import type { Matrix3x3, Vec2, Vec3 } from '../math';
import type { ScalarGrid3D } from './grid';
import type { VolumeGrid, VolumetricData } from './types';
export declare function trilinear_interpolate(grid: ScalarGrid3D, fx: number, fy: number, fz: number, periodic: boolean): number;
type OutOfBoundsPolicy = `clamp` | `fallback`;
interface VolumeSamplerOptions {
    out_of_bounds?: OutOfBoundsPolicy;
}
interface BulkVolumeSamplerOptions extends VolumeSamplerOptions {
    position_offset?: Vec3;
    out?: Float32Array;
}
export declare function create_volume_sampler(volume: VolumeGrid, { out_of_bounds }?: VolumeSamplerOptions): (position: Vec3) => number;
export declare function sample_volume_at_positions(volume: VolumeGrid, positions: Float32Array | Float64Array, { out_of_bounds, position_offset, out }?: BulkVolumeSamplerOptions): Float32Array;
interface GridCompatibility {
    ok: boolean;
    reason?: string;
}
export declare function compare_volume_grids(vol_a: VolumetricData, vol_b: VolumetricData, { tolerance }?: {
    tolerance?: number;
}): GridCompatibility;
export type DisplayRange = [Vec2, Vec2, Vec2];
export declare function sanitize_display_range(range: DisplayRange, periodic: boolean): DisplayRange;
interface VolumeDisplayRangeOptions {
    display_range?: DisplayRange;
    tiling?: Vec3;
    halo?: number;
}
export declare function resolve_volume_display_range(volume: VolumetricData, { display_range, tiling, halo }?: VolumeDisplayRangeOptions): DisplayRange | null;
export declare const range_sample_counts: (volume: VolumeGrid, range: DisplayRange) => Vec3;
export declare function extract_volume_range(volume: VolumeGrid & Partial<Pick<VolumetricData, `label` | `source` | `source_filename`>>, range: DisplayRange, max_points?: number): VolumetricData;
export declare function prepare_geometry_grid(volume: VolumeGrid, range: DisplayRange | null): {
    grid: ScalarGrid3D<Float64Array>;
    lattice: Matrix3x3;
    origin: Vec3;
};
export {};