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    Interface MaterialAppearance

    Material appearance definition for Studio mode.

    All fields are optional. Only provided fields override defaults. In Studio mode the viewer uses MeshPhysicalMaterial; properties left unset default to their "off" values (transmission=0, clearcoat=0, etc.) which the shader skips at near-zero cost.

    This is a data-format interface (describes JSON input), not a Three.js material. Texture string fields are either a data URI or a URL resolved against the HTML page.

    interface MaterialAppearance {
        alphaCutoff?: number;
        alphaMode?: "OPAQUE" | "MASK" | "BLEND";
        anisotropy?: number;
        anisotropyMap?: string;
        anisotropyRotation?: number;
        aoMap?: string;
        attenuationColor?: RGBColor;
        attenuationDistance?: number;
        builtin?: string;
        clearcoat?: number;
        clearcoatMap?: string;
        clearcoatNormalMap?: string;
        clearcoatRoughness?: number;
        clearcoatRoughnessMap?: string;
        color?: string | RGBAColor;
        doubleSided?: boolean;
        emissive?: RGBColor;
        emissiveIntensity?: number;
        emissiveMap?: string;
        ior?: number;
        map?: string;
        metalness?: number;
        metalnessMap?: string;
        name?: string;
        normalMap?: string;
        roughness?: number;
        roughnessMap?: string;
        sheen?: number;
        sheenColor?: RGBColor;
        sheenColorMap?: string;
        sheenRoughness?: number;
        sheenRoughnessMap?: string;
        specularColor?: RGBColor;
        specularColorMap?: string;
        specularIntensity?: number;
        specularIntensityMap?: string;
        thickness?: number;
        thicknessMap?: string;
        transmission?: number;
        transmissionMap?: string;
        unlit?: boolean;
    }
    Index

    Properties

    alphaCutoff? alphaMode? anisotropy? anisotropyMap? anisotropyRotation? aoMap? attenuationColor? attenuationDistance? builtin? clearcoat? clearcoatMap? clearcoatNormalMap? clearcoatRoughness? clearcoatRoughnessMap? color? doubleSided? emissive? emissiveIntensity? emissiveMap? ior? map? metalness? metalnessMap? name? normalMap? roughness? roughnessMap? sheen? sheenColor? sheenColorMap? sheenRoughness? sheenRoughnessMap? specularColor? specularColorMap? specularIntensity? specularIntensityMap? thickness? thicknessMap? transmission? transmissionMap? unlit?

    Properties

    alphaCutoff?: number

    Alpha cutoff threshold for MASK mode (default: 0.5)

    alphaMode?: "OPAQUE" | "MASK" | "BLEND"

    Alpha blending mode

    anisotropy?: number

    Anisotropy strength, 0-1

    anisotropyMap?: string

    Anisotropy direction texture reference

    anisotropyRotation?: number

    Anisotropy rotation in radians

    aoMap?: string

    Ambient occlusion texture reference

    attenuationColor?: RGBColor

    Attenuation color, linear RGB

    attenuationDistance?: number

    Attenuation distance for volume absorption

    builtin?: string

    Reference to a built-in preset (e.g., "stainless-steel", "car-paint")

    clearcoat?: number

    Clearcoat intensity, 0-1

    clearcoatMap?: string

    Clearcoat intensity texture reference

    clearcoatNormalMap?: string

    Clearcoat normal map texture reference

    clearcoatRoughness?: number

    Clearcoat roughness

    clearcoatRoughnessMap?: string

    Clearcoat roughness texture reference

    color?: string | RGBAColor

    sRGB base color. Accepts RGBA tuple [r,g,b,a] (0-1) or CSS hex string "#rrggbb".

    doubleSided?: boolean

    Render both sides of faces (THREE.DoubleSide)

    emissive?: RGBColor

    Emissive color, linear RGB

    emissiveIntensity?: number

    Emissive intensity multiplier (default: 1.0)

    emissiveMap?: string

    Emissive map texture reference

    ior?: number

    Index of refraction (default: 1.5)

    map?: string

    Texture reference for base color

    metalness?: number

    Metalness factor, 0-1 (default: 0.0)

    metalnessMap?: string

    Metalness map texture reference

    name?: string

    Display name

    normalMap?: string

    Normal map texture reference

    roughness?: number

    Roughness factor, 0-1 (default: 0.5)

    roughnessMap?: string

    Roughness map texture reference

    sheen?: number

    Sheen intensity, 0-1 (required to enable sheen layer)

    sheenColor?: RGBColor

    Sheen tint color, linear RGB

    sheenColorMap?: string

    Sheen color texture reference

    sheenRoughness?: number

    Sheen roughness

    sheenRoughnessMap?: string

    Sheen roughness texture reference

    specularColor?: RGBColor

    Specular tint color, linear RGB

    specularColorMap?: string

    Specular color texture reference

    specularIntensity?: number

    Specular intensity, 0-1

    specularIntensityMap?: string

    Specular intensity texture reference

    thickness?: number

    Thickness for volume effects

    thicknessMap?: string

    Thickness map texture reference

    transmission?: number

    Transmission factor, 0-1

    transmissionMap?: string

    Transmission map texture reference

    unlit?: boolean

    Use MeshBasicMaterial (unlit, no shading)

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