I think he means that Nuke doesn't give motion vectors for particles.
Howard
>________________________________
> From: Frank Rueter <[email protected]>
>To: [email protected]
>Sent: Friday, 21 September 2012, 0:08
>Subject: Re: [Nuke-users] Particles emitted from a Roto spline...
>
>
>Not sure what you mean by "turning the rendered output into uv". Shuffle node?
>
>
>
>On 9/21/12 7:32 AM, Ned Wilson wrote:
>
>Frank,
>>
>>THANK YOU! Next step - turn the rendered output into forward.u and
forward.v channels to pipe into an IDistort node for realistic
heat distortion.
>>
>>
>>On Wed, Sep 19, 2012 at 7:11 PM, Frank Rueter <[email protected]> wrote:
>>
>>Yes, it's the rate channel knob you're after. just make sure your texture has
>>a reset bounding box or things are offset (bug):
>>>
>>>set cut_paste_input [stack 0]
>>>version 7.0 v1b38
>>>push $cut_paste_input
>>>Radial {
>>>area {512 315 1536 945}
>>>softness 0.445
>>>name Radial1
>>>selected true
>>>xpos -39
>>>ypos -536
>>>}
>>>Crop {
>>>box {0 0 2048 1260}
>>>name Crop2
>>>selected true
>>>xpos -39
>>>ypos -512
>>>}
>>>Card2 {
>>>display textured+lines
>>>rows 10
>>>columns 10
>>>control_points {3 3 3 6
>>>
>>>1 {-0.5 -0.5 0} 0 {0.1666666865 0 0} 0 {0 0 0} 0 {0
0.1666666865 0} 0 {0 0 0} 0 {0 0 0}
>>>1 {0 -0.5 0} 0 {0.1666666716 0 0} 0 {-0.1666666716 0 0} 0 {0
0.1666666865 0} 0 {0 0 0} 0 {0.5 0 0}
>>>1 {0.5 -0.5 0} 0 {0 0 0} 0 {-0.1666666865 0 0} 0 {0
0.1666666865 0} 0 {0 0 0} 0 {1 0 0}
>>>1 {-0.5 0 0} 0 {0.1666666865 0 0} 0 {0 0 0} 0 {0 0.1666666716
0} 0 {0 -0.1666666716 0} 0 {0 0.5 0}
>>>1 {0 0 0} 0 {0.1666666716 0 0} 0 {-0.1666666716 0 0} 0 {0
0.1666666716 0} 0 {0 -0.1666666716 0} 0 {0.5 0.5 0}
>>>1 {0.5 0 0} 0 {0 0 0} 0 {-0.1666666865 0 0} 0 {0 0.1666666716
0} 0 {0 -0.1666666716 0} 0 {1 0.5 0}
>>>1 {-0.5 0.5 0} 0 {0.1666666865 0 0} 0 {0 0 0} 0 {0 0 0} 0 {0
-0.1666666865 0} 0 {0 1 0}
>>>1 {0 0.5 0} 0 {0.1666666716 0 0} 0 {-0.1666666716 0 0} 0 {0 0
0} 0 {0 -0.1666666865 0} 0 {0.5 1 0}
>>>1 {0.5 0.5 0} 0 {0 0 0} 0 {-0.1666666865 0 0} 0 {0 0 0} 0 {0
-0.1666666865 0} 0 {1 1 0} }
>>>name Card1
>>>selected true
>>>xpos -39
>>>ypos -466
>>>}
>>>set N9a65b530 [stack 0]
>>>push 0
>>>ParticleEmitter {
>>>inputs 2
>>>rate 30
>>>selection_threshhold 0.415
>>>rate_channel rgba.alpha
>>>name ParticleEmitter1
>>>selected true
>>>xpos -39
>>>ypos -386
>>>}
>>>push $N9a65b530
>>>Scene {
>>>inputs 2
>>>name Scene1
>>>selected true
>>>xpos 111
>>>ypos -407
>>>
>>>}
>>>
>>>
>>>
>>>
>>>On 9/20/12 1:41 PM, Ned Wilson wrote:
>>>
>>>Is this possible? Or from an image/alpha channel?
>>>>
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>>>>
>>>>
>>>>
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>>>
>>
>>
>>
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