import type { SampledFieldSlice3 } from './sample.js';
export interface ExtractedIsosurface3 {
    readonly approximate: true;
    readonly isoValue: number;
    readonly positions: Float32Array;
    /** Interpolated escape iteration, one value per emitted vertex. */
    readonly iterations: Float32Array;
    /** Source grid-cell index, one value per triangle. */
    readonly sourceCells: Uint32Array;
    readonly triangleCount: number;
}
/** Marching-tetrahedra extraction over a sampled slice grid. */
export declare function extractSampledIsosurface3(sample: SampledFieldSlice3, isoValue?: number): ExtractedIsosurface3;
//# sourceMappingURL=isosurface.d.ts.map