

kev2
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Kevin
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Seattle
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kev2 started following LIDAR to Heightfields, H17.5 Launch Event March 7, Allegorithmic is joining the Adobe family and and 4 others
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Back to the original Q then, do SideFx people sleep?
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There are many, many, many unhappy posts about this over at Alleg's forums.
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The blockiness / banding in the smoke is what I'm trying to sort out. The color banding is from the image color. I'm pretty sure its the SDF of the collision geo but neither the RBD Solver or Bullet fix it, with surface or volume collisions. I'll try dropping the Static Object DOP and just bringing in a collision SDF tmr. Thanks for taking a look.
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Trying out the new fluid sourcing, I added a color source as a collision static object following the Entagma video. However, I get a crazy amount of banding once the smoke hits the collision surface (or volume), see the photo. HIP attached. Can anyone explain what's creating the banding? Thanks! H17_color_pyro_setup.hiplc
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That's a helpful list, thanks.
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Just curious, do you know what LOP and TOP stand for? Pixar's development of Houdini bridge lags behind those for the other DCCs, Maya, etc. I wonder if these are all tied to interactive rendering? GPU acceleration, Nvidea denoiser, they aren't sitting still in rendering performance.
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Same here. Out of curiosity, what DCC modeling app is your go to for modeling?
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as long as it doesn’t become the spagetti tangle that is MeshFusion in Modo...
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Nuke 11.2 has a new node building feature that allows you to drop and drag parameters to an empty node to construct a Frankennode that's pretty slick. https://www.foundry.com/products/nuke/new-releases
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In yours, the normals are being calculated by subtracting the center of the object from the point position (@N=@P - (0,0,0)). Instead, you want to attach a Polyframe node, set the Style to First Edge, uncheck Normal Name and Tangent Name, check Bitangent Name and set to N. This will calculate the tangent as you expect. That will cause unexpected results with your end points so clean those up with a wrangle with the end point numbers in the group field: @N=normalize(@P-(0,0,0)); Since they're just vectors, you can also directly manipulate Normals in fun ways. Attached script has a simple example of the ever helpful lerp function and another one using the point function. It's a bit more involved as you'd need to loop that over an array of points to do multiple ponts. Hope it helps, Kevin Normals.hiplc
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Yeah, it doesn't work out. The Apple tax is strong in this one.
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At $700, I think I'll add one to my aged trash can Mac Pro and make it a home machine when the mythical upgradeable Mac Pro arrives.
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https://www.theverge.com/circuitbreaker/2018/7/12/17563646/apple-blackmagic-external-gpu-price-release-date $699. No comment on the aesthetic
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VolumeFromAttrib works pretty well. Thanks Illusionist. I also tried VDB route and tiaingulate2d (which I had forgotten about). VDB required a decent amount of fiddling but did a great job and roughly the same memory / time to process as VFA. Trianglate2D became unhappy after a couple millionish points so I didn't get anywhere with it.
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The help docs for the Terrains say that "Lidar Import can load LIDAR formats (for example e57) as height fields" but there's no option to convert to a HF that I can find? Am I missing something? http://www.sidefx.com/docs/houdini/model/heightfields.html Thanks, Kevin