import { BufferGeometry, Mesh, type Material } from 'three';
import { type ExtractedIsosurface3, type FieldEvaluation4, type HyperplaneSlice4, type ImplicitField4, type SampledFieldSlice3, type SampleFieldSlice3Options } from '@holotope/core';
export interface SampledSlicedField3DOptions extends SampleFieldSlice3Options {
    isoValue?: number;
    material?: Material;
    /** Optional packed RGB color for each interpolated escape-iteration value. */
    colorForIteration?: (iteration: number) => number;
}
/**
 * CPU render product for an implicit field restricted to a 3-flat in R4.
 * Sampling remains inspectable and deterministic; only the extracted mesh
 * is approximate, as declared by `surface.approximate`.
 */
export declare class SampledSlicedField3D<Record extends FieldEvaluation4 = FieldEvaluation4> {
    readonly field: ImplicitField4<Record>;
    readonly slice: HyperplaneSlice4;
    readonly geometry: BufferGeometry<import("three").NormalBufferAttributes, import("three").BufferGeometryEventMap>;
    readonly object: Mesh;
    readonly approximate = true;
    sample: SampledFieldSlice3<Record>;
    surface: ExtractedIsosurface3;
    private options;
    /**
     * Builds a sampled section of an implicit field. The field is evaluated on
     * a grid in the slice, so cost is the resolution cubed and a raised
     * resolution is paid on every rebuild rather than per frame.
     *
     * @param field - Field to evaluate. Its full record is retained per sample,
     * so a renderer can colour or inspect a point without rerunning the orbit.
     * @param slice - The hyperplane to sample within. Retained, so moving its
     * offset moves the sampled section.
     * @param options - Grid extent and resolution, the isosurface threshold,
     * and an optional material.
     */
    constructor(field: ImplicitField4<Record>, slice: HyperplaneSlice4, options: SampledSlicedField3DOptions);
    /** Re-sample after changing the slice, or replace sampling options. */
    update(options?: Partial<SampledSlicedField3DOptions>): void;
    get triangleCount(): number;
    sourceCellOfFace(faceIndex: number): number;
    dispose(): void;
}
//# sourceMappingURL=sampled-sliced-field.d.ts.map