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Psynema

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About Psynema

  • Rank
    Peon

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  • Name
    Gary Hanna
  • Location
    Philadelphia
  1. Had a few questions…I keep exporting FBX files to Substance Painter but it can never read the vertex colors. Anyone have any idea what's going on or any thing people generally miss? I have the FBX settings on default unless I'm supposed to change something but experimenting with all sorts of changes yields no vertex colors. Also how do you get Substance Painter to recognize the different mesh names? I've tried group names matching with _high and _low suffixes to isolate baking to mesh parts as well as attribute primitive strings with the name of the mesh with the suffix…and Painter can't read the parts independently of one another and feels like I'm forced to explode the mesh to bake. I hope the only way isn't to have EVERY PART at the object level as that's not practical. The mesh in question I want on ONE texture sheet so no I do not want a separate material index for each single part in case anyone suggests that As for baking internally I've tried the gameshelf baker and pointed it to my high and low mesh … it exports 256 by 256 black tiles no matter what I do despite the resolution being set to typical 2048, 4096 etc. Thanks.
  2. How exactly do you do the workflow for Flowmaps. I know there's the comb and obstacle nodes in the gameshelf, but if you wanted to copy a fluid simulation, would it be as simple as doing:0. Timeshift/freezeframe your fluid mesh1. Attribute transfer the velocity onto your flat river plane from your sculpted fluid sim. 2. Then with a wrangle, normalize the velocity attribute, then add the X/z values to the UVs? ie @uv += @velocity;I know people blend the uvs back and forth - one with rest one with the distorted UVs but not sure how to do that - I mean I know how to add the layer node to create a uv2, uv3 etc, but as far as importing into unreal, the extra uv sets created in Houdini don't translate over on my meshes only showing one UV set. For Vorticity/foam - I'm assuming you just make a vertex colored mask then blend/lerp to your content?
  3. Anyone know how to embed a substance into an OTL? I know it can be done and be able to use the parameters of the Substance within an HDA in Unreal, but can't figure out WTF to do and no help in the documentation. 1. I import the substances into a shop net inside the HDA graph 2. Add materials via material nodes in Houdini 3. Add unreal_material with paths to the materials - trying both channels and actual hard paths - ie paths to the substance file itself AND Material'Game/HoudiniEngine/Temp/Material.Material' do not work for me. 4. Add the Substance files to the operator type graph... Nada, just two blank materials imported. Houdini 16.0.600, Unreal 4.15 and the latest Houdini 16.0.620 with Unreal 4.16 both same issues Anyone know how the embedding works? I don't want to set up materials from scratch as I do want my Houdini files to render outside of UE4 as well, so hence, why I want to embed them vs. re doing it in Unreal.