Hey guys, the best way to retime nCaches is in the Trax editor. Select the 
cached node and open the editor. You’ll see a bar representing the length of 
your cache on disk. You can expand/compress this bar to achieve the retiming 
you desire. You can’t ramp-in/ramp-out the speed, unfortunately. Not without 
extremely unpredictable results, that is.

Now it gets tricky, so I recorded a couple of videos (in .swf format) to maybe 
provide a bit of insight:

nCache_retiming_01.swf<https://autodesk.box.com/s/ves0ye66ny9sc0y78a8ck8xi8af2zyns>
nCache_retiming_02.swf<https://autodesk.box.com/s/bxwfnuupxw11fz9tvfr94k72djb9fwfv>

Also, as I mentioned at the end of the second video, a suggestion from one of 
our devs here is to goal ‘classic’ particles to your nParticles 
(post-retiming), cache those out and render them, rather than the nParticles:

You could export it as a classic particle cache (with dynExport) , and then 
create a classic particle shape with exactly the same set of  attributes as you 
exported. (which means that you either have to explicitly specify the list of 
PP attrs so that you don't end up with ramp input attrs, or you may need to add 
any extra cached attrs to the classic particle system).

Hope this helps,
Adrian

From: [email protected] 
[mailto:[email protected]] On Behalf Of Gerbrand Nel
Sent: Monday, February 16, 2015 4:59 AM
To: [email protected]
Subject: Re: Aw: OT Maya: ncache hell

Ugh....
Well thanks for the heads-up.
G
On 16/02/2015 11:50, Leo Quensel wrote:
I've been through this hell.
Long story short: Do it in Softimage, it is next to impossible to do it 
properly in Maya and it is a buggy mess.

Gesendet: Montag, 16. Februar 2015 um 10:45 Uhr
Von: "Gerbrand Nel" <[email protected]><mailto:[email protected]>
An: [email protected]<mailto:[email protected]>
Betreff: OT Maya: ncache hell
Hey guys
So I have to re-time my particles in Maya, and no one seems to know how
to do this properly.
Do you guys know if I can bring them into softimage, re-time, and then
re-export the ncache to maya?
Even if you know how to do it with houdini, please shout!
Thanks guys


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