Asset hash mismatch - fail renders

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Asset hash mismatch - fail renders

Postby rkino » Thu Aug 08, 2019 6:15 pm

rkino Thu Aug 08, 2019 6:15 pm
I am using Octane 2018.3 on C4D and standalone. scene loads fine in standalone then gets uploaded to the cloud.

I constantly get the error above - ie

Asset hash mismatch. Asset: /mnt/orc/assets/1ab1e1db6e0919e82a333be572e245e4652475187739dea70eb5f3d8f6881862.abc hash:1ab1e1db6e0919e82a333be572e245e4652475187739dea70eb5f3d8f6881862 calculated hash: 13d51b07db1045ec31f8aade3de334154827f7147b153e3b1499505c964ef4cd

any idea what's causing this? Looking around I haven't found a simple explanation of what this is or how to avoid it.
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Re: Asset hash mismatch - fail renders

Postby bepeg4d » Fri Aug 09, 2019 5:48 am

bepeg4d Fri Aug 09, 2019 5:48 am
Hi,
before exporting, please go to Live View menu Materials/Octane Texture Manager, and check to have not any c4d shader in your materials, you should see only Imagetexture nodes listed in the panel.

Please note that most of the c4d native shaders are baked on the fly, but this automatic option slows down the process (especially in complex scenes like yours) because the textures are rendered and updated at every interaction, plus, not all the shader are completely supported. In particular, the **Layer** shader is not well support and you can have incorrect results, and instability.

When you have materials with c4d shaders, and you cannot replace them with Octane shaders, go to Live View, load the scene, then go to Octane Settings / Settings / C4D shaders, and change the resolution to the desired final texture resolution.

Then go to LV menu File / Export to... / Standalone scene (ocs) and save the scene, in this way a new folder named "assets" will be created with all the baked texture shaders inside.

Then replace all the c4d shaders one by one with an ImageTexture node, and the corresponding baked texture taken from the Assets folder.

In this way, the loading time and workflow will be faster stable, and more easily exported to Standalone and ORC.

ciao Beppe
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