DCC production guide
Skin Weight Normalization Checklist
Direct answer: Skin weights are normalized when each skinned vertex resolves to a predictable total weight, usually 1.0 in common DCC and engine pipelines, while respecting the project maximum influence count. Normalization is not only a math cleanup; it protects deformation, export, and runtime skinning cost.
Weight NormalizationSkinningRiggingVertex WeightNormalize Weights权重归一化ウェイト正規化
What to inspect
Check total weight per vertex, unweighted vertices, vertices over the max influence count, locked or excluded joints, mirrored weight seams, and tiny stray weights. A vertex with 0.98 total may look fine in one viewport but shift after export if the engine renormalizes differently.
Influence limits
Many realtime projects define a maximum number of joint influences per vertex, such as four or eight depending on platform and shader. Treat these as project settings, not universal rules. Prune tiny influences before normalization so important joints keep the deformation they need.
Normalization workflow
Freeze the rig state used for skinning, paint or copy weights, prune insignificant weights, normalize unlocked influences, then test deformation poses. Avoid normalizing locked joints unintentionally; it can steal weight from carefully painted areas such as shoulders, fingers, lips, or cloth attachments.
Export validation
Export and reimport the skeletal mesh, then compare bind pose, animation extremes, vertex count, and influence count. Engines may clamp, prune, or renormalize weights during import. The accepted result is the imported deformation, not only the DCC viewport.
Worked example
A shoulder collapses only after engine import. The DCC file has several tiny clavicle and spine influences plus a vertex over the project influence limit. Prune tiny weights, normalize the remaining shoulder and upper-arm influences, then test raised-arm, forward-reach, and idle poses before re-exporting.
Multilingual production terms
Use this skin weight normalization checklist terminology table when writing review comments, export notes, or handoff instructions across Chinese, English, and Japanese teams.
| 中文 | English | 日本語 | Workflow usage note |
|---|---|---|---|
| 权重归一化 | Weight Normalization | ウェイト正規化 | Use this term when reporting skinning weight totals, influence limits, and deformation QA. |
Term notes
Related multilingual terms on this page are technical anchors, not one-to-one translations: Weight Normalization / Skinning / Rigging / Vertex Weight / Normalize Weights / 权重归一化 / ウェイト正規化. Keep local-language notes beside the English production term when writing DCC tasks.
Related pages and next step
Open SEELE AI workspaceFAQ
What does weight normalization mean?
It means skin weights on a vertex are adjusted to the expected total, commonly 1.0, while preserving intended deformation.
Can normalization change deformation?
Yes. If influences are locked, pruned, or capped differently, normalization can shift deformation.
How many influences are allowed?
Use the project or engine limit. Four or eight are common examples, but they are not universal.
What evidence should rigging QA keep?
Keep weight warnings, max influence report, deformation pose screenshots, and reimport comparison.