David Nelson

DavidJNelson

About Me

Expertise
VFX Artist
Location
United States

Connect

Recent Forum Posts

H17 SlowMo (retime sop) Heat and Temperature Fields Feb. 1, 2019, 5:42 p.m.

I am having an issue regarding retiming heat and temperature fields to slow motion. I noticed all the examples online using the new retime sop are mostly retiming density. When I retime an explosion though, I get a weird ghosting step as the advected vel steps forward. It gives the sim a sort of jittery, stepping look.

My process/settings is basically…

Sim 15 frames of pyro with substeps cached out to .bgeo.sc with $FF in the output to cache substep data.

Cache goes into retime sop and the range is shifted to 75 frames. So effectively from 1-15 to 1-75.

The retime sop is set to interpolate between input frames, linear interpolation, scale velocities is on, blend mode = advected with interpolate velocity field turned on.

Again… when I isolate the density and the vel field it would appear to slow down just fine. When I try and add the heat and temperature field to slow down I get the harsh stepping.

Thanks!

Apple Decomposing Feb. 15, 2018, 2:11 p.m.

Hey! Here is the updated apple shot. I really tried to focus in on getting a higher level of detail/realism. Any Feedback and/or comments are welcome!

Apple Decomposing Jan. 30, 2018, 3:23 p.m.

Thanks man! I really appreciate it. And yeah, I think it could stand to have better textures! It was my first time into Mari, so I was happy at first, but now looking at it I should probably take another pass at them.