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MPM display particles velocities by color

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Message 1 of 3
davide445
388 Views, 2 Replies

MPM display particles velocities by color

Trying different paths to achieve this result by so far with no luck:

1) simulate_mpm(granular_particles) --> split_points_by_material(snow_particles) --> get_point_velocity( point_velocity) --> (base_color)standard_surface_material --> assign_material --> output

 

2) simulate_mpm(granular_particles) --> split_points_by_material(snow_particles) --> set_color_by_property(out_points) --> (geometry)assign_material --> output

 

3) simulate_mpm(volume) --> extract_property (velocity) --> same as before

 

For sure I'm not getting something basic.

 

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Message 2 of 3
JMM71
in reply to: davide445

This video shows a workflow for transfering velocity to color.

https://youtu.be/YcoiWD1O0Xk

 

Hope it helps

 

Jason

Message 3 of 3
davide445
in reply to: davide445

Discovered I can obtain similar effect easilly using "assign_diagnostic_material" or "point_scope" nodes.

The only problem is resulting particles have just a base color with no shading so it's difficult to distinguish them.

Wondering if there is a way to add some other property such as roughness or specular.

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