bunker
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are you using the Sparse pyro solver?
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Why not use Bifrost, don't you like Maya? Seriously though, SideFX adds so many amazing features in every half release that I would excuse them for not spending much time on an MPM solver. From the little I know about MPM, it's very slow. Also, most FX tasks are not snow or gooey simulations that would require MPM.
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Rest isn't in the sparse pyro solver. You'll have to add that yourself. you can copy the nodes from the non-sparse pyro solver if you look inside: /obj/geo/dopnet1/pyrosolver1/smokesolver_build2 there is a compute_rest box, and you'll need the advect_rest node too. You need to create rest/rest2 fields too in the smoke object obviously hope that helps.
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pcfilter returns the average value of an attribute on the points found. If you need anything custom, like the max value of an attribute for example, you would use pciterate/pcimport/pcclose This example explains how the pciterate+pcimport are used to re-create pcfilter https://www.sidefx.com/docs/houdini/vex/functions/pcfilter.html also, pcclose is called automatically https://www.sidefx.com/docs/houdini/vex/functions/pcclose.html
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you don't need the pciterate
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The GasDisturb is an HDA so you can see what's going on inside, check the "vex" gasFieldVOP Threshold Range is just a remapping of density to 0-1 values VEX equivalent fit(f@density,thresholdmin,thresholdmax,0,1)
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No unfortunately, assuming that an upres would require more GPU RAM, it would need to run on the CPU. The OpenCL microsolvers won't match the CPU equivalent 100% Maybe possible using CPU OpenCL though, but that would be a lot effort to upres an extremely limited solver (the minimal solver)
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yes, simple pyro, save your vel field to disk and create a separate dopnet with a popsim and add an AdvectByVolume DOP node There is an example in the docs https://www.sidefx.com/docs/houdini/examples/nodes/dop/popadvectbyvolumes/AdvectByVolume.html
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Maybe you can use the existing OBJ format? On your node, right click/save/geometry and export as .obj the output is a simple text file, easy to process in Python.
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import subprocess command='gplay /tmp/tmp.*.bgeo.sc' subprocess.Popen(command,shell=True) This works for me. You'll need the full path on disk, not relative.
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$F4 is probably getting evaluated and will return a single frame number try replacing $F4 with *
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The particleFluidSurface is an OTL, you can have a look inside to see where the issue is.
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I would suggest some basic Nuke for FX slapcomps at least. Also some keying and roto knowledge can come handy for garbage mattes.
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you can create a shelf tool and set a keyboard shortcut auto = hou.updateMode.AutoUpdate manual = hou.updateMode.Manual if hou.updateModeSetting()==auto: hou.setUpdateMode(manual) else: hou.setUpdateMode(auto)
