7274798aa1
Fixes issue #8863 ol/source/Vector#getFeaturesAtCoordinate and implementations of ol/geom/Geometry#containsXY
106 lines
2.3 KiB
JavaScript
106 lines
2.3 KiB
JavaScript
/**
|
|
* @module ol/geom/Point
|
|
*/
|
|
import {createOrUpdateFromCoordinate, containsXY} from '../extent.js';
|
|
import GeometryType from './GeometryType.js';
|
|
import SimpleGeometry from './SimpleGeometry.js';
|
|
import {deflateCoordinate} from './flat/deflate.js';
|
|
import {squaredDistance as squaredDx} from '../math.js';
|
|
|
|
/**
|
|
* @classdesc
|
|
* Point geometry.
|
|
*
|
|
* @api
|
|
*/
|
|
class Point extends SimpleGeometry {
|
|
|
|
/**
|
|
* @param {import("../coordinate.js").Coordinate} coordinates Coordinates.
|
|
* @param {import("./GeometryLayout.js").default=} opt_layout Layout.
|
|
*/
|
|
constructor(coordinates, opt_layout) {
|
|
super();
|
|
this.setCoordinates(coordinates, opt_layout);
|
|
}
|
|
|
|
/**
|
|
* Make a complete copy of the geometry.
|
|
* @return {!Point} Clone.
|
|
* @override
|
|
* @api
|
|
*/
|
|
clone() {
|
|
const point = new Point(this.flatCoordinates.slice(), this.layout);
|
|
return point;
|
|
}
|
|
|
|
/**
|
|
* @inheritDoc
|
|
*/
|
|
closestPointXY(x, y, closestPoint, minSquaredDistance) {
|
|
const flatCoordinates = this.flatCoordinates;
|
|
const squaredDistance = squaredDx(x, y, flatCoordinates[0], flatCoordinates[1]);
|
|
if (squaredDistance < minSquaredDistance) {
|
|
const stride = this.stride;
|
|
for (let i = 0; i < stride; ++i) {
|
|
closestPoint[i] = flatCoordinates[i];
|
|
}
|
|
closestPoint.length = stride;
|
|
return squaredDistance;
|
|
} else {
|
|
return minSquaredDistance;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return the coordinate of the point.
|
|
* @return {import("../coordinate.js").Coordinate} Coordinates.
|
|
* @override
|
|
* @api
|
|
*/
|
|
getCoordinates() {
|
|
return !this.flatCoordinates ? [] : this.flatCoordinates.slice();
|
|
}
|
|
|
|
/**
|
|
* @inheritDoc
|
|
*/
|
|
computeExtent(extent) {
|
|
return createOrUpdateFromCoordinate(this.flatCoordinates, extent);
|
|
}
|
|
|
|
/**
|
|
* @inheritDoc
|
|
* @api
|
|
*/
|
|
getType() {
|
|
return GeometryType.POINT;
|
|
}
|
|
|
|
/**
|
|
* @inheritDoc
|
|
* @api
|
|
*/
|
|
intersectsExtent(extent) {
|
|
return containsXY(extent, this.flatCoordinates[0], this.flatCoordinates[1]);
|
|
}
|
|
|
|
/**
|
|
* @inheritDoc
|
|
* @api
|
|
*/
|
|
setCoordinates(coordinates, opt_layout) {
|
|
this.setLayout(opt_layout, coordinates, 0);
|
|
if (!this.flatCoordinates) {
|
|
this.flatCoordinates = [];
|
|
}
|
|
this.flatCoordinates.length = deflateCoordinate(
|
|
this.flatCoordinates, 0, coordinates, this.stride);
|
|
this.changed();
|
|
}
|
|
}
|
|
|
|
|
|
export default Point;
|