import type { Matrix3x3, Vec3 } from '../math';
import type { ParsedStructure } from '../structure/parse';
export interface DataRange {
    min: number;
    max: number;
    abs_max: number;
    mean: number;
}
export interface VolumetricData {
    grid: number[][][];
    grid_dims: Vec3;
    lattice: Matrix3x3;
    origin: Vec3;
    data_range: DataRange;
    data_order?: `x_fastest` | `z_fastest`;
    periodic: boolean;
    label?: string;
}
export interface VolumetricFileData {
    structure: ParsedStructure;
    volumes: VolumetricData[];
}
export interface IsosurfaceLayer {
    isovalue: number;
    color: string;
    opacity: number;
    visible: boolean;
    show_negative: boolean;
    negative_color: string;
}
export interface IsosurfaceSettings {
    isovalue: number;
    opacity: number;
    positive_color: string;
    negative_color: string;
    show_negative: boolean;
    wireframe: boolean;
    halo: number;
    layers?: IsosurfaceLayer[];
}
export declare const LAYER_COLORS: readonly ["#3b82f6", "#ef4444", "#22c55e", "#a855f7", "#f97316", "#06b6d4", "#eab308", "#ec4899"];
export declare function grid_data_range(grid: number[][][]): DataRange;
export declare function pad_periodic_grid(grid: number[][][], dims: Vec3, pad_fraction: number): {
    grid: number[][][];
    dims: Vec3;
    offset: Vec3;
};
export declare function downsample_grid(grid: number[][][], dims: Vec3, max_points?: number): {
    grid: number[][][];
    dims: Vec3;
    factor: number;
};
export declare const DEFAULT_ISOSURFACE_SETTINGS: IsosurfaceSettings;
export declare function auto_isosurface_settings(data_range: DataRange): IsosurfaceSettings;
export declare function generate_layers(data_range: DataRange, n_layers: number): IsosurfaceLayer[];
export declare function tile_volumetric_data(volume: VolumetricData, scaling: Vec3): VolumetricData;