import type { Vec2, Vec3 } from '../math';
import { type DisplayRange } from './sampling';
import type { VolumetricData } from './types';
export declare const volume_center: (volume: VolumetricData) => Vec3;
export declare const resolve_slice_cartesian_point: (point: Vec3 | undefined, volume?: VolumetricData) => Vec3;
export interface CartesianPlane {
    point: Vec3;
    normal: Vec3;
    up?: Vec3;
}
export interface PlaneSliceOptions {
    resolution?: number | Vec2;
    max_pixels?: number;
    fractional_bounds?: DisplayRange;
}
export interface SliceResult {
    data: Float64Array;
    mask: Uint8Array;
    width: number;
    height: number;
    min: number;
    max: number;
    point: Vec3;
    normal: Vec3;
    u_axis: Vec3;
    v_axis: Vec3;
    u_range: Vec2;
    v_range: Vec2;
    polygon: Vec2[];
}
export declare function sample_plane_slice(volume: VolumetricData, plane: CartesianPlane, options?: PlaneSliceOptions): SliceResult | null;
export declare function sample_hkl_slice(volume: VolumetricData, miller_indices: Vec3, distance: number, n_points?: number): SliceResult | null;