@loaders.gl/gltf/dist/lib/types/gltf-ext-mesh-features-schema.d.ts

Framework-independent loader for the glTF format

import { GLTFTextureInfoMetadata } from "./gltf-json-schema.js";
/**
 * EXT_mesh_features extension types
 * This is a primitive-level extension.
 * An object describing feature IDs for a mesh primitive.
 * @see https://github.com/CesiumGS/glTF/tree/3d-tiles-next/extensions/2.0/Vendor/EXT_mesh_features
 * or https://github.com/CesiumGS/glTF/blob/c38f7f37e894004353c15cd0481bc5b7381ce841/extensions/2.0/Vendor/EXT_mesh_features/schema/mesh.primitive.EXT_mesh_features.schema.json
 */
export type GLTF_EXT_mesh_features = {
    /** An array of feature ID sets. */
    featureIds: GLTF_EXT_mesh_features_featureId[];
    extensions?: Record<string, unknown>;
    extras?: unknown;
};
/**
 * Feature IDs stored in an attribute or texture.
 * @see https://github.com/CesiumGS/glTF/blob/c38f7f37e894004353c15cd0481bc5b7381ce841/extensions/2.0/Vendor/EXT_mesh_features/schema/featureId.schema.json
 */
export type GLTF_EXT_mesh_features_featureId = {
    /** The number of unique features in the attribute or texture. */
    featureCount: number;
    /** A value that indicates that no feature is associated with this vertex or texel. */
    nullFeatureId?: number;
    /** A label assigned to this feature ID set. Labels must be alphanumeric identifiers matching the regular expression `^[a-zA-Z_][a-zA-Z0-9_]*$`. */
    label?: string;
    /**
     * An attribute containing feature IDs.
     * When `attribute` and `texture` are omitted the feature IDs are assigned to vertices by their index.
     * @see https://github.com/CesiumGS/glTF/blob/3d-tiles-next/extensions/2.0/Vendor/EXT_mesh_features/schema/featureIdAttribute.schema.json
     * An integer value used to construct a string in the format `_FEATURE_ID_<set index>` which is a reference to a key in `mesh.primitives.attributes`
     * (e.g. a value of `0` corresponds to `_FEATURE_ID_0`).
     */
    attribute?: number;
    /** A texture containing feature IDs.
     * @see https://github.com/CesiumGS/glTF/blob/c38f7f37e894004353c15cd0481bc5b7381ce841/extensions/2.0/Vendor/EXT_mesh_features/schema/featureIdTexture.schema.json
     */
    texture?: GLTFTextureInfoMetadata;
    /** The index of the property table containing per-feature property values. Only applicable when using the `EXT_structural_metadata` extension. */
    propertyTable?: number;
    extensions?: Record<string, unknown>;
    extras?: unknown;
    /** This is not part of the spec. GLTFLoader loads feature tables data into this property */
    data?: unknown;
};
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