zoomBy static method

MapCameraUpdate zoomBy(
  1. double factor,
  2. Point2D origin
)

Creates an update to zoom map camera by a given factor preserving a given focus point.

Values greater than 1 zoom in map camera, by moving it closer to the ground; less than 1 - zoom out, which moves map camera further.

If factor is zero, negative or not finite, no update will be applied to the map camera.

If the focusPoint is not inside the viewport bounds, then the current principal point will be used.

  • factor Zooming factor.

  • origin Pixel location on the screen to use as zoom origin.

Returns MapCameraUpdate. MapCameraUpdate instance.

Implementation

static MapCameraUpdate zoomBy(double factor, Point2D origin) => $prototype.zoomBy(factor, origin);