Method transformTo

src/coord/geo/Region.ts:252–285

* Transform the raw coords to target bounding. * @param x * @param y * @param width * @param height

(x: number, y: number, width: number, height: number)

     * @param height
     */
    transformTo(x: number, y: number, width: number, height: number): void {
        let rect = this.getBoundingRect();
        const aspect = rect.width / rect.height;
        if (!width) {
            width = aspect * height;
        }
        else if (!height) {
            height = width / aspect;
        }
        const target = new BoundingRect(x, y, width, height);
        const transform = rect.calculateTransform(target);
        const geometries = this.geometries;
        for (let i = 0; i < geometries.length; i++) {
            const geo = geometries[i];
            if (geo.type === 'polygon') {
                transformPoints(geo.exterior, transform);
                each(geo.interiors, interior => {
                    transformPoints(interior, transform);
                });
            }
            else {
                each(geo.points, points => {
                    transformPoints(points, transform);
                });
            }
        }
        rect = this._rect;
        rect.copy(target);
        // Update center
        this._center = [
            rect.x + rect.width / 2,
            rect.y + rect.height / 2
        ];
    }

    cloneShallow(name: string): GeoJSONRegion {
        name == null && (name = this.name);