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A dockerized SideFX Houdini web app for exploring, rendering, and displaying nodes in a hip file.

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Houdini Web Rendering Interface

This project combines a dockerized implementation of Houdini with a user-friendly web interface. The Houdini web-app is designed to interact with a HIP file's node graph, execute renders, and preview scene geometry from your web browser.

AppPreview.mp4

Features

  • Dockerized Houdini: Simplified setup and deployment using Docker containers.
  • Network Access: Interact with uploaded HIP files from any device on your local network
  • Web Interface: Interact with Houdini’s node graph, execute renders, and preview scenes from the web.
  • File Sharing: Quickly generate shareable links for HIP files and rendered models.

Getting Started

Prerequisites

Ensure you have the following installed on your system first:

  • Docker, a platform for developing and shipping applications.

Quick Start Guide

  1. Generate SideFX API Credentials:

    • Generate a "Client ID" and "Client Secret" following these steps.
    • These variables will be used for login licensing, allowing you to use Houdini without needing to log in manually.
  2. Create an .env file:

    • In the project root directory, create a .env file with the following keys:

    SIDEFX_CLIENT="YOUR_CLIENT_ID_HERE"
    SIDEFX_SECRET="YOUR_SECRET_HERE"
    HFS_VER="20.0"
    • If you're targeting a specific Houdini version, specify that with the HFS_VER variable.
  3. (Optional) Add GPU Support:

    • To enable GPU support for the dockerized Houdini, you need to install the NVIDIA Container Toolkit.
    • Nvidia GPU Support (Only supported on Linux)
  4. Build and Run the Application:

    • Once you've download Docker and setup your account, run docker compose up --build to build the app's docker images.
    • If you encounter the following issue when building: Error getting credentials, you may need to run docker login.
  5. Access the Houdini Web Server:

    • Once the containers are running, you can access the Houdini Web Server from any device on your local network.
    • Open your web browser and navigate to http://localhost or use your local IP address.

Nvidia GPU Support

  • Ensure you have the latest NVIDIA driver installed from the NVIDIA website.
  • Install the NVIDIA Container Toolkit using the following instructions.
  • Verify the installation:
    docker run --rm --gpus all nvidia/cuda:11.0.3-base nvidia-smi
    You should see a printout of your GPU information.

Troubleshooting

  • Docker Issues: Ensure Docker is installed correctly and running.
  • Network Access: Verify that your device is connected to the same local network.
  • Container Logs: Check the container logs for any error messages by running: docker compose logs
  • OpenCL Issues: If you do not intend to use OpenCL in the container, remove lines 57-63 in compose.yaml.

Downloading Houdini Separately

As part of the building the Houdini docker image, the latest Python3.9 build of Houdini will automatically be installed. However, if you'd like to accelerate the build process. you can download Houdini beforehand and point the Docker file to your install (located within the project root.)

  1. Run the hou_install.py script:
    • From the project root run:
      • python3 ./scripts/hou_install.py 20.0
    • This will install and unpack Houdini to a folder titled hou_download.
    • The script automatically targets the Python3.9 build of the specified Houdini verison.
  2. (Optional) Update the HOU_INSTALL_LOCATION argument:
    • Update the HOU_INSTALL_LOCATION argument in compose.yaml to point to your Houdini download.
    • By default, it points to hou_download and shouldn't require changes.
  3. Start the Docker Build process:
    • When you start the Docker build process, the unpacked Houdini install will be copied over.

Contributing

Contributions are welcome! Please fork the repository and submit a pull request for any improvements or bug fixes.

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A dockerized SideFX Houdini web app for exploring, rendering, and displaying nodes in a hip file.

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