[Home](./index.md) > [three-loader-3dtiles](./three-loader-3dtiles.md) > [LoaderOptions](./three-loader-3dtiles.loaderoptions.md) > [computeNormals](./three-loader-3dtiles.loaderoptions.computenormals.md) ## LoaderOptions.computeNormals property When viewing b3dm (mesh) tiles, compute the vertex normals - Default: `false`. Signature: ```typescript computeNormals?: boolean; ```