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Questions tagged [houdini]

Houdini is an advanced procedural modeling, animation, effects, simulation, rendering, and compositing package.

Houdini is a procedural modeling, animation, effects, simulation, rendering, and compositing package.

Houdini is based on procedural workflows. Working in Houdini involves creating networks of nodes connected together that describe the steps to accomplish a task. For example, a node that creates a box might be wired into a node that extrudes sides of the box, then a node that subdivides the polygons, then a node that edits the point positions.

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Documentation

62 questions
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How to Convert .USDz formats to .OBJ or .ABC files?

I have been trying to build a solution to converting from .USDZ to other [3D formats]. Using online options you may convert [3D formats] to .USDz…
Declan Clarke
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Android emulator to work with Delphi 10.4.2

I am looking for an android emulator (nox, BlueStacks, etc.) to work while I'm writting android apps to speed up the testing. I found lots of tutorials showing how to connect the emulator but my problem is that none of my apps created with Delphi…
Adrian De Armas
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Trying to view source code for a Houdini file

I want to better understand a remarkable paper: https://cseweb.ucsd.edu/~alchern/projects/MinimalCurrent/ The authors provide the source code as a proprietary binary code that can only be opened in Houdini. A .hipnc file. The binary data can be…
Makogan
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Models from my Alembic files (.abc) have flattened node hierarchies and are missing faces in iOS

I'm trying to export a simple 3D scene from Houdini and use it in an iOS app (with SceneKit). But I'm encountering many troubles after I add the .abc file to my XCode project. My two main problems are: Firstly, Scene Graph doesn't seem to detect…
zakdances
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How to get node parameter in Houdini with Python

I am very much new to Houdini and this might be something very obvious to ask but I have hit a brick wall. I would like to store a parameter, specifically the File Name of an alembic object so that I can validate the filename to see if it follows a…
burned_fenrir
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Issues calling values above each other in a matrix, python

This is my first post so let me know if I need to change anything! I've created a grid based on the following input: 1;2;12;12;12 11;12;2;12;12 1;2;12;2;12 11;12;2;1;2 To create this grid I used this piece of code: node = hou.pwd() geo =…
Thomas van Fucht
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Houdini - Issue with skeletal Meshs and UV Maps

I'm having issues with skeletal meshes and UV Maps. Here is my model: Model screen capture The idea is to use the spheres as the pivot points and I don't want any deformation. Network screen capture This is my network, as you can see I have 3 bones…
Nicolas Roche
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Custom houdini module path

I need to store Houdini *.hda files on a network share. This folder needs to be sourced by all users. Usually, for those kind of requests, I use an environment variable in ~/houdini17.0/houdini.env like for…
Kevin Lemaire
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Is it possible to develop across multiple software packages (Maya, Houdin, Nuke, etc) from a single master interpreter?

I'm developing universal tools that work across various CG software packages such as Maya, Houdini, Nuke, etc., and I'm wondering if there's a workflow for merging each software's custom interpreter into a single master interpreter inside a virtual…
Mike Bourbeau
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How QWidget() and QScrollArea() can fit the main window?

I am writing a houdini python script to get and sort informations. Some QGridLayout(), containing the infos, are added to a layout in the scrollAreaWidget. My problem is that this scrollAreaWidget ( in red ) doesn't fit the main window at the start…
Vincent A
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ImportError: cannot import name 'cygrpc' from 'grpc._cython'

I'm attempting to use the Dapr python API in an Ubuntu 20.04 container. I'm building and running the container image on a Ubuntu 20.04 VM in Azure. Attempting to import Dapr results in this error: ImportError: cannot import name 'cygrpc' from…
Geordie
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Finding the source of LNK1104's filename

I'm working in a Visual Studio Project that was generated using CMake, and for some reason, I get an LNK1104 error on build saying "cannot open file 'hboost_python27-vc142-mt-x64-1_72.lib'" and I know for a fact that that file does not exist…
Matthew Walker
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Adding a houdini paintworklet in a nuxt3/vue app

I am trying to add a paintworklet to my application, but I am having a really hard time. The worklet is a npm dependency, but worklets can't be inlined, they need to be registered like so: CSS.paintWorklet.addModule('url/to/module.js'); I am having…
Nachtfunke
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How to get Points in Python from Box -> Grainsource Node

I have a box connected to a grainsource node. The result is that the box is split up in many points. Now I want to manipulate them but I'm stuck at finding a way to get these points in some sort of Array or something else, so that I can work with…
blackForestIsNULL
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How to remove points based on their attributes in Houdini?

I created a curve with several points. Now I want to delete some points based on one of their attribute (will_be_removed). As is shown in the picture above, those points with i@will_be_removed set to 1 will be removed. I tried using the VEX code…
John John
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