Selective texture cache refresh - Houdini 20.5 Solaris, Arnold Hydra

Дата публикации: 03-10-2026 16:29:34

Hi ! I'm using Houdini 20.5 with Solaris and ArnoldMy textures are basically exported from Substance Painter and overwritten at the same file paths.When I update a texture, Arnold continues to use the cached/old version, even after restarting the render. The only reliable workaround I currently have is to flush Solaris Texture, but this flushes the entire texture cache and is very slow on large scenes. Is there a supported way, via Python/API or HtoA, to invalidate/reload textures selectively for a specific USD prim, material, or texture file, instead of flushing the entire Solaris texture cache? Thanks!

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