to scale and kill the particles? On 23 May 2017 at 16:08, Ponthieux, Joseph G. (LARC-E1A)[LITES II] <j.ponthi...@nasa.gov<mailto:j.ponthi...@nasa.gov>> wrote: Patrick, I need linear emission intervals. The particles need to be spaced evenly. Turns out, apparently, that you have to hack the “Emit from Null” compound to make it do that by forcing it to emit on frame intervals instead of emitting randomly as designed by default. At least that’s one way to do it. Now I need to set particles to terminate a set distance from the emitting null and have the particle scale interpolate along that same distance using two defined particle scale values from start and end and everything is golden... I think ☺ -- Joey Ponthieux LaRC Information Technology Enhanced Services (LITES II) Science Systems and Applications Inc. (SSAI) NASA Langley Research Center __________________________________________________ Opinions stated here-in are strictly those of the author and do not represent the opinions of NASA or any other party. From: softimage-boun...@listproc.autodesk.com<mailto:softimage-boun...@listproc.autodesk.com> [mailto:softimage-boun...@listproc.autodesk.com<mailto:softimage-boun...@listproc.autodesk.com>] On Behalf Of patrick nethercoat Sent: Tuesday, May 23, 2017 9:47 AM To: Official Softimage Users Mailing List. https://groups.google.com/forum/#!forum/xsi_list <softimage@listproc.autodesk.com<mailto:softimage@listproc.autodesk.com>> Subject: Re: ICE instance and travel What is it you can't control in the emission behaviour? On 23 May 2017 at 14:33, Ponthieux, Joseph G. (LARC-E1A)[LITES II] <j.ponthi...@nasa.gov<mailto:j.ponthi...@nasa.gov>> wrote: Morten, "Create Copies from Polygon Mesh" behaves similarly actually, allowing me to use a particle emission to control travel. It gets fairly close to what I want, but I can't seem to control the emission behavior the way I want it. Been so long since I've used ICE particles. I'd have tried doing this in Houdini except I need a quick turn around and I'm not up to speed on Houdini yet. Thanks -----Original Message----- From: Morten Bartholdy [mailto:x...@colorshopvfx.dk<mailto:x...@colorshopvfx.dk>] Sent: Tuesday, May 23, 2017 4:35 AM To: Ponthieux, Joseph G. (LARC-E1A)[LITES II] <j.ponthi...@nasa.gov<mailto:j.ponthi...@nasa.gov>>; Official Softimage Users Mailing List. https://groups.google.com/forum/#!forum/xsi_list <softimage@listproc.autodesk.com<mailto:softimage@listproc.autodesk.com>> Subject: Re: ICE instance and travel Is there any reason why you can't use an animated object and simply instance it using Set Instance Geometry? Morten > Den 22. maj 2017 klokken 20:53 skrev "Ponthieux, Joseph G. (LARC-E1A)[LITES > II]" <j.ponthi...@nasa.gov<mailto:j.ponthi...@nasa.gov>>: > > > Howdy, > > I'm a bit rusty at ICE it would seem, I'm trying to create a network that > allows me to instance a mesh shape and make the instances travel across a > distance. > > I was able to use an Empty mesh and "Create Copies from Polygon Mesh" to > replicate multiple shapes using Add or Interpolate. Interpolate is what I > really want but can seem to figure out how to make these copies animate in a > loop across the transform range. I'm sure this is possible but not sure how > to make the instances animate at this point. > > Any suggestions would be very welcome. > > > -- > Joey Ponthieux > LaRC Information Technology Enhanced Services (LITES II) Science > Systems and Applications Inc. 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