display the velocity in rendering

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Hi everyone,

Is there anyone know how to show the Scene Visualizers in rendering?

I could display them in scene view but couldn't show in Rendering.

I need it for making some diagrams and animations.

If there is anyone knows how to do it. Can you please teach me?

Thank you !!

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1.PNG (13.1 KB)

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Have you tried the openGL ROP? If this is the look you're going for, that is.
Francisco Rodriguez
Effects Animator | Walt Disney Animation Studios
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fxrod
Have you tried the openGL ROP? If this is the look you're going for, that is.

Hi Francisco,

Thank you for the reply. sorry that could you teach me how to setup in openGL ROP?

I tried several times in different setups but it doesn't work. the velocity still could not be rendered :cry:

Thank you!!
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you can just copy lines on the points and color them
if v is present they will automatically orient accordingly, you can as well create pscale attrib according to speed to have lines correct length based on speed and width attrib to adjust their width for mantra render

EDIT: oh, and if you want them to be as trails, just set Speedmult parm (in pscale node in the example) to negative numbers, like -1

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velocity_lines.hip (781.3 KB)

Tomas Slancik
FX Supervisor
Method Studios, NY
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Hi tamte,

Thanks for the file.
I will learn and try to apply on my file.
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