123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122 |
- import { Polygon, Feature, Point } from "@turf/helpers";
- import Edge from "./Edge";
- /**
- * Ring of edges which form a polygon.
- *
- * The ring may be either an outer shell or a hole.
- *
- * This class is inspired in GEOS's geos::operation::polygonize::EdgeRing
- */
- export default class EdgeRing {
- private edges;
- private polygon?;
- private envelope?;
- constructor();
- /**
- * Add an edge to the ring, inserting it in the last position.
- *
- * @memberof EdgeRing
- * @param {Edge} edge - Edge to be inserted
- */
- push(edge: Edge): void;
- /**
- * Get Edge.
- *
- * @memberof EdgeRing
- * @param {number} i - Index
- * @returns {Edge} - Edge in the i position
- */
- get(i: number): Edge;
- /**
- * Getter of length property.
- *
- * @memberof EdgeRing
- * @returns {number} - Length of the edge ring.
- */
- get length(): number;
- /**
- * Similar to Array.prototype.forEach for the list of Edges in the EdgeRing.
- *
- * @memberof EdgeRing
- * @param {Function} f - The same function to be passed to Array.prototype.forEach
- */
- forEach(f: (edge: Edge, index: number, array: Edge[]) => void): void;
- /**
- * Similar to Array.prototype.map for the list of Edges in the EdgeRing.
- *
- * @memberof EdgeRing
- * @param {Function} f - The same function to be passed to Array.prototype.map
- * @returns {Array} - The mapped values in the function
- */
- map<T>(f: (edge: Edge, index: number, array: Edge[]) => T): T[];
- /**
- * Similar to Array.prototype.some for the list of Edges in the EdgeRing.
- *
- * @memberof EdgeRing
- * @param {Function} f - The same function to be passed to Array.prototype.some
- * @returns {boolean} - True if an Edge check the condition
- */
- some(f: (edge: Edge, index: number, array: Edge[]) => boolean): boolean;
- /**
- * Check if the ring is valid in geomtry terms.
- *
- * A ring must have either 0 or 4 or more points. The first and the last must be
- * equal (in 2D)
- * geos::geom::LinearRing::validateConstruction
- *
- * @memberof EdgeRing
- * @returns {boolean} - Validity of the EdgeRing
- */
- isValid(): boolean;
- /**
- * Tests whether this ring is a hole.
- *
- * A ring is a hole if it is oriented counter-clockwise.
- * Similar implementation of geos::algorithm::CGAlgorithms::isCCW
- *
- * @memberof EdgeRing
- * @returns {boolean} - true: if it is a hole
- */
- isHole(): boolean;
- /**
- * Creates a MultiPoint representing the EdgeRing (discarts edges directions).
- *
- * @memberof EdgeRing
- * @returns {Feature<MultiPoint>} - Multipoint representation of the EdgeRing
- */
- toMultiPoint(): Feature<import("@turf/helpers").MultiPoint, import("@turf/helpers").Properties>;
- /**
- * Creates a Polygon representing the EdgeRing.
- *
- * @memberof EdgeRing
- * @returns {Feature<Polygon>} - Polygon representation of the Edge Ring
- */
- toPolygon(): Feature<Polygon, {
- [name: string]: any;
- }>;
- /**
- * Calculates the envelope of the EdgeRing.
- *
- * @memberof EdgeRing
- * @returns {Feature<Polygon>} - envelope
- */
- getEnvelope(): Feature<Polygon, {
- [name: string]: any;
- }>;
- /**
- * `geos::operation::polygonize::EdgeRing::findEdgeRingContaining`
- *
- * @param {EdgeRing} testEdgeRing - EdgeRing to look in the list
- * @param {EdgeRing[]} shellList - List of EdgeRing in which to search
- *
- * @returns {EdgeRing} - EdgeRing which contains the testEdgeRing
- */
- static findEdgeRingContaining(testEdgeRing: EdgeRing, shellList: EdgeRing[]): EdgeRing | undefined;
- /**
- * Checks if the point is inside the edgeRing
- *
- * @param {Feature<Point>} pt - Point to check if it is inside the edgeRing
- * @returns {boolean} - True if it is inside, False otherwise
- */
- inside(pt: Feature<Point>): boolean;
- }
|