Send to blender houdini and python tutorial

Опубликовано: 22 Август 2024
на канале: CodeGen
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certainly! this tutorial will guide you through using blender and houdini together with python scripting. we'll focus on sending data from blender to houdini using python scripts. this integration can be quite powerful, especially for artists and technical directors looking to leverage the strengths of both software.

prerequisites

1. **blender**: make sure you have blender installed (version 2.8 or later).
2. **houdini**: ensure you have houdini installed (preferably the latest version).
3. **python**: both blender and houdini use python, so some familiarity with python scripting will be helpful.

overview

the process involves:
exporting geometry data from blender.
importing the data into houdini using python.

step 1: exporting geometry from blender

first, let’s create a simple cube in blender and export its geometry to a file format that houdini can read, such as `.obj`.

1. open blender and create a new project.
2. add a cube to the scene (`shift + a` mesh cube).
3. select the cube in the viewport.

#### python script to export

you can use the following python script in blender's scripting workspace to export the selected object.



replace `"/path/to/your/cube.obj"` with your desired file path.

to run the script:
open a new text editor window in blender.
paste the script and press `run script`.

step 2: importing geometry into houdini

now, let’s import the exported `.obj` file into houdini.

1. open houdini.
2. create a new geometry node by pressing `tab` and selecting `geo`.
3. dive inside the geometry node by double-clicking it.

#### python script to import

you can use the following python code in houdini’s python shell or as a part of a tool to import the geometry.



again, replace `"/path/to/your/cube.obj"` with the path where you saved the obj file.

step 3: connecting blender and houdini

to automate the process, you can use a python script that runs from blender and sends the exported file directly to houdini. ...

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