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About craigls

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    craig stevenson
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  1. Is there a way(particles)

    Is there a way i can run particles along a pop curve force, but at the end of the curve have them fly out like a hosepipe?
  2. Can anyone suggest what might be going on here, as soon as i check on the motionblur in Redshift, I get some crazy motion blur, I've tried messing with the motionblur settings in the redshift rop, tried adding trail sops with computer velocity on them, can't see to get rid of the problem, unless i switch off enable motion blur in redshift. Any help would be really appreciated.
  3. I seem to be having a great of trouble trying to get an animated alembic cached geometry that Ive cached to frame 85, to switch to an RBD simulation. Heres the setup.(iamges attached) Ive tried putting a point wrangle before the OUT_TRUCK node, tried i@active = 0; i@deforming = 1; and RBD key active turning on at frame 86. no joy tried disabling the point wrangle(i@active=0,i@deforming=1) then tried with the rbd key active, 0 on till frame 85, then active, then 1 on frame 86, still no joy. The animated part does kick in between frames 1 and 85. Ive tried setting the use obj path to 1, and pointing the OBJ path to the OUT_TRUCK, no joy. even tried a sop solver, with a point wrangle, and set i@active 1; then connecting a enable solver, to kick on at frame 86 Image Not Found . Is there something Im missing. I also want to ensure the RBD picks up the velocity from the animated alembic. Any advice much much appreciated.
  4. Hi, can someone correct me, Im trying to render a sequence of ifds, with this command in the command shell(windows) for %i in (*.*) do mantra -f mantra.ifd G:\renders\render.%i.exr but the render.%i.exr is not giving me incremental frames. can anybody help pls. thanks in advance.
  5. noise on grains

    Hi, Is it possible to add noise(displacement or bump), to individual grains to turn them from spheres into more a rock like shape? thanks in advance. Craig
  6. Hi, Can someone help, and explain why after translating a cube up in sops, on the geometry node to postion a box on top of another box. then making it a RBD object. then simply add a deactivate object from the shelf tools, why my pivot and object change position when I jump into dops. Perhaps Im missing something silly here, anyone help please? thanks in advance.
  7. RBD active value

    Thats seems a very cool way to do it Tyfx567, I tried the other way and my sim times go through the roof, shall try this way:)
  8. Hope someone can shed some light on this, follow a tutorial from digital tutors. I've setup a for loop to colorize points black(inactive), red(active), and fed them into a null called OUT_ACTIVE_POINTS. Ive fed them into a null called OUT_ACTIVE_POINTS and in dops under my rbdpackobject1, Ive put a activalue node and in the active filed typed this expression. point("../../OUT_ACTIVE_POINTS/",$OBJ,"Cd",0) but when I run the sim, the whole object remains inactive, might there be something different in H16 that's causing this. really appreciate any advice.
  9. Whitewater Freezing, Flickering issue

    Are you simulating foam without bubbles, Ive seen this problem if you sim foam alone without bubbles.
  10. group by velocity in vex H16

    Thanks rich lord, that gets me close to what i need.
  11. group by velocity in vex H16

    tried that, but starts to cut off top of the surface of wave, tricky coz the wave is moving slowly up and down, so has some velocity, but the center moves up faster, hence my thought was to catch it with a velocity threshold, would be fantastic if i could do it with a velocity threshold within a cylindrical bounds volume.
  12. group by velocity in vex H16

    yeah but if I use P, when the surface wave moves up and down, some points will get cut off at a certain frame, which I don't want, thats why I was thinking velocity would be the answer..
  13. Hi, how can i group the particle with the new group expression node in H16 with vex, I tried this, but don't seem to get just the particles rising.