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] > <[email protected]> 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: [email protected] > [mailto:[email protected]] 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 > <[email protected]> > 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] > <[email protected]> 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: [email protected] > [mailto:[email protected]] 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 > <[email protected]> > 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] > <[email protected]> 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: [email protected] > [mailto:[email protected]] 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 > <[email protected]> > 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] > <[email protected]> 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 J > > -- > 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: [email protected] > [mailto:[email protected]] 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 > <[email protected]> > > 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] > <[email protected]> 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:[email protected]] > Sent: Tuesday, May 23, 2017 4:35 AM > To: Ponthieux, Joseph G. (LARC-E1A)[LITES II] <[email protected]>; > Official Softimage Users Mailing List. > https://groups.google.com/forum/#!forum/xsi_list > <[email protected]> > 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]" <[email protected]>: > > > > > > 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. (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. > > > > > > ------ > > Softimage Mailing List. > > To unsubscribe, send a mail to [email protected] with > > "unsubscribe" in the subject, and reply to confirm. > > ------ > Softimage Mailing List. > To unsubscribe, send a mail to [email protected] with > "unsubscribe" in the subject, and reply to confirm. > > > > -- > Brandt Animation > www.brandtanim.co.uk > 020 7734 0196 > 07717 38 39 40 > > ------ > Softimage Mailing List. > To unsubscribe, send a mail to [email protected] with > "unsubscribe" in the subject, and reply to confirm. > > > > -- > Brandt Animation > www.brandtanim.co.uk > 020 7734 0196 > 07717 38 39 40 > > ------ > Softimage Mailing List. > To unsubscribe, send a mail to [email protected] with > "unsubscribe" in the subject, and reply to confirm. > > > > -- > Brandt Animation > www.brandtanim.co.uk > 020 7734 0196 > 07717 38 39 40 > ------ > Softimage Mailing List. > To unsubscribe, send a mail to [email protected] with > "unsubscribe" in the subject, and reply to confirm. > ------ > Softimage Mailing List. > To unsubscribe, send a mail to [email protected] with > "unsubscribe" in the subject, and reply to confirm.
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