import type { MValue, VectorCoordinates, VectorGeometryType, VectorMultiPoint, VectorPoint } from 'gis-tools/index.js';
import type { Path } from './lineTools.js';
/**
 * Flatten all geometry types to points
 * @param geometry - vector geometry
 * @param type - geometry type
 * @returns vector points
 */
export declare function flattenGeometryToPoints<M extends MValue>(geometry: VectorCoordinates<M>, type: VectorGeometryType): VectorMultiPoint<M>;
/**
 * Get the center points of the geometry
 * @param geometry - vector geometry
 * @param type - geometry type
 * @returns vector points at the center of the geometry
 */
export declare function getCenterPoints<M extends MValue>(geometry: VectorCoordinates<M>, type: VectorGeometryType): VectorMultiPoint;
/**
 * Get the spaced points of the geometry
 * @param geometry - vector geometry
 * @param type - geometry type
 * @param spacing - distance between points
 * @param extent - extent is the tile "pixel" size
 * @returns vector points spaced along the line
 */
export declare function getSpacedPoints<M extends MValue>(geometry: VectorCoordinates, type: VectorGeometryType, spacing: number, extent: number): VectorMultiPoint;
/** Collection of Points that are spaced given guidlines. Used for glyph rendering */
export interface SpacedPoints {
    point: VectorPoint;
    distance: number;
    pathLeft: Path;
    pathRight: Path;
}
/**
 * Find center points of the geometry
 * @param geometry - vector geometry
 * @param type - geometry type
 * @param extent - extent is the tile "pixel" size
 * @returns vector points at the centers of the geometry(s)
 */
export declare function findCenterPoints<M extends MValue>(geometry: VectorCoordinates<M>, type: VectorGeometryType, extent: number): SpacedPoints[];
/**
 * Find points along the line at a given distance
 * @param geometry - vector geometry
 * @param type - geometry type
 * @param spacing - distance between points
 * @param extent - extent is the tile "pixel" size
 * @returns vector points spaced along the line
 */
export declare function findSpacedPoints(geometry: VectorCoordinates, type: VectorGeometryType, spacing: number, extent: number): SpacedPoints[];
/**
 * Duplicate a point
 * @param point - the point to duplicate
 * @returns the duplicated point
 */
export declare function duplicatePoint(point: VectorPoint): VectorPoint;
/**
 * Get the angle between 2 points
 * @param a - first point
 * @param b - second point
 * @returns the angle
 */
export declare function pointAngle(a: VectorPoint, b?: VectorPoint): number | undefined;