51 lines
2.4 KiB
Markdown
51 lines
2.4 KiB
Markdown
# Frequently Asked Questions (FAQ)
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## Fix "RuntimeError: Error loading DNA: DNA signature mismatched, expected DNA, got ver?"
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DNA files are stored as [LFS](https://git-lfs.github.com/) files (Here is [another explanaintion](https://www.atlassian.com/git/tutorials/git-lfs) what LFS is).
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This problem occurs when repo is downloaded as zip, and github then does not download LFS files as whole file, but as some metadata file.
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Open that Ada.dna file in some editor file, from location were MetaHuman DNA Calibration is downloaded and then in
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`data/dna/Ada.dna` (eg `c:/MetaHuman-DNA-Calibration/data/dna/Ada.dna` you will got this:
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```
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version https://git-lfs.github.com/spec/v1
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oid sha256:e764cfab938283231bcb3e5af1c7bcbec5154bab4804aafa1b5b7dc6e400ca5e
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size 73730354
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```
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Which is not valid DNA file.
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There is two ways to fix this issue:
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- `git clone git clone https://github.com/EpicGames/MetaHuman-DNA-Calibration.git`
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- manually download [Ada.dna](../data/dna/Ada.dna) and/or [Taro.dna](../data/dna/Taro.dna), and put them in data directory
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where you downloaded MetaHuman DNA Calibration. eg. `c:/MetaHuman-DNA-Calibration/data/dna`
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## How do I distribute a Maya scene?
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Your scene should work out of the box if you include the following in the distribution:
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- Scene file (`.mb` file)
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- DNA (`.dna` file)
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- Workspace (`workspace.mel` file)
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All of these files need to be distributed together. If those files are not bundled and you experience some issues with you rig in Maya,
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try the following steps:
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### How do I share the generated files?
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If you want to distribute a generated Maya scene to other users, you must distribute the `.dna` file and `workspace.mel` together with the scene.
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### How do I open a generated scene?
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Before you load a generated scene, follow these steps:
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- From the main menu, go to File > Set Project.
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- Select `workspace.mel`
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- Set the containing folder (with generated maya scene, `.dna` file and `workspace.mel`).
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### How do I change the DNA path in the Maya scene?
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If you want to change the DNA path in the scene:
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- In `outliner`, deselect **DAG Objects Only**:
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- 
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- Still in the Outliner, search for `rl4`. You will see a file whose name starts with `rl4Embedded_`. Click this file to select it.
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- 
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- In `Attribute editor` you will be able to change the path with `Dna File Path`:
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- 
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